CN110410387A - Gas pulses device - Google Patents
Gas pulses device Download PDFInfo
- Publication number
- CN110410387A CN110410387A CN201910350944.4A CN201910350944A CN110410387A CN 110410387 A CN110410387 A CN 110410387A CN 201910350944 A CN201910350944 A CN 201910350944A CN 110410387 A CN110410387 A CN 110410387A
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- Prior art keywords
- rotor
- gas
- solid lubrication
- gas pulses
- shell
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- 239000007787 solid Substances 0.000 claims abstract description 50
- 238000005461 lubrication Methods 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims description 25
- 230000008878 coupling Effects 0.000 claims description 22
- 238000010168 coupling process Methods 0.000 claims description 22
- 238000005859 coupling reaction Methods 0.000 claims description 22
- 230000000694 effects Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 4
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G15/00—Devices or methods for influencing weather conditions
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H13/00—Dispersing or preventing fog in general, e.g. on roads, on airfields
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/12—Fluid oscillators or pulse generators
Abstract
The present invention provides a kind of gas pulses device, including motor and control system, support frame, shell, air inlet end cap, air inlet, outlet end cap and gas outlet, which is characterized in that further include: elastic connecting system；And rotor pair, it includes the rotor for being provided with gas vent and the solid lubrication rotor set for being equally provided with gas vent, on-off action is only opened with gas, the solid lubrication rotor set, which is fixed, to be statically mounted in the shell, the rotor is driven to rotate by the motor by elastic connecting system connection in solid lubrication rotor set, high pressure gas pulse frequency is controlled by controlling the revolving speed of the rotor, by setting the pressure and flow of inflow gas, to control the intensity of gas pulses.The present invention can successfully evade the scuffing failure problem of high speed heavy caliber bimetal solid lubrication bearing and effectively mitigate wear failure problem, it can obtain and effectively reduce the calorific value of bimetallic oilless bearing, high-pressure gas jet can be made to generate strong discontinuity pulse to obtain the adjustable strong sound wave of frequency, can be used for but be not limited to strong sound wave to increase the fields such as rain, fog dispersal, dedusting.
Description
Technical field
The present invention relates to a kind of gas pulses devices, more particularly to applied to the gas pulses device in strong sound wave field.
Background technique
In the prior art, gas pulses device (gas pulses generator) has a wide range of applications, and people have also carried out very much
Research.It is switched by solenoid valve High-speed Control high-pressure air source come the method that obtains gas pulses for example, proposing, it was also proposed that machine
The scheme etc. of tool rotation impulse gas generator.
For by solenoid valve obtain gas pulses method, it is considered that its exist seal it is unreliable have leakage phenomenon,
The limited narrow application range of frequency of magnetic valve high frequency switching and the disadvantages of the service life is short, functional reliability is poor.
For machinery rotating type pulse gas generator, in general, the structure of the prior art is more complicated etc..
Bibliography: patent document CN107402194A, CN102966643A
In the prior art, the present inventors have noted that, there are solids to inlay lubrication bearing, but all solids inlay lubrication
Bearing does not all have high pressure gas pulse switching function；There are gas pulses derailing switches, but pulse switch device cannot all have simultaneously
There is the bearing function that seal performance is excellent.Present inventors studied bimetal solids to lubricate bearing answering in gas pulses device
With.
For gas pulses generator when emitting high-voltage pulse air-flow, pulse generator rotor is in asymmetric stress,
The high pressure gas of tens times of standard atmospheric pressures makes bearing bear very big radial forces, also results in sliding bearing and excessively grinds
Damage.When bearing sliding speed level is higher, when radial load is also larger, the PV value of control bearing calorific value is also at compared with Gao Shui
Flat, bearing is very easy to generate overheat adhesion problems.I.e. bimetal solid lubricates application of the bearing in gas pulses device simultaneously
Face wear-out failure and scuffing failure problem.
Moreover, in strong sound wave applied technical field, especially Qiang Shengzeng rain technology, need a kind of structure is simple, performance can
By safety, the gas pulses generator of powerful continuous gas pulse can be generated rapidly.
Summary of the invention
The present invention proposes in view of the above problems, its purpose is to provide a kind of gas pulses device, by ingehious design,
Its scuffing failure problem that can successfully evade high speed heavy caliber bimetal solid lubrication bearing, and effectively mitigate wear-out failure and ask
Topic.
Another object of the present invention is to provide a kind of gas pulses device, bimetallic oilless bearing can be effectively reduced
Calorific value.
The object of the invention is also to provide a kind of gas pulses devices, are capable of providing powerful gas pulses intensity and Qianghian
The strong sound wave of disconnected pulse.
To achieve the goals above, a kind of gas pulses device according to the present invention, including motor and control system, support
Frame, shell, air inlet end cap, air inlet, outlet end cap and gas outlet, which is characterized in that further include: elastic connecting system；And
Rotor pair comprising be provided with the rotor of gas vent and be equally provided with the solid lubrication rotor set of gas vent, there is gas only to open out
Pass effect, the solid lubrication rotor set, which is fixed, to be statically mounted in the shell, and the rotor is in the solid lubrication
Is driven to rotate by the motor by elastic connecting system connection in rotor set, by control the revolving speed of the rotor come
High pressure gas pulse frequency is controlled, by setting the pressure and flow of inflow gas, to control the intensity of gas pulses.
Gas pulses device according to the present invention, it is preferable that the rotor uses multiaction operating mode, i.e., the described rotor one
The multiple gas vents of Zhou Kaiyou, so that generating multiple gas pulses during the rotor rotates a circle.
Gas pulses device according to the present invention, it is preferable that the solid lubrication rotor set uses Multi-channel parallel connection Working mould
Formula, i.e., the described solid lubrication rotor, which is put on, is provided with multiple gas vents, the installation of gas outlet described in one of gas vent face, described
Solid lubrication rotor covers the distribution phase of the upper distribution phase of multiple gas vents circumferentially and multiple gas vents on the rotor
Position is identical, so that working as the rotor during rotation, the multipair rotor and the solid lubrication rotor cover upper gas vent
It opens, or simultaneously closes off simultaneously, realize Multi-channel parallel connection work, increase gas pulses intensity, gas turns from the solid lubrication
After multiple gas vents discharge of sub-set, by the air flue between solid lubrication rotor set and the shell, with parallel form
It is pooled to the gas outlet, is sprayed from the gas outlet, pulsing jet is formed.
Gas pulses device according to the present invention, it is preferable that installed between the shaft end and the shell of the rotor unidirectional
Thrust ball bearing, for bearing the rotor between high pressure gas effect, outside and solid lubrication rotor set in inside
Lower drag torque is generated in the case where only retaining minimal clearance.
Gas pulses device according to the present invention, it is preferable that the axis of the blowout patche of the single direction thrust ball bearing and the rotor
End is gap-matched between the seat ring of the single direction thrust ball bearing and the shell using interference fit.
Gas pulses device according to the present invention, it is preferable that the single direction thrust ball bearing and the shell and armature spindle
Type of attachment enables the blowout patche of the single direction thrust ball bearing and seat ring by ball to realize automatic centering, it is ensured that bearing
Not by radial forces.
Gas pulses device according to the present invention, it is preferable that the rotor and the solid lubrication rotor put on be provided with it is more
A gas vent is all square hole, and square hole is uniformly distributed circumferentially, rotor described in the long edge of square hole and the solid lubrication
The axial direction of rotor set, the rotor and the solid lubrication rotor put on the equal length of square hole, can not also wait, square hole
The circumferential direction that is covered along the rotor and the solid lubrication rotor of short side, the bond length on the rotor is less than solid profit
Slide rotor covers upper bond length, the reasonable selection of bond length determine high pressure gas exhaust opening process and closing process when
Between compare.
Gas pulses device according to the present invention, it is preferable that high pressure gas exhaust opening process and closing process when
Between than be more than or equal to 1.
Gas pulses device according to the present invention, it is preferable that oil leab, oil leab opening position are set on the housing
Right above gas pulses device shell, so that the single direction thrust ball bearing installed between the rotor shaft end and the shell
It being capable of permanent even running.
Gas pulses device according to the present invention, it is preferable that the elastic connecting system includes:
Torque is transmitted by motor shaft coupling sleeve and rotor connecting plate between motor shaft and the rotor, using cross elasticity
Type of attachment,
Connecting plate is integrally embedded in the connecting pin recess of the rotor, and motor shaft coupling sleeve end is embedded in connecting plate inner hole,
Wide arc gap cooperation is respectively adopted on a pair of vertical direction, is cooperated on the vertical direction of another pair using small―gap suture, realizes
Cross elastic connection,
Four interior angles of connecting plate carry out the processing of falling filleted corner, discharge stress, to increase connecting plate fatigue life,
It connects plate material and selects 65Mn spring steel, the thickness range of connecting plate is 6~8mm.
Gas pulses device according to the present invention, it is preferable that motor shaft coupling sleeve is using integrated molding design, coupling sleeve
Using interference fit between flat key, it is gap-matched between flat key and motor shaft, motor shaft coupling sleeve is machining
Shi Xianyong milling cutter mills out U-lag, then pulls out keyway with broaching tool, and motor shaft coupling sleeve is not designed to blind hole, if having to be designed to
Blind hole can therefrom be truncated axle sleeve, be designed to two parts, be press-fitted into together between two parts by interference.
Technical effect:
Gas pulses device according to the present invention, due to using the rotor by being provided with gas vent and being equally provided with consolidating for gas vent
The rotor pair that body lubricated rotor set is constituted, rotor use multiaction operating mode, and solid lubrication rotor set uses Multi-channel parallel connection
Operating mode, therefore structure of the invention had not only had the function of the excellent bearing of seal performance, but also had high pressure gas pulse switch
Function can successfully evade the scuffing failure problem of high speed heavy caliber bimetal solid lubrication bearing and effectively mitigate wear-out failure
Problem, can obtain can effectively reduce the calorific value of bimetallic oilless bearing, high-pressure gas jet can be made to generate strong discontinuity
Pulse, causing pulser gas outlet, nearby hard oscillation occurs for air, so as to cause the technical effect of the adjustable strong sound wave of frequency, can
Increase the fields such as rain, fog dispersal, dedusting for but not limited to strong sound wave.
From below in conjunction with description of the attached drawing to embodiment, above-mentioned and/or other aspects of the invention will be apparent and
It is easier to understand.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of gas pulses device according to the present invention.
Fig. 2 is for illustrating multiaction design concept schematic diagram according to the present invention.
Fig. 3 is for illustrating Multi-channel parallel connection design concept schematic diagram according to the present invention.
Fig. 4 shows the section of four effects of gas pulses device one embodiment according to the present invention, four-way parallel-connection structure
Schematic diagram.
Fig. 5 shows cross elastic connection way structure according to the present invention and realizes schematic diagram.
Fig. 6 shows motor shaft coupling sleeve structural schematic diagram according to the present invention.
Fig. 7 shows a design instance graph of gas pulses device according to the present invention.
Specific embodiment
Illustrate specific embodiments of the present invention with reference to the accompanying drawing, but the scope of the present invention is not limited to the specific of explanation
Embodiment.
Fig. 1 is the structural schematic diagram of gas pulses device according to the present invention.As shown in Figure 1, gas pulses device of the invention
Structure include: electric machine assembly 1；Fastening bolt 2；Shell fastening bolt 3；Bracket 4；Rotor connecting plate 5；Rotor assembly 6；Air inlet
End cap oil resistant paper washer 7；Air inlet end cap 8；Housing unit 9；Outlet end cap pergamyn paper pad 10；Outlet end cap 11 etc..
Electric machine assembly 1 may include DC servo motor, for driving the gas pulses generating unit shell of gas pulses device
Interior rotor rotation.Shell fastening bolt 3 be used for by the shell of the gas pulses generating unit of gas pulses device be fastened on bracket (or
Person's support frame) on 4.Bracket (or support frame) 4 is for securely supporting the gas pulses of electric machine assembly 1 and gas pulser to occur
Portion.Rotor connecting plate 5 is used for the gas by cooperating motor shaft and gas pulses device in electric machine assembly 1 with motor shaft coupling sleeve
Torque is transmitted between the intracorporal rotor of pulse generation portion shell.Rotor assembly 6 includes rotor pair, and rotor pair is by being provided with turning for venthole
Son is constituted with the solid lubrication rotor set for being equally provided with venthole, is located at the shell of the gas pulses generating unit of gas pulses device
Inside.
Fig. 7 shows a design instance graph of gas pulses device according to the present invention.Gas pulses device include air inlet end cap,
The parts such as air inlet, outlet end cap, gas outlet, shell, support frame and DC servo motor.In the present specification, by inlet end
Lid, air inlet, outlet end cap, gas outlet, shell and enclosure interior each components be assumed to be the gas of gas pulses device
Pulse generating unit.
With reference to Fig. 1 and Fig. 7, the working principle of gas pulses device of the present invention is: continuous high pressure gas is from gas pulses device
It is blown into air inlet, by the constant pressure continuous compression air, turn for being provided with venthole of rotation status is in by being driven by motor
Son and the rotor for being equally provided with venthole to remain static put on the rule opening and closing of venthole, form pulsing jet.Work as gas
When the set aperture of body pulser rotor aperture and rotor has Chong Die, high pressure gas is formed from gas pulses device inside by rotor pair
Pulsing jet；When gas pulses device rotor aperture and rotor set aperture dislocation, high pressure gas is sealed in gas pulses device
Portion forms jet stream interruption；Jet stream and interruption repeat to form gas pulses jet stream.Outlet of the gas pulses from gas pulses device
Mouth projects.
Gas pulses device according to the present invention comprising pulser rotor pair, elastic connecting system, motor and control system
(not shown), pulse generation principle are that there is gas to stop open the pulser rotor pair of on-off action based on a pair of, rotor pair by
The rotor for being provided with venthole is constituted with the solid lubrication rotor set for being equally provided with venthole.According to the present invention it is possible to pass through control
The revolving speed of gas pulses device rotor, to control high pressure gas pulse frequency；The pressure of pulser gas can be flowed through by setting
And flow, to control the intensity of gas pulses.Gas pulses device can make high-pressure gas jet generate strong discontinuity pulse, cause arteries and veins
It rushes device near exit air and hard oscillation occurs, so as to cause strong sound wave.
Gas pulses device according to the present invention, pulser rotor use multiaction operating mode.Fig. 2 shows for illustrating root
According to multiaction design concept schematic diagram of the invention.As a preferred embodiment, in Fig. 2, it is provided within rotor one week 3 ventilations
Hole during so that rotor rotates a circle in shell along rotation arrows direction, on the airflow direction in figure, generates 3
Gas pulses project.Compared with the single-acting design for being only provided with 1 venthole with rotor one week, the technology effect of this multiaction design
Fruit is: large-diameter rotor linear velocity is reduced under certain pulse frequency, that is to say, that in the gas for obtaining certain pulse frequency
Working rotor is only needed when pulse compared with bottom rpm level, to effectively reduce the calorific value of bimetallic oilless bearing.In general, in gas
When body pulse frequency is mHz, working rotor revolving speed is m/n*60rpm, and n may be designed as 2,3,4 etc..In this example Fig. 2, n is designed as
3。
Gas pulses device according to the present invention, pulser solid lubrication rotor set use Multi-channel parallel connection operating mode.Fig. 3
It shows for illustrating Multi-channel parallel connection design concept schematic diagram according to the present invention.As shown in figure 3, solid lubrication rotor set is fixed
It is statically mounted in shell, rotor is in rotor set by the rotor direction of rotation rotation of diagram, rotor and solid lubrication rotor
Only retain minimal clearance between set, has air flue between rotor set and shell.As a preferred embodiment, in Fig. 3, rotor set
On be provided with 3 exhaust outlets, be also provided with 3 exhaust outlets on rotor, rotor covers the distribution phase of 3 exhaust outlets circumferentially and turns
The distribution phase of 3 exhaust outlets on son is identical, wherein is mounted in shell to rotor set fixed static, a row thereon
Port must the installation of face gas pulses device gas outlet.When rotor is in rotor covers in rotation process, this 3 pairs of rotors and rotor set
On exhaust outlet can open or simultaneously close off simultaneously, after the discharge of 3 exhaust outlets that gas is covered from rotor, by rotor set and shell
Air flue between body, is pooled to pulser outlet with parallel form, sprays along airflow direction from outlet, forms pulsing jet.This
Having the technical effect that under identical pulse current rate for kind Multi-channel parallel connection structure design, can reduce root diameter, that is,
Say, when rotor during rotation, n covers upper exhaust outlet to rotor and rotor and opens or simultaneously close off simultaneously, realizes multi-pass
Thus road parallel operation increases gas pulses intensity.After the n exhaust outlet discharge that gas is covered from rotor, by rotor set and shell
Air flue between body is pooled to pulser outlet with parallel form, sprays from outlet, form pulsing jet.According to the present invention, n
It may be designed as 2,3,4 etc..In this example Fig. 3, n is designed as 3.
Fig. 4 shows a specific embodiment of gas pulses device according to the present invention, is the gas arteries and veins of gas pulses device
The diagrammatic cross-section of generating unit radially is rushed, four effects, four-way parallel-connection structure are used.As shown in figure 4, rotor covers gas vent
It is 4, rotor gas vent is 4, and rotor covers 4 gas vents in the distribution phase and rotor of 4 gas vents circumferentially
Distribution phase it is identical, rotor under motor driven solid lubrication rotor set in along rotation arrows direction around rotor rotation in
Heart rotation only retains minimal clearance between rotor and solid lubrication rotor set, and rotor covers the static shell for being fixed on gas pulses device
In vivo, the gas outlet installation of a gas vent face gas pulses device of rotor set, has air flue between rotor set and shell.
When rotor covers in interior rotation process in rotor, this 4 pairs of rotors and rotor cover upper gas vent and can open or simultaneously close off simultaneously,
After 4 gas vents discharge that gas is covered from rotor, by the air flue between rotor set and shell, gas is pooled to parallel form
Pulser gas outlet is sprayed from gas outlet, forms pulsing jet.
According to the present invention, the rotor of gas pulses device and solid lubrication rotor, which are put on, is all provided with n gas vent (mouth), and n is
2,3,4 etc..In accordance with the present invention it is preferred that n gas vent (mouth) should all be designed as square hole, square hole is uniformly distributed circumferentially.
This is because the inventors discovered that square hole is that exhaust valve opens the maximum aperture mode of efficiency.
According to the present invention, the axial direction of the long edge rotor of square hole and rotor set, rotor and rotor put on the length of square hole
It spends equal, can not also wait and (exhaust efficiency can be reduced if not equal), the longer the better for length, and length is longer, exhauxt valve opens
Bigger with the speed of closing, the discontinuity of air-flow is stronger, and length extreme value is limited to the intensity and rigidity of rotor and rotor set.It is rectangular
The circumferential direction that the short side in hole is covered along rotor and rotor, it is preferable that the bond length on rotor is less than rotor and covers upper bond length.It is short
The reasonable selection of edge lengths determines the time ratio of high pressure gas exhaust opening process and closing process.Reasonably select the length of short side
Ratio is spent, i.e. the length ratio of the short side of short side Yu rotor the set aperture of rotor aperture enables to pressure-air capacity and gas
Good balance is obtained between pulse interruption intensity.
Gas pulses device according to the present invention, it is preferable that the time ratio of high pressure gas exhaust opening process and closing process
More than or equal to 1.Exhaust valve opening process be defined as since exhaust valve open, to fully open, to begin to shut off, finally to
The process completely closed.Exhaust valve closing process is defined as exhaust valve completely closed state.In the design example of the present inventor,
As circumferential number of aperture n=3, it is 60 °~80 ° that range, which is arranged, in exhaust valve opening process angle, and exhaust valve closing process angle is set
Setting range is 60 °~40 °；As circumferential number of aperture n=4, it is 45 °~55 ° that range, which is arranged, in exhaust valve opening process angle, exhaust
It is 45 °~35 ° that range, which is arranged, in valve-closing process angle.
In gas pulses device of the invention, moisten to make rotor bear high pressure gas effect, outside and solid in inside
Lower drag torque is generated in the case where only retaining minimal clearance between sub-set of trackslipping, is installed between rotor shaft end and shell single
To thrust ball bearing.The blowout patche of single direction thrust ball bearing and rotor shaft end are using interference fit, the seat ring of single direction thrust ball bearing
It is gap-matched between shell.The type of attachment of single direction thrust ball bearing and shell and armature spindle, so that one-way thrust ball
The blowout patche and seat ring of bearing can realize automatic centering by ball, it is ensured that bearing is not by radial forces.
The driving torque of single direction thrust ball bearing is calculated, and accounting method is
Wherein, D is bearing diameter, and P is axial compressive force suffered by bearing, and μ is ball bearing coefficient of friction.In design of the invention
In example, specific value is brought into, it is about 1Nm that driving moment, which is calculated,.This will provide reference for driving motor type selecting.
In order to enable the permanent even running of the single direction thrust ball bearing installed between rotor shaft end and shell, sent out in pulse
Oil leab is provided on emitter shell, oil leab opening is located at the shell surface of the pulse generating unit of gas pulses device
(not shown).
Since single direction thrust ball bearing itself is known structure for a person skilled in the art, do not repeated here.
Gas pulses device according to the present invention is passed between motor shaft and rotor by motor shaft coupling sleeve and rotor connecting plate
Torque delivery, using cross elastic connection form.Fig. 5 shows cross elastic connection way structure according to the present invention and realizes signal
Figure.Such as Fig. 5, it illustrates the connection relationship between motor shaft, motor shaft coupling sleeve, flat key, rotor and cross elastic plate, in order to
Understanding described below, further it is shown that the meaning that the cooperation of horizontal direction wide arc gap, vertical direction wide arc gap cooperate.
As shown in figure 5, connecting plate whole matching embedded in rotor connecting pin recess in, motor shaft coupling sleeve end is embedded in
Wide arc gap cooperation is respectively adopted on a pair of vertical direction, small is used on the vertical direction of another pair for connecting plate inner hole
Gap cooperation, realizes cross elastic connection.
To increase connecting plate fatigue life, according to the present invention, four interior angles of connecting plate carry out the processing of falling filleted corner, and release is answered
Power.
According to the present invention, connection plate material needs to have preferable elasticity, selects 65Mn spring steel, connecting plate needs foot
Enough intensity, it is therefore desirable to which thickness is greater than 5mm, and in design example of the invention, the thickness range of connecting plate is 6~8mm.
As shown in figure 5, motor shaft coupling sleeve uses interference fit using design is integrally formed between coupling sleeve and flat key,
Design effect is that flat key will not be moved along motor axis direction, if moving, front and back is also constrained；Between flat key and motor shaft
Be gap-matched, design effect be motor shaft in stationary state not by other active forces, be convenient for changing motor.
Fig. 6 shows motor shaft coupling sleeve structural schematic diagram according to the present invention.Referring to Fig. 6, motor shaft coupling sleeve adds in machine
Work first can mill out U-lag with milling cutter when forming, then pull out keyway with broaching tool.Consider from processing technology, coupling sleeve cannot design
At blind hole.If blind hole have to be designed to, that can also be therefrom truncated axle sleeve, be designed to two parts, between two parts
It is press-fitted into together by interference.
The present invention is illustrated above in conjunction with specific embodiment, it should be understood that the present invention is not limited to disclosed specific embodiments.
The present invention can be improved to be changed, replace or equivalent arrangements, but it is suitable with the spirit and scope of the present invention.Cause
This, the scope of the invention should not be looked at and be limited by aforementioned specification.
Claims (11)
1. a kind of gas pulses device, including motor and control system, support frame, shell, air inlet end cap, air inlet, outlet end cap
The gas outlet and, which is characterized in that further include:
Elastic connecting system；And
Rotor pair comprising be provided with the rotor of gas vent and be equally provided with the solid lubrication rotor set of gas vent, stop with gas
On-off action is opened,
The solid lubrication rotor set, which is fixed, to be statically mounted in the shell, and the rotor is in the solid lubrication rotor
It is driven to rotate by the motor by elastic connecting system connection in set,
High pressure gas pulse frequency is controlled by controlling the revolving speed of the rotor, by the pressure and stream that set inflow gas
Amount, to control the intensity of gas pulses.
2. gas pulses device according to claim 1, which is characterized in that the rotor uses multiaction operating mode, i.e.,
The rotor is provided with multiple gas vents in one week, so that generating multiple gas pulses during the rotor rotates a circle.
3. gas pulses device according to claim 2, which is characterized in that the solid lubrication rotor set uses multichannel simultaneously
Join operating mode, i.e., the described solid lubrication rotor, which is put on, is provided with multiple gas vents, gas outlet described in one of gas vent face
Installation, the solid lubrication rotor cover multiple gas vents on the upper distribution phase of multiple gas vents circumferentially and the rotor
Distribution phase it is identical so that when the rotor during rotation, the multipair rotor and the solid lubrication rotor are put on
Gas vent open simultaneously, or simultaneously close off, realize Multi-channel parallel connection work, increase gas pulses intensity, gas is from described solid
After multiple gas vents discharge of body lubricated rotor set, the air flue between the shell is covered by the solid lubrication rotor, with
Parallel form is pooled to the gas outlet, sprays from the gas outlet, forms pulsing jet.
4. gas pulses device according to claim 1, which is characterized in that between the shaft end and the shell of the rotor
Single direction thrust ball bearing is installed, is turned for making the rotor bear high pressure gas effect, outside and the solid lubrication in inside
Lower drag torque is generated in the case where only retaining minimal clearance between sub-set.
5. gas pulses device according to claim 4, which is characterized in that the blowout patche of the single direction thrust ball bearing with it is described
The shaft end of rotor is gap-matched between the seat ring of the single direction thrust ball bearing and the shell using interference fit.
6. gas pulses device according to claim 5, which is characterized in that the single direction thrust ball bearing and the shell and
The type of attachment of armature spindle, enable the single direction thrust ball bearing blowout patche and seat ring by ball realize automatic centering,
Ensure bearing not by radial forces.
7. gas pulses device according to claim 3, which is characterized in that the rotor and the solid lubrication rotor are put on
The multiple gas vents being provided with all are square hole, and square hole is uniformly distributed circumferentially,
The axial direction of rotor described in the long edge of square hole and solid lubrication rotor set, the rotor and the solid lubrication turn
The equal length of square hole in sub-set, can not also wait,
The circumferential direction that the short side of square hole is covered along the rotor and the solid lubrication rotor, the bond length on the rotor are less than
The solid lubrication rotor covers upper bond length, and the reasonable selection of bond length determines high pressure gas exhaust opening process and pass
Close the time ratio of process.
8. gas pulses device according to claim 7, which is characterized in that the high pressure gas exhaust opening process and closing
The time ratio of process is more than or equal to 1.
9. gas pulses device according to claim 4, which is characterized in that oil leab is arranged on the housing, lubricates
Oil duct opening is located at right above gas pulses device shell, so that installs between the rotor shaft end and the shell is described unidirectional
Thrust ball bearing being capable of permanent even running.
10. gas pulses device according to claim 1, which is characterized in that the elastic connecting system includes:
Torque is transmitted by motor shaft coupling sleeve and rotor connecting plate between motor shaft and the rotor, using cross elastic connection
Form,
Connecting plate is integrally embedded in the connecting pin recess of the rotor, and motor shaft coupling sleeve end is embedded in connecting plate inner hole, one
To wide arc gap cooperation is respectively adopted on vertical direction, is cooperated on the vertical direction of another pair using small―gap suture, realize cross
Elastic connection,
Four interior angles of connecting plate carry out the processing of falling filleted corner, discharge stress, to increase connecting plate fatigue life,
It connects plate material and selects 65Mn spring steel, the thickness range of connecting plate is 6~8mm.
11. gas pulses device according to claim 10, which is characterized in that motor shaft coupling sleeve is set using integrated molding
Meter is gap-matched between flat key and motor shaft using interference fit between coupling sleeve and flat key,
Motor shaft coupling sleeve mills out U-lag in machining Shi Xianyong milling cutter, then pulls out keyway, motor shaft coupling sleeve with broaching tool
Be not designed to blind hole, if blind hole have to be designed to, axle sleeve can be therefrom truncated, be designed to two parts, two parts it
Between be press-fitted into together by interference.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910350944.4A CN110410387A (en) | 2019-04-28 | 2019-04-28 | Gas pulses device |
| PCT/CN2019/125042 WO2020220693A1 (en) | 2019-04-28 | 2019-12-13 | Gas pulser |
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| CN201910350944.4A CN110410387A (en) | 2019-04-28 | 2019-04-28 | Gas pulses device |
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| CN110410387A true CN110410387A (en) | 2019-11-05 |
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| CN201910350944.4A Pending CN110410387A (en) | 2019-04-28 | 2019-04-28 | Gas pulses device |
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| WO (1) | WO2020220693A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111375499A (en) * | 2020-04-21 | 2020-07-07 | 合肥工业大学 | Pulse gas jet generating device with adjustable excitation frequency and duty ratio |
| WO2020220695A1 (en) * | 2019-04-28 | 2020-11-05 | 清华大学 | Solid lubrication rotor pair of gas pulser and process method therefor |
| WO2020220693A1 (en) * | 2019-04-28 | 2020-11-05 | 清华大学 | Gas pulser |
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| CH637285A5 (en) * | 1978-05-03 | 1983-07-29 | Wildfang Dieter Kg | Liquid pulse generator, especially for mouth douches |
| CN103362969A (en) * | 2012-04-06 | 2013-10-23 | 泰州金阳光电子材料有限公司 | Coupling for multistage electrode foil transmission |
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| DE102012024642A1 (en) * | 2012-12-15 | 2014-06-18 | Ulrich Keller | Radio frequency valve for use in radio frequency oscillation device for creation of oscillations in fluid system, has dimensioned annular chambers provided with control holes that are assigned to stator and rotor |
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| WO2020220693A1 (en) * | 2019-04-28 | 2020-11-05 | 清华大学 | Gas pulser |
| CN111375499A (en) * | 2020-04-21 | 2020-07-07 | 合肥工业大学 | Pulse gas jet generating device with adjustable excitation frequency and duty ratio |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020220693A1 (en) | 2020-11-05 |
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