CN202866900U - Pneumatic vane motor - Google Patents
Pneumatic vane motor Download PDFInfo
- Publication number
- CN202866900U CN202866900U CN 201220568975 CN201220568975U CN202866900U CN 202866900 U CN202866900 U CN 202866900U CN 201220568975 CN201220568975 CN 201220568975 CN 201220568975 U CN201220568975 U CN 201220568975U CN 202866900 U CN202866900 U CN 202866900U
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- Prior art keywords
- rotor
- stator
- blade
- pneumatic
- air outlet
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- Expired - Fee Related
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Abstract
The utility model discloses a pneumatic vane motor. The pneumatic vane motor comprises a stator, a rotor and vanes, wherein the rotor is arranged in the cavity of the stator, vane grooves are formed in the rotor, the vanes are connected with the vane grooves, an eccentric design manner is adopted between the stator and the rotor, the number of the vanes is less than or equal to 4, the width of the vanes is at least 31mm, the thickness of the vanes is at least 4.8mm, an air inlet and an air outlet are arranged on the stator, the air inlet comprises at least eight air inlet holes, an interval angle between the air inlet holes is at least 15 degrees, the air outlet comprises at least five air outlet holes, and an interval angle between the air outlet holes is less than or equal to 15 degrees. According to the manner, the pneumatic vane motor has the advantages that the factor of poor dynamic balance performance of the rotor is avoided under the condition that the total mass of the rotor of the pneumatic vane motor can be ensured, the dynamic balance of the rotor is absolutely guaranteed, the shaft power of the pneumatic motor is increased, the product performance is increased, the machining cost is saved, and the economic benefit is increased.
Description
Technical field
The utility model relates to the Pneumatic water pump field, particularly relates to a kind of pneumatic vane motor.
Background technique
Pneumatic motor is that coal industry is brought into use in the explosion-proof chemical plant and progressively grown up with needing in the colliery that easily produces explosive gas as water pump prime mover.The rotary vane pneumatic motor is that positive displacement pneumatic motor a kind of has the unexistent advantageous characteristic of other prime mover such as motor, internal-combustion engine.Under the condition of easily on fire, explosive, easy-to-rust, namely in place that inflammable gas occurs, the place work of swimming in the place that moisture is too much, corrosive material is not because pneumatic motor produces spark and high temperature heating, therefore it is not subjected to the like that strict restriction of other prime mover, do not need the expense of the such anti-explosion mechanism of flower motor, the output power of unit weight and volume is all large than other prime mover, therefore, the water pump that uses pneumatic motor to make can be done to such an extent that volume is little, and is lightweight.When overloading, rotational speed is descended, even shut down, in case when the overload removal, motor just can start again, the unlikely machine that burns.Fast (instantaneous) starting with shut down, by the cooling that the adiabatic expansion of air produces, pneumatic motor can be controlled the frictional heating of each motive position, can be from blowdown firing.There is load running more more favourable than no-load running from the cooling angle.No matter the mounting point is level or vertically all right.Therefore pneumatic motor has long history, pass through again all improvement, that therefore can do is sturdy and durable reliable, easy to maintenance.
But pneumatic motor needs the costs of equipment such as air compressing, and the equipment operation and maintenance cost is also high than other prime mover, is 2 times of common motor, and capacity usage ratio is lower than other prime mover.So the requirement of pendulum in face of the artificer is to develop (that is to say under equal cylinder inside/outside diameter size height condition) under the much compression air mass flow prerequisite, carry out unique rotor design, the physical dimension of rotor is designed in the lit range, improve the throw of eccentric of pneumatic motor, increase the area of the outstanding rotor of blade.Because many institutes, the pressure difference of blade produced before and after the moment of torsion of pneumatic vane motor acted on, be created in the moment of torsion of output shaft, follow the blade area of releasing in the rotor, pressure difference and moment of torsion radius (releasing the distance at part center from the rotor center to the blade) are directly proportional, so want to strengthen output torque, as long as strengthen these parameters.
Throw of eccentric is the important means that the blade gas motor can change the J compressed air pressure into mechanical energy, in the situation that cylinder inside/outside diameter size, height and other conditions are identical, throw of eccentric is larger, engine output is larger, but the outstanding area one of blade strengthens, with regard to producing some problems that seal between blade and the cylinder, if seal inappropriate, leakage loss will increase, and efficient will descend.As add the outstanding area of high pulling torque radius and blade, and must strengthen cylinder bore diameter, so, it is large that the peripheral velocity of blade becomes, and the wearing and tearing of blade are accelerated, and the life-span reduces.Lubricating status is bad between blade and the blade groove, and the frictional force of this part is also larger than the power of releasing blade, can cause the phenomenon of blade and stator gap, and cause internal leakage, and efficient also can descend.
The model utility content
The technical problem that the utility model mainly solves provides a kind of pneumatic vane motor, can energy-saving and emission-reduction, reduce labor intensity, and lower cost of production, improve air horsepower.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of pneumatic vane motor is provided, comprise: stator, rotor, blade, described rotor is located in the described stator cavity volume, described rotor is provided with blade groove, described blade is connected with described blade groove, be set for the eccentric between described stator and the rotor, the quantity of described blade is less than or equal to 4, width is 31mm at least, thickness is 4.8mm at least, offer suction port and air outlet on the described stator, described suction port comprises at least 8 inlet holes, at least 15 ° of the interval angles between described each inlet hole, described air outlet comprises at least 5 air outlet holes, and the interval angle between described each air outlet hole is less than or equal to 15 °.
In preferred embodiment of the utility model, the eccentric distance between described stator and the rotor is 9mm.
In preferred embodiment of the utility model, described diameter of stator bore is 90mm, and described root diameter is 72mm.
In preferred embodiment of the utility model, described blade quantity is 4.
In preferred embodiment of the utility model, described width of blade is 31mm, and thickness is 4.8mm.
The beneficial effects of the utility model are: the utility model pneumatic vane motor can be guaranteed under the prerequisite of pneumatic vane motor rotor gross mass, removed the technique of epitrochanterian brill lightening core, avoided the factor of rotor dynamic balancing poor performance, the absolute dynamic balancing that guarantees rotor, increased the air horsepower of pneumatic motor, improve product performance, saved processing cost, improved economic benefit.
Description of drawings
Fig. 1 is the structural representation of the utility model pneumatic vane motor one preferred embodiment;
The mark of each parts is as follows in the accompanying drawing: 1, stator, 2, rotor, 3, blade, 4, inlet hole, 5, air outlet hole.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that protection domain of the present utility model is made more explicit defining.
See also Fig. 1, the utility model is embodiment comprise:
A kind of pneumatic vane motor comprises: stator 1, rotor 2, blade 3, described rotor are located in described stator 1 cavity volume, and described rotor 2 is provided with blade groove, and described blade 3 is connected with described blade groove.
Described stator 1 internal diameter is 90mm, and described rotor 2 diameters are 72mm.Be set for the eccentric between described stator 1 and the rotor 2.Eccentric distance between described stator 1 and the rotor 2 is 9mm.
In like product, in the situation that stator 1 internal diameter is constant, existing rotor 2 diameters are 74mm, in the design limit scope, dwindled rotor 2 diameters, the utility model is designed to 72mm with it, throw of eccentric between prior art stator 1 and the rotor 2 is 8mm, the utility model is increased to 9mm with it, has increased the air horsepower of pneumatic motor, has greatly promoted product performance and has saved processing cost.
The quantity of described blade 3 is less than or equal to 4, and the quantity of preferred structure Leaf 3 of the present utility model is 4, and its width equals 31mm, and thickness equals 4.8mm.Than prior art, removed the brill lightening core on the rotor 2, guaranteed the gross mass of rotor 2, quantitatively be reduced to 4 at blade 3, increased the volume between the adjacent blades 3, can reach rotor 2 dynamically balanced requirements fully.
Offer suction port and air outlet on the described stator 1, described suction port comprises at least 8 inlet holes 4, at least 15 ° of interval angles between described each inlet hole 4, described air outlet comprises at least 5 air outlet holes 5, the interval angle between described each air outlet hole 5 is less than or equal to 15 °.
The utility model has been readjusted position and the angle of cylinder intake and exhaust, strengthen inlet hole 4, reduce suction pressure, reduce the moment leakage, make blade 3 areas of releasing from rotor 2, pressure difference and moment of torsion radius are proportional, reach larger in suction port moment working room, expansion ratio is larger, and the amount of work of pneumatic motor is just larger.
Table 1: the pneumatic submersible pump data of coal industry standard MT/T315-92 middle period chip
Table 2: the data of the pneumatic submersible pump of blade type of the present utility model
Listed flow, lift, efficient are the design point values during take the normal temperature clear water as medium in the table.
Data Comparison by table 1 and table 2, can find out that the overall efficiency after the improvement has surpassed the former design of MT/T315-92 standard more than 50%, with the submersible electrical water pump contrast with power, it is lightweight that the pneumatic submersible pump of blade type has reached complete machine, movement, maintaining are conveniently, efficient has also surpassed electric pump, and is safe and reliable.
The utility model pneumatic vane motor can be guaranteed under the prerequisite of pneumatic vane motor rotor 2 gross masses, removed the technique of the brill lightening core on the rotor 2, avoided the poor factor of rotor 2 dynamic balance performances, the absolute dynamic balancing that guarantees rotor 2, increased the air horsepower of pneumatic motor, improve product performance, saved processing cost, improved economic benefit.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (5)
1. pneumatic vane motor, it is characterized in that, comprise: stator, rotor, blade, described rotor is located in the described stator cavity volume, described rotor is provided with blade groove, described blade is connected with described blade groove, be set for the eccentric between described stator and the rotor, the quantity of described blade is less than or equal to 4, and width is 31mm at least, thickness is 4.8mm at least, offer suction port and air outlet on the described stator, described suction port comprises at least 8 inlet holes, at least 15 ° of the interval angles between described each inlet hole, described air outlet comprises at least 5 air outlet holes, and the interval angle between described each air outlet hole is less than or equal to 15 °.
2. pneumatic vane motor according to claim 1 is characterized in that, the eccentric distance between described stator and the rotor is 9mm.
3. pneumatic vane motor according to claim 1 is characterized in that, described diameter of stator bore is 90mm, and described root diameter is 72mm.
4. pneumatic vane motor according to claim 1 is characterized in that, described blade quantity is 4.
5. pneumatic vane motor according to claim 1 is characterized in that, described width of blade is 31mm, and thickness is 4.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220568975 CN202866900U (en) | 2012-11-01 | 2012-11-01 | Pneumatic vane motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220568975 CN202866900U (en) | 2012-11-01 | 2012-11-01 | Pneumatic vane motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202866900U true CN202866900U (en) | 2013-04-10 |
Family
ID=48033625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220568975 Expired - Fee Related CN202866900U (en) | 2012-11-01 | 2012-11-01 | Pneumatic vane motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202866900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877889A (en) * | 2012-11-01 | 2013-01-16 | 窦敏江 | Blade type pneumatic motor |
-
2012
- 2012-11-01 CN CN 201220568975 patent/CN202866900U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877889A (en) * | 2012-11-01 | 2013-01-16 | 窦敏江 | Blade type pneumatic motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20141101 |
|
| EXPY | Termination of patent right or utility model |