CN215408867U

CN215408867U - Multi-rotor engine configuration with motor for converting compressor and without gas turbine

Info

Publication number: CN215408867U
Application number: CN202122039831.8U
Authority: CN
Inventors: 顾程; 马亚如; 徐鹏; 王石柱
Original assignee: Shanghai Shangshi Energy Technology Co ltd
Current assignee: Shanghai Shangshi Aeroengine Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-01-04
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a multi-rotor engine structure without a gas turbine and with a compressor driven by a motor, which structurally comprises a shell and a power assembly, the utility model can realize the replacement of the original gas turbine under the action of a free turbine main body to reduce the manufacturing cost and the process difficulty of the engine, simultaneously, the output power of the free turbine is unchanged, the use is stable, thereby achieving the advantages of reducing the production price of the whole engine, keeping the power of the whole engine stable and reducing the design difficulty of a core driving part, the power assembly is arranged at the lower end of the left side of the shell, namely, the stability of the driving of a core crankshaft can be ensured under the matching of a bearing, and the core mechanism replaces the original slender core driving part, so that the core crankshaft has long service life, the electric motor main body is mature, the compressor can completely replace the turbine to drive, thereby achieving the improvement of the service life of the core driving part, and the advantage of reduced manufacturing cost can also be realized.

Description

Multi-rotor engine configuration with motor for converting compressor and without gas turbine

Technical Field

The utility model relates to the technical field of multi-rotor engines, in particular to a multi-rotor engine configuration which is provided with a compressor and a gas turbine and is driven by a motor.

Background

In the case of a rotary engine, expansion pressure acts on the side of the rotor to push one of the three faces of the triangular rotor toward the center of the eccentric shaft, and this motion is performed under the force of two force components, one is a centripetal force directed toward the center of the output shaft, and the other is a tangential force causing the output shaft to rotate.

At present, when a multi-rotor engine is used, the whole system is complex, the production and installation of internal parts are very accurate, the core driving part of the multi-rotor engine needs to have severe design requirements such as high rotating speed, high strength and high temperature, the service life of a bearing is one of the most important factors for limiting the whole service life of the engine and the repair period, and therefore a certain structure in the rotor engine needs to be changed to reduce the production price of the whole engine, keep the power of the whole engine stable, reduce the design difficulty of the core driving part and prolong the service life.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, a multi-rotor engine structure which is provided with a compressor and does not contain a gas turbine and is driven by a motor is provided, so that the problems that when the multi-rotor engine is used, the whole system is complex, the production and installation of internal parts are very accurate, and the core driving part of the multi-rotor engine needs to have strict design requirements such as high rotating speed, high strength and high temperature are solved. The service life of the bearing is one of the most important factors for limiting the service life and the repair period of the whole engine, so that a certain structure in the rotor engine needs to be changed to reduce the production price of the whole engine, keep the power of the whole engine stable, reduce the design difficulty of a core driving part and improve the service life, and the effects of reducing the production expenditure, ensuring the service power of the whole engine and ensuring the service life of the core driving part are achieved.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model provides a multi-rotor engine configuration without a gas turbine and with a compressor driven by a motor, which comprises a shell and a power assembly, wherein the left side in the shell is provided with the compressor, the right side of the compressor is connected with a combustion chamber, the combustion chamber is connected with the left side of a spray pipe, the outer surface of the left side of the spray pipe is provided with a free turbine, the power assembly is arranged at the lower end of the left side of the shell, the power assembly comprises an electric motor main body, a rotor, a core crankshaft and a bearing, the electric motor main body is arranged at the lower end of the left side of the shell, the rotor at the right side of the electric motor main body is connected with the core crankshaft, the outer surface of the core crankshaft is provided with the bearing, and the core crankshaft is connected with the inside of the compressor.

Further, the compressor includes compressor housing, intake duct, filter and blast pipe, the compressor housing is connected with the inside left side of casing to the intake duct has been seted up on the inside left side of compressor housing, intake duct internally mounted has the filter, the blast pipe is connected with compressor housing right side, and blast pipe and combustion chamber left side sealing connection.

Further, the spray pipe includes air inlet, spray pipe main part and gas vent, the air inlet is seted up in spray pipe main part left side to the air inlet left side is connected with the combustion chamber, the gas vent is seted up in spray pipe main part right side.

Furthermore, the electric motor main body, the rotor and the core crankshaft are arranged in the same horizontal straight line, and the core crankshaft is short and thick as a whole.

Furthermore, the bearings are arranged in three parts along the outer side of the core crankshaft at equal intervals, and the integral structures of the three bearings are consistent.

Furthermore, intake duct upper end opening is the loudspeaker form to intake duct inner wall is smooth not have the barb.

Furthermore, the exhaust pipe and the left side of the compressor shell are sealed and integrated, and the opening of the exhaust pipe is gradually reduced from small to upper.

Furthermore, the whole spray pipe main body is in an elephant-corner shape, and an air inlet opening on the left side of the spray pipe main body is smaller than an air outlet opening on the right side of the spray pipe main body.

Furthermore, the rotor is made of silicon steel sheets.

Furthermore, the bearing is made of bearing steel materials.

(III) advantageous effects

Compared with the prior art, the utility model has the following beneficial effects:

the method has the advantages that: the multi-rotor engine structure with the motor serving as the compressor and without the gas turbine can realize the replacement of the original gas turbine under the action of the free turbine main body, so that the manufacturing cost and the process difficulty of the engine are reduced, and the output power of the free turbine is unchanged,

the use is stable, thereby achieving the advantages of reducing the production price of the whole machine, keeping the power of the whole machine stable and reducing the design difficulty of the core driving part.

The method has the advantages that: the multi-rotor engine structure with the motor rotating the compressor and without the gas turbine can ensure the stability of the driving of the core crankshaft under the matching of the bearing, and the core mechanism replaces the original slender core driving part, so that the core crankshaft has long service life, and the main body of the electric motor is mature, and can completely replace the turbine to drive the compressor, thereby achieving the advantages of prolonging the service life of the core driving part and reducing the manufacturing cost.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front sectional view of the power module of the present invention;

FIG. 3 is a schematic diagram of a front view structure of the compressor of the present invention;

fig. 4 is a schematic front view of the nozzle of the present invention.

In the figure: the device comprises a shell body-1, a compressor-2, a compressor shell-21, an air inlet channel-22, a filter-23, an exhaust pipe-24, a power assembly-3, a combustion chamber-4, a nozzle-5, an air inlet-51, a nozzle main body-52, an exhaust port-53, a free turbine-6, an electric motor main body-31, a rotor-32, a core crankshaft-33 and a bearing-34.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 4, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the utility model provides a multi-rotor engine configuration without a gas turbine and with a gas compressor driven by an electric motor, which comprises a shell 1 and a power assembly 3, wherein the left side inside the shell 1 is provided with the gas compressor 2, the right side of the gas compressor 2 is connected with a combustion chamber 4, the combustion chamber 4 is connected with the left side of a spray pipe 5, and the outer surface of the left side of the spray pipe 5 is provided with a free turbine 6.

Referring to fig. 2, the present invention provides a multi-rotor engine configuration without a gas turbine and with a gas compressor driven by an electric machine, wherein a power assembly 3 is disposed at a lower left end of a housing 1, the power assembly 3 includes an electric motor main body 31, a rotor 32, a core shaft 33 and a bearing 34, the electric motor main body 31 is disposed at the lower left end of the housing 1, the rotor 32 at a right side of the electric motor main body 31 is connected with the core shaft 33, the bearing 34 is disposed on an outer surface of the core shaft 33, such that the bearing 34 ensures stable operation of the core shaft 33, the core shaft 33 is disposed inside the gas compressor 2, the electric motor main body 31, the rotor 32 and the core shaft 33 are disposed in a same horizontal straight line, the shaft core 33 is integrally short and thick, such that the core shaft 33 achieves improvement of service life, the bearing 34 is disposed in three pieces at equal intervals along an outer side of the core shaft 33, and the integral structures of the three bearings 34 are consistent, so that the bearings 34 ensure the stability of the rotation driving of the core crankshaft 33, the rotor 32 is made of silicon steel sheets, and the bearings 34 are made of bearing steel materials.

Referring to fig. 3, the present invention provides a multi-rotor engine configuration without a gas turbine and with a compressor driven by a motor, wherein the compressor 2 includes a compressor housing 21, an air inlet 22, a filter 23, and an exhaust pipe 24, the compressor housing 21 is connected to the left side inside the casing 1, the air inlet 22 is disposed on the left side inside the compressor housing 21, the filter 23 is disposed inside the air inlet 22 to achieve fast suction filtration through the air inlet 22, the exhaust pipe 24 is connected to the right side of the compressor housing 21, the exhaust pipe 24 is hermetically connected to the left side of the combustion chamber 4 to achieve stable protection of internal components of the compressor housing 21, an opening at the upper end of the air inlet 22 is in a horn shape, and the inner wall of the air inlet 22 is smooth and has no barbs, so that the air inlet 22 can achieve fast suction activity, the exhaust pipe 24 is hermetically integrated with the left side of the compressor housing 21, and the discharge pipe 24 is gradually reduced from the small upper opening so that the discharge pipe 24 performs a rapid discharge action of the compressed gas.

Referring to fig. 4, the present invention provides a multi-rotor engine configuration without a gas turbine and with a gas compressor driven by a motor, wherein a nozzle 5 includes an air inlet 51, a nozzle body 52 and an air outlet 53, the air inlet 51 is disposed on the left side of the nozzle body 52, the left side of the air inlet 51 is connected to the combustion chamber 4, so that the air inlet 51 realizes a quick air guiding activity, the air outlet 53 is disposed on the right side of the nozzle body 52, the nozzle body 52 is generally in a quadrant shape, and the opening of the air inlet 51 on the left side of the nozzle body 52 is smaller than the opening of the air outlet 53 on the right side of the nozzle body 52, so that the air inlet 51 and the air outlet 53 cooperate to realize a quick combustion gas discharging activity.

The bearing 34 described in this patent: bearings are mechanical elements that limit relative motion to a desired range of motion and reduce friction between moving parts, and are designed to provide free linear motion or free rotation of the moving parts about a fixed axis, and also to prevent motion by controlling the vector of the normal force acting on the moving parts, most bearings promote the desired motion by minimizing friction.

The utility model relates to a multi-rotor engine configuration which is provided with a compressor and a motor without a gas turbine, and the working principle of the multi-rotor engine configuration is as follows;

firstly, the power assembly 3 is arranged at the lower end of the left side of the operating shell 1, the electric motor main body 31 arranged in the power assembly 3 is operated, the core crankshaft 33 can be driven to synchronously rotate by the rotor 32 arranged at the right side of the electric motor main body 31 under the driving of the electric motor main body 31, under the matching of three groups of bearings 34 arranged at equal intervals outside the core crankshaft 33, the smoothness of the core crankshaft 33 for driving the air compressor 2 can be ensured, and the slender shape of the original core driving part is changed because the core crankshaft 33 is short and thick, so that the material selection range of the shaft is enlarged, the design and processing difficulty of the shaft is obviously reduced, the service lives of the shaft and the bearings are effectively prolonged, the electric motor main body 31 is mature at present, has large shelf products, and is excellent in economical efficiency, and can completely replace the turbine driving air compressor 2, thereby the service life of the core driving part can be prolonged, the advantage of reduced manufacturing cost can also be realized;

secondly, the compressor 2 can operate under the driving of the core crankshaft 33 to suck external air through the air inlet channel 22 arranged on the left side, when the air enters the compressor 2 along the air inlet channel 22, the filter 23 can be arranged in the air inlet channel 22 to realize filtering activity, so that the influence on subsequent reaction caused by impurities in the air is avoided, the filtered air is completed, the air can be heated and pressurized under the compression action of the compressor 2, and finally, the air enters the combustion chamber 4 through the exhaust pipe 24 connected with the right side of the compressor shell 21 to realize combustion activity;

thirdly, because the multi-rotor engine adopts the free turbine 6 for expansion movement, the elimination of the original gas turbine can be realized, because the gas turbine is one of the most expensive components in the overall engine, because it is exposed to the harsh conditions of high temperature, high pressure, and high rotational speed for long periods of time, the static blades, the guide blades, the disks and the like of the turbine are made of high-temperature alloy materials with high manufacturing cost, so that the manufacturing cost and the process difficulty of the engine can be greatly reduced by omitting a gas turbine, the output power of the free turbine 6 is unchanged, the use is stable, then the free turbine 6 expands to do work to drive the load, and then the load can enter the spray pipe 5 through the air inlet 51 arranged on the left side of the spray pipe main body 52, then, the exhaust port 53 arranged along the right side of the nozzle main body 52 realizes the exhaust use activity, thereby achieving the advantages of reducing the production price of the whole machine, keeping the power of the whole machine stable and reducing the design difficulty of the core driving part.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A multi-rotor engine configuration with a motor serving as a gas compressor and without a gas turbine comprises a shell (1), wherein the left side inside the shell (1) is provided with the gas compressor (2), the right side of the gas compressor (2) is connected with a combustion chamber (4), the combustion chamber (4) is connected with the left side of a spray pipe (5), and the outer surface of the left side of the spray pipe (5) is provided with a free turbine (6);

the method is characterized in that: still include power component (3), power component (3) set up in casing (1) left side lower extreme, power component (3) include electric motor main part (31), rotor (32), core spindle (33) and bearing (34), electric motor main part (31) set up in casing (1) left side lower extreme to electric motor main part (31) right side rotor (32) are connected with core spindle (33), and core spindle (33) surface is provided with bearing (34), inside core spindle (33) and compressor (2).

2. A multi-spool gas turbine free engine configuration with an electric machine to gas compressor as claimed in claim 1 wherein: the gas compressor (2) comprises a gas compressor shell (21), an air inlet channel (22), a filter (23) and an exhaust pipe (24), the gas compressor shell (21) is connected with the left side inside the shell (1), the air inlet channel (22) is arranged on the left side inside the gas compressor shell (21), the filter (23) is arranged inside the air inlet channel (22), the exhaust pipe (24) is connected with the right side of the gas compressor shell (21), and the exhaust pipe (24) is connected with the left side of the combustion chamber (4) in a sealing mode.

3. A multi-spool gas turbine free engine configuration with an electric machine to gas compressor as claimed in claim 1 wherein: the spray pipe (5) comprises an air inlet (51), a spray pipe main body (52) and an air outlet (53), wherein the air inlet (51) is arranged on the left side of the spray pipe main body (52), the left side of the air inlet (51) is connected with the combustion chamber (4), and the air outlet (53) is arranged on the right side of the spray pipe main body (52).

4. A multi-spool gas turbine free engine configuration with an electric machine to gas compressor as claimed in claim 1 wherein: the electric motor main body (31), the rotor (32) and the core crankshaft (33) are arranged in the same horizontal straight line, and the core crankshaft (33) is short and thick as a whole.

5. A multi-spool gas turbine free engine configuration with an electric machine to gas compressor as claimed in claim 1 wherein: the bearing (34) is provided with three pieces at equal intervals along the outer side of the core crankshaft (33), and the integral structures of the three bearings (34) are consistent.

6. A multi-spool gas turbine free engine configuration with an electric machine to gas compressor as claimed in claim 2 wherein: the opening at the upper end of the air inlet channel (22) is trumpet-shaped, and the inner wall of the air inlet channel (22) is smooth and has no barbs.

7. A multi-spool gas turbine free engine configuration with an electric machine to gas compressor as claimed in claim 2 wherein: the exhaust pipe (24) and the left side of the compressor housing (21) are sealed and integrated, and the exhaust pipe (24) is gradually reduced from a small upper opening.

8. A multi-spool gas turbine free engine configuration with electric machine to gas compressor as claimed in claim 3 wherein: the spray pipe main body (52) is integrally in an elephant-corner shape, and an opening of a left air inlet (51) of the spray pipe main body (52) is smaller than an opening of a right air outlet (53) of the spray pipe main body (52).