Rotary tooth type oil-free natural gas compressor

Abstract

The invention discloses a rotary tooth type oil-free natural gas compressor, and belongs to the technical field of natural gas compression. The device comprises a dust cover, a damping plate, a damping seat, four stabilizing supports, a gyroscope balance assembly and a natural gas compression assembly, the dust cover is arranged on the outer side of the device, the four stabilizing supports are installed on the damping seat, the damping plate is arranged on the four stabilizing supports, the gyroscope balance assembly is arranged at the bottom of the damping plate, and the natural gas compression assembly is arranged on the damping plate. The natural gas compression assembly is installed above the damping plate through the equipment support, the gyroscope balance assembly and the four stabilizing supports conduct damping on the natural gas compression assembly, the natural gas compression assembly compresses natural gas, and when the inertia wheel rotates at a high speed, a force in the same direction as the axis is generated. And the direction of the moment of momentum is stable and is not easy to change, so that the stability of the damping plate can be effectively ensured, the vibration of the damping plate caused by vibration generated during the operation of the rotary tooth type compressor is avoided, the damping effect is achieved, and the operation noise is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of natural gas compression, in particular to a rotary gear type oil-free natural gas compressor. Background Art

[0002] In the field of process gas compression, conventional natural gas compressors are oil-free piston compressors or centrifugal compressors. Oil-free pistons are suitable for high-pressure fields, with pressures of more than 20 MPA, but the maintenance cost is relatively high, and maintenance is required every 4,000 hours. The maintenance is complicated and requires professional maintenance. Centrifuges are suitable for stable large air volume fields, 80m 3 / min or more, oil-free rotary gear natural gas compressor is suitable for flow rate of 30m 3 It works in a small flow environment below 0.03 MPa and a low pressure environment below 0.8 MPa. It is easy to maintain and needs only replacement of lubricating oil and oil filter every 8,000 hours. It can be operated by general staff after simple training.

[0003] However, the noise and vibration generated by the operation of the equipment pressure compression equipment is also one of the difficult problems to overcome. Therefore, these devices can only be set up in a location far away from the office area to reduce noise interference. The vibration of the equipment is a hidden danger in the mechanical field. Long-term vibration will cause the equipment to loosen and wear, and ultimately reduce the service life of the equipment. Summary of the invention

[0004] The object of the present invention is to provide a rotary tooth type oil-free natural gas compressor to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a rotary gear oil-free natural gas compressor, comprising a dust cover, a shock absorbing plate, a shock absorbing seat, four stable brackets, a gyroscope balancing assembly and a natural gas compression assembly, wherein the dust cover is arranged on the outside of the equipment, the four stable brackets are installed on the shock absorbing seat, the shock absorbing plate is arranged on the four stable brackets, the gyroscope balancing assembly is arranged at the bottom of the shock absorbing plate, the natural gas compression assembly is installed above the shock absorbing plate through the equipment bracket, the gyroscope balancing assembly and the four stable brackets reduce shock to the natural gas compression assembly, and the natural gas compression assembly compresses natural gas.

[0006] Furthermore, the natural gas compression assembly includes a drive motor, a gearbox, a spiral gear compressor, a circulating cooler, an air inlet pipe and an air outlet pipe. The drive motor is connected to the input end of the gearbox, the output end of the gearbox is connected to the spiral gear compressor, the air inlet pipe is connected to the air inlet end of the spiral gear compressor, the air outlet end of the spiral gear compressor is connected to one end of the circulating cooler, and the other end of the circulating cooler is connected to the air outlet pipe. The drive motor drives the spiral gear compressor to work through the gearbox, and the spiral gear compressor compresses the natural gas. The pressure of the compressed natural gas increases and the temperature also increases. After being cooled by the circulating cooler, the natural gas enters the air outlet pipe.

[0007] Furthermore, female teeth and male teeth are arranged inside the spiral gear compressor, a sealing ring is arranged between the gearbox and the spiral gear compressor, an oil discharge hole is opened on the side where the spiral gear compressor is connected to the gearbox, the sealing ring blocks the lubricating oil in the gearbox from entering the spiral gear compressor, and the oil discharge hole discharges the lubricating oil thrown to the spiral gear compressor, thereby preventing the lubricating oil from contaminating the natural gas.

[0008] Furthermore, the gyroscope balancing assembly includes an inverted suspension, an inertia wheel and a servo motor, the inverted suspension is installed at the bottom of the shock absorbing plate, the servo motor is arranged on the inverted suspension, the inertia wheel is connected to the motor shaft of the servo motor, the motor shaft of the servo motor passes through the inertia wheel, and the servo motor drives the inertia wheel to rotate at high speed after being energized. When the inertia wheel rotates at high speed, a force in the same direction as the axis is generated, and the direction of the angular momentum is stable and not easy to change. Therefore, the stability of the shock absorbing plate can be effectively guaranteed, and the vibration generated during the operation of the rotary gear compressor can be avoided to cause the shock absorbing plate to shake, thereby achieving a shock absorbing effect and reducing the noise during the operation of the equipment.

[0009] Furthermore, the four stabilizing brackets are respectively connected to the four corners of the shock-absorbing plate, and each stabilizing bracket includes a center column, a rotating sleeve, a sliding bevel gear ring and a steel ball. The center column is connected to the shock-absorbing plate, and the steel ball is rollingly installed at the bottom of the center column. The rotating sleeve is rotatably connected to the center column, and the sliding bevel gear ring is slidably installed on the center column. The sliding bevel gear ring is located at the bottom of the rotating sleeve. When the equipment is shut down, the sliding bevel gear ring fits the thrust ball bearing under the action of gravity so that the entire equipment is rigidly supported. When the servo motor is working, it drives the upper sprocket and the lower sprocket to rotate at the same time. The upper sprocket and the lower sprocket respectively drive all the driven sprockets to rotate through the upper chain and the lower chain. When the driven sprocket rotates, all the rotating sleeves rotate at high speed.

[0010] Furthermore, a number of adapter blocks are evenly distributed in a circle on the rotating sleeve, each of the adapter blocks is rotatably installed with the rotating sleeve, a fan blade is installed at one end of each adapter block away from the rotating sleeve, connecting rods are connected on both sides of each adapter block, and the other end of the connecting rod is rotatably connected to the sliding bevel gear ring. In the process of gradually accelerating the rotation of the rotating sleeve, the fan blades on the rotating sleeve are upwardly expanded under the action of the rotating centrifugal force, and the adapter block rotates in the rotating sleeve as the fan blades are expanded. The adapter block pulls the sliding bevel gear ring upward through the connecting rod, so that the sliding bevel gear ring is separated from the thrust ball bearing. At this time, the gravity of the equipment is transmitted to the ground through the steel balls at the bottom of the center column.

[0011] Furthermore, the center column passes through the shock-absorbing seat, and a thrust ball bearing is installed at the penetration point of the shock-absorbing seat corresponding to the center column. At least three winding sleeves are rotatably installed inside the shock-absorbing seat, and at least three winding sleeves are evenly distributed in a circle. The center column is rotatably installed with the same number of magnetic strips as the winding sleeves, and the magnetic strips are slidably installed in the winding sleeves. A spring is also arranged between the winding sleeves and the magnetic strips. After the sliding bevel gear ring is separated from the thrust ball bearing, the magnetic strips slide freely in the winding sleeves. When the shock-absorbing plate is displaced in the horizontal direction, the magnetic strips are driven to slide in the winding sleeves. According to Lenz's law, the winding sleeves will generate an induced magnetic field that hinders the movement of the magnetic strips, thereby weakening the horizontal displacement of the shock-absorbing plate, further damping the horizontal displacement caused by the vibration of the rotary gear compressor during operation, and the spring pushes the magnetic strips back to their original position to achieve the resetting of the shock-absorbing plate, thereby achieving the effect of stable shock absorption for the entire equipment.

[0012] Furthermore, an upper sprocket and a lower sprocket are installed on the motor of the servo motor, the lower sprocket is located above the inertia wheel, and the upper sprocket is located above the lower sprocket. A driven sprocket is installed on the upper part of each rotating sleeve, and the driven sprockets on the two diagonally arranged rotating sleeves are connected to the upper sprocket through an upper chain, and the driven sprockets on the other two diagonally arranged rotating sleeves are connected to the lower sprocket through a lower chain. When the fan blades rotate at high speed, they blow air to the entire device to achieve cooling and dust removal of the equipment. After the equipment stops running, the servo motor also stops working, and the fan blades and the sliding bevel gear ring drop simultaneously under the action of gravity, and the sliding bevel gear ring contacts the thrust ball bearing to support the equipment.

[0013] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0014] When the inertia wheel rotates at high speed, it generates a force in the same direction as the axis. The direction of the angular momentum is stable and not easy to change. Therefore, it can effectively ensure the stability of the damping plate and prevent the vibration generated during the operation of the rotary gear compressor from causing the damping plate to shake, thereby achieving a shock-absorbing effect and reducing the noise during the operation of the equipment. When the damping plate is displaced horizontally, the magnetic strip slides in the winding sleeve. According to Lenz's law, the winding sleeve will generate an induced magnetic field that hinders the movement of the magnetic strip, thereby weakening the horizontal displacement of the damping plate, further damping the horizontal displacement caused by the vibration of the rotary gear compressor during operation. When the fan blades rotate at high speed, they blow air to the entire equipment to achieve cooling and dust removal of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 The appearance structure of the present invention is schematically shown Figure 1 ;

[0017] Figure 2 This is a schematic diagram of the appearance structure of the present invention Figure 2 ;

[0018] Figure 3 This is a schematic diagram of the appearance structure of the present invention Figure 3 ;

[0019] Figure 4 It is a schematic diagram of the internal structure of the rotary gear compressor of the present invention;

[0020] Figure 5 It is a schematic diagram of the structure of the gyroscope balance assembly and the stabilizing bracket of the present invention;

[0021] Figure 6 It is a schematic diagram of the installation structure of the stabilizing bracket of the present invention;

[0022] Figure 7 is a schematic diagram of the internal structure of the stabilizing bracket of the present invention;

[0023] Figure 8 It is a schematic diagram of the suction, sealing, compression and exhaust working process of the rotary gear compressor of the present invention;

[0024] In the figure: 1. Dust cover; 2. Shock absorber plate; 3. Drive motor; 4. Gearbox; 5. Gear compressor; 6. Circulating cooler; 7. Inlet pipe; 8. Exhaust pipe; 9. Shock absorber seat; 10. Inverted suspension; 11. Inertia wheel; 12. Servo motor; 13. Upper sprocket; 14. Lower sprocket; 15. Upper chain; 16. Lower chain; 17. Stabilizing bracket; 18. Center column; 19. Steel ball; 20. Winding sleeve; 21. Magnetic strip; 22. Thrust ball bearing; 23. Sliding bevel gear ring; 24. Rotating sleeve; 25. Adapter block; 26. Connecting rod; 27. Fan blade. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See also Figure 1-Figure 8 The present invention provides a technical solution: a rotary gear oil-free natural gas compressor, comprising a dust cover 1, a shock absorbing plate 2, a shock absorbing seat 9, four stable brackets 17, a gyroscope balancing assembly and a natural gas compression assembly, the dust cover 1 is arranged on the outside of the equipment, the four stable brackets 17 are installed on the shock absorbing seat 9, the shock absorbing plate 2 is arranged on the four stable brackets 17, the gyroscope balancing assembly is arranged at the bottom of the shock absorbing plate 2, the natural gas compression assembly is installed above the shock absorbing plate 2 through the equipment bracket, the gyroscope balancing assembly and the four stable brackets 17 reduce shock to the natural gas compression assembly, and the natural gas compression assembly compresses natural gas.

[0027] The natural gas compression assembly includes a drive motor 3, a gearbox 4, a tooth compressor 5, a circulation cooler 6, an air inlet pipe 7 and an air outlet pipe 8. The drive motor 3 is connected to the input end of the gearbox 4, the output end of the gearbox 4 is connected to the tooth compressor 5, the air inlet pipe 7 is connected to the air inlet end of the tooth compressor 5, the air outlet end of the tooth compressor 5 is connected to one end of the circulation cooler 6, and the other end of the circulation cooler 6 is connected to the air outlet pipe 8. The tooth compressor 5 is provided with female teeth and male teeth, a sealing ring is provided between the gearbox 4 and the tooth compressor 5, and an oil discharge hole is provided on the side where the tooth compressor 5 is connected to the gearbox 4. The drive motor 3 drives the tooth compressor 5 to work through the gearbox 4, and the tooth compressor 5 compresses the natural gas. The pressure and temperature of the compressed natural gas increase, and the natural gas enters the air outlet pipe 8 after being cooled by the circulation cooler 6. The sealing ring blocks the lubricating oil in the gearbox 4 from entering the tooth compressor 5, and the oil discharge hole discharges the lubricating oil thrown to the tooth compressor 5, thereby preventing the lubricating oil from contaminating the natural gas.

[0028] The gyroscope balancing assembly includes an inverted suspension 10, an inertia wheel 11 and a servo motor 12. The inverted suspension 10 is installed at the bottom of the shock absorbing plate 2, and the servo motor 12 is arranged on the inverted suspension 10. The inertia wheel 11 is connected to the motor shaft of the servo motor 12, and the motor shaft of the servo motor 12 passes through the inertia wheel 11. The motor of the servo motor 12 is also equipped with an upper sprocket 13 and a lower sprocket 14. The lower sprocket 14 is located above the inertia wheel 11, and the upper sprocket 13 is located above the lower sprocket 14. A driven sprocket is installed on the upper part of each rotating sleeve 24. After the servo motor 12 is energized, it drives the inertia wheel 11 to rotate at a high speed. When the inertia wheel 11 rotates at a high speed, a force in the same direction as the axis is generated, and the direction of the angular momentum is stable and not easy to change. Therefore, the stability of the shock absorbing plate 2 can be effectively guaranteed, and the vibration generated during the operation of the rotary gear compressor 5 can be avoided to cause the shock absorbing plate 2 to shake, thereby achieving a shock absorbing effect and reducing the noise during the operation of the equipment.

[0029] Four stable brackets 17 are respectively connected to the four corners of the damping plate 2. Each stable bracket 17 includes a central column 18, a rotating sleeve 24, a sliding bevel gear ring 23 and a steel ball 19. The central column 18 is connected to the damping plate 2. The steel ball 19 is rollingly installed at the bottom of the central column 18. The rotating sleeve 24 is rotatably connected to the central column 18. The sliding bevel gear ring 23 is slidably installed on the central column 18. The sliding bevel gear ring 23 is located at the bottom of the rotating sleeve 24. The rotating sleeve 24 is evenly installed with a number of steel balls 19 in a circular shape. There are adapter blocks 25, each of which is rotatably installed with the rotating sleeve 24. A fan blade 27 is installed at one end of each adapter block 25 away from the rotating sleeve 24. Connecting rods 26 are connected to both sides of each adapter block 25. The other end of the connecting rod 26 is rotatably connected to the sliding bevel gear ring 23. The driven sprockets on the two diagonally arranged rotating sleeves 24 are connected to the upper sprocket 13 through the upper chain 15, and the driven sprockets on the other two diagonally arranged rotating sleeves 24 are connected to the lower sprocket 14 through the lower chain 16.

[0030] When the equipment is shut down, the sliding bevel gear ring 23 fits against the thrust ball bearing 22 under the action of gravity, so that the entire equipment is rigidly supported. When the servo motor 12 works, it drives the upper sprocket 13 and the lower sprocket 14 to rotate at the same time. The upper sprocket 13 and the lower sprocket 14 respectively drive all the driven sprockets to rotate through the upper chain 15 and the lower chain 16. When the driven sprockets rotate, all the rotating sleeves 24 rotate at high speed. In the process of gradually accelerating the rotation of the rotating sleeve 24, the fan blades 27 on the rotating sleeve 24 are upwardly expanded under the action of the rotating centrifugal force. The adapter block 25 rotates in the rotating sleeve 24 as the fan blades 27 are expanded. The adapter block 25 pulls the sliding bevel gear ring 23 upward through the connecting rod 26, so that the sliding bevel gear ring 23 is separated from the thrust ball bearing 22. At this time, the gravity of the equipment is transmitted to the ground through the steel ball 19 at the bottom of the center column 18.

[0031] The center column 18 passes through the shock-absorbing seat 9, and a thrust ball bearing 22 is installed at the penetration point of the shock-absorbing seat 9 corresponding to the center column 18. At least three winding sleeves 20 are installed for rotation inside the shock-absorbing seat 9, and at least three winding sleeves 20 are evenly distributed in a circular shape. The center column 18 is rotatably installed with the same number of magnetic strips 21 as the winding sleeves 20. The magnetic strips 21 are slidably installed in the winding sleeves 20, and a spring is also provided between the winding sleeves 20 and the magnetic strips 21. After the sliding bevel gear ring 23 is separated from the thrust ball bearing 22, the magnetic strips 21 slide freely in the winding sleeves 20. When the shock-absorbing plate 2 is displaced in the horizontal direction, the magnetic strips 21 are driven to slide in the winding sleeves 20. According to According to Lenz's law, the winding sleeve 20 will generate an induced magnetic field that hinders the movement of the magnetic strip 21, thereby weakening the horizontal displacement of the shock-absorbing plate 2, and further damping the horizontal displacement caused by the vibration of the rotary gear compressor 5 when it is working. The spring pushes the magnetic strip 21 back to its original position to reset the shock-absorbing plate 2, thereby achieving the effect of stable shock absorption for the entire equipment. The fan blades 27 blow air to the entire equipment when rotating at high speed to achieve cooling and dust removal of the equipment. After the equipment stops running, the servo motor 12 also stops working, and the fan blades 27 and the sliding bevel gear ring 23 simultaneously descend under the action of gravity, and the sliding bevel gear ring 23 contacts the thrust ball bearing 22 to support the equipment.

[0032] The working principle of the present invention is as follows: the driving motor 3 drives the tooth compressor 5 to work through the gearbox 4, the tooth compressor 5 compresses the natural gas, the pressure of the compressed natural gas increases and the temperature also increases, and after being cooled by the circulating cooler 6, it enters the air outlet pipe 8, the sealing ring prevents the lubricating oil in the gearbox 4 from entering the tooth compressor 5, and the oil discharge hole discharges the lubricating oil thrown to the tooth compressor 5, thereby preventing the lubricating oil from contaminating the natural gas.

[0033] After the servo motor 12 is powered on, it drives the inertia wheel 11 to rotate at high speed. When the inertia wheel 11 rotates at high speed, it generates a force in the same direction as the axis. The direction of the momentum is stable and not easy to change. Therefore, it can effectively ensure the stability of the damping plate 2, avoid the vibration generated by the rotary gear compressor 5 during operation, and cause the damping plate 2 to shake, thereby achieving a shock absorbing effect and reducing the noise during the operation of the equipment. When the equipment is stopped, the sliding bevel gear ring 23 fits the thrust ball bearing 22 under the action of gravity, so that the entire equipment is rigidly supported. When the servo motor 12 is working, it drives the upper sprocket 13 and the lower sprocket 14 to rotate at the same time. The sprocket 13 and the lower sprocket 14 drive all the driven sprockets to rotate through the upper chain 15 and the lower chain 16 respectively. When the driven sprockets rotate, all the rotating sleeves 24 rotate at high speed. In the process of gradually accelerating the rotation of the rotating sleeve 24, the fan blades 27 on the rotating sleeve 24 are expanded upward under the action of the rotating centrifugal force. The adapter block 25 rotates in the rotating sleeve 24 as the fan blades 27 are expanded. The adapter block 25 pulls the sliding bevel gear ring 23 upward through the connecting rod 26, so that the sliding bevel gear ring 23 is separated from the thrust ball bearing 22. At this time, the gravity of the equipment is transmitted to the ground through the steel ball 19 at the bottom of the center column 18.

[0034] After the sliding bevel gear ring 23 is separated from the thrust ball bearing 22, the magnetic strip 21 slides freely in the winding sleeve 20. When the damping plate 2 is displaced in the horizontal direction, the magnetic strip 21 is driven to slide in the winding sleeve 20. According to Lenz's law, the winding sleeve 20 will generate an induced magnetic field that hinders the movement of the magnetic strip 21, thereby weakening the horizontal displacement of the damping plate 2, and further damping the horizontal displacement caused by the vibration of the rotary gear compressor 5 when it is working. The spring pushes the magnetic strip 21 back to its original position to reset the damping plate 2, thereby achieving the effect of stable damping of the entire device. The fan blades 27 blow air to the entire device when rotating at high speed to achieve cooling and dust removal of the device. After the equipment stops running, the servo motor 12 also stops working, and the fan blades 27 and the sliding bevel gear ring 23 simultaneously descend under the action of gravity, and the sliding bevel gear ring 23 contacts the thrust ball bearing 22 to support the equipment.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rotary gear oil-free natural gas compressor, characterized in that: The invention comprises a dust cover (1), a shock absorbing plate (2), a shock absorbing seat (9), four stable brackets (17), a gyroscope balancing assembly and a natural gas compression assembly, wherein the dust cover (1) is arranged on the outside of the equipment, the four stable brackets (17) are mounted on the shock absorbing seat (9), the shock absorbing plate (2) is arranged on the four stable brackets (17), the gyroscope balancing assembly is arranged at the bottom of the shock absorbing plate (2), the natural gas compression assembly is mounted above the shock absorbing plate (2) through an equipment bracket, the gyroscope balancing assembly and the four stable brackets (17) perform shock absorption on the natural gas compression assembly, and the natural gas compression assembly compresses natural gas.

2. The rotary tooth oil-free natural gas compressor according to claim 1, characterized in that: The natural gas compression assembly comprises a drive motor (3), a gearbox (4), a spiral tooth compressor (5), a circulating cooler (6), an air inlet pipe (7) and an air outlet pipe (8); the drive motor (3) is connected to an input end of the gearbox (4); the output end of the gearbox (4) is connected to the spiral tooth compressor (5); the air inlet pipe (7) is connected to an air inlet end of the spiral tooth compressor (5); the air outlet end of the spiral tooth compressor (5) is connected to one end of the circulating cooler (6); and the other end of the circulating cooler (6) is connected to the air outlet pipe (8).

3. The rotary tooth oil-free natural gas compressor according to claim 2, characterized in that: The spiral tooth compressor (5) is provided with female teeth and male teeth inside, a sealing ring is provided between the gearbox (4) and the spiral tooth compressor (5), and an oil discharge hole is provided on the side where the spiral tooth compressor (5) is connected to the gearbox (4).

4. The rotary tooth oil-free natural gas compressor according to claim 1, characterized in that: The gyro balancing assembly comprises an inverted suspension frame (10), an inertia wheel (11) and a servo motor (12); the inverted suspension frame (10) is mounted on the bottom of a shock absorbing plate (2); the servo motor (12) is arranged on the inverted suspension frame (10); the inertia wheel (11) is connected to a motor shaft of the servo motor (12); and the motor shaft of the servo motor (12) passes through the inertia wheel (11).

5. The rotary tooth type oil-free natural gas compressor according to claim 4, characterized in that: The four stabilizing brackets (17) are respectively connected to the four corners of the shock absorbing plate (2). Each stabilizing bracket (17) comprises a central column (18), a rotating sleeve (24), a sliding bevel gear ring (23) and a steel ball (19). The central column (18) is connected to the shock absorbing plate (2). The steel ball (19) is rollingly mounted on the bottom of the central column (18). The rotating sleeve (24) is rotatably connected to the central column (18). The sliding bevel gear ring (23) is slidably mounted on the central column (18). The sliding bevel gear ring (23) is located at the bottom of the rotating sleeve (24).

6. The rotary tooth oil-free natural gas compressor according to claim 5, characterized in that: A plurality of adapter blocks (25) are evenly distributed on the rotating sleeve (24) in a circular shape, each of the adapter blocks (25) is rotatably mounted on the rotating sleeve (24), a fan blade (27) is mounted on one end of each adapter block (25) away from the rotating sleeve (24), and connecting rods (26) are connected to both sides of each adapter block (25), and the other end of the connecting rod (26) is rotatably connected to the sliding bevel gear ring (23).

7. The rotary tooth oil-free natural gas compressor according to claim 6, characterized in that: The central column (18) passes through the shock absorbing seat (9); a thrust ball bearing (22) is installed at a position on the shock absorbing seat (9) corresponding to the penetration of the central column (18); at least three winding sleeves (20) are rotatably installed inside the shock absorbing seat (9); at least three winding sleeves (20) are evenly distributed in a circular shape; the central column (18) is rotatably installed with the same number of magnetic strips (21) as the number of winding sleeves (20); the magnetic strips (21) are slidably installed in the winding sleeves (20); and a spring is also arranged between the winding sleeves (20) and the magnetic strips (21).

8. The rotary tooth type oil-free natural gas compressor according to claim 7, characterized in that: The servo motor (12) is also equipped with an upper sprocket (13) and a lower sprocket (14), wherein the lower sprocket (14) is located above the inertia wheel (11), and the upper sprocket (13) is located above the lower sprocket (14), and a driven sprocket is installed on the upper part of each rotating sleeve (24); The driven sprockets on the two diagonally arranged rotating sleeves (24) are connected to the upper sprocket (13) through an upper chain (15), and the driven sprockets on the other two diagonally arranged rotating sleeves (24) are connected to the lower sprocket (14) through a lower chain (16).

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