CN215338939U - Mixed magnetic suspension low-damping bearing transportation experimental device - Google Patents
Mixed magnetic suspension low-damping bearing transportation experimental device Download PDFInfo
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- CN215338939U CN215338939U CN202120605774.2U CN202120605774U CN215338939U CN 215338939 U CN215338939 U CN 215338939U CN 202120605774 U CN202120605774 U CN 202120605774U CN 215338939 U CN215338939 U CN 215338939U
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- 238000013016 damping Methods 0.000 title claims abstract description 30
- 239000000725 suspension Substances 0.000 title claims abstract description 29
- 238000005339 levitation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000001603 reducing effect Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a mixed magnetic suspension low-damping bearing transportation experimental device, which comprises a motion guide rail, a bearing platform, a guide device, a current control device, a thrust device and an external microcomputer system, wherein the motion guide rail consists of a motion platform, an electromagnetic coil tray and an electromagnetic coil, the electromagnetic coil is positioned between the motion platform and the electromagnetic coil tray, the bearing platform consists of a carrying platform, a permanent magnet tray, a laser ranging sensor and a permanent magnet, and the permanent magnet and the laser ranging sensor are positioned between the carrying platform and the permanent magnet tray; the guide device is two set squares and is installed on the motion guide rail, the current control device processes the acquired data of the laser ranging sensor according to an external microcomputer system and regulates and controls the magnitude of current, so as to control the repulsive force generated by the electromagnetic coil and the permanent magnet.
Description
Technical Field
The utility model relates to the field of experimental devices, in particular to a mixed magnetic suspension low-damping bearing and transporting experimental device.
Background
In various mechanical equipment and test systems, motion platforms are widely applied, friction coefficients between motion joint surfaces tend to be minimum in many applications, the common friction reducing modes at present comprise wet friction reduction and dry friction reduction, the friction reducing effect obtained by the wet contact interface friction reducing mode represented by oil film lubrication is limited, an oil supply lubricating system is needed because of the formation condition of providing a high-pressure oil film, oil exists in the system and is not suitable for friction reduction under extreme use conditions such as vacuum and high temperature, the dry contact surface is a common motion surface contact mode, the friction resistance between the motion joint surfaces is larger, low-friction resistance materials such as nylon, ceramic and the like are generally selected to be added on the motion interfaces or the contact mode is changed into sliding to rolling for friction reduction, but the extremely low-damping motion platform can not be achieved in special environments proposed by scientific research institutions, however, the friction reducing modes of the two motion interfaces are not applicable, the magnetic suspension technology utilizes the principle that like magnetic poles repel each other to reduce the friction coefficient of the two motion interfaces and even enable the friction coefficient to approach zero, the magnetic suspension technology is suitable for the friction reducing requirements of various environments, the purpose of low damping of the motion interfaces is planned to be achieved by adopting a hybrid magnetic suspension motion platform system consisting of electromagnets and permanent magnets in view of achieving adjustability of the load of the motion platform, and the hybrid magnetic suspension low damping bearing transportation experimental device can meet the requirements of low damping motion platforms in special environments of scientific research institutes.
Disclosure of Invention
The utility model aims to provide a mixed magnetic suspension low-damping bearing and transporting experimental device capable of reducing friction in a special environment aiming at the defect of a friction reducing mode between the existing moving platforms, and the mixed magnetic suspension low-damping bearing and transporting experimental device can well meet the requirements.
In order to meet the requirements, the technical scheme adopted by the utility model is as follows: the method comprises the steps of building a mixed magnetic suspension low-damping bearing transportation experiment device, wherein a main body of the experiment device comprises a motion guide rail, a bearing platform, a guide device, a current control device, a thrust device and an external microcomputer system, wherein the motion guide rail is formed by connecting a motion platform, an electromagnetic coil tray and an electromagnetic coil through a fastening hole and a fastening bolt; the electromagnetic coils are arranged in an array manner and connected with the current control device in a parallel connection line manner, the bearing platform is composed of an object carrying platform, a permanent magnet tray, laser ranging sensors and permanent magnets which are connected through fastening holes and fastening bolts, the permanent magnets and the laser ranging sensors are positioned between the object carrying platform and the permanent magnet tray, the arrangement manner of the permanent magnets corresponds to the arrangement manner of the electromagnetic coils in an array manner, the permanent magnet tray punches holes according to the arrangement position of the permanent magnets and the size of the permanent magnets to expose one pole surface of the permanent magnets and reduce the magnetic isolation effect of the permanent magnet tray made of metal, the guide device is two triangular plates and is arranged on the motion guide rail platform by using a threaded fastener, the motion space of the object loading platform is reserved in the middle of the guide device to play a role in preventing the object loading platform from deviating from the correct motion direction and reducing new friction of the motion platform as much as possible, and the current control device is composed of a controllable power supply, a, The current controller is composed of circuits, and can be connected with controllable power supplies in groups according to the number of the electromagnetic coils to reduce the working pressure of the controllable power supplies.
The mixed magnetic suspension low-damping bearing and transporting experimental device has the advantages that:
the friction coefficient between the contact surfaces of the motion platform is adjusted and controlled by adjusting the magnetic force, the friction coefficient of the motion platform adopting the mixed magnetic suspension technology can be adjusted and reduced as required, the current control device is instructed by an external microcomputer system, the current of each branch can be precisely adjusted, and the use of the laser ranging technology leads the operation of the bearing platform to be in a more stable state, the advantages of the device can play a prominent role in precision equipment, further improve the precision degree of the precision equipment, the long-time and long-stroke motion is ideally controlled, the hybrid magnetic suspension technology in the motion platform is to reduce the friction of the contact surface of the motion platform under the condition of no medium, the friction reducing mode can be applied to friction reduction of a moving interface in special environment, such as vacuum, higher experiment temperature environment and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 schematically shows a body structure schematic diagram of a hybrid magnetic suspension low-damping load-bearing transportation experimental device according to an embodiment of the application when in use.
Fig. 2 schematically shows a front view of a structure of a carrying platform of the hybrid magnetic levitation low-damping carrying transportation experimental device according to an embodiment of the present application.
Fig. 3 schematically shows a schematic top view of a permanent magnet tray, a permanent magnet and a laser ranging sensor structure of a hybrid magnetic levitation low-damping load-bearing transportation experimental device according to an embodiment of the application.
Wherein: the device comprises a guide device 1, a thrust device 2, a permanent magnet tray 3, an object carrying platform 4, a laser ranging sensor 5, a permanent magnet 6, a bearing platform 7, an electromagnetic coil 8, a motion guide rail 9, an electromagnetic coil tray 10, a motion platform 11 and a current control device 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described in detail with reference to the accompanying drawings and specific embodiments.
In the following description, references to "one embodiment," "an embodiment," "one example," "an example," etc., indicate that the embodiment or example so described may include a particular feature, structure, characteristic, property, element, or limitation, but not every embodiment or example necessarily includes the particular feature, structure, characteristic, property, element, or limitation, and further, repeated use of the phrase "one embodiment according to the application" although it may refer to the same embodiment, does not necessarily refer to the same embodiment.
Certain features that are well known to those skilled in the art have been omitted from the following description for the sake of simplicity.
According to an embodiment of the application, a hybrid magnetic suspension low damping bearing transportation experimental device is provided, as shown in fig. 1, fig. 2 and fig. 3, including that objective platform 4 is connected through the welding mode with permanent magnet tray 3, permanent magnet 6 is fixed in the middle of objective platform 4 and permanent magnet tray 3 with laser ranging sensor 5 according to the position of the hole on permanent magnet tray 3, objective platform 4, permanent magnet tray 3, permanent magnet 6, laser ranging sensor 5 constitute bearing platform 7 jointly, motion platform 11 is connected through threaded fastener with solenoid tray 10 and direction set square 2, solenoid 8 is fixed in the middle of motion platform 11 and solenoid tray 10 according to the position of the hole on motion platform 11, solenoid tray 10, solenoid 8 constitute motion guide rail 9 jointly, current control device 12 processes the big of acquireing laser ranging sensor 5 data and regulation and control electric current according to outside microcomputer system Is small.
According to one embodiment of the application, the motion interface between the bearing platform and the motion guide rail of the hybrid magnetic suspension low-damping bearing transportation experimental device is smooth.
According to one embodiment of the application, the electromagnetic coils of the hybrid magnetic suspension low-damping bearing and transporting experimental device are located between the moving platform and the electromagnetic coil tray, the optimal installation distance between the electromagnetic coils is calculated through software so as to reduce magnetic interference between the electromagnetic coils, and the arrangement mode of the permanent magnets is determined according to one-to-one correspondence of the arrangement modes of the electromagnetic coils.
According to one embodiment of the application, the mixed magnetic suspension low-damping bearing transportation experiment device is connected with the circuit in the form of an array of electromagnetic coils.
According to one embodiment of the application, the laser ranging sensors of the hybrid magnetic suspension low-damping bearing transportation experimental device are positioned at four vertex angles of the bearing platform, the distances of different positions of the bearing platform relative to the moving platform are monitored in real time, and real-time data are transmitted to an external microcomputer system.
According to one embodiment of the application, the external microcomputer system of the hybrid magnetic suspension low-damping bearing transportation experimental device processes data of the laser ranging sensor and transmits the processed data to the current control device.
According to one embodiment of the application, the current control device of the hybrid magnetic suspension low-damping bearing transportation experimental device adjusts the power supply device according to a signal provided by an external microcomputer system, and then changes the magnetic force generated by the electromagnetic coil so as to adjust the suspension force of the hybrid magnetic suspension low-damping bearing experimental device.
According to one embodiment of the application, when the hybrid magnetic suspension low-damping bearing transportation experiment device is used, the bearing platform is positioned between the two guide triangular plates and above the motion guide rail, and the electromagnetic coil generates magnetic force with the same polarity as the permanent magnet after being electrified, so that repulsive force is generated, the magnetic suspension effect is achieved, and the friction force between motion interfaces is reduced.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Those of ordinary skill in the art will understand that: the components in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, or may be correspondingly changed in one or more devices different from the embodiments.
Finally, it should be noted that: although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the utility model, which is defined in the claims.
Claims (6)
1. The utility model provides a mixed magnetic suspension low damping bears transportation experimental apparatus, its characterized in that, including motion guide rail (9), load-bearing platform (7), guider (1), current control device (12), thrust device (2) are located load-bearing platform (7) direction of motion rear side, load-bearing platform (7) have objective platform (4), permanent magnet tray (3) and laser range finding sensor (5), permanent magnet (6) are connected with objective platform (4) through fastening hole and fastening bolt, laser range finding sensor (5) and outside microcomputer system are connected, guider (1) and motion guide rail (9) are connected through fastening hole and fastening bolt, be equipped with motion platform (11), solenoid (8) and solenoid tray (10) in motion guide rail (9), connect and array distribution is in solenoid tray (10) through the wire between solenoid (8), solenoid (8) are through the wire interconnect and array distribution in solenoid tray (10) The current control device (12) is connected with the electromagnetic coil (8) through a lead, and the external microcomputer system is connected with the current control device (12) through a lead.
2. The hybrid magnetic suspension low-damping bearing and transporting experimental device as claimed in claim 1, wherein the laser ranging sensors (5) are respectively arranged at four top corners of the bearing platform (7) through fastening holes and fastening bolts.
3. The hybrid magnetic suspension low-damping bearing transportation experimental device is characterized in that the guide devices (1) are positioned at two sides of the moving guide rail (9) and are fixedly connected through fastening holes and fastening bolts.
4. The hybrid magnetic levitation low-damping bearing transportation experimental device as claimed in claim 1, wherein the electromagnetic coils (8) on the moving guide rails (9) are correspondingly matched with the permanent magnets (6) on the bearing platform (7) in a halbach array manner.
5. The experimental apparatus for hybrid magnetic levitation low damping bearing transportation as claimed in claim 1, wherein the laser ranging sensor (5) is connected with an external microcomputer system.
6. The experimental apparatus for hybrid magnetic levitation low-damping bearing transportation as claimed in claim 1, wherein the current control device (12) is connected with an external microcomputer system through a wire and controls the magnitude of the current of each branch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120605774.2U CN215338939U (en) | 2021-03-25 | 2021-03-25 | Mixed magnetic suspension low-damping bearing transportation experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120605774.2U CN215338939U (en) | 2021-03-25 | 2021-03-25 | Mixed magnetic suspension low-damping bearing transportation experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215338939U true CN215338939U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120605774.2U Expired - Fee Related CN215338939U (en) | 2021-03-25 | 2021-03-25 | Mixed magnetic suspension low-damping bearing transportation experimental device |
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| Country | Link |
|---|---|
| CN (1) | CN215338939U (en) |
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2021
- 2021-03-25 CN CN202120605774.2U patent/CN215338939U/en not_active Expired - Fee Related
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Granted publication date: 20211228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |