CN106593539A

CN106593539A - Turbocharged pneumatic motor

Info

Publication number: CN106593539A
Application number: CN201710028088.1A
Authority: CN
Inventors: 张云志; 蒋倩; 潘青
Original assignee: AVIC Beijing Aeronautical Manufacturing Technology Research Institute
Current assignee: Beijing Hangwei High Tech Connection Technology Co.,Ltd.
Priority date: 2017-01-12
Filing date: 2017-01-12
Publication date: 2017-04-26
Anticipated expiration: 2037-01-12
Also published as: CN106593539B

Abstract

The invention relates to a turbocharged pneumatic motor. The turbocharged pneumatic motor comprises a stator housing. A rotor output mechanism arranged in the stator housing comprises a rotor, a pressurizing chamber is formed between the inner wall of the stator housing and the outer wall of the rotor, multiple groups of stator blades are arranged on the inner wall of the stator housing, multiple groups of rotor blades are arranged on the outer wall of the rotor, the stator blades and the rotor blades are axially and alternately arranged, and the area of the cross section of the pressurizing chamber is gradually increased from the air inlet end to the exhaust end of the stator housing; an air inlet mechanism is hermetically arranged at the air inlet end of the stator housing, an exhausting mechanism is arranged at the exhaust end of the stator housing, and a speed regulating mechanism is arranged in an inner cavity of the rotor; and an output shaft is fixedly connected to one end, close to the exhaust end of the stator housing, of the rotor. By virtue of a multistage turbocharging principle, the turbocharged pneumatic motor can obtain relatively high output power on the premise of smaller gas consumption, and meanwhile, the turbocharged pneumatic motor is small in noise, hard to vibrate and relatively long in service life.

Description

A kind of turbocharging air motor

Technical field

The present invention relates to aerodynamic device technical field, more particularly to a kind of turbocharging air motor.

Background technology

Air motor is the device of the mechanical energy for the pressure energy of compressed air being converted to rotation.It functions as electricity Motivation or hydraulic motor, i.e. output torque are rotated with drive mechanism.At present conventional air motor has slide sheet type, piston Three kinds of formula, diaphragm type.

Slide sheet type air motor is mainly made up of parts such as stator, rotor, blades, there is the distribution of inlet and outlet on stator Groove or hole, are milled with elongated slot on rotor, there is blade in groove.There is closure at stator two ends, there is arcuate groove and inlet and outlet hole on closure And blade bottom is communicated.Rotor is eccentrically mounted with stator, with eccentric throw.So by the outer surface of rotor, blade, stator Surface and two closures are formed some sealed volumes.During work, compressed air is entered by air inlet, is divided into two-way, all the way Blade bottom is entered via the arcuate groove of stator two ends closure, blade is released.Whereby air pressure thrust and rotor are rotated blade When centrifugal force comprehensive function and ensure closely to be against on stator inner wall in operation process, another road compressed air enters phase The seal operation volume answered is acted on blade, and the extension elongation of blade is different, can produce torque differences, and rotor is in blade torque differences Rotate counterclockwise under effect, the gas after acting is discharged by stator upper air-vent.

Air motor mainly has the characteristics that：

(1) aperture of control intake valve or air bleeding valve can be passed through, i.e., the flow scalable motor of control compressed air is defeated Go out power and rotating speed, realize stepless time adjustment.

(2) rotating torque of air motor is high, starts and stop speed soon, can be with starting under load.

(3) easy to operate, Maintenance and Repair are easier to.

(4) use air as medium, unavailability is difficult, used air is not required to process, be put into it is pollution-free in air, ten Divide environmental protection.

Air motor is compared with the motor that same purpose is played with it, lightweight, small volume, can be stopped automatically in overload Turn, keep balancing with supply pressure, and can for a long time be fully loaded with work, and temperature rise is less.

At present, air motor be mainly used in mining machinery, professional machinery manufacturing industry, oil field, chemical industry, papermaking, steel-making, The industries such as ship, aviation, engineering machinery, many pneumatic tools such as air drill, wind spanner, pneumatic grinder etc. are respectively arranged with air motor.With Air-driven development, the application of air motor will be more they tended to extensively.

The labor aptitude of air motor is stronger, can be used for stepless time adjustment, start frequently, Jing often commutates, hot humid, easily Fire explosive, load startup, inconvenient hand control and have the possible occasion of overload.

But, there is a problem of starting more existing air motor and characteristic during low-speed running is bad, its life-span is low, make an uproar Sound is big, operation palpus mist of oil air ambient, and general air motor needs to realize the output of motor by controlling air mass flow The change of power and rotating speed, operates comparatively laborious.

Thus, the present inventor proposes a kind of pneumatic horse of turbocharging by the experience and practice of being engaged in relevant industries for many years Reach, to overcome the defect of prior art.

The content of the invention

It is an object of the invention to provide a kind of turbocharging air motor, overcomes air consumption present in prior art Greatly, output is little, noise is big, the problems such as easily vibrate, the turbocharging air motor make use of multiple stage turbocharger principle, Using higher output just can be obtained in the case of less air consumption, while noise is little, be difficult vibration, last a long time.

The object of the present invention is achieved like this, a kind of turbocharging air motor, including stator casing, outside the stator Rotor output mechanism that is that the inside of shell is coaxially arranged with axial restraint and can rotating relative to the stator casing, the rotor Output mechanism includes being provided with the rotor axially through inner chamber, is formed between the inwall of the stator casing and the outer wall of the rotor There is booster cavity, multigroup circumferentially arranged stator vane, multigroup stator vane are provided with the inwall of the stator casing Axially spaced-apart along the stator casing is arranged, and multigroup stator vane constitutes stator multistage blade structure, the rotor Multigroup circumferentially arranged rotor blade is provided with outer wall, multigroup rotor blade sets along the axially spaced-apart of the rotor Put, multigroup rotor blade constitutes rotor multistage blade structure, stator vane described in each group in stator multistage blade structure With rotor blade described in each group in rotor multistage blade structure in axially interlaced setting, the cross section face of the booster cavity Product, the structure of the multigroup stator vane and the multigroup rotor blade cumulative to exhaust end from the inlet end of the stator casing Inlet end of the size vertically from the stator casing is cumulative to exhaust end；The inlet end sealing of the stator casing is provided with energy The admission gear connected with the booster cavity, the exhaust end of the stator casing is provided with the aerofluxuss that can be connected with the booster cavity Mechanism, is provided with the speed governing that one end can be connected with the admission gear and can adjust air inflow in the inner chamber of the rotor Mechanism；The rotor is fixedly connected with output shaft near one end of the exhaust end of the stator casing.

In a better embodiment of the present invention, the interior inlet end without leave of the stator casing gradually increases to exhaust end Greatly, the outer inlet end without leave of the rotor is gradually reduced to exhaust end.

In a better embodiment of the present invention, the admission gear includes being sealed with the inlet end of the stator casing The blower inlet casing of connection, the other end of the blower inlet casing is sealedly connected with valve, and the inside of the valve is arranged with air inlet pipe, described Air inlet pipe is provided with the choke of energy oscillation adjustment air inflow near one end of the stator casing, and the admission gear also includes Air pressure distribution impeller that is that one end is fixedly connected with the blower inlet casing and arranging with the rotor coaxial, inside the blower inlet casing Interior ring structure is provided with, the end face of described air pressure distribution impeller one end constitutes admission space, institute with the internal ring structure axially spaced-apart State air inlet pipe to connect with the booster cavity by the admission space, air pressure distribution impeller.

In a better embodiment of the present invention, the air pressure distribution impeller includes impeller sleeve portion, the impeller axle The center in set portion arranges impeller central hole, and one end turning set of the speed adjusting gear is in the impeller central hole；It is described On the end face of air pressure distribution impeller one end it is circumferentially spaced be provided with it is multiple with the interior ring structure against axially position block, institute The clearance space stated around axially position block constitutes the admission space；On the outer wall in the impeller sleeve portion it is circumferentially uniform between Every multiple impeller blades are provided with, each impeller blade is obliquely installed with the Pivot axle in the impeller sleeve portion in rotation, phase Impeller blade gap is constituted between adjacent two impeller blades, the air inlet pipe passes through the admission space, the impeller blade gap Connect with the booster cavity.

In a better embodiment of the present invention, being provided with the inwall of the air inlet pipe can control the choke most First regulation magnetic piece of big opening angle.

In a better embodiment of the present invention, the speed adjusting gear includes fixed cover in the inner chamber of the rotor Propeller shaft tube, the transmission shafts put axially disposed power transmission shaft via, and the propeller shaft tube is near the air inlet One end of mechanism arranges the connection spindle nose that diameter reduces, be provided with the connection spindle nose it is connecting with the power transmission shaft via, And the spindle nose through hole of insertion vertically, it is equipped with and can be driven in axial sliding in the power transmission shaft via and the spindle nose through hole Axle, the connection spindle nose is rotated and worn by the impeller central hole, one end of the nearly admission gear of the connecting shaft head rest Fixation is arranged deflection cone axle sleeve, and the power transmission shaft is fixedly connected near one end of the admission gear can be along the water conservancy diversion axis of cone The inner chamber of set slides and can be provided with energy against the deflection cone for promoting the choke to swing, the side wall of the deflection cone axle sleeve Connect the air inlet pipe and the admission space and circumferentially arranged axle sleeve long permeable slot.

In a better embodiment of the present invention, the other end of the power transmission shaft is provided with the transmission crown of roll of diameter increase Platform, the position on the power transmission shaft positioned at the power transmission shaft via is arranged with spring, and one end of the spring is resisted against the biography On the end face of moving axis boss, the other end of the spring is resisted against end of the connection spindle nose away from one end of the admission gear On face, the propeller shaft tube is fixedly installed near one end of the exhaust gear can be against the promotion transmission shafts to cunning Dynamic pushing structure.

In a better embodiment of the present invention, the pushing structure includes that one end is fixed with the propeller shaft tube and connects Connect and the other end is axially against the pushing structure positioning sleeve on the end face of the output shaft, in the pushing structure positioning sleeve The speed governing hammer mechanism that can be swung is hinged with, being provided with the speed governing hammer mechanism can promote the raised knot of the propeller shaft slip Structure.

In a better embodiment of the present invention, it is provided with radially penetrating on the pushing structure positioning sleeve and is open Positioned at mounting groove of the pushing structure positioning sleeve on the end face of one end of the exhaust gear, it is hinged in the mounting groove The speed governing hammer mechanism, the speed governing hammer mechanism includes the speed governing hammer that two radial symmetrics are arranged, and the speed governing hammer includes being hinged Connecting portion in the mounting groove, the axial location on the connecting portion positioned at the power transmission shaft arranges the bulge-structure, Two connecting portions are hinged near one end of the axial location of the power transmission shaft, and the radial outside of the connecting portion is fixed Connect pendulum portion that is that the oriented admission gear direction is extended and rotating with the rotor and radially wobbling, it is described The swinging chute swung for the pendulum portion is provided with the inwall of rotor.

In a better embodiment of the present invention, one end turning set of the inner chamber of the rotor near the admission gear On the other end outer wall that the air pressure distributes impeller；The inner chamber of the rotor is provided near one end of the exhaust gear The first step portion that diameter reduces, one end of the output shaft is provided with output shaft boss, the end face of the output shaft boss with The end face in the first step portion against and the output shaft boss be fixedly connected with the first step portion.

In a better embodiment of the present invention, the exhaust gear includes being fixedly connected on the row of the stator casing The exhaust end cover at gas end；It is circumferentially arranged on the exhaust end cover to have the steam vent that connected with the booster cavity, the aerofluxuss The center of nose end lid arranges output shaft via, and the output shaft rotation is worn by the output shaft via.

From the above mentioned, the turbocharging air motor that the present invention is provided has the advantages that：

(1) present invention provide turbocharging air motor utilize turbocharging principle, including the stator being coaxially disposed outside Multistage concentric blade staggeredly is set on shell and rotor, the inwall of stator casing and the outer wall of rotor, and stator casing and turned The volume of the booster cavity between son is cumulative to exhaust end from inlet end, can produce when air flows vertically from after inlet end entrance Raw torque differences, realize the rotation of rotor, and the process will not be vibrated and be not in friction equal loss's problem, and noise is little, be difficult to shake It is dynamic, effectively improve service life；

(2) turbocharging air motor of the invention is internally provided with speed adjusting gear, speed adjusting gear can adjust automatically from Admission gear enters the air inflow of supercharging intracavity and then adjusts rotor speed and reaches rated speed, in feeder flow not The change of output torque and rotating speed is realized in the case of change, so as to it is real currently use less air consumption in the case of just can obtain compared with High output, with good application prospect.

Description of the drawings

The following drawings is only intended in schematic illustration and explanation is done to the present invention, is not delimit the scope of the invention.Wherein：

Fig. 1：For the outside drawing of the turbocharging air motor of the present invention.

Fig. 2：For the sectional view of the turbocharging air motor of the present invention.

Fig. 3 a：The outside drawing of stator casing and exhaust gear for the present invention.

Fig. 3 b：The sectional view of stator casing and exhaust gear for the present invention.

Fig. 3 c：For the outside drawing of the exhaust end cover of the present invention.

Fig. 3 d：For the front view of the exhaust end cover of the present invention.

Fig. 4 a：For the outside drawing of the rotor output mechanism of the present invention.

Fig. 4 b：For the sectional view of the rotor output mechanism of the present invention.

Fig. 5 a：For the outside drawing of the admission gear of the present invention.

Fig. 5 b：For the sectional view of the admission gear of the present invention.

Fig. 5 c：Air pressure for the present invention distributes the outside drawing of impeller.

Fig. 5 d：Air pressure for the present invention distributes the side view of impeller.

Fig. 6 a：For the outside drawing of the speed adjusting gear of the present invention.

Fig. 6 b：For the sectional view of the speed adjusting gear of the present invention.

In figure：

100th, turbocharging air motor；

101st, booster cavity；

1st, stator casing；11st, stator multistage blade structure；

2nd, rotor output mechanism；

21st, rotor；

211st, swinging chute；212nd, first step portion；

22nd, rotor multistage blade structure；

23rd, output shaft；231st, output shaft boss；232nd, alignment pin；

3rd, admission gear；

30th, admission space；

31st, blower inlet casing；

311st, interior ring structure；3111st, internal ring connection blind hole；3112nd, the second internal ring connecting hole；

312nd, fixed jackscrew；

32nd, valve；

321st, inlet seal circle；

33rd, air inlet pipe；

331st, first magnetic piece is adjusted；

332nd, door-hinge installation set；

333rd, choke swings gap；

334th, second magnetic piece is adjusted；

335th, stage portion is stopped；

34th, choke；341st, door-hinge；

35th, air pressure distribution impeller；

351st, impeller sleeve portion；3511st, the second connection screw thread hole；

352nd, impeller central hole；

353rd, impeller blade；

354th, axially position block；

3541st, the first locating piece；35411st, the first location hole；

3542nd, the second locating piece；35421st, the second location hole；

355th, the second connecting bolt；

4th, exhaust gear；

41st, exhaust end cover；411st, steam vent；412nd, output shaft bearing；

5th, speed adjusting gear；

51st, propeller shaft tube；511st, power transmission shaft via；512nd, sleeve sealing circle；

52nd, spindle nose is connected；521st, spindle nose through hole；522nd, spindle nose bearing；

53rd, power transmission shaft；531st, power transmission shaft boss；

54th, deflection cone axle sleeve；541st, axle sleeve long permeable slot；

55th, deflection cone；

56th, spring；

57th, pushing structure；

571st, pushing structure positioning sleeve；5711st, mounting groove；

572nd, speed governing hammer mechanism；5721st, speed governing hammer；5722nd, connecting portion；5723rd, pendulum portion；

573rd, bulge-structure.

Specific embodiment

In order to be more clearly understood to the technical characteristic of the present invention, purpose and effect, now control illustrates this Bright specific embodiment.

As shown in Fig. 1 to Fig. 6 b, the present invention provides a kind of turbocharging air motor 100, including stator casing 1, at this In embodiment, stator casing 1 is spliced by 3 lobe circular arc housings；The inside of stator casing 1 is coaxially arranged with axial restraint And can the rotor output mechanism 2 that rotates of relative stator shell 1, rotor output mechanism 2 includes being provided with turning axially through inner chamber Son 21, is formed with booster cavity 101 between the inwall of stator casing 1 and the outer wall of rotor 21, be provided with the inwall of stator casing 1 Multigroup circumferentially arranged stator vane, multigroup stator vane is arranged along the axially spaced-apart of stator casing 1, multigroup stator vane structure Into stator multistage blade structure 11, multigroup circumferentially arranged rotor blade, many group rotor leaves are provided with the outer wall of rotor 21 Piece is arranged along the axially spaced-apart of rotor 21, and multigroup rotor blade constitutes rotor multistage blade structure 22, stator multistage blade structure Each group stator vane in 11 is in axially interlaced setting with each group rotor blade in rotor multistage blade structure 22, at this In embodiment, stator multistage blade structure 11 is 5 grade blades, and rotor multistage blade structure 22 is 6 grade blades；Booster cavity 101 Cross-sectional area it is cumulative to exhaust end from the inlet end of stator casing 1, the structure of multigroup stator vane and multigroup rotor blade The inlet end of (radial width and axial width size including blade) vertically from stator casing 1 size is cumulative to exhaust end, The active area increase of compressed air, flow velocity reduces, and acts on stator multistage blade structure 11 and rotor multistage blade structure 22 On pressure gradually increase, produce torque differences, realize the rotation of rotor 21；The inlet end sealing of stator casing 1 is provided with can be with The admission gear 3 of the connection of booster cavity 101, the entrance of admission gear 3 is connected with feeder (prior art), stator casing 1 Exhaust end is provided with the exhaust gear 4 that can be connected with booster cavity, in a specific embodiment of the present invention, the two of stator casing 1 End is tightly connected admission gear 3 and exhaust gear 4 by falcon groove respectively；Be provided with the inner chamber of rotor 21 one end can with enter mechanism of qi Structure 3 is connected and can adjust the speed adjusting gear 5 of air inflow；Rotor 21 is fixed near one end of the exhaust end of stator casing 1 and connected It is connected to output shaft 23, output shaft 23 and actuator (prior art, the torsional toughness exported using turbocharging air motor 100 The mechanism of work) it is fixedly connected, output shaft 23 is with rotor synchronous axial system so as to driving actuator to rotate.The turbine that the present invention is provided Supercharging air motor 100 utilizes turbocharging principle, including the stator casing 1 and rotor 21 that are coaxially disposed, stator casing 1 it is interior Axially staggered multistage concentric blade, and the supercharging between stator casing 1 and rotor 21 are set on the outer wall of wall and rotor 21 The volume in chamber 101 is cumulative to exhaust end from inlet end, and when air flows vertically from after inlet end entrance torque differences can be produced, The rotation of rotor 21 is realized, the process will not be vibrated and be not in friction equal loss's problem, and noise is little, be difficult vibration, effectively Improve service life；Simultaneously turbocharging air motor 100 is internally provided with speed adjusting gear 5, and speed adjusting gear 5 being capable of adjust automatically Air inflow in from admission gear 3 into booster cavity 101 further adjusts rotor speed and reaches rated speed, in feeder The change of output torque and rotating speed is realized in the case that flow is constant, so as to just may be used in the case of currently using less air consumption in fact Higher output is obtained, with good application prospect.

Further, the interior inlet end without leave of stator casing 1 gradually increases to exhaust end, the outer inlet end without leave of rotor 21 to Exhaust end is gradually reduced, so as to constitute radial dimension from the inlet end of stator casing 1 to the cumulative booster cavity 101 of exhaust end.

Further, as shown in Fig. 2, Fig. 5 a, Fig. 5 b, admission gear 3 includes being tightly connected with the inlet end of stator casing 1 Blower inlet casing 31, in a specific embodiment of the present invention, the end of stator casing 1 is tightly connected blower inlet casing 31 by falcon groove；Lead The other end of stream shell 31 is sealedly connected with valve 32, and in the present embodiment, valve 32 is connected with blower inlet casing 31 by thread seal Connect；The inside of valve 32 is arranged with air inlet pipe 33, and air inlet pipe 33 is provided near one end of stator casing 1 can oscillation adjustment air inlet The choke 34 of amount, in the present embodiment, is provided with horizontal door-hinge 341 on choke 34, door-hinge 341 is located at air inlet pipe 33 Pivot axle side, air inlet pipe 33 arrange choke one end and near the side of door-hinge 341 side wall on be provided with resistance Air door swings gap 333, and choke 34 can be to side oscillation outside air inlet pipe, choke near the side that choke swings gap 333 Swing gap 333 diapire can with choke 34 away from stator casing 1 one end end face against, it is to avoid the choke lateral air inlet The interior side oscillation of pipe 33, in a specific embodiment of the present invention, choke swings the diapire of gap 333 and is concavely provided with along air inlet The second axially arranged regulation magnetic piece 334 of pipe 33, second adjusts the outer face of magnetic piece 334 and choke swing gap 333 Diapire is flushed, and before the non-air inlet of turbocharging air motor 100, second adjusts magnetic piece 334 can be by one end end face absorption of choke 34 It is resisted against choke to swing on the diapire of gap 333；Air inlet pipe 33 arranges one end of choke and away from the side of door-hinge 341 Stop stage portion 335 is provided with the wall of side, choke 34 is resisted against stop stage portion 335 near one end end face of stator casing 1 End face on, it is to avoid the outer side oscillation of the choke lateral air inlet pipe 33；One end in valve 32 near stator casing 1 is arranged with Door-hinge installation set 332, the fixed cover of door-hinge installation set 332 is located at the end outside of air inlet pipe 33, the side wall of door-hinge installation set 332 Above and radially door-hinge hinge hole is symmetrically arranged with, the two ends of door-hinge 341 are each passed through the side walls hinged in door-hinge of air inlet pipe 33 In hinge hole, choke 34 can be swung so as to change the folding angle of choke 34 around door-hinge 341, reach change booster cavity 101 The purpose of air inflow.Choke 34 swing near choke side and the door-hinge installation set 332 of the side of gap 333 inwall it Between be provided with air inlet gap, at the beginning of the air inlet of air inlet pipe 33, compressed air pressure effect under, choke 34 near choke put The side of dynamic gap 333 swings out (when the active force of compressed air adjusts the absorption affinity of magnetic piece 334 more than second), and compression is empty Gas Jing chokes swing the diapire and choke 34 of gap 333 away from gap, the choke between one end end face of stator casing 1 The air inlet gap of 34 sides enters the inner chamber of blower inlet casing 31.

As shown in Fig. 2, Fig. 5 a, Fig. 5 b, Fig. 5 c, Fig. 5 d, admission gear 3 is also fixedly connected including one end with blower inlet casing 31 And the air pressure that is coaxially disposed with rotor 21 distributes impeller 35, interior ring structure 311, air pressure distribution leaf are provided with inside blower inlet casing 31 One end of wheel 35 constitutes admission space 30 with the axially spaced-apart of interior ring structure 311, and air inlet pipe 33 is distributed by admission space 30, air pressure Impeller 35 is connected with booster cavity 101.In the present embodiment, air pressure distribution impeller 35 includes impeller sleeve portion 351, impeller sleeve The center in portion 351 arranges impeller central hole 352, and one end turning set of speed adjusting gear 5 is located in impeller central hole 352, impeller Circumferentially uniform intervals are provided with multiple impeller blades 353, each impeller blade 353 and impeller sleeve portion 351 on the outer wall of shaft sleeve part 351 Pivot axle be helically obliquely installed, impeller blade gap, compressed air Jing admission space are constituted between adjacent fan-wheel piece 353 30th, the impeller blade gap on air pressure distribution impeller 35 is entered in booster cavity 101.Edge on the end face of air pressure distribution impeller 35 one end Be provided at circumferentially spaced it is multiple with interior ring structure 311 against axially position block 354, the gap between each axially position block 354 Space constitutes aforesaid admission space, it is ensured that the axially spaced-apart between one end of air pressure distribution impeller 35 and interior ring structure 311 away from From constant, in the present embodiment, axially position block 354 includes circumferentially be crisscross arranged the first locating piece 3541 and the second positioning Block 3542, be provided with the corresponding position of the first locating piece 3541 on the side wall in impeller sleeve portion 351 axially through the first company Connect screwed hole, be provided with the first locating piece 3541 axially through and the first location hole for connecting with the first connection screw thread hole 35411 (the first location hole 35411 is unthreaded hole), with the corresponding position of the second locating piece 3542 on the side wall in impeller sleeve portion 351 Be provided with axially through the second connection screw thread hole 3511, be provided with the second locating piece 3542 axially through and with second Second location hole 35421 (the second location hole 35421 is unthreaded hole) of connection screw thread hole connection, the interior ring structure 311 of blower inlet casing 31 The upper position relative with the first locating piece 3541 be provided with axially through the first internal ring connecting hole (the first internal ring connecting hole is light Hole), it is (interior that position relative with the second locating piece 3542 on the interior ring structure 311 of blower inlet casing 31 arranges internal ring connection blind hole 3111 Ring connection blind hole 3111 is unthreaded hole), it is provided with being disposed radially on the side wall of blower inlet casing 31 and is connected blind hole 3111 with internal ring Second internal ring connecting hole 3112 (the second internal ring connecting hole 3112 is screwed hole) of connection.In valve 32 and the assembling of blower inlet casing 31 Before, air pressure distribution impeller 35 is assembled with blower inlet casing 31 first, by the first internal ring connecting hole, the first location hole 35411 and first wear the first connecting bolt in connection screw thread hole and realize that air pressure distribution impeller 35 is consolidated with the first time of blower inlet casing 31 It is fixed；Inwardly wear from the one end away from blower inlet casing 31 in second connection screw thread hole 3511 in impeller sleeve portion 351 and fix second Connecting bolt 355, the free end of the second connecting bolt 355 is connected the bottom hole of blind hole 3111 with internal ring and leans, in blower inlet casing 31 Opposite side install after valve 32, the fixation in the second internal ring connecting hole 3112 wearing fixed jackscrew 312, fixed jackscrew 312 One end is resisted against on the side wall of the second connecting bolt 355, realizes second fixation of air pressure distribution impeller 35 and blower inlet casing 31, Dual fixation ensure that being fixedly connected for air pressure distribution impeller 35 and blower inlet casing 31, it is to avoid turbocharging air motor 100 works During produce loosening therebetween, improve the safety and reliability of turbocharging air motor 100.In order to ensure into mechanism of qi The sealing of structure 3, inlet seal circle 321 is provided between valve 32 and blower inlet casing 31 between adjacent end face.

Further, as shown in Fig. 2, Fig. 5 b, being provided with the inwall of air inlet pipe 33 can control the maximum opening angle of choke 34 First regulation magnetic piece 331 of degree.Choke 34 to swing to and reach maximum opening angle, root when contacting with the first regulation magnetic piece 331 Factually border service condition can adjust the length in the inner chamber of valve 32 of the first regulation magnetic piece 331, so as to adjust choke 34 maximum opening angle.

Further, as shown in Fig. 2, Fig. 6 a, Fig. 6 b, speed adjusting gear 5 includes biography of the fixed cover in the inner chamber of rotor 21 Moving axis axle sleeve 51, in a specific embodiment of the present invention, being arranged with the outer wall of propeller shaft tube 51 can be by propeller shaft tube The 51 sleeve sealing circles 512 being fixed in the inner chamber of rotor 21, the quantity of sleeve sealing circle 512 is 2；On propeller shaft tube 51 Axially disposed power transmission shaft via 511, propeller shaft tube 51 arranges the connection spindle nose that diameter reduces near one end of admission gear 3 52, it is provided with spindle nose through hole 521 connect with power transmission shaft via 511 and insertion vertically, power transmission shaft mistake on connection spindle nose 52 Be equipped with hole 511 and spindle nose through hole 521 can power transmission shaft 53 in axial sliding, connection spindle nose 52 rotated to wear and distributed by air pressure The impeller central hole 352 that the center of impeller 35 is arranged, in the present embodiment, is arranged with outer wall and is resisted against on connection spindle nose 52 Spindle nose bearing 522 on the air pressure distribution inwall of impeller 35, one end of spindle nose bearing 522 and the spindle nose platform for being connected setting on spindle nose 52 Rank portion leans, and one end fixation for connecting spindle nose 52 near admission gear 3 is arranged deflection cone axle sleeve 54, in the present embodiment, Be provided with positioning step portion in the inner chamber of deflection cone axle sleeve 54, connect spindle nose 52 be provided with positioning step portion against snap ring, Deflection cone axle sleeve 54 leans away from the end face of one end of admission gear 3 with the end face of the other end of spindle nose bearing 522.Power transmission shaft 53 near one end of admission gear 3 be fixedly connected with can along deflection cone axle sleeve 54 inner chamber slide and can against promote choke 34 deflection cones 55 for swinging, the diameter of deflection cone 55 is tapered to the orient diameter of admission gear 3 from power transmission shaft 53, deflection cone axle sleeve 54 side wall is provided with can connect air inlet pipe 33 and admission space 30 and circumferentially arranged axle sleeve long permeable slot 541.

Further, as shown in Fig. 2, Fig. 6 b, the other end of power transmission shaft 53 is provided with the power transmission shaft boss 531 of diameter increase, Position on power transmission shaft 53 positioned at power transmission shaft via 511 is arranged with spring 56, and one end of spring 56 is resisted against power transmission shaft boss 531 End face (near the end face of one end of power transmission shaft via) on, the other end of spring 56 is resisted against connection spindle nose 52 away from entering mechanism of qi On the end face of one end of structure 3, propeller shaft tube 51 is fixedly installed near one end of exhaust gear 4 can be against promotion power transmission shaft 53 Pushing structure 57 in axial sliding.Power transmission shaft 53 is moved under the impetus of pushing structure 57 to airintake direction, makes deflection cone 55 promote choke 34 to increase its opening angle, promote more gases to enter booster cavity 101, and then increase turning for rotor 21 Speed, meanwhile, spring 56 is pressurized, and to the end face of power transmission shaft boss 531 active force towards exhaust gear 4 is produced, and prevents power transmission shaft 53 continue to be moved to the direction of admission gear 3, and the air inflow of booster cavity 101 is adjusted, until the stress balance of power transmission shaft 53, Now, rated speed is reached with the output shaft 23 of the synchronous rotary of rotor 21.The turbocharging air motor 100 of the present invention can lead to Cross and change spring 56 and reach different rated speed and moment of torsion.

Further, as shown in Fig. 2, Fig. 6 a, Fig. 6 b, pushing structure 57 is fixedly connected including one end with propeller shaft tube 51, And the other end is axially against the pushing structure positioning sleeve 571 on the end face of output shaft 23, in the present embodiment, pushing structure Positioning sleeve 571 and propeller shaft tube 51 are integrally formed, and in pushing structure positioning sleeve 571 the speed governing hammer mechanism that can be swung is hinged with 572, the bulge-structure 573 that power transmission shaft 53 can be promoted to slide is provided with speed governing hammer mechanism 572.

Further, as shown in Fig. 2, Fig. 6 a, Fig. 6 b, the radially penetrating and position that is open is provided with pushing structure positioning sleeve 571 Mounting groove 5711 in pushing structure positioning sleeve 571 on the end face of one end of exhaust gear 4, before being hinged in mounting groove 5711 The speed governing hammer mechanism 572 stated, speed governing hammer mechanism 572 includes the speed governing hammer 5721 that two radial symmetrics are arranged, and speed governing hammer 5721 is wrapped Include and be articulated with the connecting portion 5722 installed in groove sidewall, the axial location on connecting portion 5722 positioned at power transmission shaft 53 arranges aforesaid Bulge-structure 573, two connecting portions 5722 are hinged near the end of the axial location of power transmission shaft 53, the footpath of connecting portion 5722 Pendulum portion that is that the direction of oriented admission gear 3 is extended and rotating and radially wobbling with rotor 21 is fixedly connected laterally 5723, the swinging chute 211 swung for pendulum portion 5723 is provided with the inwall of rotor 21.In the rotation process of rotor 21, power transmission shaft Axle sleeve 51 and pushing structure positioning sleeve 571 and the synchronous axial system of rotor 21, under the influence of centrifugal force, the free end in pendulum portion 5723 Radially outward swing, now the bulge-structure 573 on connecting portion 5722 is moved to airintake direction, bulge-structure 573 is resisted against biography On the end face of moving axis boss 531 and promote power transmission shaft 53 vertically to airintake direction slide.

Further, as shown in Fig. 2, Fig. 4 a, Fig. 4 b, the inner chamber of rotor 21 is located near one end turning set of admission gear 3 On the other end outer wall of air pressure distribution impeller 35；The inner chamber of rotor 21 is provided with diameter reduction near one end of exhaust gear 4 First step portion 212, one end of output shaft 23 is provided with output shaft boss 231, the end face and first step of output shaft boss 231 The end face in portion 212 against and output shaft boss 231 be fixedly connected with first step portion 212, in the present embodiment, output shaft Boss 231 is fixedly connected in the first step portion 212 of rotor 21 by alignment pin 232, in a specific embodiment of the present invention In, the quantity of alignment pin 232 is 3, is arranged circumferentially along first step portion 212.

Further, as shown in Fig. 2, Fig. 3 a, Fig. 3 b, Fig. 3 c, Fig. 3 d, exhaust gear 4 includes being fixedly connected on stator casing 1 Exhaust end exhaust end cover 41, the present invention a specific embodiment in, the end of stator casing 1 is tightly connected by falcon groove Exhaust end cover 41；Circumferentially arranged on exhaust end cover 41 to have the steam vent 411 that connected with booster cavity 101, steam vent 411 is from row The insertion that curves inwardly of the side wall of gas end cap 41 extends to exhaust end cover 41 near axial one end of booster cavity 101, exhaust end cover 41 Center arrange output shaft via, output shaft 23 rotate wear by output shaft via, in the present embodiment, output shaft mistake Output shaft bearing 412 is arranged with hole, output shaft 23 is rotated and passes through output shaft bearing 412.

During the use of turbocharging air motor 100 of the present invention, it is empty that feeder provides compression in air inlet pipe 33 Gas, at the beginning of the air inlet of air inlet pipe 33, under the pressure effect of compressed air, choke 34 swings the one of gap 333 near choke Side swings out (when the active force of compressed air adjusts the absorption affinity of magnetic piece 334 more than second), compressed air Jing choke pendulum The diapire and choke 34 of dynamic gap 333 is away from the gap between one end end face of stator casing 1, the air inlet of the side of choke 34 Gap enters the inner chamber of blower inlet casing 31, and the space between deflection cone 55 and blower inlet casing 31 is flowed into afterwards, then through axle sleeve long permeable slot 541st, admission space 30, air pressure distribution impeller 35 (impeller blade gap) enters booster cavity 101, and compressed gas are from stator casing 1 Inlet end to exhaust end flows, the physical dimension of multigroup stator vane and multigroup rotor blade entering from stator casing 1 vertically Gas end is cumulative to exhaust end, and the active area increase of compressed air, flow velocity reduces, and acts on stator multistage blade structure 11 and turns Pressure in sub- multistage blade structure 22 gradually increases, and produces torque differences, and rotor 21 starts to rotate, and drives its internal transmission Axle axle sleeve 51 and the output shaft 23 for being secured to connect rotate at a high speed, under the influence of centrifugal force, the free end in pendulum portion 5723 Radially outward swing, now the bulge-structure 573 on connecting portion 5722 is moved to airintake direction, bulge-structure 573 is resisted against biography On the end face of moving axis boss 531 and promote power transmission shaft 53 vertically to airintake direction slide, what is be fixedly connected on power transmission shaft 53 leads Flow cone 55 promotes choke 34 to increase its opening angle, promotes more gases to enter booster cavity 101, and then increases rotor 21 Rotating speed, correspondingly, the opening angle in pendulum portion 5723 is increased, and bulge-structure 573 continues to promote power transmission shaft 53 to airintake direction, The opening angle that deflection cone 55 backs down choke 34 continues to increase, and increases gas inlet, meanwhile, spring 56 is pressurized, right The end face of power transmission shaft boss 531 produces the active force towards exhaust gear 4, prevents power transmission shaft 53 from continuing the side to admission gear 3 To movement, so repeatedly, the air inflow of booster cavity 101 is adjusted, until the stress balance of power transmission shaft 53, now, with rotor The output shaft 23 of 21 synchronous rotaries reaches rated speed.

(1) present invention provide turbocharging air motor utilize turbocharging principle, including the stator being coaxially disposed outside Multistage concentric blade staggeredly is set on shell and rotor, the inwall of stator casing and the outer wall of rotor, and stator casing and turned Booster cavity between son is cumulative to exhaust end from inlet end, and when air flows vertically from after inlet end entrance torque can be produced Difference, realizes the rotation of rotor, and the process will not be vibrated and be not in friction equal loss's problem, and noise is little, be difficult vibration, effectively Improve service life；

Schematically specific embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any Those skilled in the art, done equivalent variations and modification on the premise of the design without departing from the present invention and principle, The scope of protection of the invention should be belonged to.

Claims

1. a kind of turbocharging air motor, including stator casing, it is characterised in that the inside of the stator casing is coaxially disposed Rotor output mechanism that is having axial restraint and can rotating relative to the stator casing, the rotor output mechanism includes being provided with Axially through the rotor of inner chamber, booster cavity is formed between the outer wall of the inwall of the stator casing and the rotor, it is described fixed Multigroup circumferentially arranged stator vane is provided with the inwall of subshell, multigroup stator vane is along the stator casing Axially spaced-apart is arranged, and multigroup stator vane constitutes stator multistage blade structure, is provided with the outer wall of the rotor multigroup Circumferentially arranged rotor blade, multigroup rotor blade is arranged along the axially spaced-apart of the rotor, multigroup rotor leaf Piece constitutes rotor multistage blade structure, stator vane described in each group in stator multistage blade structure and rotor multistage blade structure In each group described in rotor blade in axially interlaced setting, the cross-sectional area of the booster cavity is from the stator casing Inlet end to exhaust end is cumulative, and the physical dimension of multigroup stator vane and multigroup rotor blade is vertically from described fixed The inlet end of subshell is cumulative to exhaust end；The inlet end sealing of the stator casing is provided with what is can connected with the booster cavity Admission gear, the exhaust end of the stator casing is provided with the exhaust gear that can be connected with the booster cavity, the rotor it is interior The speed adjusting gear that one end can be connected with the admission gear and can adjust air inflow is provided with chamber；The rotor is close One end of the exhaust end of the stator casing is fixedly connected with output shaft.

2. turbocharging air motor as claimed in claim 1, it is characterised in that the interior inlet end without leave of the stator casing Gradually increase to exhaust end, the outer inlet end without leave of the rotor is gradually reduced to exhaust end.

3. turbocharging air motor as claimed in claim 1, it is characterised in that the admission gear includes and the stator The blower inlet casing that the inlet end of shell is tightly connected, the other end of the blower inlet casing is sealedly connected with valve, the inside of the valve Air inlet pipe is arranged with, the air inlet pipe is provided with the choke of energy oscillation adjustment air inflow near one end of the stator casing, The admission gear also includes air pressure distribution leaf that is that one end is fixedly connected with the blower inlet casing and arranging with the rotor coaxial Wheel, is provided with interior ring structure, between the end face of described air pressure distribution impeller one end and the internal ring structure axial direction inside the blower inlet casing Every admission space is constituted, the air inlet pipe is distributed impeller and is connected with the booster cavity by the admission space, the air pressure.

4. turbocharging air motor as claimed in claim 3, it is characterised in that the air pressure distribution impeller includes impeller axle Set portion, the center in the impeller sleeve portion arranges impeller central hole, and one end turning set of the speed adjusting gear is located at the leaf In wheel centre bore；On the end face of air pressure distribution impeller one end it is circumferentially spaced be provided with it is multiple with the interior ring structure against Axially position block, clearance space around the axially position block constitutes the admission space；Outside the impeller sleeve portion Circumferentially uniform intervals are provided with multiple impeller blades on wall, and each impeller blade is in the Pivot axle in the impeller sleeve portion Rotation is obliquely installed, and constitutes impeller blade gap between the two neighboring impeller blade, the air inlet pipe by the admission space, The impeller blade gap connects with the booster cavity.

5. turbocharging air motor as claimed in claim 3, it is characterised in that be provided with energy on the inwall of the air inlet pipe Control the first regulation magnetic piece of the choke maximum opening angle.

6. turbocharging air motor as claimed in claim 4, it is characterised in that the speed adjusting gear is located at including fixed cover Propeller shaft tube in the inner chamber of the rotor, the transmission shafts put axially disposed power transmission shaft via, the power transmission shaft Axle sleeve arranges the connection spindle nose that diameter reduces near one end of the admission gear, is provided with the connection spindle nose and the biography Spindle nose through hole that moving axis via is connected and insertion vertically, in the power transmission shaft via and the spindle nose through hole energy is equipped with Power transmission shaft in axial sliding, the connection spindle nose is rotated and worn by the impeller central hole, and the connecting shaft head rest is closely described One end of admission gear is fixed and is arranged deflection cone axle sleeve, and the power transmission shaft is fixedly connected with energy near one end of the admission gear The deflection cone that slide along the inner chamber of the deflection cone axle sleeve and can swing against the promotion choke, the deflection cone axle sleeve Side wall be provided with and can connect the air inlet pipe and the admission space and circumferentially arranged axle sleeve long permeable slot.

7. turbocharging air motor as claimed in claim 6, it is characterised in that the other end of the power transmission shaft is provided with directly The power transmission shaft boss of footpath increase, the position on the power transmission shaft positioned at the power transmission shaft via is arranged with spring, the spring One end is resisted against on the end face of the power transmission shaft boss, the other end of the spring be resisted against the connection spindle nose away from it is described enter On the end face of one end of mechanism of qi structure, the propeller shaft tube is fixedly installed near one end of the exhaust gear can be against promotion Power transmission shaft pushing structure in axial sliding.

8. turbocharging air motor as claimed in claim 7, it is characterised in that the pushing structure include one end with it is described Propeller shaft tube is fixedly connected and the other end is axially against the pushing structure positioning sleeve on the end face of the output shaft, described The speed governing hammer mechanism that can be swung is hinged with pushing structure positioning sleeve, being provided with the speed governing hammer mechanism can promote the transmission The bulge-structure that axle slides.

9. turbocharging air motor as claimed in claim 8, it is characterised in that be provided with the pushing structure positioning sleeve It is radially penetrating and be open be located at mounting groove of the pushing structure positioning sleeve on the end face of one end of the exhaust gear, The speed governing hammer mechanism is hinged in the mounting groove, the speed governing hammer mechanism includes the speed governing hammer that two radial symmetrics are arranged, institute The connecting portion that speed governing hammer includes being articulated with the mounting groove is stated, the axial location on the connecting portion positioned at the power transmission shaft sets The bulge-structure is put, two connecting portions are hinged near one end of the axial location of the power transmission shaft, the connection The radial outside in portion is fixedly connected that the oriented admission gear direction is extended and can radially put with rotor rotation Dynamic pendulum portion, is provided with the swinging chute swung for the pendulum portion on the inwall of the rotor.

10. turbocharging air motor as claimed in claim 3, it is characterised in that the inner chamber of the rotor near it is described enter One end turning set of mechanism of qi structure is on the other end outer wall that the air pressure distributes impeller；The inner chamber of the rotor is near the row One end of mechanism of qi structure is provided with the first step portion of diameter reduction, and one end of the output shaft is provided with output shaft boss, described The end face in the end face of output shaft boss and the first step portion against and the output shaft boss is solid with the first step portion Fixed connection.

11. turbocharging air motors as claimed in claim 1, it is characterised in that the exhaust gear includes being fixedly connected In the exhaust end cover of the exhaust end of the stator casing；It is circumferentially arranged on the exhaust end cover to have and connect with the booster cavity Steam vent, the center of the steam vent end cap arranges output shaft via, and the output shaft rotation is worn by the output Axle via.