CN218206853U

CN218206853U - Rotor structure and novel rotor engine with same

Info

Publication number: CN218206853U
Application number: CN202222419612.7U
Authority: CN
Inventors: 刘选科; 魏智辉; 王皓; 党娅周; 梁建玲; 亓累全; 杨丰丰; 丁娜
Original assignee: Xi'an Aero Space Engine & Smart Manufacturing Institute Co ltd
Current assignee: Xi'an Aero Space Engine & Smart Manufacturing Institute Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-01-03
Anticipated expiration: 2032-09-13

Abstract

The utility model provides a rotor structure and have this rotor structure's novel rotor engine, including rotor body, air inlet and gas vent have radially been seted up along it on the rotor body, set up the intake duct with the air inlet intercommunication on rotor body's a side, set up the exhaust passage with the gas vent intercommunication on rotor body's the another side. The utility model discloses a set up when the air inlet and outlet mouth/way can effectively improve the engine and admit air at rotor structure, also reduced the complexity of engine cylinder body design when improving the cylinder coefficient of inflating.

Description

Rotor structure and novel rotor engine with same

Technical Field

The utility model relates to a rotor engine technical field, in particular to rotor structure and have this rotor structure's novel rotor engine.

Background

The Wankel triangle rotor engine is widely applied to the field of aviation unmanned aerial vehicles, has the advantages of small volume, simple structure, high power density and the like, but has smaller engine compression, low engine thermal efficiency and high oil consumption due to the structural characteristics. The combustion surface of the engine cylinder is fixed and easy to cause local thermal load and large thermal deformation of the cylinder to cause air leakage, thereby causing power attenuation. And meanwhile, the radial sealing sheet arranged at the top end of the rotor is in high-speed inlet and outlet in the rotating process of the rotor structure, so that a large amount of lubricating oil is thrown into a combustion chamber and is burnt, and the emission is deteriorated while the consumption of the lubricating oil is greatly increased. In addition, the Wankel triangle rotor engine has poor torque characteristics in a low rotating speed range, and further limits the application range of the similar engine.

The rotor structure of prior art must set up rotor inboard axis position with phase gear, is unfavorable for the heat dissipation muscle to arrange, causes rotor combustion face intensity to weaken the problem simultaneously easily. The whole heat load of the rotor is high due to the fact that continuous work is done and heat dissipation cannot be conducted timely in the operation process, the sealing sheet arranged at the top end of the rotor is difficult to lubricate, carbon deposits are easily generated in the operation process of the engine, air leakage is caused due to blocking, the power of the engine is reduced, emission is worsened, and the fatigue life of the rotor and the reliability of the engine are greatly reduced.

In addition, in the engine in the prior art, an air inlet and an air outlet are designed on the cylinder body, the air inlet and the air outlet are switched by the rotation of the rotor structure, the compression volume and the expansion volume of the engine are the same, and the expansion work-doing capacity is relatively low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rotor structure and have this rotor structure's novel rotary engine has solved the unbalanced problem of rotor structure heat load among the prior art.

The technical scheme of the utility model is realized through following mode: the rotor structure comprises a rotor body, wherein an air inlet and an air outlet are formed in the rotor body along the radial direction of the rotor body, an air inlet channel communicated with the air inlet is formed in one side face of the rotor body, and an air exhaust channel communicated with the air outlet is formed in the other side face of the rotor body.

Optionally, the radial cross-sectional shape of the rotor body is a kidney-shaped structure.

Optionally, the rotor further comprises 8-shaped grooves formed in two side faces of the rotor body, the 8-shaped grooves are formed in the edges of the two outer side faces of the rotor body, and the longitudinal section of each 8-shaped groove is rectangular.

Optionally, the sealing device further comprises a sealing strip and a sealing spring which are arranged in the 8-shaped groove.

Optionally, the air inlet and the axial direction of the long axis of the rotor body form an included angle of 40-45 degrees, and the air outlet and the axial direction of the long axis of the rotor body form an included angle of 60-65 degrees.

Optionally, the air inlet passage and the air outlet passage are both arc-shaped structures, and the angular span of each arc-shaped structure is 70-80 degrees.

Optionally, a bearing mounting hole is formed in the center of the rotor body, and a plurality of heat dissipation holes are formed in the two side faces of the rotor body along the circumferential direction of the bearing mounting hole.

Optionally, the rotor further comprises a plurality of lightening holes arranged on one side surface of the rotor body along the circumferential direction of the bearing mounting hole and a plurality of pin holes arranged on the other side surface along the circumferential direction of the bearing mounting hole.

The novel rotary engine is provided with the rotor structure, and the rotor structure is installed on a main shaft of the novel rotary engine through a bearing installation hole.

The utility model has the advantages that:

(1) The rotor structure of the utility model can effectively improve the air leakage risk of the combustion chamber caused by thermal deformation of the cylinder body by arranging the air inlet and the air outlet on the rotor body, and the air inlet and exhaust structure is transferred from the cylinder body to the rotor structure, so that the air inlet and exhaust phase design of the engine is more flexible, and meanwhile, the air inlet and exhaust channel and the combustion chamber are arranged at the two ends of the 8-shaped rotor, so that the rotor cooling design is more flexible and effective;

(2) The utility model reduces the weight of the rotor and effectively reduces the problem of overhigh heat load caused by continuous work in the process of rotor operation by arranging the heat dissipation holes on the rotor body;

(3) The utility model converts the radial sealing of the rotor from the moving structure of the prior art into the fixed structure through the sealing strip and the sealing spring which are arranged in the 8-shaped groove, reduces the number of key moving parts of the rotor engine, and improves the reliability of the sealing system of the engine;

(4) The utility model discloses the rotor structure that is provided with on novel rotary engine can effectively improve compression ratio and thermal efficiency and engine complete machine power.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a rotor structure according to the present invention;

FIG. 2 is a schematic view of a rotor structure (including an air inlet and an air inlet) according to the present invention;

fig. 3 is a schematic structural diagram of a rotor structure (including an exhaust port and an exhaust passage) according to the present invention.

Reference numerals

The structure comprises a rotor body 1, a rotor body 2, an air inlet 2, an air outlet 3, an air inlet 4, an air outlet 5, a groove 6-8 in shape, a bearing mounting hole 7, a heat dissipation hole 8, a weight reduction hole 9, a pin hole 10 and a phase external gear mounting surface 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-3, a rotor structure comprises a rotor body 1, wherein an air inlet 2 and an air outlet 3 are radially arranged on the rotor body 1 along the rotor body, an air inlet 4 communicated with the air inlet 2 is arranged on one side surface of the rotor body 1, and an air outlet 5 communicated with the air outlet 3 is arranged on the other side surface of the rotor body 1.

In this structure, the intake port 2 and the intake passage 4 communicate with each other to form an intake flow path, and the exhaust port 3 and the exhaust passage 5 communicate with each other to form an exhaust flow path.

Optionally, the radial cross-sectional shape of the rotor body 1 is a kidney-shaped structure.

In this structure, the middle points of the opposite sides of the rotor body 1 are recessed toward the bearing mounting hole 7, forming a substantially 8-shaped kidney-shaped structure.

Optionally, the rotor further comprises 8-shaped grooves 6 formed in two side faces of the rotor body 1, the 8-shaped grooves 6 are formed along edges of two outer side faces of the rotor body 1, and the longitudinal section of each 8-shaped groove 6 is rectangular.

Optionally, the engine further comprises a sealing strip and a two-half type wave-shaped sealing spring which are arranged in the 8-shaped groove 6, and the sealing strip and the sealing spring are arranged in a common arrangement mode of a traditional triangle rotor engine.

Optionally, the air inlet 2 and the axial direction of the long axis of the rotor body 1 form an included angle of 40-45 degrees, and the air outlet 3 and the axial direction of the long axis of the rotor body 1 form an included angle of 60-65 degrees.

In this structure, the sectional area of the opening of the intake port 2 is at most 480 square millimeters, and the sectional area of the opening of the exhaust port 3 is at most 270 square millimeters.

Optionally, the inlet duct 4 and the exhaust duct 5 are both arc-shaped structures, and the angle of the arc-shaped structures is 70-80 degrees on the rotor according to the intake and exhaust timing calculation.

Optionally, a bearing mounting hole 7 is formed in the center of the rotor body 1, and a plurality of heat dissipation holes 8 are formed in the two side surfaces of the rotor body 1 along the circumferential direction of the bearing mounting hole 7.

In the structure, the bearing mounting holes 7 are used for mounting bearings so as to transmit mechanical motion of the rotor structure to the main shaft, and the heat dissipation holes 8 can improve the heat dissipation efficiency of the rotor by utilizing fresh incoming flow while lightening the mass of the rotor.

Optionally, the rotor further comprises a plurality of lightening holes 9 formed in one side surface of the rotor body 1 along the circumferential direction of the bearing mounting hole 7 and a plurality of pin holes 10 formed in the other side surface of the rotor body 1 along the circumferential direction of the bearing mounting hole 7.

In the structure, the lightening holes 9 are used for balancing the rotor structure, so that the unbalance generated when the rotor body 1 moves is reduced; the pin hole 10 is used for positioning and fixing a novel rotor engine phase external gear, and a phase external gear mounting surface 11 ensures that an external gear flange surface is lower than the end surface of the rotor body 1.

Example 2

On the basis of embodiment 1, a novel rotor engine is provided with the rotor structure, and the rotor structure is installed on a main shaft of the novel rotor engine through a bearing installation hole 7. And an external gear arranged on the rotor is meshed with the internal gear to limit the motion law of the rotor.

By adopting the structure, the novel rotor engine can effectively improve the compression ratio and the heat efficiency of the engine, because the expansion volume of the novel engine provided with the rotor with the structure is larger, the expansion work-doing capability of the engine is fully utilized, the work-doing efficiency is higher, and the specific oil consumption is greatly reduced; meanwhile, the lubricating condition of the radial sealing sheet is improved, the consumption of lubricating oil is reduced, and the engine has the capability of burning multiple fuels such as aviation heavy oil and even heavy diesel oil; the service life of the sealing sheet is prolonged, and the dynamic property, the economical efficiency and the reliability of the rotor machine are improved; because the internal gear ratio provided on the rotor structure on the outer gear and the end cover is still 2:3, resulting in a ratio of the rotor structure rotational angular speed to the main shaft rotational speed of from conventional 1:3 to 1:2, under the same working capacity, the output rotor of the engine is reduced, the low-speed torque characteristic of the engine is improved, and the application range of the engine is wider.

In order to overcome the defects of the wankel triangular rotor engine, a novel rotor engine structure is provided in recent years, the structure has the greatest characteristic similar to the wankel triangular rotor engine with the inside and the outside exchanged, the novel rotor engine is used for an approximate 8-shaped rotor and a similar triangular cylinder body (opposite to the wankel triangular rotor engine), the novel rotor engine has a larger compression ratio and higher thermal efficiency, meanwhile, the lubricating condition of a radial sealing strip and the thermal load distribution of the cylinder body are greatly improved, the fatigue life of the engine is prolonged, meanwhile, the possibility of multi-fuel combustion of the engine (aviation heavy oil or even heavy diesel oil) is provided, and the engine is provided with a larger potential in the field of unmanned power systems.

To sum up, the utility model discloses rotor structure makes the engine become independent three jar engine structure essences because of its unique operation molded lines, makes the engine have more outstanding acting efficiency and less volume under bigger power scope and high reliability and the suitability.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotor structure, includes rotor body, its characterized in that: the rotor comprises a rotor body and is characterized in that an air inlet and an air outlet are formed in the rotor body along the radial direction of the rotor body, an air inlet channel communicated with the air inlet is formed in one side face of the rotor body, and an air exhaust channel communicated with the air outlet is formed in the other side face of the rotor body.

2. A rotor structure according to claim 1, characterized in that: the radial section of the rotor body is in a waist-shaped structure.

3. A rotor structure according to claim 2, wherein: the rotor comprises a rotor body and is characterized by further comprising 8-shaped grooves formed in two side faces of the rotor body, the 8-shaped grooves are arranged along the edges of the two outer side faces of the rotor body, and the longitudinal section of each 8-shaped groove is rectangular.

4. A rotor structure according to claim 3, wherein: the sealing device also comprises a sealing strip and a sealing spring which are arranged in the 8-shaped groove.

5. A rotor structure according to claim 1, characterized in that: the air inlet and the axial direction of the long shaft of the rotor body form an included angle of 40-45 degrees, and the air outlet and the axial direction of the long shaft of the rotor body form an included angle of 60-65 degrees.

6. A rotor structure according to claim 1, characterized in that: the air inlet channel and the air outlet channel are both arc-shaped structures, and the angle span of each arc-shaped structure is 70-80 degrees.

7. A rotor structure according to claim 1, characterized in that: the central point of rotor body puts and has seted up the bearing mounting hole, a plurality of louvres have been seted up along bearing mounting hole circumference to the both sides face of rotor body.

8. A rotor structure according to claim 1, characterized in that: the rotor comprises a rotor body and is characterized by further comprising a plurality of lightening holes formed in one side surface of the rotor body along the circumferential direction of the bearing mounting hole and a plurality of pin holes formed in the other side surface of the rotor body along the circumferential direction of the bearing mounting hole.

9. A novel rotary engine is characterized in that: the rotor structure of any one of claims 1-8 is arranged on a novel rotor engine, and the rotor structure is arranged on a main shaft of the novel rotor engine through a bearing mounting hole.