CN103206258A

CN103206258A - Novel pneumatic motor

Info

Publication number: CN103206258A
Application number: CN2012100115947A
Authority: CN
Inventors: 陈园国
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-01-16
Filing date: 2012-01-16
Publication date: 2013-07-17

Abstract

The invention relates to a novel pneumatic motor which is formed by cooperation of one or more rotors with one or more fixed blades and one or more seal wheels with a single groove in an inner cavity of a housing, wherein the shafts of the seal wheels and the rotors are connected and fixed on cover plates of an upper housing and a lower housing; the seal wheels and the rotors are transmitted by mutually connecting through gears on corresponding shafts out of the inner cavity of the housing; a high pressure gas is only supplied to a seal cavity in a working area through gas inlets; the high pressure gas generates pressure to the blades in the working area; the pressure can be converted to force driving the rotors to rotate; rotary force on the rotors is transmitted to output shafts; no pressure is formed on the blades in a non-working area, the rotors are returned to the working area through the non-working area under the drive of the blades in the working area, so as to control supply and stop of the high pressure gas of each gas inlet, so that the blades can work in turn and generate the rotary force. The force on each blade is superposed on the output shafts, so that the force is not interrupted in a range of 360 degrees on the output shafts; the output shafts are driven to rotate; and continuous output of power is realized.

Description

The new model pneumatic motor

Affiliated technical field

The present invention relates to the new model pneumatic motor that a kind of pressure with pressurized gas can be converted into rotating mechanical energy.

Background technique

At present, known pneumatic motor can be divided into turbine-type and positive displacement two big classes by working principle; The most frequently used pneumatic motor mostly is positive displacement, and the positive displacement pneumatic motor can be divided into blade type, piston type, gear type and swing type etc. by its structural type, and is wherein the most frequently used with blade type and two kinds of piston types; Various forms of pneumatic motors respectively have pluses and minuses, are fit to different workplaces.

Summary of the invention

New model pneumatic motor of the present invention is divided into the positive displacement pneumatic motor by working principle, but is different from the positive displacement pneumatic motor of known structure form, and the present invention adopts the rotor of band stator blade and the form that the sealing wheel cooperatively interacts in the housing seal chamber.

The method applied in the present invention is: one or more rotor and one or more sealing wheel with single groove with one or more stator blade cooperatively interacts in the housing inner chamber the inside of upper and lower casing cover plate and frame formation, the axle of sealing wheel and rotor is fastened on the lower shell body by bearing, and sealing wheel and rotor interconnect by the gear on the outer axle separately of housing inner chamber and carry out mutual transmission; The annular seal space the inside work of each blade between rotor and housing rotor internal cavity, annular seal space is cut by the one or more sealings wheel that joins with rotor cylinder surface, make annular seal space be cut open working area into one or more blades, nonclient area, only provide pressurized gas to the Seal cage in the working area by suction port, pressurized gas produce pressure to the blade in the working area, pressure on the blade is converted into the power that drives the rotor rotation, blade drives self fixing rotor, other parts (other rotor of phase interlock, the sealing wheel, output shaft etc.) rotation, realize that the pressure of pressurized gas can be converted into the mechanical energy of rotation, be on the blade of nonclient area and do not have pressure, the blade that leans against the working area drives through nonclient area and goes back to the working area again, the confession of controlling each suction port pressurized gas with stop, each blade is taken turns to operate and produce the power of rotation, power on each blade is superimposed upon on the output shaft, make on the output shaft 360 ° of scope power uninterrupted, the drive output shaft rotates, and realizes the successive output of power.

The invention has the beneficial effects as follows, a kind of pneumatic motor of new model is provided, the pneumatic motor of this new model has multiple structural type, various structural types respectively have pluses and minuses, the structural type rotational speed height, the high working efficiency that have, the structural type rotational speed that has is low, running is steady, and the structural type complex structure, the efficient that have are low, are not suitable for making pneumatic motor.

Description of drawings

The present invention is further described below in conjunction with accompanying drawing.

Fig. 1 is the schematic diagram of a part of structure in the inventive method.

Fig. 2 be Fig. 1 a) shown in the workflow diagram of arrangement works one-period.

Fig. 3 be Fig. 1 a) shown in the simple and practical pneumatic motor structural drawing formed of structure.

Fig. 4 is Fig. 1 b) shown in the workflow diagram of arrangement works one-period.

Fig. 5 is Fig. 1 b) shown in the simple and practical pneumatic motor structural drawing formed of structure

Fig. 6 is Fig. 1 b) shown in four kinds of introductions simple in structure of structural type.

Fig. 7 is Fig. 1 c) shown in the simple introduction of multiple structure of structural type.

Fig. 8 is Fig. 1 d) shown in the simple introduction of multiple structure of structural type.

1. framies among the figure, 2. rotor, 3. sealing wheel, 4. blade, 5. suction port, 6. relief opening, 7. upper shell cover plate, 8. lower shell body cover plate, 9. exteranl gear, 10. sealing wheel gear, 11. main tracheae, 12. annular gas booking grooves, 13. fan-shaped gas booking grooves, 14. the branch bronchus, 15. output shafts, 16. frame rotor internal cavities, 17. frame sealing wheel inner chamber, 18. rotor shafts, 19. sealing wheel shafts.

Embodiment

In Fig. 1, Fig. 1 is structure the most basic in the inventive method a), be that a rotor with single stator blade (4) (2) and the sealing wheel (3) with single groove cooperate, structural feature: rotor (2) is contained in the frame rotor internal cavity (16) with one heart, form an annular seal groove between the cylindrical form interior surface of the cylndrical surface of rotor (2) and frame rotor internal cavity (16), the internal surface of the top of blade (4) and frame rotor internal cavity (16) joins, slidably seal simultaneously, rotor (2) is outer adorns the sealing wheel (3) that a mutual cylndrical surface can join, sealing wheel (3) cylndrical surface simultaneously with frame sealing wheel inner chamber (17) inner surface portion join (slidably sealing simultaneously); In frame (1) and housing cover seals out up and down Seal cage, the both ends of the surface up and down of blade (4), rotor (2) and sealing wheel (3) are joined with shell inner surface up and down, slidably seal simultaneously, the axle of rotor (2) and sealing wheel (3) is fastened on the lower shell body by bearing (sliding bearing or rolling bearing), sealing wheel (3) and rotor (2) interconnect by the gear on the outer axle separately of Seal cage and together rotate and transmission mutually, and rotor (2) and sealing wheel (3) need be done dynamic balancing for eccentric structure and handle.The many groups of the basic structure of Fig. 1 in a) are connected in parallel, can form multiple structure by merging housing, rotor and sealing wheel, can be divided into two kinds by structural type: a kind of is that a form (as Fig. 1 b) that cooperates with the rotor of single stator blade with the sealing of single groove wheel and two, three, four or five is exactly a kind of structure wherein), another kind be one with form (as Fig. 1 c) and Fig. 1 d of the rotor of a plurality of stator blades and a plurality of sealing wheel cooperations with single groove) be exactly structure wherein).Fig. 1 b) structure is equivalent to two picture group 1a) in basic structure be connected in parallel, two framies sealing wheel inner chambers are combined into a frame sealing wheel inner chamber (17), two sealing wheels are combined into a sealing wheel (3).Fig. 1 c) structure is equivalent to two picture group 1a) in basic structure be connected in parallel, two frame rotor internal cavities are combined into a frame rotor internal cavity (16), two rotors with single stator blade are combined into one with the rotor (2) of two stator blades (4).Fig. 1 d) structure is equivalent to three picture group 1a) in basic structure be connected in parallel, three frame rotor internal cavities are combined into a frame rotor internal cavity (16), three rotors with single stator blade are combined into one with the rotor (2) of three stator blades (4), and three sealing wheels are combined into two sealing wheels (3) simultaneously.

In Fig. 2, for Fig. 1 a) shown in the workflow diagram of arrangement works one-period, from Fig. 2 a) → Fig. 2 b) → Fig. 2 c) → Fig. 2 d) → Fig. 2 e) → Fig. 2 f) → Fig. 2 a) forms a work cycle.Characteristics in structure shown in Fig. 2: sealing wheel (3) is identical with the cylndrical surface diameter of rotor (2), gear on sealing wheel (3) axle and the gear on rotor (2) axle interconnect transmission, and speed ratio is 1: 1, and sealing wheel (3) is identical with rotor (2) rotational speed, sense of rotation is opposite; The contact place, cylndrical surface of sealing wheel (3) and rotor (2) is rolling friction, fricton-tight friction, and frictional force is little mutually; Sealing wheel (3) cylndrical surface and rotor (2) can play airtight effect when the cylndrical surface joins; The structure of sealing wheel (3) and rotor (2) is eccentric structure, need do the dynamic balancing design.At Fig. 2 a) during the position, the cylindrical of sealing wheel (3) just joins with frame sealing wheel inner chamber (17) internal surface that suction port (5) is located, the cylindrical of sealing wheel (3), the cylindrical of rotor (2), frame rotor internal cavity (16), blade (4) locates to form seal area at suction port (5), last, the common airtight Seal cage that just forms down of lower shell body cover plate, inject pressurized gas by suction port (5) to Seal cage, high pressure air is known from experience all participate in the parts generation pressure of sealing around the Seal cage, to last, the lower shell body cover plate, frame (1), rotor (2), the pressure that sealing wheel (3) produces all mechanical strength and the interconnective structure of reliable each parts is contended with, can not produce displacement and rotation, having only the pressure to blade (4) is the tangent direction of rotor (2) cylndrical surface, this power makes blade (4) drive rotor (2) rotation, power realizes that by the axle center output of rotor (2) pressure of pressurized gas can be converted to the mechanical energy of rotation.The pressure of pressurized gas promotes blade (4) and drives rotor (2) to Fig. 2 b). Fig. 2 c) the position rotation, blade (4) is also discharged the gas in the direction of advance annular chamber simultaneously by relief opening (6), before blade (4) arrives relief opening (6) position, must select the correct position cut-out to the air feed of suction port (5), when blade (4) process relief opening (6), the unnecessary pressurized gas of Seal cage are discharged through relief opening (6), blade is not had pressure again on (4), blade (4) could continue rotation with rotor (2) by other mechanism urges, Fig. 2 d). Fig. 2 e). Fig. 2 f) three positions be blade (4) by the groove of sealing wheel (3) through figure, blade (4) does not contact (zerofriction force) each other with the groove internal surface that (3) are taken turns in sealing.When going back to Fig. 2 again a) during the position, even if a work cycle is finished.Blade (4) drive rotor (2) from Fig. 2 a) → Fig. 2 b) → Fig. 2 c) this section stroke is the working area, from Fig. 2 c) → Fig. 2 d) → Fig. 2 e) → Fig. 2 f) → Fig. 2 a) this section stroke be nonclient area.Structure shown in Figure 2 is as long as just can realize reverse function very easily with suction port (5) and relief opening (6) exchange.There is the driving force blind area in structure in the independent picture group 2, and two groups of series connection of structure of having introduced among Fig. 3 among a kind of Fig. 2 reach the simple and practical pneumatic motor structural drawing of energy spinning purpose.Structure among Fig. 2, its pressurized gas are for the position suitable with stopping necessary selection, therefore must there be a mechanism to control, this mechanism is referred to as air-distributing aid mechanism, the effect of air-distributing aid mechanism is to control the confession of the pressurized gas of suction port on time and stop, and air-distributing aid mechanism can be multiple structural type, and it is not emphasis of the present invention, do not do too much narration in the present invention, only in Fig. 5, simply introduce a kind of structure.

In Fig. 3, two picture group 1a) the simple and practical pneumatic motor that structural type is composed in series shown in, two rotors (2) are fixed on the roots rotor axle (18) jointly, two sealing wheels (3) are fixed on the sealing wheel shaft (19) jointly, rotor shaft (18) and sealing wheel shaft (19) are fixed on upper shell (7) and the lower shell body (8) by sliding bearing, rotor shaft (18) and sealing wheel shaft (19) interconnect transmission by exteranl gear (9) and sealing wheel gear (10), and rotor shaft (18) lower end is done output shaft (15) simultaneously and used.The working principle of independent one group of structure by the agency of in Fig. 2 does not just repeat here.Under auxiliary distribution device cooperates, blade (4) shown in B-B section among Fig. 3 and C-C section can both produce power (the fan-shaped angle of the actual generation power of structure can reach about 240 ° among the figure) in the scope of fan-shaped (greater than 180 °), the position of two blades (2) work is staggered 180 °, power on two blades (4) staggers 180 ° and is superimposed upon on the output shaft, make uninterrupted (the power effect in the zone that is actually of the last 360 ° of scope power of output shaft (15), two the power actings in conjunction in the zone that has), drive output shaft (15) and rotate continuously, realize the successive output of power.As long as the confession of the pressurized gas of regulate supplying with, stop the size with air pressure, just can control easily pneumatic motor commentaries on classics, stop, the size of rotational speed and outputting power.

In Fig. 4, Fig. 1 b) workflow diagram of arrangement works shown in one-period, characteristics in structure shown in Fig. 4: sealing wheel (3) is identical with the cylndrical surface diameter of rotor (2), gear on sealing wheel (3) axle and the gear on rotor (2) axle interconnect transmission, and speed ratio is 1: 1, and sealing wheel (3) is identical with rotor (2) rotational speed, sense of rotation is opposite.From Fig. 4 a) → Fig. 4 b) → Fig. 4 c) → Fig. 4 d) → Fig. 4 e) → Fig. 4 f) → Fig. 4 a) forms a work cycle, rotor (2), blade (4), suction port (5), relief opening (6) are two in the drawings, are adding left and right the differentiation before the title separately during explanation.At Fig. 4 a) during the position, left and right two blades (4) all are in the working area, air-distributing aid mechanism injects pressurized gas by left and right suction port (5) to Seal cage, the pressure of pressurized gas promotes left and right blade (4) and drives left and right rotor (2) rotation, and left and right blade (4) is also discharged the gas of direction of advance annular chamber simultaneously by left and right relief opening (6).At Fig. 4 b) during the position, lobus dexter sheet (4) works on, lobus sinister sheet (4) arrives left bank gas port (6), distribution device cuts off the air feed to left suction port (5), when lobus sinister sheet (4) process left bank gas port (6), the unnecessary pressurized gas of Seal cage are discharged through left bank gas port (6), and the lobus sinister sheet is not had pressure again on (4), and lobus sinister sheet (4) promotes to continue rotation by the lobus dexter sheet (4) of gear interlock.At Fig. 4 c) during the position, lobus dexter sheet (4) works on, and lobus sinister sheet (4) is by the groove of sealing wheel (3).At Fig. 4 d) during the position, lobus dexter sheet (4) works on, and lobus sinister sheet (4) has just entered the working area, and air-distributing aid mechanism injects pressurized gas by left suction port (5) to Seal cage, and lobus sinister sheet (4) is started working.At Fig. 4 e) during the position, lobus sinister sheet (4) works on, lobus dexter sheet (4) arrives right relief opening (6), air-distributing aid mechanism cuts off the air feed to right suction port (5), when lobus dexter sheet (4) the right relief opening of process (6), the unnecessary pressurized gas of Seal cage are discharged through right relief opening (6), and the lobus dexter sheet is not had pressure again on (4), and lobus dexter sheet (4) promotes to continue rotation by the lobus sinister sheet (4) of gear interlock.At Fig. 4 f) during the position, lobus sinister sheet (4) works on, and lobus dexter sheet (4) is by the groove of sealing wheel (3).Again go back to Fig. 4 a) during the position, even if a work cycle is finished.

In Fig. 5, be Fig. 1 b) shown in the simple and practical pneumatic motor structural drawing formed of structural type, two suction ports (5) and two relief openings (6) all are located on the upper shell (7), air-distributing aid mechanism is made of together upper shell (7) and sealing wheel shaft (19), main tracheae (11) on the upper shell (7) by the annular gas booking groove (12) in sealing wheel shaft (19) to fan-shaped gas booking groove (13) air feed, fan-shaped gas booking groove (13) again by two the branch bronchuses (14) on the upper shell (7) to two suction ports (5) air feed, the fan-shaped angle of the working area of the fan-shaped angle of fan-shaped gas booking groove (13) and rotor (2) is harmonious, fan-shaped gas booking groove (13) is only to the suction port that is in the working area (5) air feed, two blades (4) take turns to operate under the cooperation of the fan-shaped gas booking groove (13) that rotates with sealing wheel shaft (19), the working area of two blades (4) is staggered 180 °, each scope at one fan-shaped (greater than 180 °) of two blades (4) produces power, power on two blades (4) goes up (sealing wheel shaft lower end is done output shaft simultaneously) by being superimposed upon exteranl gear (9) and being connected of sealing wheel gear (10) output shaft (15), make the last 360 ° of scope power of output shaft (15) uninterrupted, drive output shaft (15) and rotate, realize the successive output of power.

In Fig. 6, be Fig. 1 b) shown in four kinds of introductions simple in structure of structural type, this structural type has only four kinds of structures, is a sealing wheel and two to five structures with the rotor cooperation of single stator blade.The characteristics of this structural type are: the cylndrical surface diameter of sealing wheel and rotor is identical, rotational speed is identical, sense of rotation is opposite.Fig. 6 is the structural type that two rotors (2) cooperate with a sealing wheel (3) a), Fig. 6 b) is the structural type that three rotors (2) cooperate with a sealing wheel (3), Fig. 6 c) be the structural type that four rotors (2) cooperate with a sealing wheel (3), Fig. 6 d) be the structural type that five rotors (2) cooperate with a sealing wheel (3).Their working principle is basic identical, and Fig. 6 structure a) is told about in Fig. 4.Owing to join in the cylndrical surface that this structural type rotor and sealing are taken turns and the cylndrical surface diameter identical, when rotor is six, the cylndrical surface of six rotors joins, position dress blade can not be arranged again, therefore the form that in this structural type, adopts five rotors to cooperate with a sealing wheel at most.The pneumatic motor that structural type among Fig. 6 constitutes, simple in structure, the rotational speed height, high working efficiency, but rotor discontinuity equalization, smoothness of operation is poor.

In Fig. 7, be Fig. 1 c) shown in the simple introduction of multiple structure of structural type, as Fig. 7 a) and Fig. 7 b) shown in the constructive method of structure, this structural type also has more structural, as four sealing wheels join a rotor with four stator blades, five sealing wheels are joined one with the rotor of five stator blades, be to join one with the rotor of infinite stator blade for infinite sealing wheel in theory, determine as required in the practical application, when the quantity that cooperates is too much, complex structure not only, and efficient is low, is not suitable for making pneumatic motor.The characteristics of this structural type are: the quantity of sealing wheel identical with the quantity of blade (two sealings are taken turns two blades, three sealing wheels three blades), and the sealing wheel is evenly distributed in outside the rotor, and blade is evenly distributed on the rotor; The rotational speed of sealing wheel is the several times of rotary speed of rotator, and its multiple is identical with the quantity of blade, for example at Fig. 7 b) rotor (2) has four blades (4), and the rotational speed that (3) are taken turns in its sealing is four times of rotor (2) rotational speed; The diameter of rotor is the several times of the diameter of sealing wheel, and its multiple is identical with the quantity of blade, for example at Fig. 7 b) rotor (2) has four blades (4), and the diameter of its rotor (2) is that four times of diameter of (3) are taken turns in sealing; The contact place, cylndrical surface of sealing wheel and rotor is rolling friction, fricton-tight friction, and frictional force is little mutually.The pneumatic motor of this structural type, each blade enters the working area simultaneously, arrives nonclient area simultaneously, and there is the driving force blind area in independent one group of structure, can adopt the method among Fig. 3, two or more sets series connection, realizing can the spinning purpose.The pneumatic motor that structural type among Fig. 7 constitutes, rotational speed is low, but the rotor stress equalization, smoothness of operation is good.

In Fig. 8 be, the simple introduction of the multiple structure of structural type Fig. 1 d), as Fig. 8 a) and Fig. 8 b) shown in the constructive method of structure, this structural type also has more structural, as four sealing wheels join a rotor with five stator blades, five sealing wheels are joined one with the rotor of six stator blades, be to be infinite a plurality of fitting methods in theory, determine as required in the practical application, when the quantity that cooperates is too much, complex structure not only, and efficient is low, is not suitable for making pneumatic motor.The characteristics of this structural type are: the quantity of sealing wheel is lacked one than the quantity of blade, and the sealing wheel is evenly distributed in outside the rotor, and blade is evenly distributed on the rotor; The rotational speed of sealing wheel is the several times of rotary speed of rotator, and its multiple is identical with the quantity of blade, for example at Fig. 8 b) rotor (2) has four blades (4), and the rotational speed that (3) are taken turns in its sealing is four times of rotational speed of rotor (2); The diameter of rotor is the several times of the diameter of sealing wheel, and its multiple is identical with the quantity of blade, for example at Fig. 8 b) rotor (2) has four blades (4), and the diameter of its rotor (2) is that four times of diameter of (3) are taken turns in sealing; The contact place, cylndrical surface of sealing wheel and rotor is rolling friction, fricton-tight friction, and frictional force is little mutually.Structural type shown in Figure 8 is very similar to structural type shown in Figure 7, but two kinds of structural types have very big difference again, there is driving force blind area (can not realize the spinning purpose) in the independent one group of structure of structural type shown in Figure 7, and the independent one group of structure of structural type shown in Figure 8 can realize the spinning purpose.Be example with the structure of Fig. 8 shown in a), two sealing wheels (3), the 180 ° of distributions of staggering, three blades (4) stagger 120 ° and are distributed on the rotor (2), an independent blade (4) rotates a circle and can twice process sealing take turns (3), an independent blade (4) rotates a circle and can produce power at 180 ° two fan-shaped ranges of staggering, three blades (4) stagger 120 ° and take turns to operate, be equivalent on rotor (2) circumference average mark be furnished with 6 fan-shaped ranges can the generation power, as long as each fan-shaped range is greater than 60 °, just can make the last 360 ° of scope power of rotor (2) uninterrupted, the drive output shaft rotates, in fact 6 fan-shaped ranges that produce power of the structure of Fig. 8 shown in a) can reach about 90 °, can make the last 360 ° of scope power of rotor (2) uninterrupted fully.

Claims

1. the pressure with pressurized gas can be converted into the new model pneumatic motor of rotating mechanical energy, and it comprises: upper shell cover plate, lower shell body cover plate, frame, sealing wheel, rotor, sealing wheel gear, exteranl gear, sealing wheel shaft, rotor shaft, output shaft, suction port, relief opening; The most basic structure of new model pneumatic motor is that the structure that cooperates is taken turns in rotor and the sealing with single groove with single stator blade, be connected in parallel by the many groups of basic structure, can form multiple structure by merging housing, rotor, sealing wheel, can be divided into two kinds by structural type: a kind of is forms that cooperate with the rotor of single stator blade with the sealing of single groove wheel and two, three, four or five, another kind be one with the form of the rotor of a plurality of stator blades and a plurality of sealing wheel cooperations with single groove; The new model pneumatic motor that various structures are formed is characterized in that: one or more rotor and one or more sealing wheel with single groove with one or more stator blade cooperatively interacts in the housing inner chamber the inside of upper and lower casing cover plate and frame formation; The axle of rotor and sealing wheel is fastened on the upper and lower casing cover plate by bearing; Sealing wheel and rotor interconnect by the gear on the outer axle separately of housing inner chamber and carry out mutual transmission; Pressurized gas have only the power that can be converted to rotation to the pressure of blade; The confession of controlling each suction port pressurized gas with stop, each blade taken turns to operate and produce the power of rotation, the power on each blade is superimposed upon on the output shaft, makes on the output shaft 360 ° of scope power uninterrupted, drives output shaft and rotates, and realizes the successive output of power.

2. require described new model pneumatic motor according to right 1, it is characterized in that: epitrochanterian stator blade shape can be thin slice shape, trapezoidal or sharp-tooth shaped.