CN211258803U

CN211258803U - Rotor drum mechanism, rotor device and rotor engine composed of rotor device

Info

Publication number: CN211258803U
Application number: CN201922228126.5U
Authority: CN
Inventors: 郑安庆; 郑安刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-08-14
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a rotor rotary drum mechanism and free blade rotor device and by the rotor engine that the device constitutes, rotor rotary drum mechanism includes rotor subassembly and rotary drum subassembly, the rotor subassembly is arranged in the rotary drum subassembly, the rotor subassembly is together articulated by at least three blade and the pin joint is concentric, angularly adjustable between the blade, at least three blade is stretched out respectively by the rotary drum subassembly to can stretch out and draw back for the rotary drum subassembly, the both ends of rotary drum subassembly are provided with the main shaft respectively, the main shaft does not run through the rotary drum subassembly, the power input or the output of main shaft are used in the rotary drum subassembly, the rotor subassembly can freely swing in the rotary drum subassembly to rotate along with the rotary drum subassembly is synchronous. The utility model discloses well main shaft does not run through section of thick bamboo subassembly and rotor subassembly, and the rotor subassembly need not undertake great torsion like this, and the diameter of rotor section of thick bamboo subassembly reduces greatly, satisfies under required work volume's the condition, can reduce whole quick-witted size and simplify mechanical structure greatly.

Description

Rotor drum mechanism, rotor device and rotor engine composed of rotor device

Technical Field

The utility model belongs to the technical field of engine, air compressor machine etc, in particular to rotor rotary drum mechanism and free blade rotor device and the rotary engine who comprises the device.

Background

In the vane rotor device of the existing rotor engine, vanes are usually arranged on a main shaft, for example, a double eccentric inner shaft type rotary piston type machine disclosed in chinese patent CN87102280A, which is composed of a circular cylinder concentric with the main shaft, an eccentric driving disc, an eccentric rotor sleeve, a main rotary piston, one or more auxiliary rotary pistons, a connecting rod, a cylinder cover, and other parts. In the technical scheme disclosed above, the main cock is connected with the splined shaft on the main shaft by the splined hole, and the auxiliary cock is sleeved at the center of the main shaft, wherein the main cock and the auxiliary cock are equivalent to a blade structure, and the blade cannot be fixedly connected on the main shaft, so that the input torque of the main shaft cannot be well transmitted to the blade or the torque of the blade cannot be well transmitted to the main shaft, and the blade is required to bear a large torque because the force of the main shaft directly acts on the blade, and the diameter of the main shaft is large, so that the inner diameter and the outer diameter of the rotary drum are correspondingly enlarged, and the difference between the diameter of the rotary drum and the diameter of the rotor of the blade determines the working volume for air suction or work application, so that the effective working volume is reduced, and if the working volume of the device is required to be increased, the device can.

Chinese patent CN109139120A discloses a synchronous mechanism that circles round of runner blade, including stator, rotor and blade meshing controlling means, fixed mounting has left circle slider on the stator, and left shaft hole is opened on the left circle slider, and the axis body of transmission shaft passes left shaft hole, and the blade that circles round is installed on left circle slider through the axle sleeve. In the technical scheme disclosed above, due to the adoption of the hollow blade rotor structure design, the transmission shaft of the hollow blade rotor needs to pass through the rotating wheel and the axis of the blade rotor, on one hand, the through hole in the middle of the blade rotor is increased, so that the diameter of the shaft neck of the rotor is inevitably large, and the diameter of the rotating wheel is correspondingly enlarged to obtain the same working volume, so that the size of the whole machine is enlarged; in addition, in the above structure, the transmission shaft needs to be additionally provided with a single-side bearing, which causes the problems of complex structure and unbalanced stress.

Chinese patent 201280062725.2 discloses a rotary machine comprising a housing, a rotor, a plurality of vanes movably received in respective slots in the rotor and hingedly connected about an axis C to one end of a control arm and rotatably supported at the other end in a fixed shaft extending centrally through a cavity in the housing, the shaft and a bearing ready to be mounted on the end of the shaft, the bearing being located eccentrically in a bearing boss on a rotor housing cover. In the technical scheme disclosed above, the pin joint of a plurality of blades is not on the same axis, the axis of the blade is not coaxial with the axis of the cylinder sleeve, the blade only makes a simple linear telescopic motion relative to the rotor, which is not beneficial to the attachment of the end face of the blade and the inner wall of the cylinder sleeve, thereby causing poor sealing, and the shaft for connecting the blade penetrates out of the rotor shell, and is supported on the rotor shell cover through a bearing and an eccentric regulator, thereby causing the structure of the side wall of the cylinder body to be complicated, and the main shaft can only be arranged on a single side, and is also not beneficial to the situation that the side wall is not provided.

In addition, the existing vane rotor device generally has the problems of large abrasion between the rotor and the cylinder sleeve, rotational inertia of the device in the operation process, discontinuous power output, low power-weight ratio and the like.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solve the above problems, and provides a rotor drum mechanism and a free blade rotor device, which can make the device have a larger working volume without increasing the size of the whole engine, and have a higher reliability of gas sealing in the cylinder and a more simplified mechanical structure, and a rotary engine comprising the same.

The utility model adopts the technical proposal that: rotor drum mechanism, including rotor subassembly and rotary drum subassembly, the rotor subassembly is arranged in the rotary drum subassembly, its characterized in that: the rotor assembly is hinged together by at least three blades, the hinge points of the at least three blades are concentric, the included angle between the blades is adjustable, the at least three blades respectively extend out of the barrel assembly and can stretch and retract relative to the barrel assembly, two ends of the barrel assembly are respectively provided with a main shaft, the main shaft does not penetrate through the barrel assembly, the power input or output of the main shaft acts on the barrel assembly, and the rotor assembly can freely swing in the barrel assembly and synchronously rotate along with the barrel assembly.

Rotor rotary drum mechanism, its at least three blade cup joints and connects into overall structure on same rotor mandrel, and at least three blade uses rotor mandrel to distribute on the circumference as the axle center, rotor mandrel does not stretch out the barrel subassembly, and does not have any relation of connection with the barrel subassembly.

Rotor rotary drum mechanism, its switching portion that at least three blade set up through its root respectively cup joints on the rotor spindle, the position staggered arrangement that cup joints of switching portion of at least three blade on the rotor spindle.

Rotor rotary drum mechanism, its the rotary drum subassembly comprises the rotary drum of taking the main shaft and the carousel of taking the main shaft, form hollow cavity after rotary drum and the carousel assembly for set up the rotor subassembly, main shaft on rotary drum and the carousel runs through hollow cavity.

Rotor rotary drum mechanism, it is in the last equipartition of drum subassembly is provided with the flexible pivot hole of blade that corresponds with the blade, is provided with the flexible pivot of blade in the flexible pivot hole of every blade set up the flexible hole of blade the same with the blade cross-section in the flexible pivot of blade, the blade of rotor subassembly passes and corresponds the flexible hole of blade and stretch out drum subassembly.

A rotor device comprises the rotor drum mechanism and a cylinder assembly, wherein the rotor drum mechanism is arranged in the cylinder assembly, the end parts of blades extending out of the drum assembly are attached to the inner wall surface of the cylinder assembly, the at least three blades are restricted with each other in the cylinder assembly, the rotor assembly and the cylinder assembly are always concentric in the rotating process, and the drum assembly is eccentrically arranged in the cylinder assembly.

Rotor arrangement, its the cylinder subassembly comprises cylinder body, cylinder cap and cylinder liner, rotor rotary drum mechanism arranges the cylinder liner in, the cylinder liner rotationally arranges the round hole of cylinder body in, the main shaft at both ends is located the cylinder body bearing about the rotary drum subassembly axial.

Rotor arrangement, it is provided with cylinder liner bearing between cylinder liner and the cylinder body inner wall, the tip laminating of blade is at the internal face of cylinder liner, just the terminal surface of blade is personally submitted with cylinder liner internal face complex arcwall face, the cylinder liner can free rotation in cylinder liner bearing.

A rotor engine composed of the rotor device comprises two groups of free blade rotor devices and a clapboard, the two groups of free blade rotor devices are symmetrically arranged at two sides of the partition plate, main shafts at the corresponding sides of the drum assemblies in the two groups of free blade rotor devices are connected with each other, the free blade rotor device at one side of the partition plate is used for air suction and compression, the free blade rotor device on the other side is used for doing work and exhausting air, a combustion chamber is arranged in the clapboard, the combustion chamber is connected with the respective air pressing cavity and the respective work applying cavity of the free blade rotor device at the two sides of the partition plate through a partition plate air passage arranged on the partition plate and a rotary drum air passage arranged on the rotary drum assembly, in the rotation process of the rotor drum mechanism, the drum gas circuit and the partition gas circuit are alternately staggered or aligned, so that the gas circuit is opened or closed, and the four-stroke cycle functions of air suction, compression, work application and exhaust are completed.

Rotor engine, it be provided with on the combustion chamber and adjust its combustion volume's adjusting device.

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

1. the utility model discloses a main shaft sets up both ends about rotor rotary drum subassembly axis, compare the blade setting at the epaxial structural design of main shaft with current adoption, because blade and main shaft connection and blade can not with main shaft fixed connection in the current structure, cause transmission that main shaft input torsion can not be fine on the blade or the torsion of blade can not be fine on the transmission main shaft, and the blade will bear very big torsion, and main shaft diameter is great, cause the inside and outside diameter of rotary drum also corresponding enlargies, and the difference between the diameter of rotary drum and the diameter of blade rotor has decided the working volume of breathing in or the acting, thereby make the problem that effective working volume diminishes, current structural design if accomplish with the utility model discloses equal working volume, must increase the size of organism.

2. The utility model discloses a rotor drum subassembly does not have the main shaft to pass in the middle of, whole space in the rotor drum subassembly is used for placing the rotor subassembly, compare with the structural design that current main shaft passes the rotor subassembly, because the main shaft will pass whole rotor subassembly axle center in the current structure, can not be too little for guaranteeing main shaft intensity straight warp, must cause the increase of via hole in the middle of the rotor subassembly like this, thereby make the diameter of rotor subassembly axle center must do very big, and must obtain the same working volume, its rotor drum subassembly diameter is corresponding enlarged too, cause the complete machine size to enlarge; in addition, the rotor assembly in the existing structure needs to be additionally provided with a unilateral bearing, so that the problems of complex structure and unbalanced stress are caused.

3. The utility model discloses well blade adopts coaxial pivoted mode, all blades articulate on same axis of rotation promptly, and utilize the cylinder liner to support and centering, the rotor subassembly is in the free floating state in the barrel subassembly except that its blade passes barrel subassembly department, rotor subassembly in the barrel subassembly promptly, rotor mandrel in the rotor subassembly only is used for connecting all blades and does not support on other parts, the structural design of rotor barrel subassembly has been simplified greatly like this, and can realize the rotation and the swing of rotor subassembly in the barrel subassembly.

4. The cylinder sleeve of the utility model can be also set to be rotatable, the outer circular surface of the drum component is tangent to and closely attached to the inner circular surface of the cylinder sleeve, and the cylinder sleeve can be driven to rotate together when the drum component rotates to form rolling friction, so that the gap between the tangent part of the outer circular surface of the drum and the inner circular surface of the cylinder sleeve can be very small, the sealing effect of each cavity is better, the relative motion between the drum component and the cylinder sleeve and the relative motion between the rotor blade and the cylinder sleeve are reduced, and the friction loss and the abrasion are greatly reduced; in addition, the blade end of the rotor can be made into a shoe shape, and the arc shape of the shoe surface is the same as that of the inner wall surface of the cylinder sleeve, so that sealing and rotor centering are facilitated.

5. The utility model overcomes rotor and the jar wall between sealed and the lubrication problem that the triangle rotor engine can not solve for a long time, increasing the thermal efficiency by a wide margin and reducing the emission, the wear is littleer, and the life-span is longer.

6. The utility model discloses do not have eccentric inertia of rotation, can save rotor engine or piston engine's inertia balance flywheel, reduce engine weight and vibration.

7. The utility model discloses the power output continuity is good, and the work weight ratio is big, and the rotor is once turned the round and is done cubic work, does not have ordinary piston engine and changes two rings just to do the power output that once work caused and discontinuous, and the work weight ratio is low, and must increase the very big inertia flywheel of weight to make the even problem of rotational speed.

8. The utility model discloses a change the air inlet position, or adjust the air cylinder and do work jar effective volume, can realize the otto circulation easily, the mutual switching of Atkinson circulation and diesel circulation.

9. The utility model discloses an engine has fixed combustion chamber, through set up simple adjusting device on the combustion chamber, makes the combustion chamber volume adjustable, then can realize easily that the compression ratio is static adjustable or dynamic adjustable function.

Drawings

The invention will be described by way of example only and with reference to the accompanying drawings, in which

Fig. 1 is an assembly schematic diagram of the rotor drum mechanism of the present invention.

Fig. 2 is an assembly schematic diagram of the rotor assembly of the present invention.

Fig. 3 and 4 are schematic views illustrating the assembly of the drum assembly according to the present invention.

Fig. 5 is a schematic structural view of a free blade rotor device according to the present invention.

Fig. 6 is an assembly schematic of a medium free blade rotor arrangement according to the present invention.

Fig. 7 is a schematic structural diagram of a rotary engine according to the present invention.

Fig. 8 is an assembly schematic diagram of the rotary engine of the present invention.

Fig. 9 is a schematic structural diagram of the middle partition plate of the present invention.

Description of reference numerals: the cylinder assembly, 1.1 cylinder body, 1.2 cylinder cap, 1.3 cylinder liner, 1.4 cylinder liner bearing, 2 rotor rotary drum mechanisms, 3 rotor subassembly, 3.1 blade, 3.2 rotor mandrel, 3.3 switching portion, 4 rotary drum assemblies, 4.1 rotary drum, 4.2 carousel, 4.3 flexible pivot hole of blade, 4.4 main shafts, 5 flexible pivots of blade, 5.1 flexible hole of blade, 6 baffles, 7 combustion chambers, 8 baffle gas circuits, 9 rotary drum gas circuits.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive. Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

As shown in fig. 1 and 2, a rotor-drum mechanism comprises a rotor assembly 3 and a drum assembly 4, wherein the rotor assembly 3 is arranged in the drum assembly 4, the rotor assembly 3 is hinged together by at least three blades 3.1, the hinge points of the at least three blades 3.1 are concentric, the included angle between the blades 3.1 is adjustable, the at least three blades 3.1 respectively extend out of the drum assembly 4 and can be extended and retracted relative to the drum assembly 4, two ends of the drum assembly 4 are respectively provided with a main shaft 4.4, the main shaft 4.4 does not penetrate through the drum assembly 4, the power input or output of the main shaft acts on the drum assembly 4, and the rotor assembly 3 can freely swing in the drum assembly 4 and synchronously rotate along with the drum assembly 4.

In this embodiment, the number of the blades of the blade rotor assembly 3 is three, the three blades 3.1 are respectively sleeved on the same rotor spindle 3.2 through the adaptor portions 3.3 arranged at the root portions thereof to form an integral structure, the sleeving positions of the adaptor portions of the three blades 3.1 on the rotor spindle 3.2 are staggered, the three blades 3.1 are distributed on the circumference by taking the rotor spindle 3.2 as an axis, and the rotor spindle 3.2 does not extend out of the drum assembly 4 and has no connection relation with the drum assembly 4.

As shown in fig. 3 and 4, the drum assembly 4 is composed of a drum 4.1 with a main shaft 4.4 and a turntable 4.2 with a main shaft 4.4, a hollow chamber for installing the blade rotor assembly 3 is formed after the drum 4.1 and the turntable 4.2 are assembled, the main shaft 4.4 on the drum 4.1 and the turntable 4.2 does not penetrate through the hollow chamber, blade telescopic rotating shaft holes 4.3 equal in number to the blades 3.1 of the rotor assembly 3 are arranged on the wall of the drum assembly 4 in the radial direction, a blade telescopic rotating shaft 5 is arranged at each blade telescopic rotating shaft hole 4.3 on the drum assembly 4, blade telescopic holes 5.1 having the same cross section as the blades 3.1 are arranged on the blade telescopic rotating shafts 5, and the blades 3.1 of the rotor assembly 3 pass through the corresponding blade telescopic holes 5.1 and extend out of the drum assembly 4.

Example 2

As shown in fig. 5 and 6, a rotor device comprises a rotor drum mechanism 2 and a cylinder assembly 1, wherein the rotor drum mechanism 2 is arranged in the cylinder assembly 1, the cylinder assembly 1 is composed of a cylinder body 1.1, a cylinder cover 1.2 and a cylinder sleeve 1.3, the cylinder body and the cylinder cover are connected together through corresponding flanges, the rotor drum mechanism 2 is arranged in the cylinder sleeve 1.3, the cylinder sleeve 1.3 is rotatably arranged in a circular hole of the cylinder body 1.1, an air inlet is arranged on the cylinder body, an air outlet is arranged on the cylinder cover, main shafts 4.4 at the left end and the right end of a drum assembly 4 of the rotor drum mechanism 2 in the axial direction are positioned on a cylinder body bearing, the end parts of blades 3.1 extending from the drum assembly 4 are all attached to the inner wall surface of the cylinder assembly 1, at least three blades 3.1 are mutually restricted in the cylinder assembly 1, and the rotor assembly 3 is always concentric with the cylinder assembly 1 in the rotating process, the drum assembly 4 is eccentrically arranged in the cylinder assembly 1.

In the device, the main shafts are arranged at the left end and the right end of the axis of the rotor drum assembly, no main shaft penetrates through the middle of the rotor drum assembly, the whole space in the rotor drum assembly is used for placing the rotor assembly, the rotor does not need to bear larger torsion, and the main shaft does not need to penetrate through a rotor mandrel, so that the shaft diameter of the rotor and the diameter of the rotor mandrel are greatly reduced, and the size design and the simplified structure design of the whole machine can be reduced under the condition of meeting the required working volume; in addition, in the running process of the device, the rotor assembly and the rotary drum assembly rotate around the axes of the rotor assembly and the rotary drum assembly, and basically, eccentric rotary inertia does not exist, so that an inertia balance flywheel of a rotor engine or a piston engine can be omitted, and the weight and the vibration of the engine are reduced. The device can be applied to equipment related to gas compression, such as an engine, an air compressor and the like.

In order to further reduce the friction of the cylinder sleeve rotating relative to the cylinder body, a cylinder sleeve bearing 1.4 is arranged between the cylinder sleeve 1.3 and the inner wall of the cylinder body 1.1, the end part of the vane 3.1 extending out of the drum assembly 4 is attached to the inner wall surface of the cylinder sleeve 1.3, the end surface of the vane 3.1 is an arc-shaped surface matched with the inner wall surface of the cylinder sleeve 1.3, and the cylinder sleeve 1.3 can freely rotate in the cylinder sleeve bearing 1.4.

The end of the blade 3.1 attached to the cylinder sleeve 1.3 can be made into a boot shape, the arc of the boot surface is the same as that of the inner wall surface of the cylinder sleeve, so that the contact area between the end part of the blade and the inner wall surface of the cylinder sleeve is effectively increased, the problems of sealing and lubrication between the blade and the inner wall are solved, the heat efficiency is greatly improved, the emission is reduced, the wear is less, the service life is longer, an opening structure correspondingly matched with the protruding part at the end part of the blade 3.1 is arranged at the position of the blade telescopic rotating shaft hole 4.3 of the drum assembly 4, and the end part of the blade can be matched with the opening part of the blade telescopic rotating shaft hole of the drum assembly in a state.

Example 3

Example 3 is substantially the same as example 2 except that: and a cylinder sleeve bearing 1.4 is not arranged between the cylinder sleeve 1.3 and the inner wall of the cylinder body 1.1, the cylinder sleeve 1.3 is directly contacted with the inner wall of the cylinder body 1.1, and a lubricant is coated between the cylinder sleeve 1.3 and the inner wall of the cylinder body 1.1 so as to ensure that the cylinder sleeve 1.3 freely rotates in the cylinder body 1.1.

Example 4

As shown in fig. 7, 8 and 9, a rotary engine composed of the rotor devices described in the above embodiments 2 and 3, the rotary engine being composed of two sets of free vane rotor devices which are symmetrically arranged, cylinder covers of the two sets of free vane rotor devices together constitute a partition 6 and the two sets of free vane rotor devices are symmetrically arranged on both sides of the partition 6, intake ports and exhaust ports are provided on cylinder blocks of the two sets of free vane rotor devices, the main shafts on the corresponding sides of the cylinder assemblies 4 in the two sets of free vane rotor devices are connected to each other, the free vane rotor device on one side of the partition 6 is used for intake compression and the free vane rotor device on the other side is used for exhaust work, a combustion chamber 7 and an adjusting device provided in the combustion chamber are provided in the partition 6, an adjusting device capable of adjusting a combustion volume thereof is provided in the combustion chamber 7, the combustion chamber 7 is communicated with the respective air pressing cavity and the acting cavity of the free blade rotor device on the two sides of the partition plate 6 through the partition plate air passage 8 arranged on the partition plate 6 and the rotary drum air passage 9 arranged on the rotary drum assembly 4, when the rotary drum assembly rotates, the rotary drum air passage on the rotary drum assembly and the partition plate air passage on the partition plate are continuously aligned and staggered and alternated, the function of automatically opening or closing the air passages is realized, and the air suction, compression, acting and exhaust functions are completed by matching with an air inlet and an air outlet. And because the structural design of the rotor drum assembly adopted in the device can simply change the position of an air inlet on the cylinder body or adjust the effective volumes of the air cylinder and the working cylinder, the mutual switching of the Otto cycle, the Atkinson cycle and the Diels cycle can be easily realized.

The above description is only exemplary of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Rotor drum mechanism, including rotor subassembly (3) and drum subassembly (4), drum subassembly (4) is placed in to rotor subassembly (3), its characterized in that: the rotor assembly (3) is hinged together by at least three blades (3.1), the hinge points of the at least three blades (3.1) are concentric, the included angles of the blades (3.1) are adjustable, the at least three blades (3.1) respectively extend out of the drum assembly (4) and can be extended and retracted relative to the drum assembly (4), two ends of the drum assembly (4) are respectively provided with a main shaft (4.4), the main shaft (4.4) does not penetrate through the drum assembly (4), the power input or output of the main shaft acts on the drum assembly (4), and the rotor assembly (3) can freely swing in the drum assembly (4) and synchronously rotate along with the drum assembly (4).

2. The rotor bowl mechanism as recited in claim 1, wherein: the at least three blades (3.1) are sleeved on the same rotor mandrel (3.2) to form an integral structure, the at least three blades (3.1) are distributed on the circumference by taking the rotor mandrel (3.2) as an axis, and the rotor mandrel (3.2) does not extend out of the drum assembly (4) and does not have any connection relation with the drum assembly (4).

3. The rotor bowl mechanism as recited in claim 2, wherein: the at least three blades (3.1) are respectively sleeved on the rotor spindle (3.2) through the switching parts (3.3) arranged at the roots of the blades, and the sleeving positions of the switching parts (3.3) of the at least three blades (3.1) on the rotor spindle (3.2) are arranged in a staggered mode.

4. The rotor bowl mechanism as recited in claim 1, 2 or 3, wherein: the drum assembly (4) comprises a drum (4.1) with a main shaft (4.4) and a rotary table (4.2) with the main shaft (4.4), the drum (4.1) and the rotary table (4.2) are assembled to form a hollow chamber for arranging the rotor assembly (3), and the main shaft (4.4) on the drum (4.1) and the rotary table (4.2) does not penetrate through the hollow chamber.

5. The rotor bowl mechanism as recited in claim 4, wherein: the blade telescopic rotating shaft structure is characterized in that blade telescopic rotating shaft holes (4.3) corresponding to blades (3.1) are uniformly distributed in the drum assembly (4), a blade telescopic rotating shaft (5) is arranged in each blade telescopic rotating shaft hole (4.3), blade telescopic holes (5.1) with the same cross section as the blades (3.1) are formed in the blade telescopic rotating shafts (5), and the blades (3.1) of the rotor assembly (3) penetrate through the corresponding blade telescopic holes (5.1) to extend out of the drum assembly (4).

6. A rotor device comprising a rotor drum mechanism (2) and a cylinder assembly (1) according to any one of claims 1 to 5, wherein the rotor drum mechanism (2) is arranged in the cylinder assembly (1), the ends of blades (3.1) extending from the drum assembly (4) are attached to the inner wall surface of the cylinder assembly (1), the at least three blades (3.1) are mutually restricted in the cylinder assembly (1), the rotor assembly (3) is always concentric with the cylinder assembly (1) during rotation, and the drum assembly (4) is eccentrically arranged in the cylinder assembly (1).

7. The rotor apparatus of claim 6, wherein: the cylinder assembly (1) is composed of a cylinder body (1.1), a cylinder cover (1.2) and a cylinder sleeve (1.3), the rotor drum mechanism (2) is arranged in the cylinder sleeve (1.3), the cylinder sleeve (1.3) is rotatably arranged in a round hole of the cylinder body (1.1), and main shafts (4.4) at the left end and the right end of the cylinder assembly (4) in the axial direction are positioned on a cylinder body bearing.

8. The rotor apparatus of claim 7, wherein: be provided with cylinder liner bearing (1.4) between cylinder liner (1.3) and cylinder body (1.1) inner wall, the tip laminating of blade (3.1) is at the internal wall face of cylinder liner (1.3), just the terminal surface of blade (3.1) is the arcwall face with cylinder liner (1.3) internal wall face complex, cylinder liner (1.3) can be in cylinder liner bearing (1.4) free rotation.

9. A rotary engine constituted by the rotor apparatus according to any one of claims 6 to 8, characterized in that: the device comprises two groups of free blade rotor devices and a partition plate (6), wherein the two groups of free blade rotor devices are symmetrically arranged on two sides of the partition plate (6), main shafts on corresponding sides of a drum assembly (4) in the two groups of free blade rotor devices are connected with each other, the free blade rotor device on one side of the partition plate (6) is used for air suction and compression, the free blade rotor device on the other side of the partition plate (6) is used for work and air exhaust, a combustion chamber (7) is arranged in the partition plate (6), the combustion chamber (7) is associated with respective air pressing cavities and work applying cavities of the free blade rotor devices on two sides of the partition plate (6) through a partition plate air passage (8) formed in the partition plate (6) and a rotary drum air passage (9) formed in the drum assembly (4), and the rotary drum air passage (9) and the partition plate air passage (8) are alternatively dislocated or aligned in the rotating, the air passage is opened or closed, and the four-stroke cycle functions of air suction, compression, work application and exhaust are completed.

10. The rotary engine as recited in claim 9, wherein: the combustion chamber (7) is provided with an adjusting device capable of adjusting the combustion volume of the combustion chamber.