CN111974483A - Experimental platform applied to magnetic bearing-rotor - Google Patents
Experimental platform applied to magnetic bearing-rotor Download PDFInfo
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- CN111974483A CN111974483A CN202010867640.8A CN202010867640A CN111974483A CN 111974483 A CN111974483 A CN 111974483A CN 202010867640 A CN202010867640 A CN 202010867640A CN 111974483 A CN111974483 A CN 111974483A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/02—Laboratory benches or tables; Fittings therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/06—Auxiliary integrated devices, integrated components
- B01L2300/0681—Filter
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- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses an experimental platform applied to a magnetic bearing-rotor, which comprises a working plate table, a material preparation structure, an adjusting structure and a circulating structure; a working plate table: the left side surface of the workbench is provided with a support and a support plate respectively, the support plate is positioned at the rear side of the support, the rear step surface of the workbench and the upper surface of the support plate are fixedly connected with the lower surface of a linear motor, the upper surface of a rotor seat of the linear motor is provided with an electric push rod, the upper end of the telescopic end of the electric push rod is provided with a connecting plate, the front side of the lower surface of the connecting plate is provided with a chuck, electromagnets are arranged in a lower surface chuck hole of the chuck, and four corners of the lower surface of the workbench are uniformly provided with; the material preparation structure is as follows: the bracket is arranged on the upper surface of the bracket; the experimental platform applied to the magnetic bearing-rotor is convenient for adjusting the position of the prepared rotor, so that the subsequent laboratory material taking of the rotor is more convenient and faster, and meanwhile, the height of the workbench is also convenient to adjust.
Description
Technical Field
The invention relates to the technical field of magnetic bearings, in particular to an experimental platform applied to a magnetic bearing-rotor.
Background
The magnetic bearing is a new high-performance bearing, compared with the traditional ball bearing, sliding bearing and oil film bearing, the magnetic bearing has no mechanical contact, the rotor can reach very high running speed, it has the advantages of small mechanical wear, low energy consumption, low noise, long service life, no need of lubrication, no oil pollution, etc., it is specially suitable for special environment of high speed, vacuum and ultra-clean, etc., it can be widely used in the fields of mechanical processing, turbine machinery, aerospace, vacuum technology, rotor dynamic characteristic identification and test, etc., it is known as a new bearing with great promise, the rotor refers to the rotator supported by the bearing, the object without rotation axis itself such as CD, etc., when it adopts rigid connection or additional shaft, it can be regarded as a rotor, and the rotor usually needs to be continuously tested to obtain various data of the rotor during production, there is mostly no fixed experimental platform during the rotor experiment in the traditional process, in some experimental platforms, the clamping of the rotor is troublesome, manual operation is usually required, the flatness of the workbench cannot be guaranteed, and the heat dissipation of an instrument during the experiment is slow, so that the experimental platform applied to the magnetic bearing-rotor is imperative.
Disclosure of Invention
The invention aims to overcome the existing defects, provides an experimental platform applied to a magnetic bearing-rotor, is convenient for adjusting the position of the prepared rotor, enables the subsequent laboratory material taking of the rotor to be more convenient and faster, is also convenient for adjusting the height of a workbench, ensures the flatness of the workbench, can accelerate the air flow on the upper surface of the workbench, enables the heat dissipation of instruments during experiments to be faster, can clean the upper surface of the workbench, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the experimental platform applied to the magnetic bearing-rotor comprises a working plate table, a material preparation structure, an adjusting structure and a circulating structure;
a working plate table: the left side surface of the workbench is provided with a support and a support plate respectively, the support plate is positioned at the rear side of the support, the rear step surface of the workbench and the upper surface of the support plate are fixedly connected with the lower surface of a linear motor, the upper surface of a rotor seat of the linear motor is provided with an electric push rod, the upper end of the telescopic end of the electric push rod is provided with a connecting plate, the front side of the lower surface of the connecting plate is provided with a chuck, electromagnets are arranged in a lower surface chuck hole of the chuck, and four corners of the lower surface of the workbench are uniformly provided with;
the material preparation structure is as follows: the bracket is arranged on the upper surface of the bracket;
the adjusting structure is as follows: the lower ends of the upper support legs are provided with adjusting structures, the lower ends of the adjusting structures are provided with lower support legs, and the lower surfaces of the lower support legs are provided with base plates;
the circulation structure is as follows: the lower surface of the workbench is provided with a plurality of grooves;
wherein: still include the PLC controller, the PLC controller sets up in the leading flank right-hand member of workstation, external power source is connected to the input electricity of PLC controller, linear electric motor, the output of PLC controller is connected to the equal electricity of input of electric putter and electro-magnet, be convenient for adjust the rotor position of prepareeing material, it is convenient and fast more to make follow-up carry out the laboratory to the rotor and get the material, still be convenient for simultaneously to the regulation of workstation height, guarantee the plane degree of workstation, can also accelerate the flow of workstation upper surface air, instrument heat dissipation when making the experiment is faster, can also clean the upper surface of workstation.
Further, the structure of prepareeing material includes a U type section of thick bamboo, carousel and column spinner, a U type section of thick bamboo sets up in the upper surface middle part of support, and the inside bottom surface middle part of a U type section of thick bamboo rotates and is connected with the column spinner, and the upper surface of column spinner and the lower surface middle part fixed connection of carousel evenly are provided with places the hole, are convenient for adjust the rotor position of prepareeing material.
Furthermore, the front end of the inner bottom surface of the U-shaped cylinder is rotatably connected with a driving plate through a pin shaft, the edge of the driving plate penetrates through an opening in the front side of the U-shaped cylinder and is located outside the U-shaped cylinder, and the outer arc surface of the driving plate is provided with a tooth socket meshed with teeth at the upper end of the rotating column, so that the driving plate can rotate conveniently and the rotating disc can be driven.
Further, the structure of prepareeing material still includes spout, spacing groove, ejector pin and spring, the spout sets up in the lower surface of carousel, and the spout is the annular, and the inside of spout evenly is provided with the spacing groove, is provided with the spring in the round hole that the protruding upper surface of the inside bottom surface of U type section of thick bamboo set up, and the upper end of spring is provided with the ejector pin, and the round hole inner wall sliding connection that ejector pin and the protruding upper surface of the inside bottom surface of U type section of thick bamboo set up, and the upper end of ejector pin is spherical, and the upper end and the spout sliding connection of ejector pin play certain.
Furthermore, adjust the structure and include pivot, flat face bearing, T type supporting shoe and lead screw, the lower extreme of going up the landing leg all is connected through the pivot with the upper surface rotation of T type supporting shoe, the upper surface of T type supporting shoe all is provided with flat face bearing, flat face bearing's upper end respectively with the last landing leg lower surface contact who corresponds, the equal threaded connection in the inside lower extreme threaded hole of T type supporting shoe has the lead screw, the equal fixedly connected with lower leg of lower extreme of lead screw, the slide opening at lower leg middle part respectively with the T type supporting shoe lower extreme body of rod sliding connection who corresponds, be convenient for to the regulation of work plate platform height, guarantee the plane degree of work plate platform.
Furthermore, the left side surface and the right side surface of the upper supporting leg are respectively provided with a sliding groove plate, the left side surface and the right side surface of the lower supporting leg are respectively provided with a sliding block, the inner wall of each sliding groove plate is in sliding connection with the corresponding sliding block in the vertical direction, and dislocation of the upper supporting leg and the lower supporting leg during adjustment is prevented.
Further, the loop construction is including going out gas groove, draught fan, dust cloth, dust collection box and air inlet duct, the lower surface of workstation is provided with draught fan and dust collection box respectively, the draught fan is located the left side of dust collection box, the inside of dust collection box is provided with dust cloth, the air intake of draught fan passes through the inside intercommunication of pipeline and dust collection box, the left and right sides of workstation is provided with respectively goes out gas groove and air inlet duct, the lower extreme that goes out the gas groove passes through the pipeline and links to each other with the air outlet of draught fan, the lower extreme of air inlet duct passes through the inside intercommunication of pipeline and dust collection box, the output of PLC controller is connected to the input electricity of draught fan, instrument heat dissipation when making the experiment is faster, can also clean the workstation.
Further, the upper surface edge of workstation is provided with keeps off the ring, keeps off the inner wall lower extreme about the ring and all is provided with the opening, and the opening communicates with each other with going out the air duct and air inlet duct respectively, prevents that the rotor of workstation upper surface from dropping.
Furthermore, a glass window is hermetically arranged at an opening at the front end of the strip groove in the middle of the front side face of the workbench, and scale marks are symmetrically arranged at the left end and the right end of the front side face of the glass window, so that whether the workbench is horizontal or not can be observed conveniently.
Compared with the prior art, the invention has the beneficial effects that: the experimental platform applied to the magnetic bearing-rotor has the following advantages:
1. the rotors to be tested are respectively placed in the placing holes uniformly arranged on the upper surface of the turntable, the drive plate is rotationally connected with the front end of the inner bottom surface of the U-shaped cylinder through a pin shaft, the edge of the drive plate penetrates through the opening on the front side of the U-shaped cylinder and is positioned outside the U-shaped cylinder, the outer cambered surface of the drive plate is provided with a tooth socket meshed with teeth on the upper end of the rotating column, the rotating column is rotationally connected with the middle part of the inner bottom surface of the U-shaped cylinder, the drive plate is stirred, so that the rotating column rotates, and then it is rotatory to drive the carousel, the upper end and the spout sliding connection of ejector pin, the spring shrink this moment, the ejector pin corresponds with the inside even spacing groove that sets up of spout after the carousel is rotatory to certain angle, and the spring shrink is bounced this moment, pushes up the ejector pin to the inside of spacing groove, and the ejector pin plays certain limiting displacement this moment, and the hole of placing that the carousel upper surface evenly set up has one row to be the horizontality, the subsequent material of getting of being convenient for.
2. The lower end of the upper supporting leg is rotatably connected with the upper surface of the T-shaped supporting block through a rotating shaft, the T-shaped supporting block is rotated, a threaded hole at the lower end inside the T-shaped supporting block is connected with a screw rod thread fixedly arranged on the bottom surface of a sliding hole in the middle of the lower supporting leg in a threaded mode, the T-shaped supporting block is slidably connected with the sliding hole in the middle of the lower supporting leg in a sliding mode, the T-shaped supporting block slides upwards along the sliding hole in the middle of the lower supporting leg when the T-shaped supporting block rotates, a plane bearing is arranged on the upper surface of the T-shaped supporting block, friction force generated by the T-shaped supporting block and the upper supporting leg when the T-shaped supporting block rotates during adjustment is reduced, the height of the working plate table is convenient to adjust.
3. Through the work of PLC controller control draught fan, because the air intake of draught fan passes through the inside intercommunication of pipeline and dust collection box, the lower extreme that goes out the air chute passes through the air outlet of pipeline and draught fan and links to each other, the lower extreme of air inlet duct passes through the inside intercommunication of pipeline and dust collection box, thereby accelerate the flow of workstation upper surface air, instrument heat dissipation when making the experiment is faster, simultaneously can also inhale the inside of dust collection box with the dust of workstation upper surface, the inside of dust collection box is provided with the dust cloth of straining, can prevent that the dust from getting into the draught fan.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
fig. 3 is a schematic partial sectional view of the stock preparation structure of the present invention.
In the figure: 1 workbench, 2 material preparation structures, 21 drive plates, 22U-shaped cylinders, 23 sliding chutes, 24 limiting grooves, 25 turntables, 26 rotating columns, 27 ejector rods, 28 springs, 3 adjusting structures, 31 rotating shafts, 32 plane bearings, 33T-shaped supporting blocks, 34 screw rods, 35 sliding chute plates, 36 sliding blocks, 4 circulating structures, 41 air outlet grooves, 42 induced draft fans, 43 dust filter cloth, 44 dust collection boxes, 45 air inlet grooves, 5 supports, 6 support plates, 7 linear motors, 8 electric push rods, 9 connecting plates, 10 chucks, 11 retaining rings, 12 upper supporting legs, 13 lower supporting legs, 14 backing plates, 15 glass windows, 16 scale marks and 17PLC controllers.
Detailed Description
The technical solutions in the embodiments of the present invention will be 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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the experimental platform applied to the magnetic bearing-rotor comprises a working plate table 1, a material preparation structure 2, an adjusting structure 3 and a circulating structure 4;
work bench 1: the left side surface of the working table is respectively provided with a bracket 5 and a support plate 6, the support plate 6 is positioned at the rear side of the bracket 5, the rear end step surface of the working table 1 and the upper surface of the support plate 6 are fixedly connected with the lower surface of a linear motor 7, the upper surface of a rotor base of the linear motor 7 is provided with an electric push rod 8, the upper end of the telescopic end of the electric push rod 8 is provided with a connecting plate 9, the front side of the lower surface of the connecting plate 9 is provided with a chuck 10, electromagnets are arranged in lower surface clamping holes of the chuck 10, four corners of the lower surface of the working table 1 are uniformly provided with upper support legs 12, a PLC (programmable logic controller) 17 controls the linear motor 7 to work to drive an upper end structure to move to a position corresponding to the longitudinal direction of a rotor, the PLC 17 controls the telescopic end of the electric push rod 8 to contract to drive the chuck 10 arranged at the front side of the lower surface of the connecting plate 9 to move downwards, the PLC 17 controls the electric push rod 8 and the linear motor 7 to work, the sucked rotor is moved to a proper experimental station, manual operation is reduced, the rotor is prevented from falling due to the manufacturing error of a manufacturer, and the support 5 and the support plate 6 provide a support installation place for an upper structure;
the material preparation structure 2: the material preparation structure 2 comprises a U-shaped cylinder 22, a rotary table 25 and a rotary column 26, the U-shaped cylinder 22 is arranged in the middle of the upper surface of the support 5, the rotary column 26 is rotatably connected in the middle of the inner bottom surface of the U-shaped cylinder 22, the upper surface of the rotary column 26 is fixedly connected with the middle of the lower surface of the rotary table 25, placement holes are uniformly formed in the upper surface of the rotary table 25, a driving plate 21 is rotatably connected to the front end of the inner bottom surface of the U-shaped cylinder 22 through a pin shaft, the edge of the driving plate 21 penetrates through an opening in the front side of the U-shaped cylinder 22 and is positioned outside the U-shaped cylinder 22, a tooth socket meshed with teeth at the upper end of the rotary column 26 is arranged on the outer arc surface of the driving plate 21, the material preparation structure 2 further comprises a sliding groove 23, a limiting groove 24, a mandril 27 and a spring 28, the sliding groove 23 is arranged on the lower surface of the rotary table 25, the sliding groove, the upper end of the spring 28 is provided with an ejector rod 27, the ejector rod 27 is in sliding connection with the inner wall of a round hole formed in the upper surface of the inner bottom surface of the U-shaped cylinder 22, the upper end of the ejector rod 27 is in spherical shape, the upper end of the ejector rod 27 is in sliding connection with the sliding groove 23, a rotor to be tested is respectively placed in a placing hole uniformly formed in the upper surface of the rotary table 25, the drive plate 21 is in rotating connection with the front end of the inner bottom surface of the U-shaped cylinder 22 through a pin shaft, the edge of the drive plate 21 penetrates through an opening in the front side of the U-shaped cylinder 22 and is positioned outside the U-shaped cylinder 22, the outer arc surface of the drive plate 21 is provided with a tooth socket meshed with teeth at the upper end of the rotary column 26, the rotary column 26 is in rotating connection with the middle part of the inner bottom surface of the U-shaped cylinder 22, the drive plate 21 is shifted, so that the rotary column 26 rotates to drive the rotary table 25 to, at the moment, the spring 28 contracts and bounces, the ejector rod 27 is ejected to the inside of the limiting groove 24, the ejector rod 27 plays a certain limiting role, and a row of placing holes uniformly formed in the upper surface of the turntable 25 are in a horizontal state, so that subsequent material taking is facilitated;
the adjusting structure 3: the lower ends of the upper support legs 12 are respectively provided with an adjusting structure 3, the lower ends of the adjusting structures 3 are respectively provided with a lower support leg 13, the lower surfaces of the lower support legs 13 are respectively provided with a backing plate 14, each adjusting structure 3 comprises a rotating shaft 31, a plane bearing 32, a T-shaped support block 33 and a lead screw 34, the lower ends of the upper support legs 12 are respectively rotatably connected with the upper surface of the T-shaped support block 33 through the rotating shaft 31, the upper surfaces of the T-shaped support blocks 33 are respectively provided with the plane bearings 32, the upper ends of the plane bearings 32 are respectively contacted with the lower surfaces of the corresponding upper support legs 12, the threaded holes at the lower ends of the inner parts of the T-shaped support blocks 33 are respectively in threaded connection with the lead screw 34, the lower ends of the lead screws 34 are respectively and fixedly connected with the lower support legs 13, the sliding holes at the middle parts of the lower support legs 13 are respectively in sliding connection, a threaded hole at the lower end in the T-shaped supporting block 33 is in threaded connection with a screw rod 34 fixedly arranged on the bottom surface of a sliding hole in the middle of the lower leg 13, the T-shaped supporting block 33 is in sliding connection with the sliding hole in the middle of the lower leg 13, the T-shaped supporting block 33 slides upwards along the sliding hole in the middle of the lower leg 13 while rotating, the upper surfaces of the T-shaped supporting block 33 are respectively provided with a plane bearing 32, the friction force generated by the T-shaped supporting block 33 and the upper leg 12 when rotating during adjustment is reduced, the height of the working plate table 1 is convenient to adjust, the flatness of the working plate table 1 is ensured, the left side surface and the right side surface of the upper leg 12 are respectively provided with a sliding groove plate 35, the left side surface and the right side surface of the lower leg 13 are respectively provided with a sliding block 36, the inner wall of the;
the circulation structure 4: the circulating structure 4 comprises an air outlet groove 41, an induced draft fan 42, dust filtration cloth 43, a dust collection box 44 and an air inlet groove 45, the induced draft fan 42 and the dust collection box 44 are respectively arranged on the lower surface of the workbench 1, the induced draft fan 42 is positioned on the left side of the dust collection box 44, the dust filtration cloth 43 is arranged inside the dust collection box 44, an air inlet of the induced draft fan 42 is communicated with the inside of the dust collection box 44 through a pipeline, the air outlet groove 41 and the air inlet groove 45 are respectively arranged on the left side and the right side of the workbench 1, the lower end of the air outlet groove 41 is connected with an air outlet of the induced draft fan 42 through a pipeline, the lower end of the air inlet groove 45 is communicated with the inside of the dust collection box 44 through a pipeline, the induced draft fan 42 is controlled to work by the PLC 17, because the air inlet of the induced draft fan 42 is communicated with the inside of the dust collection box 44 through a pipeline, the lower end of, therefore, the air flow on the upper surface of the workbench 1 is accelerated, the heat dissipation of instruments during an experiment is faster, meanwhile, the dust on the upper surface of the workbench 1 can be sucked into the dust collection box 44, and the dust filtration cloth 43 is arranged in the dust collection box 44, so that the dust can be prevented from entering the induced draft fan 42;
wherein: still include PLC controller 17, PLC controller 17 sets up in the leading flank right-hand member of work board platform 1, and external power source is connected to PLC controller 17's input electricity, and PLC controller 17's output is all connected to the equal electricity of input of draught fan 42, linear electric motor 7, electric putter 8 and electro-magnet, guarantees each structural circuit's normal operating.
Wherein: the upper surface edge of workstation 1 is provided with keeps off ring 11, keeps off ring 11 and all is provided with the opening about the inner wall lower extreme, and the opening communicates with each other with gas outlet groove 41 and air inlet groove 45 respectively, keeps off ring 11 and can prevent that the rotor of workstation 1 upper surface from dropping.
Wherein: a glass window 15 is arranged at the opening of the front end of a strip-shaped groove in the middle of the front side face of the working board table 1 in a sealing mode, scale marks 16 are symmetrically arranged at the left end and the right end of the front side face of the glass window 15, a certain amount of water is introduced into the strip-shaped groove in the middle of the front side face of the working board table 1, the glass window 15 is arranged at the opening of the front end of the strip-shaped groove in a sealing mode, the scale marks 16 are symmetrically arranged at the left end and the right end of the front side face of the glass window 15, whether the working board table 1 is flat.
When in use: a certain amount of water is introduced into a strip-shaped groove in the middle of the front side surface of the working board table 1, a glass window 15 is hermetically arranged at an opening at the front end of the strip-shaped groove, scale marks 16 are symmetrically arranged at the left and right ends of the front side surface of the glass window 15, whether the working board table 1 is flat or not is judged by observing the water levels at the left and right sides inside the working board table, so that the working board table can be adjusted in time, the lower ends of the upper supporting legs 12 are rotatably connected with the upper surface of a T-shaped supporting block 33 through rotating shafts 31, the T-shaped supporting block 33 is rotated, threaded holes at the lower ends inside the T-shaped supporting block 33 are in threaded connection with screw rods 34 fixedly arranged at the bottom surface of a sliding hole in the middle of the lower supporting legs 13, the T-shaped supporting block 33 is in sliding connection with a sliding hole in the middle of the lower supporting legs 13, the T-shaped supporting block 33 slides upwards along the sliding hole, the height of the workbench 1 can be conveniently adjusted, the flatness of the workbench 1 is ensured, the inner wall of a sliding groove plate 35 is in sliding connection with a vertically corresponding sliding block 36, dislocation of an upper supporting leg 12 and a lower supporting leg 13 during adjustment is prevented, rotors to be tested are respectively placed in placing holes uniformly formed in the upper surface of the turntable 25, a driving plate 21 is rotatably connected with the front end of the inner bottom surface of the U-shaped cylinder 22 through a pin shaft, the edge of the driving plate 21 penetrates through an opening in the front side of the U-shaped cylinder 22 and is positioned outside the U-shaped cylinder 22, a tooth groove meshed with teeth at the upper end of the rotating column 26 is formed in the outer arc surface of the driving plate 21, the rotating column 26 is rotatably connected with the middle of the inner bottom surface of the U-shaped cylinder 22, the driving plate 21 is shifted, so that the rotating column 26 rotates to drive the turntable 25 to rotate, the upper end of the push rod 27 is in sliding connection with the sliding groove 23, the spring 28 contracts at the moment, and, at the moment, the spring 28 contracts and bounces, the ejector rod 27 is ejected to the inside of the limiting groove 24, the ejector rod 27 plays a certain limiting role, a row of placing holes uniformly formed in the upper surface of the rotary disc 25 is in a horizontal state, subsequent material taking is facilitated, meanwhile, the PLC 17 controls the linear motor 7 to work, the upper end structure is driven to move to a position corresponding to the rotor in the longitudinal direction, the PLC 17 controls the telescopic end of the electric push rod 8 to contract, the chuck 10 arranged on the front side of the lower surface of the connecting plate 9 is driven to move downwards, when the chuck 10 corresponds to the rotor on the upper surface of the rotary disc 25, the PLC 17 controls the electromagnet in the clamping hole on the lower surface of the chuck 10 to suck the rotor, the PLC 17 controls the electric push rod 8 and the linear motor 7 to work, the electromagnet is powered off, the sucked rotor is moved to a proper experimental station, manual operation is reduced, and the rotor is, through PLC controller 17 control draught fan 42 work during the experiment, because the inside intercommunication of pipeline and dust collection box 44 is passed through to the air intake of draught fan 42, the lower extreme of going out air duct 41 passes through the pipeline and links to each other with the air outlet of draught fan 42, the inside intercommunication of pipeline and dust collection box 44 is passed through to the lower extreme of intake stack 45, thereby accelerate the flow of table 1 upper surface air, instrument heat dissipation when making the experiment is faster, simultaneously can also inhale the inside of dust collection box 44 with the dust of table 1 upper surface, the inside of dust collection box 44 is provided with dust cloth 43, can prevent that the dust from getting into draught fan 42, retaining ring 11 can prevent that the rotor of table 1 upper surface from dropping.
It is to be noted that the electromagnet disclosed in this embodiment may be an electromagnet of ZYE1-P30/22 model number, the induced draft fan 42 may be a blower of T-CZR-2.5 of tai er electromechanical ltd, the electric push rod 8 may be an alternating current push rod of JK-JP3 model number, the linear motor 7 may be a DLMF-04 linear motor of hao electromechanical ltd, guangzhou city, the core chip of the PLC controller 17 may be a PLC single chip microcomputer, the specific model number is S7-200, and the induced draft fan 42, the linear motor 7, the electric push rod 8 and the electromagnet are controlled by the PLC controller 17 to operate by a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The experimental platform applied to the magnetic bearing-rotor is characterized in that: comprises a working plate table (1), a material preparing structure (2), an adjusting structure (3) and a circulating structure (4);
work bench (1): the left side surface of the workbench is provided with a support (5) and a support plate (6) respectively, the support plate (6) is positioned at the rear side of the support (5), the rear end step surface of the workbench (1) and the upper surface of the support plate (6) are fixedly connected with the lower surface of a linear motor (7), the upper surface of a rotor seat of the linear motor (7) is provided with an electric push rod (8), the upper end of the telescopic end of the electric push rod (8) is provided with a connecting plate (9), the front side of the lower surface of the connecting plate (9) is provided with a chuck (10), electromagnets are arranged in a lower surface clamping hole of the chuck (10), and four corners of the lower surface of the workbench (1) are uniformly provided with upper support legs;
the material preparation structure (2): is arranged on the upper surface of the bracket (5);
adjustment structure (3): the lower ends of the upper supporting legs (12) are respectively provided with an adjusting structure (3), the lower ends of the adjusting structures (3) are respectively provided with a lower supporting leg (13), and the lower surfaces of the lower supporting legs (13) are respectively provided with a backing plate (14);
circulation structure (4): is arranged on the lower surface of the workbench (1);
wherein: still include PLC controller (17), PLC controller (17) set up in the leading flank right-hand member of work board platform (1), and external power source is connected to the input electricity of PLC controller (17), and the output of PLC controller (17) is all connected to the input electricity of linear electric motor (7), electric putter (8) and electro-magnet.
2. The experimental platform applied to magnetic bearing-rotor according to claim 1, characterized in that: prepare material structure (2) and include a U type section of thick bamboo (22), carousel (25) and column spinner (26), a U type section of thick bamboo (22) set up in the upper surface middle part of support (5), and the inside bottom surface middle part of a U type section of thick bamboo (22) rotates and is connected with column spinner (26), and the upper surface of column spinner (26) and the lower surface middle part fixed connection of carousel (25), the upper surface of carousel (25) evenly is provided with places the hole.
3. The experimental platform applied to magnetic bearing-rotor according to claim 2, characterized in that: the front end of the inner bottom surface of the U-shaped cylinder (22) is rotatably connected with a driving plate (21) through a pin shaft, the edge of the driving plate (21) penetrates through an opening in the front side of the U-shaped cylinder (22) and is located outside the U-shaped cylinder (22), and a tooth socket meshed with teeth at the upper end of the rotating column (26) is arranged on the outer arc surface of the driving plate (21).
4. The experimental platform applied to magnetic bearing-rotor according to claim 2, characterized in that: the feed preparation structure (2) further comprises a sliding groove (23), a limiting groove (24), a push rod (27) and a spring (28), the sliding groove (23) is formed in the lower surface of the rotary table (25), the sliding groove (23) is annular, the limiting groove (24) is uniformly formed in the sliding groove (23), the spring (28) is arranged in a round hole formed in the upper surface of the inner bottom surface of the U-shaped cylinder (22), the push rod (27) is arranged at the upper end of the spring (28), the push rod (27) is in sliding connection with the inner wall of the round hole formed in the upper surface of the inner bottom surface of the U-shaped cylinder (22), the upper end of the push rod (27) is spherical, and the upper end of the push rod (27).
5. The experimental platform applied to magnetic bearing-rotor according to claim 1, characterized in that: adjusting structure (3) are including pivot (31), flat bearing (32), T type supporting shoe (33) and lead screw (34), the lower extreme of going up landing leg (12) all is connected through pivot (31) and the upper surface rotation of T type supporting shoe (33), the upper surface of T type supporting shoe (33) all is provided with flat bearing (32), the upper end of flat bearing (32) respectively with last landing leg (12) lower surface contact that corresponds, the screw hole of the inside lower extreme of T type supporting shoe (33) is interior equal threaded connection has lead screw (34), the equal fixedly connected with lower landing leg (13) of lower extreme of lead screw (34), the slide opening in lower landing leg (13) middle part respectively with the T type supporting shoe (33) lower extreme body of rod sliding connection that corresponds.
6. The experimental platform applied to magnetic bearing-rotor according to claim 5, characterized in that: the left side and the right side of the upper supporting leg (12) are both provided with a sliding groove plate (35), the left side and the right side of the lower supporting leg (13) are both provided with a sliding block (36), and the inner wall of the sliding groove plate (35) is in sliding connection with the vertically corresponding sliding block (36).
7. The experimental platform applied to magnetic bearing-rotor according to claim 1, characterized in that: circulation structure (4) are including going out gas groove (41), draught fan (42), dust filtration cloth (43), dust collection box (44) and inlet duct (45), the lower surface of work board platform (1) is provided with draught fan (42) and dust collection box (44) respectively, draught fan (42) are located the left side of dust collection box (44), the inside of dust collection box (44) is provided with dust filtration cloth (43), the air intake of draught fan (42) passes through the inside intercommunication of pipeline with dust collection box (44), both sides are provided with respectively to go out gas groove (41) and inlet duct (45) about work board platform (1), the lower extreme of going out gas groove (41) passes through the pipeline and links to each other with the air outlet of draught fan (42), the lower extreme of inlet duct (45) passes through the inside intercommunication of pipeline with dust collection box (44), the output of PLC controller (17) is connected to the input electricity of draught fan (42).
8. The experimental platform applied to magnetic bearing-rotor according to claim 7, characterized in that: the edge of the upper surface of the workbench (1) is provided with a baffle ring (11), the lower ends of the left inner wall and the right inner wall of the baffle ring (11) are provided with openings, and the openings are communicated with an air outlet groove (41) and an air inlet groove (45) respectively.
9. The experimental platform applied to magnetic bearing-rotor according to claim 1, characterized in that: the glass window (15) is hermetically arranged at the opening at the front end of the strip groove in the middle of the front side surface of the working plate table (1), and the left end and the right end of the front side surface of the glass window (15) are symmetrically provided with scale marks (16).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114130255A (en) * | 2021-11-27 | 2022-03-04 | 山东理工职业学院 | Dye mixing and color mixing integrated device for planar design |
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| CN114130255A (en) * | 2021-11-27 | 2022-03-04 | 山东理工职业学院 | Dye mixing and color mixing integrated device for planar design |
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