CN109236377B

CN109236377B - Coaxial air supply exchange driving method of novel pneumatic motor

Info

Publication number: CN109236377B
Application number: CN201811277200.6A
Authority: CN
Inventors: 杨家元
Original assignee: Taicang City Lvdian Information Technology Co ltd
Current assignee: TAICANG CITY LVDIAN INFORMATION TECHNOLOGY Co.,Ltd.
Priority date: 2018-10-30
Filing date: 2018-10-30
Publication date: 2021-06-25
Anticipated expiration: 2038-10-30
Also published as: CN109236377A

Abstract

The invention provides a coaxial air supply exchange driving method of a novel pneumatic motor, which comprises the following steps: a user connects and connects the air inlet end of the air supply component with an air source, then opens the air source valve, the air source supplies air to the air supply component continuously, and the air supply component alternately supplies air to the first rotating device and the second rotating device; the air supply member conveys air into the pneumatic mechanism through the air inlet guide pipe, the air pressure in the pneumatic mechanism is gradually increased and the pneumatic mechanism is pushed to integrally rotate, the pneumatic mechanism drives the rotor member to synchronously rotate, the rotor member drives the air supply member to synchronously rotate and outputs the power of the rotating device through the air supply member, and the pressure relief port discharges high-pressure air in the pneumatic mechanism, relieves pressure and resets; the air supply component alternately supplies air to the first rotating device and the second rotating device, the first rotating device and the second rotating device alternately drive the main shaft, and the main shaft continuously rotates and stably outputs power.

Description

Coaxial air supply exchange driving method of novel pneumatic motor

Technical Field

The invention relates to a pneumatic motor, in particular to a coaxial air supply exchange driving method of a novel pneumatic motor.

Background

A pneumatic motor, also known as a pneumatic motor, refers to a device that converts pressure energy of compressed air into mechanical energy of rotation, and is generally used as a rotary power source for more complex devices or machines. The pneumatic motors are classified by their structures into vane type pneumatic motors, piston type pneumatic motors, compact vane type pneumatic motors, and compact piston type pneumatic motors. The advantages of the pneumatic motor over the electric motor are: the adaptability is high, the temperature rise is small, the rotating speed can be changed along with the load until the pneumatic motor is shut down in an overload state without any damage to the pneumatic motor; the quick start and the quick stop are particularly suitable for occasions with frequent start, and the reversing is very easy; the speed is regulated in a simple stepless way from zero to the maximum, and the operation is flexible; the starting torque is large, and the vehicle can be started with load; the device is not influenced by external environment, even in severe environments such as water, dusty, damp and dirty; the pneumatic motor is safe and explosion-proof, does not generate dangerous factors such as sparks, overheating, explosion, short circuit (electricity) and the like, and is particularly suitable for environments with flammable and explosive substances or high temperature, such as stirring of solvents, paints, chemicals and the like. Therefore, the pneumatic motor is adopted as the driving power source in a complex device or in a severe environment, but the existing pneumatic motor also has the troublesome problems, for example, the structure is complex, the production cost is high, the smoothness of the power output is poor, the pause and the pause are strong, the noise is large, and in order to solve the troublesome problems mentioned above, the design of the coaxial air supply exchange driving method of the novel pneumatic motor which has the advantages of ingenious structure, simple principle, good smoothness of the power output and small noise is more important.

Disclosure of Invention

In order to solve the defects of the prior art, the invention aims to provide the coaxial air supply exchange driving method of the novel pneumatic motor, which has the advantages of ingenious structure, simple principle, good smoothness of power output and low noise.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

A coaxial air supply exchange driving method of a novel pneumatic motor comprises the following steps:

the gas supply stage:

s1: connecting the air inlet end of the air supply component with an air source, opening an air source valve, continuously supplying air to the air supply component by the air source, and alternately supplying air to the first rotating device and the second rotating device by the air supply component;

the air supply component comprises a main shaft which is arranged in a hollow manner, the main shaft is communicated with an air source, an air supply pipe is arranged between one end of the main shaft and the air source, the air supply pipe, the main shaft and the air source are detachably connected and matched, the air inlet end of the air supply pipe is communicated with the air source and is in rotating connection and matching, the air outlet end is coaxially connected and communicated with the main shaft and is in fixed connection and matching, an air outlet guide hole is formed in the main shaft and comprises a first air outlet guide hole and a second air outlet guide hole, the first air outlet guide hole is communicated with a pneumatic mechanism in a first rotating device, and the second air outlet guide hole is communicated with a pneumatic mechanism in a second rotating device;

the outer circular surface of the joint of the main shaft and the gas supply pipe is provided with a plurality of coaxially arranged annular sealing grooves, the sealing grooves are uniformly distributed at intervals, and sealing rings matched with the sealing grooves are arranged in the sealing grooves;

(II) exchange driving stage:

s2: the air supply member conveys air into the pneumatic mechanism through the air inlet guide pipe, the air pressure in the pneumatic mechanism is gradually increased and the pneumatic mechanism is pushed to integrally rotate, the pneumatic mechanism drives the rotor member to synchronously rotate, the rotor member drives the air supply member to synchronously rotate and outputs the power of the rotating device through the air supply member, and the pressure relief port discharges high-pressure air in the pneumatic mechanism, relieves pressure and resets;

the stator component comprises a circular cylinder body with an opening at one end, a first mounting opening is coaxially formed in one end, away from the opening, of the cylinder body, a sealing cover plate matched with the opening of the cylinder body and in sealing connection and matching is arranged at the opening of the cylinder body, a second mounting opening is formed in the sealing cover plate and is coaxially arranged with the first mounting opening, a main shaft coaxially penetrates through the first mounting opening and the second mounting opening, the main shaft is in rotating connection and matching with the first mounting opening/the second mounting opening, a first sealing ring matched with the first mounting opening is coaxially arranged at the connection and matching position of the first mounting opening and the main shaft, and a second sealing ring matched with the second mounting opening is coaxially arranged at the connection and matching position;

the bottom of the cylinder in the first rotating device and the bottom of the cylinder in the second rotating device are mutually attached, and the sealing end cover in the first rotating device and the sealing end cover in the second rotating device are mutually far away;

the outer circular surface of the cylinder body is provided with a plurality of mounting lugs which are arranged in an array along the circumferential direction of the cylinder body, and the mounting lugs are provided with mounting holes parallel to the axial direction of the cylinder body;

the rotor component comprises a turntable coaxially arranged in the barrel, the turntable is in rotating connection and matching with the inner wall of the barrel, the turntable is coaxially provided with a socket, the socket is sleeved outside the main shaft and is arranged corresponding to the exhaust guide hole, a fixing assembly for fixing the turntable and the main shaft is arranged between the turntable and the main shaft, and the pneumatic mechanism is arranged between the turntable and the barrel;

the fixing assembly comprises a fixing sleeve coaxially arranged at the opening of the socket, the fixing sleeve is positioned between the second sealing ring and the main shaft, the socket ring fixedly sleeved on the main shaft is arranged, an arc-shaped groove which is parallel to the inner circular surface of the fixing sleeve and is axially arranged is formed in the inner circular surface of the fixing sleeve, the arc-shaped opening of the arc-shaped groove points to the circle center of the fixing sleeve, a plurality of arc-shaped grooves are formed in the arc-shaped groove and are arranged in an array mode along the circumferential direction of the fixing sleeve, an arc-shaped convex strip which is parallel to the outer circular surface of the socket ring and is axially arranged is arranged in the outer circular surface of the socket ring, the arc-shaped convex strips are matched with;

the pneumatic mechanism is provided with a plurality of groups and is arranged in an array along the circumferential direction of the turntable, the pneumatic mechanism comprises a mounting groove arranged on one end face of the turntable, a partition plate is arranged in the mounting groove and divides the mounting groove into a first mounting groove and a second mounting groove which are mutually communicated, the second mounting groove penetrates through the outer circumferential surface of the turntable, a slide block is arranged in the second mounting groove, the slide block is matched with the second mounting groove and forms sliding guide fit along the radial direction of the turntable, a reset spring is arranged between the slide block and the side wall of the second mounting groove, one end of the reset spring is abutted against the slide block, the other end of the reset spring is abutted against the side wall of the second mounting groove, the slide block is always pushed to slide towards the cylinder body by the elastic force of the reset spring, the slide block is arranged in an arc-shaped surface at one, the distance between the bottom of the guide groove and the axis of the rotary disc is gradually reduced along the clockwise rotation, the arc-shaped surface of the sliding block is matched with the arc-shaped guide groove, the sliding block, the guide groove and the sealing cover plate form a sealing cavity, the sliding block is arranged in a hollow manner and is provided with an air outlet communicated with the sealing cavity, the sliding block is pushed to rotate clockwise by injecting air into the sealing cavity, and the pressure outlet is arranged at one end of the guide groove along the clockwise rotation direction and is communicated with the outside;

the pneumatic mechanism also comprises a guide hole which is arranged on one side wall of the mounting groove and is radially arranged along the rotary disc, the air inlet guide pipe is arranged in the guide hole in a penetrating way, a limiting boss matched with the guide hole is arranged outside the air inlet guide pipe, a hollow connecting block for communicating the air inlet guide pipe and the sliding block is arranged between the air outlet end of the air inlet guide pipe and the sliding block, the connecting block is matched with the air inlet guide pipe and forms sliding guide fit along the radial direction of the rotary disc, and the air inlet end of the air inlet guide pipe extends to the sleeve interface and is communicated with the air outlet guide hole;

the exhaust guide hole and the air inlet guide pipe are provided with a lining, the lining is fixedly sleeved outside the main shaft, the outer circular surface of the lining is in sealing connection and matching with the inner circular surface of the turntable, an annular external groove is coaxially arranged on the outer circular surface of the lining, an annular internal groove is coaxially arranged on the inner circular surface of the external groove lining, communication holes are formed between the external groove and the internal groove, the communication holes are provided with a plurality of communication holes and are arrayed along the circumferential direction of the lining, the external grooves are arranged corresponding to the air inlet end of the air inlet guide pipe, and the internal groove is arranged corresponding to the exhaust guide hole.

The guide grooves in the first rotating device and the second rotating device are distributed in a staggered manner;

during the working process of the air supply component and the rotating device, the main shaft discharges air from the air exhaust guide hole into the internal groove, the communicating hole discharges the air entering the internal groove into the external groove, the air pressure of the air entering the external groove is gradually increased and enters the air inlet guide pipe, the air inlet guide pipe introduces the air into the connecting block, the connecting block introduces the air into the sliding block, finally the air is discharged into the sealed cavity from the air exhaust port, the air pressure in the sealed cavity is gradually increased and pushes the sliding block to clockwise slide along the guide groove, the sliding block gradually slides towards the center of the turntable along the mounting groove, the return spring gradually compresses and the elastic potential energy is increased, during the process, the connecting block gradually slides towards the center of the turntable along the air inlet guide pipe, the rotation of the sliding block drives the turntable to rotate, and the rotor component integrally and synchronously rotates clockwise, the rotation of the rotor drives a main shaft fixedly connected with the rotor to rotate and the power is output from the output end of the main shaft; when the sliding block slides to correspond to the pressure relief port, high-pressure gas in the sealed cavity is discharged from the pressure relief port and maintains equal pressure with the outside, the sliding block gradually slides towards the center of the turntable along the first mounting groove and blocks the exhaust port, the exhaust port stops exhausting gas in the sealed cavity, at the moment, the rotating device in a working state stops driving the main shaft, the rotating device in a reset state starts driving the main shaft, the rotating device in the working state drives the rotating device in the reset state to synchronously rotate to realize reset, the sliding block rotates towards the next guide groove along the clockwise direction of the inner wall of the cylinder body, when the sliding block rotates to correspond to the guide groove, the elastic potential energy of the reset spring is gradually released and pushes the sliding block to slide along the first mounting groove far away from the center of the turntable, and the sliding block is in sealed contact with the corresponding guide;

s3: the air supply member alternately supplies air to the first rotating device and the second rotating device, and the first rotating device and the second rotating device alternately drive the main shaft.

Compared with the prior art, the invention has the advantages that the structure is ingenious, the principle is simple, two groups of rotating devices which are symmetrically arranged are adopted, the two groups of rotating devices are sleeved on the same hollow main shaft, the main shaft alternately supplies air to the two groups of rotating devices, the two groups of rotating devices alternately receive the air supply of the main shaft and realize the rotation of the two groups of rotating devices, and when the first rotating device works, the second rotating device stops working; when the first rotating device stops working, the second rotating device starts working, the two groups of rotating devices work alternately and drive the main shaft to rotate to output power, the smoothness of the power output is improved, the vibration is reduced, and the noise is reduced.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive effort.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural view of the gas supply member.

Fig. 4 is a partial structural view of the gas supply member.

Fig. 5 is a view showing the rotation device and the air intake member.

Fig. 6 is a schematic view of the internal structure of the rotating device.

Fig. 7 is a partial structural view of a stator member.

Fig. 8 is a partial structural view of a stator member.

Fig. 9 is a partial structural view of a stator member.

Fig. 10 is a partial structural view of a stator member.

FIG. 11 is a schematic view of a rotor component.

Fig. 12 is a partial structural view of the fixing member.

Fig. 13 is a partial structural view of the fixing member.

Fig. 14 is a schematic structural view of the pneumatic mechanism.

Fig. 15 is a partial structural schematic view of the pneumatic mechanism.

Labeled as:

100. a gas supply member; 101. a main shaft; 102. a gas supply pipe; 103. a fixed mount; 104. an exhaust guide hole; 105. a sealing groove; 106. a seal ring;

200. a rotating device; 210. a stator member; 211. a barrel; 212. a first mounting opening; 213. sealing the cover plate; 214. a second mounting opening; 215. a first sealing ring; 216. a second sealing ring; 217. mounting holes; 220. a rotor member; 221. a turntable; 222. a socket; 223. fixing the sleeve; 224. an arc-shaped groove; 225. a sleeving connection ring; 226. arc-shaped convex strips; 230. a pneumatic mechanism; 231. mounting grooves; 232. a partition plate; 233. a slider; 234. a return spring; 235. a guide hole; 236. an air intake duct; 236a and a limit boss; 237. a joining block; 238. an exhaust port; 239. a guide groove; 240. a pressure relief port; 241. a bushing; 242. an external groove; 243. a groove is arranged inside; 244. and a communicating hole.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 14, a novel pneumatic motor driven by coaxial air supply exchange comprises an air supply member 100 and a rotating device 200 for receiving air supply of the air supply member 100 and realizing rotation thereof, wherein the rotating device 200 is coaxially sleeved outside the air supply member 100, the rotating device 200 comprises a first rotating device and a second rotating device, the first rotating device and the second rotating device are completely consistent in structure, size and function and are arranged in a relative staggered manner, the air supply member 100 is used for outputting the rotating power of the rotating device 200, the rotating device 200 comprises a stator member 210 fixedly arranged, a rotor member 220 rotatably arranged inside the stator member 210 and a pneumatic mechanism 230 arranged between the stator member 210 and the rotor member 220, the rotor member 220 is fixedly connected with the air supply member 100, the pneumatic mechanism 230 comprises an air inlet conduit 236, and the air inlet end of the air inlet conduit 236 is communicated with the air outlet end of the air supply member 100, the pneumatic mechanism 230 is used for receiving the air pressure generated by the air supply of the air supply member 100 and converting the air pressure into a driving force for rotating itself, and the pneumatic mechanism 230 further includes a pressure relief port 240 communicated with the outside.

When the user uses the rotary air supply device, the air inlet end of the air supply component 100 is connected with an air source, the air source valve is opened, the air source supplies air to the air supply component 100 continuously, the air supply component 100 alternately supplies air to the first rotary device and the second rotary device, and when the first rotary device is in a working state, the second rotary device is in a reset state; when the first rotating device is in the reset state, the second rotating device is in the working state, and the gas supply member 100 outputs the rotating power of the rotating device 200, specifically, the gas supply member 100 delivers gas into the pneumatic mechanism 230 through the gas inlet conduit 236, the gas pressure inside the pneumatic mechanism 230 gradually increases and pushes the pneumatic mechanism 230 to integrally rotate, the pneumatic mechanism 230 drives the rotor member 220 to synchronously rotate, the rotor member 220 drives the gas supply member 100 to synchronously rotate and outputs the power of the rotating device 200 through the gas supply member 100, and then, the high-pressure gas inside the pneumatic mechanism 230 is discharged through the pressure relief port 240, released and reset.

Referring to fig. 3 and 4, the gas supply member 100 includes a hollow spindle 101, the spindle 101 is connected and communicated with a gas source, in order to facilitate connection and communication between the spindle 101 and the gas source, a gas supply pipe 102 is disposed between one end of the spindle 101 and the gas source, the gas supply pipe 102 is detachably connected and matched with the spindle 101 and the gas source, a gas inlet end of the gas supply pipe 102 is connected and communicated with the gas source and is in rotating connection and matching, a gas outlet end is coaxially connected and communicated with the spindle 101 and is in fixed connection and matching, in order to ensure the connection stability of the fixed pipe 102, a fixed frame 103 is fixedly sleeved outside the fixed pipe 102 and the fixed frame 103 is fixedly connected with a stator member 210, in order to discharge gas input into the spindle 101 into a pneumatic mechanism 230, a gas discharge guide hole 104 is disposed on the spindle 101, and the gas discharge guide hole 104 includes a first gas discharge guide, the first exhaust guide hole communicates with the pneumatic mechanism 230 in the first rotating device 200, and the second exhaust guide hole communicates with the pneumatic mechanism 230 in the second rotating device 200.

Referring to fig. 3, as a more optimized solution of the present invention, in order to ensure the air tightness of the connection between the air supply pipe 102 and the main shaft 101, a plurality of annular sealing grooves 105 are coaxially arranged on the outer circumferential surface of the connection between the main shaft 10 and the air supply pipe 102, the sealing grooves 105 are uniformly distributed at intervals, and sealing rings 106 matched with the sealing grooves 105 are arranged inside the sealing grooves 105.

Referring to fig. 5 to 10, the stator member 210 includes a circular cylinder 211 with an opening at one end, a first mounting opening 212 is coaxially formed at one end of the cylinder 211, the opening of the cylinder 211 is provided with a sealing cover plate 213 which is matched and hermetically connected and matched with the cylinder 211, a second mounting opening 214 is formed on the sealing cover plate 213, the second mounting opening 214 and the first mounting opening 212 are coaxially arranged, the main shaft 101 coaxially penetrates through the first mounting opening 212 and the second mounting opening 214, the main shaft 101 and the first mounting opening 212/the second mounting opening 214 are rotatably connected and matched, in order to ensure the air tightness inside the cylinder 211, a first sealing ring 215 which is matched with the first mounting opening 212 and the main shaft 101 are coaxially arranged at the connection and matching position of the second mounting opening 214 and the main shaft 101, and a second sealing ring 216 which is matched with the first mounting opening and the second.

Specifically, in order to facilitate the disassembly, assembly, and maintenance of the stator member 210, the bottom of the cylinder 211 in the first rotating device and the bottom of the cylinder 211 in the second rotating device are attached to each other, and the seal cover 213 in the first rotating device and the seal cover 213 in the second rotating device are disposed away from each other.

Referring to fig. 7, as a more complete solution of the present invention, in order to ensure that the rotating device 200 stably outputs the rotating power to the machine body, the stator member 210 needs to be fixedly connected to the machine body, for this purpose, an outer circumferential surface of the cylinder 211 is provided with a plurality of mounting lugs, the mounting lugs are arranged in an array along a circumferential direction of the cylinder 211, and the mounting lugs are provided with mounting holes 217 parallel to an axial direction of the cylinder 211.

Referring to fig. 11 to 13, the rotor member 220 includes a rotating disc 221 coaxially disposed inside the cylinder 211, the rotating disc 221 is rotatably connected and matched with the inner wall of the cylinder 211, the rotating disc 221 is coaxially provided with a socket 222, the socket 222 is sleeved outside the main shaft 101 and is disposed corresponding to the exhaust guide hole 104, in order to transmit the power of the rotor member 220 to the main shaft 101, a fixing assembly for fixing the rotating disc 221 and the main shaft 101 is disposed between the rotating disc 221 and the cylinder 211, and the pneumatic mechanism 230 is disposed between the rotating disc 221 and the cylinder 211.

Specifically, the fixing assembly includes a fixing sleeve 223 coaxially disposed at the opening of the socket 222, the fixing sleeve 223 is located between the second sealing ring 216 and the main shaft 101, and a socket ring 225 fixedly disposed on the main shaft 101, an inner circular surface of the fixing sleeve 223 is provided with arc grooves 224 parallel to the axial direction of the fixing sleeve 223, the arc openings of the arc grooves 224 point to the center of the fixing sleeve 223, the arc grooves 224 are provided with a plurality of arc convex strips 226 parallel to the axial direction of the fixing sleeve 223 and arranged in an array manner along the circumferential direction of the fixing sleeve 223, an outer circular surface of the socket ring 225 is provided with arc convex strips 226 parallel to the axial direction of the socket ring 225, the arc convex strips 226 are matched with the arc grooves 224, the arc convex strips 226 are provided with a plurality of arc convex strips and arranged in an array manner along the circumferential.

During the working process of the stator member 210 and the rotor member 220, the gas supply pipe 102 introduces gas from a gas source into the main shaft 101, the main shaft 101 discharges the gas from the gas exhaust guide hole 104 into the pneumatic mechanism 230, the gas pressure inside the pneumatic mechanism 230 gradually increases and pushes the pneumatic mechanism 230 to integrally rotate, the rotation of the pneumatic mechanism 230 drives the turntable 221 to synchronously rotate, the turntable 221 drives the fixing sleeve 223 and the arc-shaped groove 224 to synchronously rotate, the arc-shaped groove 224 drives the arc-shaped convex strip 226 and the socket ring 225 to synchronously rotate, the socket ring 225 drives the main shaft 101 to rotate and transmits power to the machine body through the main shaft 101, the pneumatic mechanism 230 in the first rotating device and the pneumatic mechanism 230 in the second rotating device alternately work, and the rotor member 220 in the first rotating device and the second rotating device alternately drives the main shaft 101 to rotate, so that the smoothness of the rotation of the main shaft 101 is ensured.

Referring to fig. 6, 11, and 14-15, the pneumatic mechanism 230 is provided with a plurality of sets and arranged in an array along a circumferential direction of the turntable 221, the pneumatic mechanism 230 includes a mounting groove 231 provided on one end surface of the turntable 221, a partition plate 232 is provided in the mounting groove 231, the partition plate 232 partitions the mounting groove 231 into a first mounting groove and a second mounting groove which are communicated with each other, the second mounting groove penetrates through an outer circumferential surface of the turntable 221, a slider 233 is provided in the second mounting groove, the slider 233 is matched with the second mounting groove and forms a sliding guiding fit along a radial direction of the turntable 221, a return spring 234 is provided between the slider 233 and a side wall of the second mounting groove, the slider 233 at one end of the return spring 234 abuts against, the other end of the return spring abuts against a side wall of the second mounting groove, the return spring 234 always pushes the slider 233 to slide toward the cylinder 211, one end of the slider 233 away from, the pneumatic mechanism 230 further comprises an arc-shaped guide groove 239 arranged on the inner wall of the cylinder body 211, the distance between the bottom of the guide groove 239 and the axis of the rotary disc 221 is gradually reduced along clockwise rotation, the arc-shaped surface of the slider 233 is matched with the arc-shaped guide groove 239, the slider 233, the guide groove 239 and the sealing cover plate 213 form a sealing cavity, the slider 233 is arranged in a hollow mode, an exhaust port 238 communicated with the sealing cavity is formed in the slider 233, the slider 233 is pushed to rotate clockwise through gas injection into the sealing cavity, and in order to exhaust high-pressure gas in the sealing cavity, the exhaust port 240 is arranged at one end of the guide groove 239 along the clockwise rotation direction and is communicated with the.

Specifically, in order to discharge the gas inside the main shaft 101 into the sealed cavity, the pneumatic mechanism 230 further includes a guide hole 235 disposed on one side wall of the mounting groove and radially disposed along the turntable 221, the air inlet conduit 236 is disposed through the guide hole 235, a limit boss 236a matched with the guide hole 235 is disposed outside the air inlet conduit 236, a hollow engaging block 237 for communicating the air inlet conduit 236 and the slider 233 is disposed between the air outlet end of the air inlet conduit 236 and the slider 233, the engaging block 237 is matched with the air inlet conduit 236 and forms a sliding guide fit along the radial direction of the turntable 221, and the air inlet end of the air inlet conduit 236 extends to the socket 222 and is communicated with the air outlet guide hole 104.

More specifically, in order to ensure that gas can be effectively injected into the air inlet end of the air inlet conduit 236 in the rotating process, a bushing 241 is arranged between the air outlet guide hole 104 and the air inlet conduit 236, the bushing 241 is fixedly sleeved outside the main shaft 101, the outer circular surface of the bushing 241 is in sealing connection and matching with the inner circular surface of the rotating disc 221, an annular external groove 242 is coaxially arranged on the outer circular surface of the bushing 241, an annular internal groove 243 is coaxially arranged on the inner circular surface of the external groove bushing 241, communication holes 244 are arranged between the external groove 242 and the internal groove 243, the communication holes 244 are arranged in a plurality and are arranged in an array along the circumferential direction of the bushing 241, the external groove 242 corresponds to the air inlet end of the air inlet conduit 236, and the internal groove 242 corresponds to the air outlet guide.

In order to ensure that the first rotating device and the second rotating device can alternately drive the main shaft 101, the guide grooves 239 in the first rotating device and the second rotating device are distributed in a staggered manner.

During the operation of the air supply member 100 and the rotating device 200, the spindle 101 discharges air from the air discharge guide hole 104 into the inner groove 243, the communication hole 244 discharges air entering the inner groove 243 into the outer groove 242, the air pressure of air entering the outer groove 242 gradually increases and enters the air inlet conduit 236, the air inlet conduit 236 introduces air into the connecting block 237, the connecting block 237 introduces air into the slider 233, and finally the air is discharged from the air discharge hole 238 into the sealed cavity, the air pressure inside the sealed cavity gradually increases and pushes the slider 233 to slide clockwise along the guide groove 239, the slider 233 slides along the mounting groove gradually towards the center of the turntable 221, the return spring 234 gradually compresses and the elastic potential energy increases, during the process, the connecting block 237 slides along the air inlet conduit 236 gradually towards the center of the turntable 221, the rotation of the slider 233 drives the turntable 221 to rotate, the rotor member 220 as a whole will rotate in synchronism clockwise, rotation of the rotor 220 will drive the main shaft 101 fixedly connected thereto to rotate and power is output from the output end of the main shaft 101.

When the sliding block 233 slides to correspond to the pressure relief opening 240, the high-pressure gas in the sealed chamber is discharged from the pressure relief opening 240 and maintains equal pressure with the outside, the sliding block 233 slides along the mounting groove gradually towards the center of the rotating disc 221 and the rotating disc 221 blocks the gas discharge opening 238, the gas discharge opening 238 stops discharging gas from the sealed chamber, at this time, the rotating device 200 in the working state stops driving the main shaft 101, the rotating device 200 in the reset state starts driving the main shaft 101, and the rotating device 200 in the working state drives the rotating device 200 in the reset state to synchronously rotate to realize the reset, which is characterized in that the sliding block 233 rotates clockwise towards the next guide groove 239 along the inner wall of the cylinder 211, when rotating to correspond to the guide groove 239, the elastic potential energy of the reset spring 234 is gradually released and pushes the sliding block 233 to slide along the mounting groove far from the center of the rotating disc 221, the sliding blocks 233 are in sealing contact with the corresponding guide grooves 239, and the first rotating device and the second rotating device alternately drive the main shaft 101, so that the output shaft 101 runs smoothly.

the gas supply stage:

s1: connecting the air inlet end of the air supply component 100 with an air source, opening an air source valve, continuously supplying air to the air supply component 100 by the air source, and alternately supplying air to the first rotating device and the second rotating device by the air supply component 100;

the air supply member 100 comprises a main shaft 101 which is arranged in a hollow manner, the main shaft 101 is communicated with an air source, an air supply pipe 102 is arranged between one end of the main shaft 101 and the air source, the air supply pipe 102 is detachably connected and matched with the main shaft 101 and the air source, the air inlet end of the air supply pipe 102 is communicated with the air source and is in rotating connection and matching, the air outlet end is coaxially connected and communicated with the main shaft 101 and is in fixed connection and matching, an air exhaust guide hole 104 is formed in the main shaft 101, the air exhaust guide hole 104 comprises a first air exhaust guide hole and a second air exhaust guide hole, the first air exhaust guide hole is communicated with a pneumatic mechanism 230 in a first rotating device 200, and the second air exhaust guide hole is communicated with the pneumatic mechanism 230 in;

a plurality of annular sealing grooves 105 which are coaxially arranged are formed in the outer circular surface of the joint of the main shaft 10 and the gas supply pipe 102, the sealing grooves 105 are uniformly distributed at intervals, and sealing rings 106 matched with the sealing grooves 105 are arranged in the sealing grooves 105;

(II) exchange driving stage:

s2: the gas supply member 100 delivers gas from the gas inlet conduit 236 into the pneumatic mechanism 230, the gas pressure inside the pneumatic mechanism 230 gradually increases and pushes the pneumatic mechanism 230 to integrally rotate, the pneumatic mechanism 230 drives the rotor member 220 to synchronously rotate, the rotor member 220 drives the gas supply member 100 to synchronously rotate and outputs power of the rotating device 200 through the gas supply member 100, and the pressure relief port 240 discharges high-pressure gas inside the pneumatic mechanism 230 for pressure relief and reset;

the stator component 210 comprises a circular cylinder body 211 with an opening at one end, a first mounting opening 212 is coaxially formed in one end, away from the opening, of the cylinder body 211, a sealing cover plate 213 which is matched with the cylinder body 211 and is in sealing connection and matching with the cylinder body 211 is arranged at the opening of the cylinder body 211, a second mounting opening 214 is formed in the sealing cover plate 213, the second mounting opening 214 and the first mounting opening 212 are coaxially arranged, the main shaft 101 coaxially penetrates through the first mounting opening 212 and the second mounting opening 214, the main shaft 101 and the first mounting opening 212/the second mounting opening 214 are in rotating connection and matching, a first sealing ring 215 which is matched with the first mounting opening 212 and the main shaft 101 are coaxially arranged at the connection and matching position of the first mounting opening 212 and the main shaft 101, and a second sealing ring;

the bottom of the cylinder body 211 in the first rotating device and the bottom of the cylinder body 211 in the second rotating device are arranged in a mutually attached mode, and the sealing end cover 213 in the first rotating device and the sealing end cover 213 in the second rotating device are arranged far away from each other;

the outer circular surface of the cylinder body 211 is provided with a plurality of mounting lugs which are arranged in an array along the circumferential direction of the cylinder body 211, and the mounting lugs are provided with mounting holes 217 parallel to the axial direction of the cylinder body 211;

the rotor member 220 comprises a rotary table 221 coaxially arranged inside the cylinder body 211, the rotary table 221 is rotatably connected and matched with the inner wall of the cylinder body 211, the rotary table 221 is coaxially provided with a sleeve joint 222, the sleeve joint 222 is sleeved outside the main shaft 101 and is arranged corresponding to the exhaust guide hole 104, a fixing component for fixing the rotary table 221 and the main shaft 101 is arranged between the rotary table 221 and the cylinder body 211, and the pneumatic mechanism 230 is arranged between the rotary table 221 and the cylinder body 211;

the fixing assembly comprises a fixing sleeve 223 coaxially arranged at the opening of the socket 222, the fixing sleeve 223 is positioned between the second sealing ring 216 and the main shaft 101, and a socket ring 225 fixedly arranged on the main shaft 101 is fixedly sleeved on the fixing sleeve 223, an arc-shaped groove 224 arranged in parallel to the axial direction of the fixing sleeve 223 is formed in the inner circular surface of the fixing sleeve 223, the arc-shaped opening of the arc-shaped groove 224 points to the center of the fixing sleeve 223, a plurality of arc-shaped grooves 224 are formed in the arc-shaped groove 224 and are arranged in an array mode in the circumferential direction of the fixing sleeve 223, an arc-shaped convex strip 226 arranged in parallel to the axial direction of the socket ring 225 is arranged on the outer circular surface of the socket ring 225, the arc-shaped convex strips 226 are matched with the arc-shaped grooves 224;

the pneumatic mechanism 230 is provided with a plurality of groups and is arranged in an array along the circumferential direction of the turntable 221, the pneumatic mechanism 230 comprises a mounting groove 231 arranged on one end face of the turntable 221, a partition plate 232 is arranged in the mounting groove 231, the partition plate 232 divides the mounting groove 231 into a first mounting groove and a second mounting groove which are mutually communicated, the second mounting groove penetrates through the outer circumferential face of the turntable 221, a sliding block 233 is arranged in the second mounting groove, the sliding block 233 is matched with the second mounting groove and forms sliding guide fit along the radial direction of the turntable 221, a return spring 234 is arranged between the sliding block 233 and the side wall of the second mounting groove, one end of the return spring 234 is abutted against the sliding block 233, the other end of the return spring 234 is abutted against the side wall of the second mounting groove, the elastic force of the return spring 234 always pushes the sliding block 233 to slide towards the cylinder 211, the pneumatic mechanism 230 further comprises an arc-shaped guide groove 239 arranged on the inner wall of the cylinder body 211, the distance between the bottom of the guide groove 239 and the axis of the rotary disc 221 rotates clockwise and gradually decreases, the arc-shaped surface of the slider 233 is matched with the arc-shaped guide groove 239, the slider 233, the guide groove 239 and the sealing cover plate 213 form a sealing cavity, the slider 233 is arranged in a hollow manner, an air outlet 238 communicated with the sealing cavity is formed in the slider 233, the slider 233 is pushed to rotate clockwise by injecting air into the sealing cavity, and the pressure relief opening 240 is arranged at one end of the guide groove 239 in the clockwise rotation direction and communicated with the outside;

the pneumatic mechanism 230 further comprises a guide hole 235 which is arranged on one side wall of the mounting groove and is radially arranged along the turntable 221, the air inlet conduit 236 is arranged in the guide hole 235 in a penetrating manner, a limit boss 236a matched with the guide hole 235 is arranged outside the air inlet conduit 236, a hollow connecting block 237 for connecting the air inlet conduit 236 and the slider 233 is arranged between the air outlet end of the air inlet conduit 236 and is matched with the air inlet conduit 236 and forms sliding guide fit along the radial direction of the turntable 221, and the air inlet end of the air inlet conduit 236 extends to the socket 222 and is connected with the air outlet guide hole 104;

a bushing 241 is arranged between the exhaust guide hole 104 and the air inlet guide pipe 236, the bushing 241 is fixedly sleeved outside the main shaft 101, an outer circular surface of the bushing 241 is in sealing connection and matching with an inner circular surface of the rotating disc 221, an annular outer groove 242 is coaxially arranged on the outer circular surface of the bushing 241, an annular inner groove 243 is coaxially arranged on the inner circular surface of the outer groove bushing 241, communication holes 244 are arranged between the outer groove 242 and the inner groove 243, the communication holes 244 are provided with a plurality of communication holes and are arranged in an array along the circumferential direction of the bushing 241, the outer groove 242 is arranged corresponding to the air inlet end of the air inlet guide pipe 236, and the inner groove 242 is arranged corresponding to the.

The guide grooves 239 in the first rotating device and the second rotating device are distributed in a staggered manner;

during the operation of the air supply member 100 and the rotating device 200, the spindle 101 discharges air from the air discharge guide hole 104 into the inner groove 243, the communication hole 244 discharges air entering the inner groove 243 into the outer groove 242, the air pressure of air entering the outer groove 242 gradually increases and enters the air inlet conduit 236, the air inlet conduit 236 introduces air into the connecting block 237, the connecting block 237 introduces air into the slider 233, and finally the air is discharged from the air discharge hole 238 into the sealed cavity, the air pressure inside the sealed cavity gradually increases and pushes the slider 233 to slide clockwise along the guide groove 239, the slider 233 slides along the mounting groove gradually towards the center of the turntable 221, the return spring 234 gradually compresses and the elastic potential energy increases, during the process, the connecting block 237 slides along the air inlet conduit 236 gradually towards the center of the turntable 221, the rotation of the slider 233 drives the turntable 221 to rotate, the rotor member 220 will rotate clockwise in unison, rotation of the rotor 220 will drive the main shaft 101 fixedly connected thereto to rotate and power is output from the output end of the main shaft 101; when the sliding block 233 slides to correspond to the pressure relief opening 240, the high-pressure gas in the sealed chamber is discharged from the pressure relief opening 240 and maintains equal pressure with the outside, the sliding block 233 slides along the mounting groove gradually towards the center of the turntable 221 and the turntable 221 blocks the gas discharge opening 238, the gas discharge opening 238 stops discharging gas from the sealed chamber, at this time, the rotating device 200 in the working state stops driving the main shaft 101, the rotating device 200 in the reset state starts driving the main shaft 101, and the rotating device 200 in the working state drives the rotating device 200 in the reset state to synchronously rotate to realize reset, the sliding block 233 rotates towards the next guide groove 239 clockwise along the inner wall of the cylinder body 211, when rotating to correspond to the guide groove 239, the elastic potential energy of the reset spring 234 gradually releases and pushes the sliding block 233 to slide along the mounting groove away from the center of the turntable 221, the sliders 233 are in sealing contact with the corresponding guide grooves 239;

s3: the air supply member 100 alternately supplies air to the first and second rotating devices, which alternately drive the main shaft 101.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention; various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A coaxial air supply exchange driving method of a novel pneumatic motor comprises the following steps:

the gas supply stage:

s1: the pneumatic motor comprises an air supply component and a rotating device which is used for receiving air supply of the air supply component and realizing self rotation, the rotating device is coaxially sleeved outside the air supply component and comprises a first rotating device and a second rotating device, the first rotating device and the second rotating device are completely consistent in structure, size and function and are arranged in a relative staggered mode, the air supply component is used for outputting the rotating power of the rotating device, the rotating device comprises a stator component which is fixedly arranged, a rotor component which is rotatably arranged in the stator component and a pneumatic mechanism which is arranged between the stator component and the rotor component, the rotor component is fixedly connected with the air supply component, the pneumatic mechanism comprises an air inlet guide pipe, the air inlet end of the air inlet guide pipe is communicated with the air exhaust end of the air supply component, and the pneumatic mechanism is used for receiving air pressure generated by air supply of the air supply component and converting the air pressure into self rotating driving force, the pneumatic mechanism also comprises a pressure relief port communicated with the outside;

connecting the air inlet end of the air supply component with an air source, opening an air source valve, continuously supplying air to the air supply component by the air source, and alternately supplying air to the first rotating device and the second rotating device by the air supply component;

(II) exchange driving stage:

2. The coaxial air supply exchange driving method of the novel pneumatic motor as claimed in claim 1, wherein the guide grooves in the first rotating device and the second rotating device are distributed in a staggered manner;

during the working process of the air supply component and the rotating device, the main shaft discharges air from the air exhaust guide hole into the internal groove, the communicating hole discharges the air entering the internal groove into the external groove, the air pressure of the air entering the external groove is gradually increased and enters the air inlet guide pipe, the air inlet guide pipe introduces the air into the connecting block, the connecting block introduces the air into the sliding block, finally the air is discharged into the sealed cavity from the air exhaust port, the air pressure in the sealed cavity is gradually increased and pushes the sliding block to clockwise slide along the guide groove, the sliding block gradually slides towards the center of the turntable along the mounting groove II, the return spring gradually compresses and the elastic potential energy is increased, during the process, the connecting block gradually slides towards the center of the turntable along the air inlet guide pipe, the rotation of the sliding block drives the turntable to rotate, and the rotor component integrally and synchronously rotates clockwise, the rotation of the rotor drives a main shaft fixedly connected with the rotor to rotate and the power is output from the output end of the main shaft; when the sliding block slides to correspond to the pressure relief port, high-pressure gas in the sealed cavity is discharged from the pressure relief port and maintains equal pressure with the outside, the sliding block gradually slides towards the center of the turntable along the mounting groove II and blocks the exhaust port, the exhaust port stops exhausting gas in the sealed cavity, at the moment, the rotating device in the working state stops driving the main shaft, the rotating device in the reset state starts driving the main shaft, the rotating device in the working state drives the rotating device in the reset state to synchronously rotate to realize reset, the sliding block rotates towards the next guide groove along the clockwise direction of the inner wall of the cylinder body, when the sliding block rotates to correspond to the guide groove, the elastic potential energy of the reset spring is gradually released and pushes the sliding block to slide along the mounting groove II away from the center of the turntable, and the sliding block is in sealed contact with the corresponding guide groove;