Four-cylinder rotating wheel synchronous rotation mechanism

Abstract

The invention discloses a four-cylinder rotating wheel synchronous rotation mechanism which comprises a stator, a transmission shaft, a rotating wheel, an inner piston, an outer piston and a runner disc. A transmission shaft is arranged in a bearing seat of an end cover of the stator; the inner piston is fixedly arranged on a shaft body of the transmission shaft; the rotating wheel is arranged in the stator, and an outer cylinder is axially arranged on the rotating wheel; the outer piston is arranged in the outer cylinder to form a first cylinder and a second cylinder. And an inner cylinder body is axially arranged on the outer piston and is separated by the inner piston to form a third air cylinder and a fourth air cylinder. The transmission shaft rotates, the inner piston drives the outer piston to slide in a cross mode and drives the rotating wheel to synchronously rotate in a rotating mode, the element volumes of the first cylinder, the second cylinder, the third cylinder and the fourth cylinder are changed, and fluid conveying work is conducted. The structure is novel, manufacturing is easy, the fluid conveying volume efficiency is high, and structural subversive innovation can be conducted on an existing fluid machine.

Description

Technical Field

[0001] The present invention is a four-cylinder runner synchronous gyration mechanism for fluid machinery, and relates to the technical field of fluid machinery such as positive-displacement pumps, hydraulic motors, pneumatic motors, compressors, and flow meters. Background Art

[0002] Positive-displacement fluid machinery relies on working elements to change the working volume to achieve energy conversion. However, existing positive-displacement machinery cannot meet market demands due to various defects in the working mechanism. The inventor of the present application has applied for invention patents with the patent numbers: CN201910315243.7 and CN201910351932.3; four-cylinder operation and four-cylinder variable operation are achieved through two superimposed runner pistons, but this technology has defects such as complex structure and difficult processing; through long-term research and a large number of prototype tests, the inventor has developed a four-cylinder runner synchronous gyration mechanism with a simple structure and high volumetric efficiency. Summary of the Invention

[0003] The object of the present invention is to provide a four-cylinder runner synchronous gyration mechanism, which is used as a working mechanism of positive-displacement fluid machinery, and conducts a subversive technological innovation on the structures of existing fluid machinery such as pumps, hydraulic motors, pneumatic motors, compressors, and flow meters.

[0004] To achieve the above object, the technical measures taken are as follows: A four-cylinder rotary synchronous gyroscopic mechanism includes a stator, a transmission shaft, a runner, an inner piston, an outer piston and a runner plate. A transmission shaft is arranged in the bearing seat of the end cover of the stator, and the transmission shaft is eccentrically arranged relative to the cylinder liner of the stator. A shaft hole is arranged in the central part of the inner piston, and the shaft body of the transmission shaft is fixedly arranged in the shaft hole; the first sliding surface and the second sliding surface on the inner piston are parallel to each other. The runner is arranged in the stator, and an outer cylinder is axially arranged on the runner; the first inner sliding surface and the second inner sliding surface in the outer cylinder are parallel to each other. The outer piston is arranged in the outer cylinder, dividing the outer cylinder into a first cylinder and a second cylinder. The upper sliding surface of the outer piston contacts and slides with the first inner sliding surface, and the lower sliding surface of the outer piston contacts and slides with the second inner sliding surface. An inner cylinder body is axially arranged on the outer piston, and the left sliding surface of the inner cylinder body contacts and slides with the first sliding surface of the inner piston, and the right sliding surface of the inner cylinder body contacts and slides with the second sliding surface of the inner piston. The inner piston divides the inner cylinder body into a third cylinder and a fourth cylinder. When the transmission shaft rotates, the inner piston drives the outer piston to slide crosswise and drives the runner to rotate synchronously. The basic volumes of the first cylinder, the second cylinder, the third cylinder and the fourth cylinder change to carry out fluid transportation work. An outer suction channel and an outer discharge channel are arranged on the runner surface of the runner plate, and the fluids in the first cylinder and the second cylinder carry out fluid transportation work through the outer suction channel and the outer discharge channel. A rotating shaft hole is arranged on the runner surface, and the shaft body of the transmission shaft is arranged in the rotating shaft hole; an inner suction channel and an inner discharge channel are annularly arranged outside the rotating shaft hole on the runner surface, and the fluids in the third cylinder and the fourth cylinder carry out fluid transportation work through the inner suction channel and the inner discharge channel.

[0005] Preferably, the four-cylinder rotary synchronous gyroscopic mechanism performs variable displacement work. The cylinder liner is arranged in the stator ring of the variable device, and the stator ring swings or slides linearly, and the eccentricity between the transmission shaft and the cylinder liner changes to perform variable displacement work.

[0006] Preferably, the four-cylinder rotary synchronous gyroscopic mechanism is used as the working mechanism of a pump or a hydraulic motor. The maximum working volumes of the first cylinder, the second cylinder, the third cylinder and the fourth cylinder are equal; when transporting liquids, the fluid pulsation is small and the noise is low.

[0007] Preferably, the four-cylinder rotary synchronous gyroscopic mechanism is used as the working mechanism of a compressor. An outer suction channel and an inner suction channel are arranged on the runner surface, and an outer exhaust valve and an inner exhaust valve are also arranged on the runner surface. When the transmission shaft rotates one circle, four gas compression operations are performed. For the air replenishment work in the compressor cylinder, an outer air replenishment hole and an inner air replenishment hole are arranged on the runner surface.

[0008] Preferably, the four-cylinder rotary synchronous gyration mechanism serves as the working mechanism of a two-stage compressor, and the volumes of the first cylinder and the second cylinder are larger than those of the third cylinder and the fourth cylinder. As the working mechanism of a pump, the four-cylinder rotary synchronous gyration mechanism can output fluids with two different pressures; as the working mechanism of a compressor, it can achieve two-stage compression operation.

[0009] Preferably, when the four-cylinder rotary synchronous gyration mechanism serves as the working mechanism of fluid machinery such as pumps or compressors and eight or more cylinders are required to work, several four-cylinder rotary synchronous gyration mechanisms share a transmission shaft.

[0010] Preferably, the upper runner plate and the lower runner plate of the four-cylinder rotary synchronous gyration mechanism are arranged at the upper and lower ends of the cylinder liner. The upper runner plate is provided with an outer suction runner and an inner suction runner, and the lower runner plate is provided with an outer discharge runner and an inner discharge runner.

[0011] Preferably, the runner is provided with a first runner groove and a second runner groove. The first runner groove communicates with the third cylinder of the inner cylinder, and the second runner groove communicates with the fourth cylinder of the inner cylinder. Only the outer suction runner and the outer discharge runner need to be arranged on the runner plate surface of the runner plate. Or the outer suction runner and the outer discharge runner are arranged on the annular inner wall of the cylinder liner, and several runner holes are arranged on the runner. When the runner rotates, the first cylinder, the second cylinder, the third cylinder and the fourth cylinder communicate with the outer suction runner and the outer discharge runner through the runner holes for fluid transportation work.

[0012] Preferably, the working principle of the dynamic balance device is to eliminate the rotational reciprocating inertia force of the outer piston by simulating the motion characteristics of the four-cylinder rotary synchronous gyration mechanism. The inner slider of the dynamic balance device is arranged on the shaft body of the transmission shaft, the sliding sleeve is installed in the chute of the balance runner, and the inner slider is arranged in the inner chute of the sliding sleeve; the balance runner is arranged in the runner sleeve of the stator; the reciprocating motion direction of the sliding sleeve is opposite to the rotational reciprocating motion direction of the outer piston.

[0013] Preferably, in order to reduce the contact friction and wear between components, sealing elements are arranged on the contact sliding surfaces between the runner, the inner piston, the outer piston and the runner plate to improve the sealing effect. Or plane rolling bearings are arranged on the contact sliding surfaces between the runner, the inner piston, the outer piston and the runner plate to reduce the friction force. Or static pressure grooves are arranged on the contact sliding surfaces between the runner, the inner piston, the outer piston and the runner plate, and the contact friction and wear between components and the structural stability are reduced through static pressure support. Beneficial effects

[0014] Based on the above technical solutions, the present invention has at least one of the following beneficial effects: 1. The four-cylinder rotary synchronous gyration mechanism of the present invention drives the synchronous and equal-speed movement of the runner and the outer piston through the inner piston on the transmission shaft, with a simple structure and stable operation; 2. The four cylinders of the four-cylinder rotary synchronous gyration mechanism work through the gyration effect, and the fluid is conveyed through the fixedly installed flow channel disk, with novel structure and stable operation. 3. As the working mechanism of a pump, the four-cylinder rotary synchronous gyration mechanism has uniform flow rate and small pulsation when conveying liquid, and can replace pumps, hydraulic motors, and pneumatic motors with existing structures. 4. As the working mechanism of a pump, the four-cylinder rotary synchronous gyration mechanism can output two fluids with different pressures; as the working mechanism of a compressor, it can achieve single-stage or two-stage compression work, and can replace existing rolling rotor compressors and scroll compressors; the mechanisms can also work in series to achieve eight-cylinder or twelve-cylinder compression work. 5. As the working mechanism of a variable pump, the four-cylinder rotary synchronous gyration mechanism has a stable structure and sensitive response. 6. The seals between the rotary wheel, inner piston, outer piston and the flow channel disk of the four-cylinder rotary synchronous gyration mechanism are contact surface seals, with high volumetric efficiency of fluid conveyance. 7. The four-cylinder rotary synchronous gyration mechanism adopts a balancing device to balance the rotational reciprocating inertial force of the outer piston, further improving the working stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described in detail below with reference to the drawings.

[0016] Figure 1 FIG. is a schematic structural diagram of a four-cylinder rotary synchronous gyration mechanism of the present invention.

[0017] Figure 2 FIG. is a schematic structural diagram of the flow channel disk of a four-cylinder rotary synchronous gyration mechanism of the present invention.

[0018] Figure 3 FIG. is a schematic installation diagram of the exhaust valve of a four-cylinder rotary synchronous gyration mechanism of the present invention.

[0019] Figure 4 FIG. is a schematic diagram of the variable structure of a four-cylinder rotary synchronous gyration mechanism of the present invention.

[0020] Figure 5 FIG. is a schematic installation diagram of the upper and lower flow channel disks of the flow channel disk of a four-cylinder rotary synchronous gyration mechanism of the present invention.

[0021] Figure 6 FIG. is a schematic diagram of the flow channel structure of the rotary wheel of a four-cylinder rotary synchronous gyration mechanism of the present invention.

[0022] Figure 7 FIG. is a schematic working diagram of a pump of a four-cylinder rotary synchronous gyration mechanism of the present invention.

[0023] Figure 8 FIG. is a schematic working diagram of a two-stage compressor of a four-cylinder rotary synchronous gyration mechanism of the present invention.

[0024] Figure 9 It is the double-acting working structure diagram of a four-cylinder rotating wheel synchronous revolving mechanism of the present invention.

[0025] Figure 10 It is the installation structure diagram of the balance device of a four-cylinder rotating wheel synchronous revolving mechanism of the present invention.

[0026] 1 - Stator; 3 - Transmission shaft; 4 - Cylinder sleeve; 5 - Inner piston; 6 - Shaft hole; 7 - Shaft body; 9 - First sliding surface; 10 - Second sliding surface; 12 - Rotating wheel; 13 - Outer cylinder; 14 - First inner sliding surface; 15 - Second inner sliding surface; 21 - Outer piston; 22 - First cylinder; 23 - Second cylinder; 24 - Inner cylinder body; 25 - Third cylinder; 26 - Fourth cylinder; 27 - Upper sliding surface; 28 - Lower sliding surface; 29 - Left sliding surface; 31 - Runner plate; 32 - Runner plate surface; 33 - Outer suction runner; 34 - Outer discharge runner; 35 - Rotating shaft hole; 36 - Inner suction runner; 37 - Inner discharge runner; 38 - First runner groove; 39 - Right sliding surface; 40 - Second runner groove; 41 - Variable device; 42 - Stator ring; 43 - Runner hole; 51 - Outer exhaust valve; 52 - Inner exhaust valve; 53 - Outer air replenishing hole; 54 - Inner air replenishing hole; 60 - Upper runner plate; 61 - Lower runner plate; 62 - First inner piston; 63 - Second inner piston; 64 - Suction port; 65 - Discharge port; 70 - Dynamic balance device; 72 - Inner slider; 73 - Sliding sleeve; 74 - Balance rotating wheel; 75 - Inner chute; 76 - Rotating wheel sleeve. Detailed implementation manners

[0027] In order to make the objectives, technical solutions and advantages of the present invention more clear and understandable, the present invention will be further described in detail below with reference to specific embodiments and the accompanying drawings. Embodiment

[0028] Such as Figure 1As shown in the figure, a four-cylinder rotary synchronous gyratory mechanism includes a stator 1, a runner 12, an inner piston 5, a transmission shaft 3, an outer piston 21 and a runner disk 31. A transmission shaft 3 is arranged in a bearing seat of an end cover of the stator 1, and the transmission shaft 3 is eccentrically arranged relative to a cylinder liner 4 of the stator 1. A shaft hole 6 is arranged in a central part of the inner piston 5, and a shaft body 7 of the transmission shaft 3 is fixedly arranged in the shaft hole 6; a first sliding surface 9 and a second sliding surface 10 of the inner piston 5 are parallel to each other. The runner 12 is arranged in the stator 1, and an outer cylinder 13 is arranged inside the runner 12, and a first inner sliding surface 14 and a second inner sliding surface 15 of the outer cylinder 13 are parallel to each other. The outer piston 21 is arranged in the outer cylinder 13, an upper sliding surface 27 of the outer piston 21 contacts and slides with the first inner sliding surface 14, and a lower sliding surface 28 of the outer piston 21 contacts and slides with the second inner sliding surface 15; the outer piston 21 divides the outer cylinder 13 to form a first cylinder 22 and a second cylinder 23. An inner cylinder body 24 is axially arranged on the outer piston 21, a left sliding surface 29 of the inner cylinder body 24 contacts and slides with the first sliding surface 9 of the inner piston 5, and a right sliding surface 39 of the inner cylinder body 24 contacts and slides with the second sliding surface 10 of the inner piston 5. The inner piston 5 divides the inner cylinder body 24 to form a third cylinder 25 and a fourth cylinder 26. When the transmission shaft 3 rotates, the inner piston 5 drives the outer piston 21 to slide crosswise and drives the runner 12 to rotate synchronously; the basic volumes of the first cylinder 22, the second cylinder 23, the third cylinder 25 and the fourth cylinder 26 change to perform fluid delivery work. As Figure 2 shown in the figure, an outer suction runner 33 and an outer discharge runner 34 are arranged on a runner disk surface 32 of the runner disk 31, and fluids in the first cylinder 22 and the second cylinder 23 perform fluid delivery work through the outer suction runner 33 and the outer discharge runner 34. A rotating shaft hole 35 is arranged on the runner disk surface 32, and the shaft body 7 of the transmission shaft 3 is arranged in the rotating shaft hole 35; an inner suction runner 36 and an inner discharge runner 37 are annularly arranged outside the rotating shaft hole 35 of the runner disk surface 32; fluids in the third cylinder 25 and the fourth cylinder 26 perform fluid delivery work through the inner suction runner 36 and the inner discharge runner 37. As a working mechanism of a pump, the four-cylinder rotary synchronous gyratory mechanism has surface contact and sliding between the runner 12, the cylinder liner 4, the inner piston 5, the outer piston 21 and the runner disk 31. As Figure 1 shown in the figure, as a working mechanism of a pump or a hydraulic motor, the maximum working volumes of the first cylinder 22, the second cylinder 23, the third cylinder 25 and the fourth cylinder 26 are equal, and when delivering liquids, the fluid pulsation is small and the noise is low. As Figure 3As shown, the four-cylinder wheel synchronous gyration mechanism is used as the working mechanism of the compressor, and the flow channel disk surface 32 is provided with an external suction flow channel 33 and an internal suction flow channel 36, and the flow channel disk 31 is also provided with an external exhaust valve 51 and an internal exhaust valve 52. The compressor works by replenishing air in the cylinder, and the flow channel disk 31 is provided with an external air replenishment hole 53 and an internal air replenishment hole 54. The transmission shaft 3 rotates one circle, and four gas compression works are performed. The compressor improves the compression energy efficiency by replenishing air in the cylinder; the compressor is provided with a variable device and can also perform variable work according to the working conditions. In order to reduce the contact friction and wear between the components, seals (not shown in the figure) are provided on the contact sliding surfaces between the runner 12, the inner piston 5, the outer piston 21 and the flow channel plate 31 to improve the sealing effect; or plane rolling bearings are provided on the contact sliding surfaces between the runner 12, the inner piston 5, the outer piston 21 and the flow channel plate 31 to reduce friction; or static pressure grooves are provided on the contact sliding surfaces between the runner 12, the inner piston 5, the outer piston 21 and the flow channel plate 31 to reduce the contact friction and wear between the components and the structural stability through static pressure support. Example

[0029] like Figure 4 As shown, the four-cylinder wheel synchronous gyration mechanism performs variable displacement operation, and the cylinder sleeve 4 is arranged in the stator ring 42 of the variable device 41, and the cylinder sleeve 4 is provided with a runner 12, an inner piston 5 and an outer piston 21. The stator ring 42 swings, and the eccentricity between the transmission shaft 3 and the cylinder sleeve 4 changes to perform variable displacement operation. The working characteristics of the four-cylinder wheel synchronous gyration mechanism as a variable displacement pump or compressor are similar to the working characteristics of a vane variable displacement pump, and both use swinging or linear sliding to change the eccentricity to achieve the volume change of the pump volume chamber. Example

[0030] like Figure 5 As shown, the upper flow channel plate 60 and the lower flow channel plate 61 of the four-cylinder wheel synchronous rotation mechanism are arranged at the upper and lower ends of the cylinder sleeve 4, the upper flow channel plate 60 is provided with an outer suction flow channel 33 and an inner suction flow channel 36, and the lower flow channel plate 61 is provided with an outer discharge flow channel 34 and an inner discharge flow channel 37. Figure 6 As shown, the runner 12 is provided with a first flow channel groove 38 and a second flow channel groove 40, the first flow channel groove 38 is communicated with the third cylinder 25 of the inner cylinder 24, and the second flow channel groove 40 is communicated with the fourth cylinder 26 of the inner cylinder 24; only the external suction flow channel 33 and the external discharge flow channel 34 need to be provided on the flow channel plate surface 32 of the flow channel plate 31. Figure 7 As shown, an external suction flow channel 33 and an external discharge flow channel 34 are provided on the annular inner wall of the cylinder sleeve 4, and four flow channel holes 43 are provided on the runner 12. When the runner 12 rotates, the first cylinder 22, the second cylinder 23, the third cylinder 25 and the fourth cylinder 26 communicate with the external suction flow channel 33 and the external discharge flow channel 34 through the flow channel holes 43 to carry out fluid transportation. Example

[0031] As Figure 8 shown, for the four-cylinder rotating wheel synchronous gyration mechanism as the working mechanism of a pump or a two-stage compressor, the volumes of the first cylinder 22 and the second cylinder 23 are larger than those of the third cylinder 25 and the fourth cylinder 26. As the working mechanism of a pump, the four-cylinder rotating wheel synchronous gyration mechanism can output two fluids with different pressures; as the working mechanism of a compressor, two-stage compression work can be achieved. When the four-cylinder rotating wheel synchronous gyration mechanism is used as the working mechanism of fluid machinery such as pumps or compressors and eight or more cylinders are required to work, several four-cylinder rotating wheel synchronous gyration mechanisms share a transmission shaft. As Figure 9 shown, a first inner piston 62 and a second inner piston 63 are arranged on the transmission shaft 3, and the positions of the first inner piston 62 and the second inner piston 63 are staggered by 45°. The first flow channel disk 66 is arranged on the left side of the second flow channel disk 67, and the two working mechanisms inhale fluid through a suction port 64 and discharge fluid through a discharge port 65. Embodiment

[0032] As Figure 10 shown, the working principle of the dynamic balance device 70 is to eliminate the rotational reciprocating inertia force of the outer piston 21 by simulating the motion characteristics of the four-cylinder rotating wheel synchronous gyration mechanism. The inner slider 72 of the dynamic balance device 70 is arranged on the shaft body 7 of the transmission shaft 3, the sliding sleeve 73 is arranged in the sliding groove of the balance rotating wheel 74, and the inner slider 72 is arranged in the inner sliding groove 75 of the sliding sleeve 73. The balance rotating wheel 74 is arranged in the rotating wheel sleeve 76 of the stator. When the rotating wheel 12 rotates, the reciprocating motion direction of the sliding sleeve 73 is opposite to the rotational reciprocating motion direction of the outer piston 21.

[0033] It should also be noted that the directional terms mentioned in the embodiments, such as "up", "down", "inside", "outside", etc., are only references to the directions in the attached drawings and are not used to limit the protection scope of the present invention. In addition, unless specifically described or steps that must occur in sequence, the order of the above steps is not limited to those listed above and can be changed or rearranged according to the required design. And the above embodiments can be mixed and matched with each other or with other embodiments based on considerations of design and reliability, that is, the technical features in different embodiments can be freely combined to form more embodiments.

[0034] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments are obvious to those skilled in the art; the general principles defined herein can be embodied in other instances without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A four-cylinder rotating wheel synchronous rotation mechanism, characterized in that: include: A stator (1), wherein a transmission shaft (3) is arranged in a bearing seat of an end cover thereof, wherein the transmission shaft (3) is eccentrically arranged relative to a cylinder sleeve (4) of the stator (1); The inner piston (5) has an axial hole (6) at its center, and the shaft body (7) of the transmission shaft (3) is fixedly arranged in the axial hole (6); the first sliding surface (9) and the second sliding surface (10) of the inner piston (5) are parallel to each other; A rotating wheel (12) is arranged in the stator (1); an outer cylinder (13) is axially arranged on the rotating wheel (12); a first inner sliding surface (14) and a second inner sliding surface (15) of the outer cylinder (13) are parallel to each other; An outer piston (21) is arranged in the outer cylinder (13) to separate the outer cylinder (13) into a first cylinder (22) and a second cylinder (23); an upper sliding surface (27) of the outer piston (21) slides in contact with the first inner sliding surface (14), and a lower sliding surface (28) of the outer piston (21) slides in contact with the second inner sliding surface (15); an inner cylinder body (24) is axially arranged on the outer piston (21), and a left sliding surface (29) of the inner cylinder body (24) slides in contact with the first sliding surface (9) of the inner piston (5) , the right sliding surface (39) of the inner cylinder body (24) contacts and slides with the second sliding surface (10) of the inner piston (5); the inner piston (5) is separated in the inner cylinder body (24) to form a third cylinder (25) and a fourth cylinder (26); the transmission shaft (3) rotates, the inner piston (5) drives the outer piston (21) to slide crosswise, and drives the rotating wheel (12) to rotate synchronously, and the basic volume of the first cylinder (22), the second cylinder (23), the third cylinder (25) and the fourth cylinder (26) changes, thereby performing fluid transportation work; A flow channel plate (31) is provided with an external suction flow channel (33) and an external discharge flow channel (34) on its flow channel plate surface (32); the fluid in the first cylinder (22) and the second cylinder (23) is transported through the external suction flow channel (33) and the external discharge flow channel (34); a rotating shaft hole (35) is provided on the flow channel plate surface (32), and the shaft body (7) of the transmission shaft (3) is arranged in the rotating shaft hole (35); an internal suction flow channel (36) and an internal discharge flow channel (37) are provided in an annular shape outside the rotating shaft hole (35) of the flow channel plate surface (32); the fluid in the third cylinder (25) and the fourth cylinder (26) is transported through the internal suction flow channel (36) and the internal discharge flow channel (37).

2. A four-cylinder rotating wheel synchronous rotation mechanism according to claim 1, characterized in that: The four-cylinder rotary synchronous swivel mechanism performs variable displacement operation, wherein the cylinder sleeve (4) is arranged in the stator ring (42) of the variable displacement device (41), the stator ring (42) swings or slides linearly, and the eccentricity between the transmission shaft (3) and the cylinder sleeve (4) changes to perform variable displacement operation.

3. A four-cylinder rotating wheel synchronous rotation mechanism according to claim 1 or 2, characterized in that: The four-cylinder rotary synchronous rotating mechanism is used as a working mechanism of a pump or a hydraulic motor, wherein the maximum working volumes of the first cylinder (22), the second cylinder (23), the third cylinder (25) and the fourth cylinder (26) are equal; and when the liquid is transported, the fluid pulsation is small and the noise is low.

4. A four-cylinder rotating wheel synchronous rotation mechanism according to claim 1 or 2, characterized in that: The four-cylinder rotor synchronous gyration mechanism is used as the working mechanism of the compressor. The flow channel disk surface (32) is provided with an external suction flow channel (33) and an internal suction flow channel (36), and the flow channel disk (31) is also provided with an external exhaust valve (51) and an internal exhaust valve (52). The transmission shaft (3) rotates one circle to perform four gas compression operations. The compressor cylinder performs air replenishment operation, and the flow channel disk (31) is provided with an external air replenishment hole (53) and an internal air replenishment hole (54).

5. A four-cylinder rotating wheel synchronous rotation mechanism according to claim 4, characterized in that: The four-cylinder rotary synchronous mechanism serves as a working mechanism of a two-stage compressor, wherein the volumes of the first cylinder (22) and the second cylinder (23) are greater than the volumes of the third cylinder (25) and the fourth cylinder (26); the four-cylinder rotary synchronous mechanism serves as a working mechanism of a pump and can output two fluids with different pressures; and as a working mechanism of a compressor, it can realize two-stage compression.

6. A four-cylinder rotating wheel synchronous rotation mechanism according to claim 1 or 2, characterized in that: When the four-cylinder rotary wheel synchronous revolving mechanism is used as a working mechanism of a fluid machine such as a pump or a compressor and eight or more cylinders are required to work, a plurality of four-cylinder rotary wheel synchronous revolving mechanisms share a transmission shaft (3).

7. A four-cylinder rotating wheel synchronous rotation mechanism according to claim 1 or 2, characterized in that: The upper flow channel plate (60) and the lower flow channel plate (61) of the four-cylinder rotary synchronous swivel mechanism are arranged at the upper and lower ends of the cylinder sleeve (4); the upper flow channel plate (60) is provided with an external suction flow channel (33) and an internal suction flow channel (36); and the lower flow channel plate (61) is provided with an external discharge flow channel (34) and an internal discharge flow channel (37).

8. A four-cylinder rotating wheel synchronous rotation mechanism according to claim 1 or 2, characterized in that: The runner (12) is provided with a first flow channel groove (38) and a second flow channel groove (40), the first flow channel groove (38) is communicated with the third cylinder (25) of the inner cylinder (24), the second flow channel groove (40) is communicated with the fourth cylinder (26) of the inner cylinder (24), and the flow channel disk surface (32) of the flow channel disk (31) only needs to be provided with an external suction flow channel (33) and an external discharge flow channel (34); or the annular inner wall of the cylinder sleeve (4) is provided with an external suction flow channel (33) and an external discharge flow channel (34); the runner (12) is provided with a plurality of flow channel holes (43), and when the runner (12) rotates, the first cylinder (22), the second cylinder (23), the third cylinder (25) and the fourth cylinder (26) are communicated with the external suction flow channel (33) and the external discharge flow channel (34) through the flow channel holes (43) to perform fluid conveying work.

9. A four-cylinder rotating wheel synchronous rotation mechanism according to claim 1 or 2, characterized in that: The working principle of the dynamic balancing device (70) is to eliminate the rotational reciprocating inertia force of the outer piston (21) by simulating the motion characteristics of a four-cylinder rotary synchronous swivel mechanism; the inner slider (72) of the dynamic balancing device (70) is arranged on the shaft body (7) of the transmission shaft (3); the sliding sleeve (73) is arranged in the sliding groove of the balancing wheel (74); the inner slider (72) is arranged in the inner sliding groove (75) of the sliding sleeve (73); the balancing wheel (74) is arranged in the wheel sleeve (76) of the stator; the reciprocating motion direction of the sliding sleeve (73) is opposite to the rotational reciprocating motion direction of the outer piston (21).

10. A four-cylinder rotating wheel synchronous rotation mechanism according to claim 1 or 2, characterized in that: In order to reduce contact friction and wear between the various components, a sealing member is provided on the contact sliding surfaces between the runner (12), the inner piston (5), the outer piston (21) and the flow channel plate (31) to improve the sealing effect; or a plane rolling bearing is provided on the contact sliding surfaces between the runner (12), the inner piston (5), the outer piston (21) and the flow channel plate (31) to reduce friction; or a static pressure groove is provided on the contact sliding surfaces between the runner (12), the inner piston (5), the outer piston (21) and the flow channel plate (31) to reduce contact friction and wear between the various components and reduce structural stability through static pressure support.

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