CN205663760U - Five degree of freedom magnetic suspension electricity main shaft that integrates - Google Patents
Five degree of freedom magnetic suspension electricity main shaft that integrates Download PDFInfo
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- CN205663760U CN205663760U CN201620548231.0U CN201620548231U CN205663760U CN 205663760 U CN205663760 U CN 205663760U CN 201620548231 U CN201620548231 U CN 201620548231U CN 205663760 U CN205663760 U CN 205663760U
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- 239000000725 suspension Substances 0.000 title claims abstract description 22
- 230000005611 electricity Effects 0.000 title 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 51
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000004804 winding Methods 0.000 claims description 33
- 230000004907 flux Effects 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 2
- 150000002910 rare earth metals Chemical class 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000005339 levitation Methods 0.000 abstract description 18
- 238000002955 isolation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 8
- 230000004323 axial length Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
本实用新型公开了一种集成化的五自由度磁悬浮电主轴，转子铁芯包括轴向部分、径向部分，轴向部分右侧端设置有转子永磁体；所述定子包括左侧径向磁轴承铁芯、右侧电机铁芯；左侧环形永磁体、右侧环形永磁体；左侧轴向控制铁芯、右侧轴向控制铁芯；左侧轴向控制铁芯与右侧轴向控制铁芯之间设置有隔磁铝环；本实用新型有效解决了现有的五自由度磁悬浮电主轴的不足，提供一种结构紧凑，控制、制造与装配简单，体积小，重量轻，轴向长度短，临界转速高，径向带负载能力强，转速和输出功率高的集成化五自由度磁悬浮电主轴。
The utility model discloses an integrated five-degree-of-freedom magnetic levitation electric spindle. The rotor iron core includes an axial part and a radial part, and a rotor permanent magnet is arranged at the right end of the axial part; the stator includes a left radial magnetic Bearing iron core, right motor iron core; left annular permanent magnet, right annular permanent magnet; left axial control iron core, right axial control iron core; left axial control iron core and right axial There is a magnetic isolation aluminum ring between the control iron cores; the utility model effectively solves the shortcomings of the existing five-degree-of-freedom magnetic suspension electric spindle, and provides a compact structure, simple control, manufacture and assembly, small size, light weight, and a shaft An integrated five-degree-of-freedom magnetic levitation electric spindle with short radial length, high critical speed, strong radial load capacity, high speed and output power.
Description
技术领域technical field
本实用新型涉及电主轴制造技术领域，具体涉及一种结构紧凑，控制、制造与装配简单，体积小，重量轻，轴向长度短，临界转速高，铁芯利用率高，径向和轴向带负载能力强，系统转速和输出功率高的一种高度集成化的五自由度磁悬浮电主轴。The utility model relates to the technical field of electric spindle manufacturing, in particular to a compact structure, simple control, manufacture and assembly, small volume, light weight, short axial length, high critical speed, high iron core utilization rate, radial and axial A highly integrated five-degree-of-freedom magnetic levitation electric spindle with strong load capacity, high system speed and high output power.
背景技术Background technique
五自由度磁悬浮电主轴是利用磁悬浮技术在产生旋转转矩的同时，也产生使转子稳定悬浮的径向力，是实现定、转子之间无任何机械接触运行的一种新型高性能驱动系统。由于定、转子之间不存在机械摩擦，所以五自由度磁悬浮电主轴的转子可达到很高的运行转速，并且具有无机械磨损、能耗低、寿命长、无需润滑、无污染等优点，特别适合应用于高速或超高速直接驱动领域。The five-degree-of-freedom magnetic levitation electric spindle uses magnetic levitation technology to generate rotational torque and radial force to stabilize the rotor. It is a new high-performance drive system that realizes the operation without any mechanical contact between the stator and the rotor. Since there is no mechanical friction between the stator and the rotor, the rotor of the five-degree-of-freedom magnetic levitation electric spindle can reach a high operating speed, and has the advantages of no mechanical wear, low energy consumption, long life, no lubrication, no pollution, etc., especially Suitable for high-speed or ultra-high-speed direct drive applications.
要实现定、转子之间无机械接触，必须在五个自由度上对转子施加控制力。五自由度磁悬浮电主轴的结构形式主要分为以下几种：、由一个轴向单自由度磁轴承、两个径向两自由度磁轴承和一个高速电机单元组成。、由一个径向-轴向三自由度磁轴承、一个径向两自由度磁轴承和高速电机单元组成。、由一个轴向单自由度磁轴承、一个径向两自由度磁轴承和一个径向两自由度无轴承电机组成。、两个径向两自由度无轴承电机、一个轴向单自由度磁轴承组成。、由一个径向两自由度无轴承电机和一个轴向-径向三自由度磁轴承组成。To achieve no mechanical contact between the stator and rotor, control forces must be applied to the rotor in five degrees of freedom. The structural form of the five-degree-of-freedom magnetic levitation electric spindle is mainly divided into the following types: , It consists of an axial single-degree-of-freedom magnetic bearing, two radial two-degree-of-freedom magnetic bearings and a high-speed motor unit. , It consists of a radial-axial three-degree-of-freedom magnetic bearing, a radial two-degree-of-freedom magnetic bearing and a high-speed motor unit. , It consists of an axial single degree of freedom magnetic bearing, a radial two degree of freedom magnetic bearing and a radial two degree of freedom bearingless motor. , two radial two-degree-of-freedom bearingless motors, and one axial single-degree-of-freedom magnetic bearing. , It consists of a radial two-degree-of-freedom bearingless motor and an axial-radial three-degree-of-freedom magnetic bearing.
不论采用哪一种结构形式，现有的悬浮电主轴全部是由多个独立单元，沿着轴向组合而成，导致轴向长度长，临界转速低，体积大，控制复杂，且径向与轴向带负载能力差，系统转速和输出功率低，严重制约了磁悬浮电主轴的工业应用进程。No matter what kind of structure is adopted, the existing suspension electric spindles are all composed of multiple independent units along the axial direction, resulting in long axial length, low critical speed, large volume, complex control, and radial and Poor axial load capacity, low system speed and output power seriously restrict the industrial application process of the magnetic levitation electric spindle.
发明内容Contents of the invention
本实用新型要解决的技术问题是提供一种集成化的五自由度磁悬浮电主轴，本实用新型有效解决了现有的五自由度磁悬浮电主轴的不足，提供一种结构紧凑，控制、制造与装配简单，体积小，重量轻，轴向长度短，临界转速高，径向带负载能力强，转速和输出功率高的集成化五自由度磁悬浮电主轴。The technical problem to be solved by the utility model is to provide an integrated five-degree-of-freedom magnetic suspension electric spindle. It is an integrated five-degree-of-freedom magnetic levitation electric spindle with simple assembly, small size, light weight, short axial length, high critical speed, strong radial load capacity, high speed and output power.
本实用新型通过以下技术方案实现：The utility model is realized through the following technical solutions:
一种集成化的五自由度磁悬浮电主轴，包括定子、转子铁芯（8），其特征在于：所述转子铁芯（8）包括轴向部分、径向部分，轴向部分右侧端设置有转子永磁体（19）；所述定子包括沿转子铁芯（8）的轴向部分，并以转子铁芯（8）的径向部分为对称中心，依次对称设置的左侧径向磁轴承铁芯(1)、右侧电机铁芯(7)；左侧环形永磁体(2)、右侧环形永磁体(6)；左侧轴向控制铁芯(3)、右侧轴向控制铁芯(5)；左侧轴向控制铁芯(3)与右侧轴向控制铁芯(5)之间设置有隔磁铝环（4）；左侧径向磁轴承铁芯(1)为三极、或为四极、或为八极结构，其定子齿上绕制有径向悬浮控制绕组（9），右侧电机铁芯(7)的定子槽内沿径向外层绕制悬浮控制绕组（10），内层绕制转矩绕组（11）；左侧轴向控制铁芯(3)、右侧轴向控制铁芯(5)均呈E形结构，定子槽内分别绕制轴向控制绕组(14)。An integrated five-degree-of-freedom magnetic levitation electric spindle, including a stator and a rotor core (8), characterized in that: the rotor core (8) includes an axial part and a radial part, and the right end of the axial part is set There is a rotor permanent magnet (19); the stator includes a radial magnetic bearing on the left side arranged symmetrically along the axial part of the rotor core (8) and taking the radial part of the rotor core (8) as the center of symmetry Iron core (1), right motor iron core (7); left annular permanent magnet (2), right annular permanent magnet (6); left axial control iron core (3), right axial control iron core (5); a magnetic isolation aluminum ring (4) is arranged between the left axial control iron core (3) and the right axial control iron core (5); the left radial magnetic bearing iron core (1) is Three-pole, or four-pole, or eight-pole structure, the radial suspension control winding (9) is wound on the stator teeth, and the stator slot of the right motor core (7) is wound and suspended along the radial outer layer The control winding (10), the inner winding torque winding (11); the left axial control iron core (3) and the right axial control iron core (5) both have an E-shaped structure, and are respectively wound in the stator slots Axial control winding (14).
本实用新型进一步技术改进方案是：The further technical improvement scheme of the utility model is:
所述左侧轴向控制铁芯(3)、右侧轴向控制铁芯(5)分别均由上下位置设置的吸力圆盘(12、15；16、18)以及中间位置设置的控制圆盘（13、17）构成，轴向控制绕组(14)绕制于吸力圆盘(12、15；16、18)与控制圆盘（13、17）之间。The left axial control iron core (3) and the right axial control iron core (5) are respectively composed of suction disks (12, 15; 16, 18) arranged at the upper and lower positions and a control disk arranged at the middle position (13,17), the axial control winding (14) is wound between the suction discs (12,15; 16,18) and the control discs (13,17).
本实用新型进一步技术改进方案是：The further technical improvement scheme of the utility model is:
所述控制圆盘（13、17）与转子铁芯（8）径向部分之间的气隙长度大于吸力圆盘（12、15；16、18）与转子铁芯（8）径向部分之间的气隙长度，且吸力圆盘（12、15；16、18）与转子铁芯（8）径向部分之间的气隙长度小于左侧轴向控制铁芯(3)、右侧轴向控制铁芯(5)与转子铁芯（8）轴向部分之间的气隙长度。The length of the air gap between the control discs (13, 17) and the radial part of the rotor core (8) is longer than that between the suction discs (12, 15; 16, 18) and the radial part of the rotor core (8). and the length of the air gap between the suction discs (12, 15; 16, 18) and the radial part of the rotor core (8) is smaller than that of the left axial control core (3) and the right shaft The length of the air gap between the control core (5) and the axial part of the rotor core (8).
本实用新型进一步技术改进方案是：The further technical improvement scheme of the utility model is:
所述左侧环形永磁体(2)、右侧环形永磁体(6)均为轴向充磁的环形永磁体，在五个自由度上产生偏置磁通。The left annular permanent magnet (2) and the right annular permanent magnet (6) are axially magnetized annular permanent magnets, which generate bias magnetic flux in five degrees of freedom.
本实用新型进一步技术改进方案是：The further technical improvement scheme of the utility model is:
所述隔磁铝环（4）由整块铝材制成，将左右两侧磁路相隔开，且减少漏磁。The magnetic isolation aluminum ring (4) is made of a whole piece of aluminum, which separates the magnetic circuits on the left and right sides and reduces magnetic flux leakage.
本实用新型进一步技术改进方案是：The further technical improvement scheme of the utility model is:
所述左侧径向磁轴承铁芯(1)、左侧轴向控制铁芯(3)、右侧轴向控制铁芯(5)、右侧电机铁芯(7)、转子铁芯（8）均采用具有良好轴向和径向导磁性能的材料制成。The left radial magnetic bearing core (1), the left axial control core (3), the right axial control core (5), the right motor core (7), the rotor core (8 ) are made of materials with good axial and radial magnetic permeability.
本实用新型进一步技术改进方案是：The further technical improvement scheme of the utility model is:
所述左侧环形永磁体(2)、右侧环形永磁体(6) 、转子永磁体（19）均为稀土永磁材料制成。The left annular permanent magnet (2), the right annular permanent magnet (6) and the rotor permanent magnet (19) are all made of rare earth permanent magnet materials.
本实用新型与现有技术相比，具有以下明显优点：Compared with the prior art, the utility model has the following obvious advantages:
一、本实用新型五自由度磁悬浮电主轴，由定子和转子组成，实现转子在五个自由度上稳定悬浮与旋转，结构紧凑，体积小，重量轻，轴向长度短，临界转速高，铁芯利用率高，系统转速和输出功率高；1. The five-degree-of-freedom magnetic levitation electric spindle of the utility model is composed of a stator and a rotor to realize stable suspension and rotation of the rotor in five degrees of freedom. It has compact structure, small volume, light weight, short axial length, high critical speed, and iron High core utilization, high system speed and output power;
二、本实用新型高度集成化的五自由度磁悬浮电主轴由两个轴向磁化的环形永磁体给左侧径向磁轴承铁芯、右侧电机铁芯和左、右轴向控制铁芯提供偏置磁通，而左侧径向磁轴承与右侧电机的悬浮控制绕组产生相应的径向控制磁通，轴向控制绕组通电产生轴向控制磁通，由控制磁通调节相对应位置的偏置磁通，保证定、转子之间轴向和径向气隙均匀，实现转子五自由度稳定悬浮；2. The highly integrated five-degree-of-freedom magnetic levitation electric spindle of the utility model is provided by two axially magnetized annular permanent magnets for the left radial magnetic bearing core, the right motor core and the left and right axial control cores. Bias magnetic flux, while the left radial magnetic bearing and the suspension control winding of the right motor generate corresponding radial control magnetic flux, and the axial control winding generates axial control magnetic flux, and the corresponding position is adjusted by the control magnetic flux The bias magnetic flux ensures uniform axial and radial air gaps between the stator and the rotor, and realizes the stable suspension of the rotor with five degrees of freedom;
三、本实用新型采用采用隔磁铝环将左右两侧磁路相互隔离，且保证偏置磁通不经过永磁体，且减少漏磁，偏置磁通均不经过永磁体，可产生较大的轴向和径向悬浮力、低功耗、控制简单。3. The utility model adopts magnetic isolation aluminum rings to isolate the magnetic circuits on the left and right sides from each other, and ensures that the bias magnetic flux does not pass through the permanent magnets, and reduces magnetic flux leakage. The bias magnetic flux does not pass through the permanent magnets, which can generate large Excellent axial and radial suspension force, low power consumption, and simple control.
附图说明Description of drawings
图1为本实用新型集成化的五自由度磁悬浮电主轴结构示意图；Fig. 1 is a structural schematic diagram of the integrated five-degree-of-freedom magnetic levitation electric spindle of the utility model;
图2为本实用新型集成化的五自由度磁悬浮电主轴磁路示意图。Fig. 2 is a schematic diagram of the magnetic circuit of the integrated five-degree-of-freedom magnetic levitation electric spindle of the utility model.
具体实施方式detailed description
本实用新型基于的原理是：由轴向磁化的左侧环形永磁体2给左侧径向磁轴承铁芯1提供左侧偏置磁通20，左侧径向磁轴承悬浮控制绕组9产生的左侧控制磁通28起调节作用；轴向磁化的左侧环形永磁体2给左侧轴向控制铁芯3提供左侧轴向偏置磁通21和22，轴向控制绕组14产生的左侧轴向控制磁通23起调节作用；轴向磁化的右侧环形永磁体6给右侧电机提供右侧偏置磁通24，右侧电机径向悬浮控制绕组10产生的右侧控制磁通29起调节作用；轴向磁化的右侧环形永磁体6给右侧轴向控制铁芯5提供右侧轴向偏置磁通25和26，轴向控制绕组14产生的右侧轴向控制磁通27起调节作用；通过五个自由度上的位移闭环控制，实现转子铁芯8在径向和轴向五自由度上稳定悬浮，电机的转矩绕组11产生的磁通与相对应的转子永磁体19的永磁磁通相互作用产生旋转转矩；隔磁铝环4将左、右侧的偏置磁通相互隔开，减小漏磁，保证磁路的正确性。The utility model is based on the principle that the axially magnetized left annular permanent magnet 2 provides the left bias magnetic flux 20 to the left radial magnetic bearing core 1, and the left radial magnetic bearing levitation control winding 9 produces The left side control magnetic flux 28 plays a regulating role; the axially magnetized left annular permanent magnet 2 provides the left side axial bias magnetic flux 21 and 22 to the left side axial control iron core 3, and the left side produced by the axial control winding 14 The side axial control flux 23 plays a regulating role; the axially magnetized right annular permanent magnet 6 provides the right bias flux 24 to the right motor, and the right control flux produced by the radial suspension control winding 10 of the right motor 29 plays a regulating role; the axially magnetized right annular permanent magnet 6 provides the right axial bias magnetic flux 25 and 26 to the right axial control iron core 5, and the right axial control magnetic flux produced by the axial control winding 14 Pass 27 plays the role of adjustment; through the closed-loop control of displacement on five degrees of freedom, the rotor core 8 can be stably suspended in five degrees of freedom in the radial and axial directions, and the magnetic flux generated by the torque winding 11 of the motor and the corresponding rotor The permanent magnetic fluxes of the permanent magnets 19 interact to generate rotational torque; the magnetic isolation aluminum ring 4 separates the left and right bias fluxes from each other to reduce magnetic flux leakage and ensure the correctness of the magnetic circuit.
如图1、2所示，实用新型五自由度磁悬浮电主轴，由定子和转子组成，定子包括：左侧径向磁轴承铁芯1、左侧环形永磁体2、左侧轴向控制铁芯3、隔磁铝环4、右侧轴向控制铁芯5、右侧环形永磁体6、右侧电机铁芯7；转子铁芯8包括轴向部分和径向部分，在其右侧电机铁芯7对应位置的转子铁芯8表面贴有转子永磁体19。As shown in Figures 1 and 2, the utility model five-degree-of-freedom magnetic levitation electric spindle is composed of a stator and a rotor. The stator includes: left radial magnetic bearing core 1, left annular permanent magnet 2, and left axial control core 3. Magnetic isolation aluminum ring 4, right axial control iron core 5, right annular permanent magnet 6, right motor iron core 7; rotor iron core 8 includes axial part and radial part, and the motor iron core on its right side A rotor permanent magnet 19 is pasted on the surface of the rotor core 8 corresponding to the position of the core 7 .
左侧径向磁轴承铁芯1可做成三极、四极、八极等结构，在其定子齿上绕制径向悬浮控制绕组9，右侧电机铁芯7做成电机定子槽型结构，槽分两层，外层嵌入悬浮控制绕组10，内层嵌入转矩绕组11，悬浮控制绕组10分成X方向和Y方向控制绕组，X方向控制绕组由绕组X1、X2、X3、X4、X5、X6、X7、X8、X9、X10、X11、X12串联而成，通电形成两极磁场，Y方向控制绕组由绕组Y1、Y2、Y3、Y4、Y5、Y6、Y7、Y8、Y9、Y10、Y11、Y12串联而成，通电形成两极磁场；转矩绕组11通电形成的磁场极对数与转子永磁体磁场极对数相同，按照常规电机绕组绕制即可，且转矩绕组磁场极对数需大于等于3。The radial magnetic bearing core 1 on the left can be made into three-pole, four-pole, eight-pole structures, etc., and the radial suspension control winding 9 is wound on the stator teeth, and the right motor core 7 is made into a motor stator groove structure , the slot is divided into two layers, the outer layer is embedded with suspension control winding 10, the inner layer is embedded with torque winding 11, the suspension control winding 10 is divided into X direction and Y direction control winding, and the X direction control winding is composed of windings X1, X2, X3, X4, X5 , X6, X7, X8, X9, X10, X11, X12 are connected in series, electrified to form a bipolar magnetic field, and the Y direction control winding is composed of windings Y1, Y2, Y3, Y4, Y5, Y6, Y7, Y8, Y9, Y10, Y11 , Y12 in series, electrified to form a bipolar magnetic field; the number of pole pairs of the magnetic field formed by the torque winding 11 is the same as the number of pole pairs of the rotor permanent magnet field, it can be wound according to the conventional motor winding, and the number of pole pairs of the torque winding magnetic field needs to be Greater than or equal to 3.
左侧轴向控制铁芯3做成E型结构，中间为控制圆盘13，上、下位置是吸力圆盘12和15，右侧轴向控制铁芯5也做成E型结构，中间为控制圆盘17，上、下位置是吸力圆盘16和18，在吸力圆盘12、15、16、18和控制圆盘13、17之间嵌入轴向控制绕组14，轴向控制绕组14由如图1所示的四个绕组相互串联而成；控制圆盘13、17与转子铁芯8的径向部分之间的气隙长度大于吸力圆盘12、15、16、18与转子铁芯8的径向部分之间的气隙长度，且吸力圆盘12、15、16、18与转子铁芯8的径向部分之间的气隙长度小于左、右侧轴向控制铁芯3和5与转子铁芯8的轴向部分之间的气隙长度。The left axial control iron core 3 is made into an E-shaped structure, the middle is a control disc 13, the upper and lower positions are the suction discs 12 and 15, and the right axial control iron core 5 is also made into an E-shaped structure, and the middle is a The control disc 17, the upper and lower positions are the suction discs 16 and 18, and the axial control winding 14 is embedded between the suction discs 12, 15, 16, 18 and the control discs 13, 17, and the axial control winding 14 is composed of Four windings are connected in series as shown in Figure 1; the air gap length between the control discs 13, 17 and the radial part of the rotor core 8 is greater than that of the suction discs 12, 15, 16, 18 and the rotor core 8, and the air gap length between the suction discs 12, 15, 16, 18 and the radial part of the rotor core 8 is smaller than the left and right axial control cores 3 and 5 and the length of the air gap between the axial part of the rotor core 8.
左侧环形永磁体2安装在左侧径向磁轴承铁芯1和左侧轴向控制铁芯3之间；隔磁铝环4安装在左侧轴向控制铁芯3和右侧轴向控制铁芯5之间；右侧环形永磁体6安装在右侧轴向控制铁芯5和右侧电机铁芯7之间。左侧径向磁轴承铁芯1、左侧轴向控制铁芯3、右侧轴向控制铁芯5、右侧电机铁芯7和共同转子8由轴向和径向导磁性能良好的材料制成，集成化五自由度磁悬浮电主轴是由以上各部分沿着轴向叠装而成，上述的集成化五自由度磁悬浮电主轴可实现转子稳定悬浮与旋转。The left annular permanent magnet 2 is installed between the left radial magnetic bearing core 1 and the left axial control core 3; the magnetic isolation aluminum ring 4 is installed between the left axial control core 3 and the right axial control core between the iron cores 5; the right annular permanent magnet 6 is installed between the right axial control iron core 5 and the right motor iron core 7. The left radial magnetic bearing core 1, the left axial control core 3, the right axial control core 5, the right motor core 7 and the common rotor 8 are made of materials with good axial and radial magnetic permeability The integrated five-degree-of-freedom magnetic levitation electric spindle is formed by stacking the above parts along the axial direction. The above-mentioned integrated five-degree-of-freedom magnetic levitation electric spindle can realize the stable suspension and rotation of the rotor.
本实用新型方案所公开的技术手段不仅限于上述实施方式所公开的技术手段，还包括由以上技术特征任意组合所组成的技术方案。应当指出，对于本技术领域的普通技术人员来说，在不脱离本实用新型原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本实用新型的保护范围。The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that those skilled in the art can make some improvements and modifications without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864293A (en) * | 2016-06-08 | 2016-08-17 | 淮阴工学院 | Integrated five-degree-of-freedom magnetic levitation motorized spindle |
| CN107191484A (en) * | 2017-04-27 | 2017-09-22 | 江苏大学 | A kind of design method of the three freedom degree mixed magnetic bearing of radial direction sextupole |
| CN109359318A (en) * | 2018-08-16 | 2019-02-19 | 东南大学 | Dynamic Design Method of 5-DOF Coupling Rigid Rotor System for Air-Bearing Motor Spindle |
| CN117588493A (en) * | 2024-01-19 | 2024-02-23 | 山东天瑞重工有限公司 | Radial-axial integrated magnetic suspension bearing and magnetic suspension motor for air compressor |
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2016
- 2016-06-08 CN CN201620548231.0U patent/CN205663760U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864293A (en) * | 2016-06-08 | 2016-08-17 | 淮阴工学院 | Integrated five-degree-of-freedom magnetic levitation motorized spindle |
| CN107191484A (en) * | 2017-04-27 | 2017-09-22 | 江苏大学 | A kind of design method of the three freedom degree mixed magnetic bearing of radial direction sextupole |
| CN109359318A (en) * | 2018-08-16 | 2019-02-19 | 东南大学 | Dynamic Design Method of 5-DOF Coupling Rigid Rotor System for Air-Bearing Motor Spindle |
| CN117588493A (en) * | 2024-01-19 | 2024-02-23 | 山东天瑞重工有限公司 | Radial-axial integrated magnetic suspension bearing and magnetic suspension motor for air compressor |
| CN117588493B (en) * | 2024-01-19 | 2024-04-16 | 山东天瑞重工有限公司 | Radial-axial integrated magnetic suspension bearing and magnetic suspension motor for air compressor |
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