CN213684314U

CN213684314U - Multi-rotor engine

Info

Publication number: CN213684314U
Application number: CN202022808433.3U
Authority: CN
Inventors: 赵新年; 李军生
Original assignee: Shaanxi Xinnian Power Technology Co ltd
Current assignee: Shaanxi new year Power Technology Group Co.,Ltd.
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-07-13
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to a multi-rotor engine, the multi-rotor engine comprises 3 series-connected dual-rotor engines, the dual-rotor engine comprises 2 stators and 2 rotors, namely a first stator, a second stator, a first rotor and a second rotor; the stator is a three-petal cavity surrounded by three sections of circular arcs; the rotor is 8-shaped and is positioned in the three-petal-shaped cavity in the stator, and the arc of the head of the 8-shaped is matched with the arc of the three-petal-shaped cavity; the included angle between adjacent rotors is 20 degrees; the 6 rotors are connected by a combined eccentric shaft. The utility model provides a many rotor engine mechanical structure is simple, can obtain high-efficient power.

Description

Multi-rotor engine

Technical Field

The utility model relates to a rotary engine, concretely relates to many rotary engine.

Background

The rotor engine adopts the rotary motion of a rotor in a cylinder body to control compression and discharge, and is different from the traditional reciprocating piston engine, and the linear reciprocating motion is changed into the rotary motion. Compared with reciprocating engine, the rotary engine eliminates useless linear motion, so that the rotary engine with the same power has smaller size, lighter weight and lower vibration and noise, and is a novel and efficient engine in the field of automobile industry. A relatively representative rotary engine technology is a triangular rotary engine of mayoda, for example, a rotary piston engine disclosed in publication No. CN101413436 and a design method thereof, in which a rotary part orbits an output shaft, and at the same time, rotates about an eccentric shaft that is parallel to the output shaft and offset, and the rotor is approximately triangular when viewed from the axial direction. The rotor engine with the structure has high oil consumption and small compression, so that only a compression ignition type combustion mode can be used, and the types of fuels are limited.

The double-rotor engine has two rotors, and the rotating mechanisms of the two rotors can provide the same or different rotating speeds. For example, patent CN109899154A proposes a twin-rotor engine in which the pistons perform rotary motion without the need for redundant mechanisms to convert the motion form; the rotor is of a symmetrical structure and does not have eccentric motion, the first end of the main shaft of the engine is provided with an external spline, and the second end of the main shaft of the engine is provided with an internal spline which is matched with a bearing on the rotor; in operation the second rotor has the same stroke action as the first rotor. The rotor in the design has no eccentric motion, can reduce the abrasion to the cylinder body, but has the defect of small output force. The connecting mechanism of the shafts of the two rotors is complex, and the processing difficulty is increased.

SUMMERY OF THE UTILITY MODEL

The present invention provides a multi-rotor engine, which uses a dual-rotor engine as a unit and connects 3 dual-rotor engines in series through a connecting device; the mode that 6 rotary engines work simultaneously is realized.

The multi-rotor engine comprises 3 double-rotor engines connected in series;

the double-rotor engine comprises 2 stators and 2 rotors, namely a first stator, a second stator, a first rotor and a second rotor; the stator is a three-petal cavity surrounded by three sections of circular arcs; the rotor is 8-shaped and is positioned in the three-petal-shaped cavity in the stator, and the arc of the head of the 8-shaped is matched with the arc of the three-petal-shaped cavity; (i.e., the first rotor is located in the three-lobed cavity of the first stator and the second rotor is located in the three-lobed cavity of the second stator).

Wherein, the included angle of adjacent rotors is 20 degrees, namely the included angle of the axial lines of the long axis direction of the rotors is 20 degrees. The 6 rotors are connected by a combined eccentric shaft.

Specifically, each rotor engine comprises a three-petal-shaped cavity surrounded by three sections of circular arcs, and the rotor completes the working cycle of three times of air intake, compression, ignition, work doing and exhaust once rotating; the utility model provides a many rotor engines contains 6 rotors and 6 stators. The included angle between two adjacent rotors is 20 degrees, and each rotor engine comprises a three-lobe cavity formed by three circular arcs, namely 20 degrees by 3 degrees by 6 degrees, and the total angle is 360 degrees. The utility model provides a many rotor engine is once rotatory, can accomplish 18 doing work. The rotor rotates for 1 week, and the output shaft rotates for 2 weeks; 15000 horsepower may be achieved in an application.

Wherein, the combined eccentric shaft comprises 5 cylindrical connecting pieces and 6 sections of shafts; holes for placing shafts are formed in the top and the bottom of the cylindrical connecting piece, and the central connecting line of the holes in the top and the bottom is a straight line;

the first section of shaft and the last section of shaft are sleeved with shaft heads;

the center of the rotor is provided with a bearing, and an internal spline is arranged in the bearing; the shaft is sleeved with a shaft sleeve, an external spline is processed on the shaft sleeve, and the external spline is meshed with the internal spline.

Furthermore, the rotor comprises an 8-shaped side wall, a sealing cover supporting wall and a bearing, wherein the sealing cover supporting wall is circular, and the sealing cover supporting wall is fixedly connected with the reduced part of the 8-shaped side wall in one diameter direction.

And the first rotor and the second rotor of the 3 double-rotor engines are respectively fixed on the 6-segment shaft of the combined eccentric shaft through the internal spline and the external spline.

Furthermore, ribs connected with a bearing and 6-10 spring holes are arranged on the inner wall of the sealing cover supporting wall, and the spring holes and the ribs are arranged alternately; and a spring is placed in the spring hole and is filled with engine oil.

Furthermore, the outer ring of the stator is provided with 18 screw holes, the axial distance of each screw hole is 20 degrees, and one stator is installed in each staggered screw hole. In practical application, the screw hole is in a spiral ascending mode.

The rotor is provided with an arc-shaped side wall, and when the head of the 8-shaped rotor is located in one of the three-petal-shaped cavities, the distance between the arc-shaped side wall of the rotor and the arc-shaped inner wall of the cavity is 1-3 mm.

Furthermore, the birotor engine also comprises a shell, which comprises a front end cover, a first outer inclined cover, a first stator, a first inner inclined cover, a middle section shell, a second outer inclined cover, a second stator, a second inner inclined cover and a rear end cover which are sequentially connected.

Wherein, the upper and lower front end covers are respectively provided with at least one air inlet; the rear end cover is provided with an exhaust port.

Wherein, the front end cover and the rear end cover are both provided with an air inlet and a cooling liquid channel; the included angle between the air inlet and the axis of the cooling liquid channel is 80-95 degrees; and the side wall of the middle section shell is provided with an exhaust hole. The arrangement can realize that the inlet air can be cooled and exhausted; further reducing energy consumption.

The invention has the beneficial effects that:

the multi-rotor engine provided by the invention takes the double rotors as units, is connected with three double-rotor engines in series and is connected through the combined eccentric shaft, so that the processing difficulty is simplified, and the multi-rotor engine has better mechanical strength; according to the multi-rotor engine, the included angle of the axes of the two rotors is 20 degrees, the six rotors are provided, each rotor has three cavities, and the total angle is 360 degrees, so that higher output power is provided; the difference between the maximum stroke and the minimum stroke of the rotor is larger, so that the compression ratio is improved, and the compression ratio can reach 23 when diesel oil is used as fuel. In the experimental process, the maximum can reach 98, the temperature of air is 700-. And the structure can realize that the shaft is soaked in the machine oil all the time, so that the lubricating effect is better.

The combined eccentric shaft provided by the utility model has the advantages that the axes of the rotors mutually form 180 degrees, so that the included angle between the holes for placing the shaft bodies on the connecting pieces is also 180 degrees, and the combined eccentric shaft is easy to process; the provided multi-rotor engine is more compact in structure, and the volume and the weight of the engine are reduced on the whole; the multi-rotor engine has small dead weight, and can be widely applied to sea, land and air, such as low-altitude aircrafts, naval vessel engines, helicopters and the like. In practical application, the utility model provides an engine diameter can be 97cm, and is 3 meters (two) for long, reaches the power of exerting oneself of current engine promptly.

Drawings

FIG. 1 is a schematic view of a twin rotor engine;

FIG. 2 is a schematic view of a structure of the combined eccentric shaft;

FIG. 3 is a schematic structural view of a shaft body and connecting member combination of the combined eccentric shaft;

fig. 4 is a schematic structural view of the rotor.

In the figure: 1. a cylindrical connecting member; 2. a shaft; 3. a gear; 4. a shaft head; 5. a stator; 6. a bearing; 7. the sealing cover supports the wall.

Detailed Description

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms "center", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and the connection may be an electrical connection, a communication connection or a mechanical connection; the terminology used is for the purpose of describing the invention only and is not intended to be limiting, nor is it intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation; and therefore should not be construed as limiting the scope of the invention.

Examples

A multi-rotor engine includes 3 dual-rotor engines connected in series;

wherein the dual rotor engine (as shown in fig. 1) comprises 2 stators and 2 rotors, namely a first stator, a second stator, and a first rotor and a second rotor; the stator is a three-petal cavity surrounded by three sections of circular arcs; the rotor is 8-shaped and is positioned in the three-petal-shaped cavity in the stator, and the arc of the head of the 8-shaped is matched with the arc of the three-petal-shaped cavity.

Wherein, the combined eccentric shaft comprises 5 cylindrical connecting

pieces

1 and 6 sections of shafts 2; holes for placing shafts are formed in the top and the bottom of the cylindrical connecting piece 1, and the central connecting line of the holes in the top and the bottom is a straight line; the first section of shaft and the last section of shaft are sleeved with shaft heads; (as shown in FIGS. 2 and 3)

Wherein, the center of the rotor is provided with a bearing 6, and an internal spline is arranged in the bearing 6; the shaft 2 is sleeved with a shaft sleeve, an external spline is processed on the shaft sleeve, and the external spline is meshed with the internal spline.

Furthermore, ribs connected with the bearing 6 and 6-10 spring holes are arranged on the inner wall of the sealing cover supporting wall 7, and the spring holes and the ribs are arranged alternately; and a spring is placed in the spring hole and is filled with engine oil. (as shown in FIG. 4)

Furthermore, the outer ring of the stator 5 is provided with 18 screw holes, the axial distance of each screw hole is 20 degrees, and one stator is installed in each staggered screw hole. In practical application, the screw hole is in a spiral ascending mode.

Although the invention has been described in detail in the foregoing by way of general description, specific embodiments and experiments, it will be apparent to those skilled in the art that certain modifications and improvements may be made thereto based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A multi-rotor engine is characterized by comprising 3 dual-rotor engines connected in series, wherein each dual-rotor engine comprises 2 stators and 2 rotors, namely a first stator, a second stator, a first rotor and a second rotor; the stator is a three-petal cavity surrounded by three sections of circular arcs; the rotor is 8-shaped and is positioned in the three-petal-shaped cavity in the stator, and the arc of the head of the 8-shaped is matched with the arc of the three-petal-shaped cavity;

wherein, the included angle of the adjacent rotors is 20 degrees; the 6 rotors are connected by a combined eccentric shaft.

2. The multiple spool engine of claim 1 wherein the combined eccentric shaft comprises 5 cylindrical connectors, 6 sections of shaft; holes for placing shafts are formed in the top and the bottom of the cylindrical connecting piece, and the central connecting line of the holes in the top and the bottom is a straight line;

3. The multiple rotor engine as claimed in claim 2, wherein the rotor includes an 8-shaped side wall, a sealing cover supporting wall, and a bearing, the sealing cover supporting wall is circular, and the sealing cover supporting wall is fixedly connected to a reduced portion of the 8-shaped side wall in one diameter direction.

4. The multiple rotor engine according to claim 2 or 3, wherein the first rotor and the second rotor of the 3 twin rotor engine are fixed to the 6-segment shaft of the combined eccentric shaft by the internal spline and the external spline, respectively.

5. The multi-rotor engine according to claim 3, wherein ribs connected with a bearing and 6-10 spring holes are provided on the inner wall of the seal cover supporting wall, and the spring holes and the ribs are arranged alternately; and a spring is placed in the spring hole and is filled with engine oil.

6. A multiple rotor engine according to claim 1, wherein the outer race of the stator is provided with 18 screw holes, each screw hole being axially spaced at 20 ° intervals, one stator being mounted for each offset screw hole.

7. The multiple spool engine of claim 1 wherein the dual spool engine further includes a casing including a front end cover, a first outer deflector cover, a first stator, a first inner deflector cover, a mid-section casing, a second outer deflector cover, a second stator, a second inner deflector cover, and a rear end cover connected in series.

8. The multiple spool engine of claim 7 wherein the upper and lower front endcaps are each provided with at least one air inlet; the rear end cover is provided with an exhaust port.

9. The multiple spool engine of claim 8 wherein the front and rear endcaps each have an air inlet and a coolant passage; the included angle between the air inlet and the axis of the cooling liquid channel is 80-95 degrees; and the side wall of the middle section shell is provided with an exhaust hole.