CN106321151A - Pneumatic motor - Google Patents
Pneumatic motor Download PDFInfo
- Publication number
- CN106321151A CN106321151A CN201611031078.5A CN201611031078A CN106321151A CN 106321151 A CN106321151 A CN 106321151A CN 201611031078 A CN201611031078 A CN 201611031078A CN 106321151 A CN106321151 A CN 106321151A
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- Prior art keywords
- hole
- power
- air
- stator
- rotor
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
- F01D1/18—Non-positive-displacement machines or engines, e.g. steam turbines without stationary working-fluid guiding means
- F01D1/22—Non-positive-displacement machines or engines, e.g. steam turbines without stationary working-fluid guiding means traversed by the working-fluid substantially radially
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/003—Arrangements for testing or measuring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/006—Arrangements of brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a pneumatic motor and provides the pneumatic motor capable of effectively improving conversion efficiency of compressed gas by reducing 'back pressure resistance'. The pneumatic motor comprises an outer shell, a stator and a rotor; an annular power area is formed at the position between the peripheral wall surface of an impeller portion of the rotor and the corresponding internal wall surface of the stator; multiple acting unit sets are distributed circumferentially along the acting area at intervals; each acting unit set comprises an acting through hole and an exhaust hole arranged in the stator. Each of the acting unit sets can generate corresponding torque power on the impeller portion, high-pressure airflow discharged from the acting through hole of one acting unit set can discharge exhaust gas acting on the rotor directly, rapidly and sufficiently through the exhaust hole in the acting unit set, resistance of exhaust gas backpressure on the impeller portion can be effectively reduced, rotation speed of the rotor can be further increased, and meanwhile energy exchange efficiency of the compressed gas can be increased.
Description
Technical field
The present invention relates to a kind of air motor.
Background technology
Air motor is the device of a kind of mechanical energy that compressed-air actuated pressure potential is converted into rotation.Turn according to work
The difference of speed, typically can be divided into high speed pneumatic motor and low velocity pneumatic motor by air motor.
In existing low velocity pneumatic motor, the structure generally used is movable blade rotor structure, as in the patent No.
For CN201320311007.6, a kind of gas disclosed in (hereinafter referred to as document 1) in the document of entitled " Pneumatic motor structure "
Dynamic motor；This type of air motor needs to contact friction, Er Qieye with corresponding inner walls face due to blade in rotation process
Sheet needs constantly to move back and forth, during therefore class formation is only applicable to zero motor, and cannot be applicable to high speed pneumatic motor.
(hereinafter referred to as document in Patent No. CN201420443055.5, the document of entitled " a kind of air motor "
2), a kind of air motor improving output is disclosed；But outgassing direction and the axis of wind wheel due to its air distribution hole
Direction in the same direction, the airflow function axis side that part component will be had to act on wind wheel to the power on wind wheel that therefore compressed air is formed
Upwards, on the one hand can increase the stress of wind wheel axial direction, and then increase frictional resistance, on the other hand will also result in part energy consumption
Loss, the conversion ratio causing compressed gas is relatively low.
And in Patent No. CN201520675625.8, the document of entitled " ratchet-type air motor " (hereinafter referred to as
Document 3), disclose a kind of can effectively solve in the presence of above-mentioned document 2 " power on airflow function to wind wheel will have part
Component acts on the axis direction of wind wheel " problem, and then the conversion ratio to compressed gas can be improved.But, in the document 3
In Pneumatic motor structure disclosed in shown in, can not discharge in time after runner being done work due to air-flow, therefore the weary gas after acting
Runner will be produced the phenomenon of " back pressure resistance ", and then cause the rotating speed of runner to improve further, the rotating speed of runner will be made
Become restriction；And after " back pressure resistance " once reaches to a certain degree, also will hinder the rotation of runner greatly, and then have influence on pressure
The transformation efficiency of contracting gas.
It addition, in above-mentioned each document, the mounting means for rotating shaft all uses bearing to install, and works as air motor
Rotating speed higher time, use bearing support mode will seriously restrict the further raising of air motor rotating speed.
Summary of the invention
Present invention solves the technical problem that being to provide one can effectively reduce the air motor of " back pressure resistance " phenomenon, enters
And the transformation efficiency of compressed gas can be effectively improved.
The technical solution adopted for the present invention to solve the technical problems is: air motor, including shell body, stator and turn
Son, is provided with power gas source entrance and the outlet of weary gas on shell body；Described rotor is enclosed within stator rotationally, described shell
Body is enclosed within outside stator；Described rotor includes shaft and impeller portion；At the inwall that the periphery wall in impeller portion is corresponding with on stator
It it is the acting district of annular between face；Circumferentially-spaced along described acting district is distributed many group acting unit；Often group acting unit
Including the power through hole being arranged on stator and steam vent, one end of described power through hole connects with described power gas source entrance,
The internal face that the other end of power through hole is corresponding with acting district from stator is corresponding with the periphery wall face in impeller portion after passing；Described
On the internal face of stator, the normal at the place of passing is for being obliquely installed relative to it for the axis of power through hole, and corresponding slanted angle is
θ, and have 0 ＜ θ≤90 °；One end of described steam vent and weary gas outlet, the other end of steam vent from stator with acting
Internal face corresponding to district connects with district of doing work after passing.
Further: on the periphery wall in impeller portion, be provided with multiple ratchet-type skewed slot along its circumferentially-spaced distribution,
Described ratchet-type skewed slot is corresponding with power through hole.
Further: described ratchet-type skewed slot has a face and of keeping out the wind and cuts sth. askew bottom surface；When ratchet-type skewed slot turns to
Bottom surface of cutting sth. askew this ratchet-type skewed slot time corresponding with one of them power through hole is almost parallel with the axis of this power through hole, and
The face of keeping out the wind of this ratchet-type skewed slot is substantially vertical with the axis of this power through hole；The wherein said face of keeping out the wind is plane or is indent
Semi-cylindrical；The both sides being positioned at rotor axis direction at each ratchet-type skewed slot are respectively arranged with rib, so that described ratchet
Formula skewed slot is the structure of the periphery wall indent from impeller portion.
Further: often organize the downstream that the steam vent in acting unit is positioned at the power through hole of this group acting unit,
And it is positioned at the upstream of the power through hole of next group acting unit.
Further: the value of slanted angle θ is 60 °≤θ≤90 °.
Further: the axis of each power through hole is vertical with the axis of rotor.
Further: be often provided with multiple power through hole and a steam vent in group acting unit；Single often organizing acting
Power through hole in unit is at least provided with two-layer, and two-layer power through hole is spaced apart along the axis direction of stator.
Further: on shell body, be provided with air supporting air source inlet, on stator, the outer peripheral face with shaft is corresponding
Being provided with the first air supporting through hole on the wall coordinated, described first air supporting through hole connects with air supporting air source inlet.
Further: with the wall of the end face corresponding matching being positioned at both sides, rotor axis direction in the impeller portion of rotor
On be provided with the second air supporting through hole, described second air supporting through hole connects with air supporting air source inlet.
Further: described shell body includes cooperate the axle sleeve shell connected and end cap, and described stator and rotor set
Put in the cavity formed after axle sleeve shell and end cap coordinate, and the outfan of described rotor passes from one end of axle sleeve shell；Institute
State power gas source entrance to be arranged on end cap, and be provided with, in end cap, axle sleeve shell and stator, the power gas source being interconnected
Passage, makes power gas source entrance connect with power through hole by described power gas source passage；Described air vent is arranged on axle sleeve shell
On, and on axle sleeve shell and stator, it is provided with the weary gas passage being interconnected, make described weary gas go out by described weary gas passage
Mouth connects with steam vent；When being provided with air supporting air source inlet, described air supporting air source inlet is arranged on end cap, and at end
It is provided with, in lid, axle sleeve shell and stator, the air supporting source of the gas passage being interconnected, makes air supporting source of the gas by described air supporting source of the gas passage
Entrance and the connection of the first air supporting through hole.
Further: described power gas source passage includes being arranged on shell body the annular corresponding with acting unit
Power air drain；One end of described power through hole connects with power air drain after stator, and the other end of power through hole is from stator
Pass rear corresponding with the periphery wall face in impeller portion on internal face.
Further: along rotor axis direction, being provided with entirety and run through the work through hole of air motor, described work is led to
Hole and rotor coaxial.
The invention has the beneficial effects as follows: air motor of the present invention, it is often organized acting unit and all can produce impeller portion
Raw corresponding torque power, and weary after rotor is done work of the high pressure draught discharged from the power through hole of one group of acting unit
Gas by can directly, quickly, the steam vent discharge that sufficiently passes through in this group acting unit, therefore can be effectively reduced weary gas back pressure
The drag phenomena that impeller portion is produced, and then can further improve the rotating speed of rotor, also can improve the energy of compressed gas simultaneously
Transformation efficiency.It addition, air motor of the present invention, its high pressure draught discharged from power through hole, can be applied directly to
The tangent to periphery direction in impeller portion, and rotor will not be produced the force of axial direction, therefore can further improve rotor
Efficiency and sensitivity.It addition, the present invention is also by arranging corresponding air supporting through hole, and then long by the air with certain pressure
Phase keeps between rotor and stator, to form one layer of compression ring (being commonly called as air bearing), so can eliminate between rotor and stator
Contact frictional resistance situation, it is thus ensured that rotor runs well under high speed conditions.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of a kind of concrete example of air motor of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the front view of Fig. 1；
Fig. 4 is the explosive view of Fig. 1；
Fig. 5 is the sectional view of Section A-A in Fig. 2；
Fig. 6 is the schematic perspective view of Fig. 5；
Fig. 7 is the sectional view of section B-B in Fig. 2；
Fig. 8 is the sectional view in C-C cross section in Fig. 2；
Fig. 9 is D-D cross-sectional view in Fig. 5；
Figure 10 is the sectional view in E-E cross section in Fig. 5；
Figure 11 is the enlarged diagram of regional area Z in Figure 10；
Figure 12 is the schematic perspective view of stator；
Figure 13 is the front view of stator；
Figure 14 is the sectional view in F-F cross section in Figure 13；
Figure 15 is the sectional view in G-G cross section in Figure 13；
Figure 16 is the sectional view in H-H cross section in Figure 15；
Figure 17 is the schematic perspective view of rotor；
Figure 18 is the front view of rotor；
Figure 19 is the sectional view in I-I cross section in Figure 18；
Figure 20 is the sectional view in J-J cross section in Figure 18；
Figure 21 is the schematic perspective view of axle sleeve shell；
Figure 22 is the half sectional view of axle sleeve shell；
Figure 23 is the sectional view in K-K cross section in 22；
Figure 24 is the schematic perspective view of end cap；
Figure 25 is the schematic perspective view of air flue spacer ring；
Figure 26 is the sectional view of another embodiment in E-E cross section in Fig. 5；
Figure 27 is to be provided with top view when testing the speed hole；
Figure 28 is the sectional view in L-L cross section in 27；
Figure 29 is the enlarged diagram of regional area Y in Figure 28；
Figure 30 is the schematic perspective view being provided with rotor when testing the speed annulus；
Figure is labeled as: shell body 100, stator 200, rotor 300, acting district 400, acting unit 500, power gas source lead to
Road 600, brake air source channels 700, air supporting source of the gas passage 800, weary gas passage 900, work through hole 1000, air flue spacer ring 1100,
Tachogenerator 1200, power gas source entrance 101, weary gas outlet 102, brake air source inlet 103, air supporting air source inlet 104, axle
Sheath body 110, end cap 120, hole 121 of testing the speed, brake through hole 201, shaft 310, impeller portion 320, power through hole 501, steam vent
502, ratchet-type skewed slot 321, face 322 of keeping out the wind, bottom surface 323 of cutting sth. askew, rib the 324, first air supporting through hole the 311, second air supporting through hole
325, matsurface 326, shiny surface 327, the annulus 328 that tests the speed, power air drain 601, weary vent hole 901.
Detailed description of the invention
The present invention is further described with detailed description of the invention below in conjunction with the accompanying drawings.
As it is shown in the figures, air motor of the present invention, including shell body 100, stator 200 and rotor 300, outside
Power gas source entrance 101 and weary gas outlet 102 it is provided with on housing 100；Described rotor 300 is enclosed within stator 200 rotationally,
Described shell body 100 is enclosed within outside stator 200；Described rotor 300 includes shaft 310 and impeller portion 320；In impeller portion 320
It it is the acting district 400 of annular between the internal face that periphery wall is corresponding with on stator 200；Along between the circumference in described acting district 400
Many group acting unit 500 is distributed every ground；Often group acting unit 500 includes power through hole 501 and the row being arranged on stator 200
Pore 502, one end of described power through hole 501 connects with described power gas source entrance 101, the other end of power through hole 501 from
Internal face corresponding with acting district 400 on stator 200 is corresponding with the periphery wall face in impeller portion 320 after passing；Described power through hole
On the internal face of stator 200, the normal at the place of passing is for being obliquely installed relative to it for the axis of 501, and corresponding slanted angle is θ,
And there are 0 ＜ θ≤90 °；One end of described steam vent 502 connects with weary gas outlet 102, and the other end of steam vent 502 is from stator
Internal face corresponding with acting district 400 on 200 connects with acting district 400 after passing.
Wherein, one group acting unit 500 refer to one group can be done work in the impeller portion 320 on rotor 300 and produce turn
The structure of square power, it includes power through hole 501 and steam vent 502.Specifically can refer to shown in accompanying drawing 10 and accompanying drawing 11.Specifically
Acting process be: there is the compressed air stream of certain pressure；Driven strength source inlet 101 introduces, and finally by power through hole
Rotor 300 to be applied torque, and then rotor driven 300 turns on 501 periphery walls discharging and being applied to impeller portion 320
Dynamic；Compressed air stream will become weary gas after doing work rotor, and the weary gas after acting can be single by often group acting in the present invention
Steam vent 502 in unit 500 is discharged in time, can avoid owing to weary gas is discharged not in time and to leaf in doing work area 400 with this
Wheel portion 320 produces back pressure resistance.Generally, the present invention require at least provided with two groups of acting unit 500, and as far as possible
Acting unit 500 work area 400 of doing annularly is spaced setting, guarantees to act simultaneously on the power in impeller portion 320 with this uniform
Distribution.Without loss of generality, the acting unit 500 in the present invention is generally preferably provided with many groups, such as referring to the drawings 10 or accompanying drawing
Shown in 26, it is and is provided with five groups of acting unit 500.
It is furthermore preferred that so that from the air-flow of power through hole 501 discharge to impeller portion in often organizing acting unit 500
Can discharge timely after 320 actings, the present invention arrange steam vent 502 that often group is done work in unit 500 further and is positioned at this group
The downstream of the power through hole 501 in acting unit 500, and it is positioned at the upper of next power through hole 501 organizing acting unit 500
Trip.
It addition, the axis of above-mentioned so-called power through hole 501 is relative to its normal from passing on the internal face of stator 200
For being obliquely installed, corresponding slanted angle is θ, and has 0 ＜ θ≤90 °；Wherein slanted angle θ can refer to shown in accompanying drawing 15
With clearly.It is furthermore preferred that may be configured as 60 °≤θ≤90 ° for slanted angle θ, such benefit is so that from power through hole
It is bigger that 501 compressed air streams discharged are applied to torque produced by the power on rotor 300.
Additionally, it is generally the case that the axis being preferably provided with each power through hole 501 is vertical with the axis of rotor 300；This
Sample, can be decreased or even eliminated from power through hole 501 discharge air-flow rotor 300 axial direction produce component, Jin Erti
The efficiency of high compressed air, avoids the stress feelings increasing between rotor 300 and stator 200 due to the existence of axial thrust load simultaneously
Condition, can improve the sensitivity of rotor 300 with this.
It addition, the often group acting unit 500 in the present invention, can specifically be provided with multiple power through hole 501 and an aerofluxus
Hole 502.As shown in referring to the drawings 12, it is i.e. to be provided with four power through holes 501 and a row in often organizing acting unit 500
Pore 502；And four the power through holes 501 often organized in acting unit 500 can be set to two-layer, every layer is provided with two edges
Circumferentially distributed power through hole；Two-layer power through hole 501 is spaced apart along the axis direction of stator 200 simultaneously.
It addition, so that be applied to the impeller portion 320 of rotor 300 from the compressed air stream of power through hole 501 discharge
Power can more effectively drive rotor 300 to rotate, and is provided with multiple along it in the present invention further on the periphery wall in impeller portion 320
The ratchet-type skewed slot 321 of circumferentially-spaced distribution, described ratchet-type skewed slot 321 is corresponding with power through hole 501.Wherein ratchet-type skewed slot
321 can refer to shown in accompanying drawing 10, accompanying drawing 11 and accompanying drawing 17 to accompanying drawing 19, when from the cross section from runner portion 320, and spine
Wheeled skewed slot 321 is the flume structure of the setting tilted；And it has a face 322 and of keeping out the wind and cuts sth. askew bottom surface 323；When wherein
One ratchet-type skewed slot 321 turns to one of them power through hole 501 bottom surface 323 of cutting sth. askew of this ratchet-type skewed slot 321 time corresponding
By almost parallel with the axis of this power through hole 501, and the face of keeping out the wind 322 of this ratchet-type skewed slot 321 will be with this power through hole 501
Axis substantially vertical；So, the air-flow discharged from power through hole 501 will be applied directly to the gear of corresponding ratchet-type skewed slot 321
On wind face 322, with this, rotor 300 is produced torque.And so-called substantially vertical or almost parallel, it is due at rotor
Cut sth. askew bottom surface 323 and the face 322 axis with corresponding power through hole 501 that keeps out the wind of ratchet-type skewed slot 321 in 200 rotation processes
Between position relationship itself will change；And by above-mentioned setting, then can improve the air-flow discharged from power through hole 501
It is applied to torque produced by ratchet-type skewed slot 321, and then improves the air-flow mechanical efficiency to rotor 300.More specifically,
Can arrange the face of keeping out the wind 322 is plane or the semi-cylindrical for indent, wherein when arranging its semi-cylindrical being indent, and effect
Power on the face of keeping out the wind 322, will more concentrate.It addition, in order to avoid acting after weary gas from ratchet-type skewed slot 321 be positioned at turn
The axial direction of son 300 leaks, and is positioned at the two of rotor 300 axis direction in the present invention further at each ratchet-type skewed slot 321
Side is respectively arranged with rib 324, so that the structure that described ratchet-type skewed slot 321 is the periphery wall indent from impeller portion 320.Separately
Outward, when being provided with two-layer in often organizing power through hole 501 along the power through hole 501 that the axis direction of stator 200 is spaced apart,
The most also two circle ratchet-type skewed slots 321, and often corresponding one layer of circle ratchet-type skewed slot 321 can be provided with in above-mentioned impeller portion
Power through hole 501.
It addition, in the air motor described in the invention described above, for being rotatably assorted between rotor 300 and stator 200
Relation is the strictest to be limited, and can use common bearing mounting means in theory, i.e. set between rotor 300 and stator 200
Put bearing to coordinate.But, it is contemplated that when using bearing to coordinate, owing to being limited by bearing limit speed, cause
Rotor 300 is unable to reach higher rotating speed；For this present invention further with air-bearing shafts principle, referring to the drawings 7 to 9 and accompanying drawing
Shown in 14, floating gap is set between rotor 300 and stator 200, and on shell body 100, is provided with air supporting accordingly
Air source inlet 104, is provided with the first air supporting through hole with on the wall of the outer peripheral face corresponding matching of shaft 310 on stator 200
311, described first air supporting through hole 311 connects with air supporting air source inlet 104.So, by being passed through tool to air supporting air source inlet 104
Have the compressed gas of certain pressure, by compressed gas after the first air supporting through hole 311 is discharged shaft 310 periphery wall with
Form one layer of compression ring (being commonly called as air bearing) on stator 200 between corresponding internal face, replace bearing with this；So can avoid by
Restriction to rotor 300 rotating speed in time using bearing fit, and then can further improve the rotating speed of rotor 300.Concrete, can be
Two-layer and every layer it is provided with by six the first air supporting through holes 311 being uniformly distributed circumferentially along the axis direction of stator 200.
It is furthermore preferred that above-mentioned be provided with the first air supporting through hole 311 time, the shaft 310 of rotor 300 is only played gas by it
Floating support effect.Shown in 7 and accompanying drawing 8, when the outer circumference diameter arranging impeller portion 320 is relatively larger than shaft 310
Diameter and time impeller portion 320 is arranged on one end of shaft 310, if the part in only countershaft portion 310 uses air supporting to prop up
Support, the stationarity of its rotor 300 entirety is poor.Therefore, in order to improve the air supporting support effect to rotor further, and then improve
Its stationarity, the present invention is the most also being positioned at the end of rotor 300 axis direction both sides in the impeller portion 320 of rotor 300
The second air supporting through hole 325, described second air supporting through hole 325 and air supporting air source inlet 104 it is provided with on the wall of face corresponding matching
Connection.So, by the second air supporting through hole 325, the part in the impeller portion 320 of rotor can be played air supporting support effect, and then
Improve the air supporting support effect to rotor 300 entirety, to guarantee the rotor 300 stability when high-speed rotation.
It addition, the shell body 100 in the present invention may be configured as the axle sleeve shell 110 and end cap 120 groups connected by cooperating
Become, accordingly described stator 200 and rotor 300 are arranged on axle sleeve shell 110 and end cap 120 coordinate after in the cavity that formed, and
And the outfan of described rotor 300 passes from one end of axle sleeve shell 110, specifically can refer to the structure shown in accompanying drawing 1 to 25.Its
Described in power gas source entrance 101 be arranged on end cap 120, and be provided with in end cap 120, axle sleeve shell 110 and stator 200
The power gas source passage 600 being interconnected, makes power gas source entrance 101 and power through hole by described power gas source passage 600
501 connections.Wherein, power gas source passage 600 can be according to practical situation at corresponding end cap 120, axle sleeve shell 110 and stator 200
Interior suitably position is configured.The referring to the drawings concrete structure shown in 5,9 and 10, power gas source entrance 101 first with set
The power gas source passage 600 putting the annular in end cap 120 connects, the most again by a plurality of at end cap 120 and at axle sleeve shell
The power gas source passage 600 of the circumferentially-spaced distribution of 110 connects with power through hole 501 after downwardly extending.It addition, for the ease of
In end cap 120, process corresponding passage, referring to the drawings shown in 25, be also provided with air flue spacer ring 1100, and by inciting somebody to action
Air flue spacer ring 1100 is rear in being installed to end cap 120 forms corresponding passage.It is furthermore preferred that referring to the drawings shown in 26, power gas
Source channels 600 may also include the power air drain 601 being arranged on shell body 100 annular corresponding with acting unit 500；Described
One end of power through hole 501 connects with power air drain 601 after stator 200, and the other end of power through hole 501 is from stator 200
Internal face on pass after the most corresponding with the periphery wall face in impeller portion 320；So, first a plurality of with above-mentioned by power air drain 601
Connect at end cap 120 and at the power gas source passage 600 of the circumferentially-spaced distribution of axle sleeve shell 110, can make at whole power
Air pressure in air drain 601 and air current flow situation are more uniform, and then can ensure that and act on leaf by each acting unit 500
Power in wheel portion 320 is more uniform, to ensure the smooth rotation of rotor 300.
More specifically, when being provided with axle sleeve shell 110 and end cap 120, also described air vent 502 can be arranged on axle sleeve shell
On 110, and on axle sleeve shell 110 and stator 200, it is provided with the weary gas passage 900 being interconnected, by described weary gas passage
900 make described weary gas outlet 102 connect with steam vent 502.Weary gas passage 900 can be configured according to practical situation.With reference to attached
Fig. 5, shown in 6, weary gas passage 900 on stator 200, extend certain distance along axis stator direction after again from the periphery of stator
Pass on wall, and connect with the weary gas passage 900 being arranged in axle sleeve shell 110.More specifically, referring to the drawings shown in 14,
Steam vent 502 can also be the groove type that weary gas passage 900 is formed after the internal face of the stator 200 doing work area 400 correspondence passes
Structure.By above-mentioned arrange on stator 200 extend after certain distance again from the periphery wall of stator along axis stator direction
On the weary gas passage 900 that passes；So arrange benefit be: can make power through hole 501 and steam vent 502 with acting district 400
Corresponding one end is positioned at cross-sectional layers position identical on the axis direction of stator 200, makes again power through hole 501 and aerofluxus simultaneously
The other end in hole 502 staggered floor on the axis direction of stator 200 is arranged, and then can be that the power air drain 601 arranging annular provides
Condition.
It is furthermore preferred that when being provided with axle sleeve shell 110 and end cap 120, when being provided with air supporting air source inlet 104, it is possible to
Described air supporting air source inlet 104 is arranged on end cap 120, and is provided with in end cap 120, axle sleeve shell 110 and stator 200
The air supporting source of the gas passage 800 being interconnected, makes air supporting air source inlet 104 and the first air supporting by described air supporting source of the gas passage 800
Through hole 311 connects.Wherein, air supporting source of the gas passage 800 can be according to practical situation at corresponding end cap 120, axle sleeve shell 110 and stator
In 200, suitable position is configured；And air supporting source of the gas passage 800 and power gas source passage 600 should be avoided and with weary
There is chiasm interference in gas passage 900, so that each passage is independent of one another.Referring to the drawings shown in 7 to 10, air supporting source of the gas passage 800
Air supporting air source inlet 104 is connected with the first air supporting through hole 311 and the second air supporting through hole 325 simultaneously.Further, corresponding second gas
Having part to be arranged on corresponding stator 200 in floating through hole 325, another part is arranged on the epithelium healing spacer ring in end cap 120
On 1100, and all air supporting source of the gas passages 800 by being interconnected connect with air supporting air source inlet 104.
It addition, when above-mentioned be provided with the first air supporting through hole 311 and be provided with the second air supporting through hole 325 time, from accordingly
The air-flow that air supporting through hole is discharged, will be discharged by corresponding gap after rotor 300 is played air supporting supporting role, such as by
Rotor 300 is discharged in the gap of end with stator 200, or also can be by steam vent 502 and corresponding exhaust passage 900 row
Go out；Referring to the drawings shown in 14, also can further with the impeller portion 320 and shaft 310 junction of rotor corresponding to determine
Be provided with corresponding weary vent hole 901 on son 200, then by weary vent hole 901 will from corresponding first air supporting through hole 311 or
The air-flow that person's the second air supporting through hole 325 is discharged is discharged along floating gap from exhaust passage 900.
It addition, air motor of the present invention is also provided with brake air source inlet 103 on shell body 100, simultaneously
Being provided with brake through hole 201 on stator 200, one end of described brake through hole 201 connects with described brake air source inlet 103,
After the internal face that the other end of brake through hole 201 is corresponding with acting district 400 from stator 200 passes and the periphery in impeller portion 320
Wall is corresponding；The axis of described brake through hole 201 is that inclination sets relative to its normal at the place of passing on the internal face of stator 200
Put, and the axis of the through hole 201 that brakes relative to the incline direction of corresponding normal with the axis of power through hole 501 relative to corresponding
The incline direction of normal is contrary.Arrange the effect of brake through hole 201 be by be passed through in brake air source inlet 103 have certain
The compressed air stream of pressure, to discharge and to act on from brake through hole 201 in impeller portion 320, and then plays stopping to impeller portion 320
Car effect.I.e. when rotor 300 is when being driven its high-speed rotation by acting unit 500, when being passed through gas in brake air source inlet 103
During stream, due to the axis of brake through hole 201 relative to the incline direction of corresponding normal with the axis of power through hole 501 relative to right
The incline direction answering normal is contrary, and the air-flow therefore discharged from brake through hole 201 will apply reverse resistance to impeller portion 320,
So that rotor 300 reduction of speed.
It is furthermore preferred that referring to the drawings 8 and accompanying drawing 10 shown in, can be further by described brake through hole 201 and power through hole
501 are arranged on the same anchor ring of stator 200, and the through hole 201 that brakes is arranged on moving in same group of acting unit 500
Between power through hole 501 and steam vent 502 or brake through hole 201 be arranged on adjacent two acting unit 500 between.And
When being provided with axle sleeve shell 110 and end cap 120, described brake air source inlet 103 can be also disposed on end cap 120, and at end
It is provided with, in lid 120, axle sleeve shell 110 and stator 200, the brake air source channels 700 being interconnected, is led to by described brake source of the gas
Road 700 makes brake air source inlet 103 connect with brake through hole 201.Accordingly, brake air source channels 700 can be according to practical situation
In corresponding end cap 120, axle sleeve shell 110 and stator 200, suitable position is configured；And brake source of the gas should be avoided to lead to
Road 700 and air supporting source of the gas passage 800, power gas source passage 600 or chiasm interference occurs with weary gas passage 900, so that each logical
Road is independent of one another.Further, when being provided with the power air drain 601 of annular in the periphery of power through hole 501, can be by its partial arc
Power air drain 601 in Duan is split and as the part with the brake air source channels 700 of the brake corresponding connection of through hole 201, tool
Body can refer to shown in accompanying drawing 10.Without loss of generality, brake through hole 201 quantity also dependent on practical situation be provided with one or
Person is multiple；Shown in 10 and accompanying drawing 14, it is provided with four brake through holes 201, and four brake through holes 201 are arranged
Having two-layer, every layer is distributed two.
It addition, referring to the drawings shown in 27 to accompanying drawing 30, the present invention is additionally provided with, on end cap 120, hole of testing the speed further
121, in described hole 121 of testing the speed, tachogenerator 1200 is installed, rotor 300 is provided with and described tachogenerator
The annulus 328 that tests the speed of 1200 correspondences.So coordinating by test the speed annulus 328 and tachogenerator 1200, can realize turning
The mensuration of son 300 rotating speeds.Wherein, the annulus 328 that tests the speed may be configured as being made up of matsurface 326 and shiny surface 327, and described slightly
Matte 326 and shiny surface 327 are respectively in semi-circular shape.So, when rotor 300 per revolution, due to matsurface 326 and light
The checker of sliding surface 327, can trigger tachogenerator 1200, and then realize testing the speed.
It addition, referring to the drawings shown in 6, the present invention also can be provided with entirety run through pneumatic along rotor 300 axis direction
The work through hole 1000 of motor, described work through hole 1000 is coaxial with rotor 300.The purpose so arranged, is to make the present invention
Under the conditions of described air motor is applicable to some uses needing to arrange therein through hole.Accordingly, it may be necessary to turning
The through-hole structure of corresponding cooperation is set on son 300, air flue spacer ring 1100 and end cap 120.
Claims (12)
1. air motor, including shell body (100), stator (200) and rotor (300), is provided with power on shell body (100)
Air source inlet (101) and weary gas outlet (102)；Described rotor (300) is enclosed within stator (200) rotationally, described shell body
(100) stator (200) it is enclosed within outward；Described rotor (300) includes shaft (310) and impeller portion (320)；It is characterized in that:
It it is the acting district (400) of annular between the periphery wall in impeller portion (320) corresponding internal face upper with stator (200)；Along described
Being distributed of acting district (400) organizes acting unit (500) more circumferentially-spacedly；Often group acting unit (500) includes being arranged on calmly
Power through hole (501) on son (200) and steam vent (502), one end of described power through hole (501) enters with described power gas source
Mouth (101) connection, after the internal face that the other end of power through hole (501) is corresponding with acting district (400) from stator (200) passes
Corresponding with the periphery wall face of impeller portion (320)；The axis of described power through hole (501) is relative to its inwall from stator (200)
On face, the normal at the place of passing is for being obliquely installed, and corresponding slanted angle is θ, and has 0 ＜ θ≤90 °；Described steam vent (502)
One end export (102) with weary gas and connect, the other end of steam vent (502) is corresponding with acting district (400) from stator (200)
Internal face connects with acting district (400) after passing.
2. air motor as claimed in claim 1, it is characterised in that: it is provided with multiple on the periphery wall of impeller portion (320)
Along the ratchet-type skewed slot (321) of its circumferentially-spaced distribution, described ratchet-type skewed slot (321) is corresponding with power through hole (501).
3. air motor as claimed in claim 2, it is characterised in that: described ratchet-type skewed slot (321) has one and keeps out the wind face
(322) and one cuts sth. askew bottom surface (323)；When ratchet-type skewed slot (321) turns to one of them power through hole (501) time corresponding
The bottom surface of cutting sth. askew (323) of this ratchet-type skewed slot (321) is almost parallel with the axis of this power through hole (501), and this ratchet-type is oblique
The face of keeping out the wind (322) of groove (321) is substantially vertical with the axis of this power through hole (501)；Wherein said face of keeping out the wind (322) is plane
Or it is the semi-cylindrical of indent；The both sides being positioned at rotor (300) axis direction each ratchet-type skewed slot (321) are respectively provided with
There is rib (324), so that the structure that described ratchet-type skewed slot (321) is the periphery wall indent from impeller portion (320).
4. air motor as claimed in claim 1, it is characterised in that: often steam vent (502) position in group acting unit (500)
The downstream of the power through hole (501) in this group acting unit (500), and it is positioned at the power of next group acting unit (500)
The upstream of through hole (501).
5. air motor as claimed in claim 1, it is characterised in that: the value of slanted angle θ is 60 °≤θ≤90 °.
6. air motor as claimed in claim 1, it is characterised in that: the axis of each power through hole (501) and rotor (300)
Axis vertical.
7. air motor as claimed in claim 1, it is characterised in that: often it is provided with multiple power in group acting unit (500)
Through hole (501) and a steam vent (502)；Power through hole (501) in often organizing acting unit (500) is at least provided with two
Layer, two-layer power through hole (501) is spaced apart along the axis direction of stator (200).
8. air motor as claimed in claim 1, it is characterised in that: on shell body (100), it is provided with air supporting air source inlet
(104) it is provided with the first air supporting through hole on the wall of the outer peripheral face corresponding matching of, upper at stator (200) and shaft (310)
(311), described first air supporting through hole (311) connects with air supporting air source inlet (104).
9. air motor as claimed in claim 8, it is characterised in that: it is positioned at rotor with in the impeller portion (320) of rotor (300)
(300) the second air supporting through hole (325), described second air supporting it are provided with on the wall of the end face corresponding matching of axis direction both sides
Through hole (325) connects with air supporting air source inlet (104).
10. the air motor as described in claim 1 or 8, it is characterised in that: described shell body (100) includes the company of cooperating
The axle sleeve shell (110) connect and end cap (120), described stator (200) and rotor (300) are arranged on axle sleeve shell (110) and end cap
(120) in the cavity formed after coordinating, and the outfan of described rotor (300) passes from one end of axle sleeve shell (110)；Described
Power gas source entrance (101) is arranged on end cap (120), and sets in end cap (120), axle sleeve shell (110) and stator (200)
It is equipped with the power gas source passage (600) being interconnected, makes power gas source entrance (101) by described power gas source passage (600)
Connect with power through hole (501)；Described air vent (502) is arranged on axle sleeve shell (110), and at axle sleeve shell (110) and fixed
It is provided with, on son (200), the weary gas passage (900) being interconnected, makes described weary gas export by described weary gas passage (900)
(102) connect with steam vent (502)；When being provided with air supporting air source inlet (104), described air supporting air source inlet (104) is arranged
On end cap (120), and it is provided with, in end cap (120), axle sleeve shell (110) and stator (200), the air supporting gas being interconnected
Source channels (800), makes air supporting air source inlet (104) with the first air supporting through hole (311) even by described air supporting source of the gas passage (800)
Logical.
11. air motors as claimed in claim 10, it is characterised in that: described power gas source passage (600) includes being arranged on
The power air drain (601) of the upper annular corresponding with acting unit (500) of shell body (100)；The one of described power through hole (501)
End connects with power air drain (601) afterwards through stator (200), the other end of power through hole (501) internal face from stator (200)
On pass after the most corresponding with the periphery wall face of impeller portion (320).
12. air motors as in one of claimed in any of claims 1 to 9, it is characterised in that: along rotor (300) axis direction,
Being provided with entirety and run through the work through hole (1000) of air motor, described work through hole (1000) is coaxial with rotor (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611031078.5A CN106321151B (en) | 2016-11-22 | 2016-11-22 | Air motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611031078.5A CN106321151B (en) | 2016-11-22 | 2016-11-22 | Air motor |
Publications (2)
| Publication Number | Publication Date |
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| CN106321151A true CN106321151A (en) | 2017-01-11 |
| CN106321151B CN106321151B (en) | 2017-12-19 |
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ID=57816800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611031078.5A Active CN106321151B (en) | 2016-11-22 | 2016-11-22 | Air motor |
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| CN (1) | CN106321151B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410153A (en) * | 2019-07-25 | 2019-11-05 | 北京德丰六禾科技发展有限公司 | A kind of pressure-feed air bearing air motor |
| EP3640431A4 (en) * | 2017-06-16 | 2020-12-09 | Tranf Technology (Xiamen) Co., Ltd | Pneumatic engine |
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| RU2078256C1 (en) * | 1994-06-14 | 1997-04-27 | Валерий Борисович Овандер | Step fluid-pressure motor |
| CN202866899U (en) * | 2012-08-02 | 2013-04-10 | 黄少敏 | Pneumatic motor with double air inlets |
| CN103742200A (en) * | 2014-01-15 | 2014-04-23 | 长春理工大学 | Pneumatic motor |
| CN106014484A (en) * | 2016-07-06 | 2016-10-12 | 朱光波 | Pneumatic rotation device |
| CN206175005U (en) * | 2016-11-22 | 2017-05-17 | 四川晟翔晟智能科技有限公司 | Pneumatic motor |
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2016
- 2016-11-22 CN CN201611031078.5A patent/CN106321151B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2078256C1 (en) * | 1994-06-14 | 1997-04-27 | Валерий Борисович Овандер | Step fluid-pressure motor |
| CN202866899U (en) * | 2012-08-02 | 2013-04-10 | 黄少敏 | Pneumatic motor with double air inlets |
| CN103742200A (en) * | 2014-01-15 | 2014-04-23 | 长春理工大学 | Pneumatic motor |
| CN106014484A (en) * | 2016-07-06 | 2016-10-12 | 朱光波 | Pneumatic rotation device |
| CN206175005U (en) * | 2016-11-22 | 2017-05-17 | 四川晟翔晟智能科技有限公司 | Pneumatic motor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3640431A4 (en) * | 2017-06-16 | 2020-12-09 | Tranf Technology (Xiamen) Co., Ltd | Pneumatic engine |
| US11274553B2 (en) | 2017-06-16 | 2022-03-15 | Tranf Technology (Xiamen) Co., Ltd. | Pneumatic engine |
| CN110410153A (en) * | 2019-07-25 | 2019-11-05 | 北京德丰六禾科技发展有限公司 | A kind of pressure-feed air bearing air motor |
| CN110410153B (en) * | 2019-07-25 | 2021-08-13 | 北京德丰六禾科技发展有限公司 | Static pressure air bearing pneumatic motor |
Also Published As
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|---|---|
| CN106321151B (en) | 2017-12-19 |
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