CN117969298A - A high temperature magnetic levitation suspension guide test device and method - Google Patents
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- 239000000725 suspension Substances 0.000 title claims abstract description 35
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
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Abstract
本发明涉及一种高温磁浮的悬浮导向测试装置及方法，包括基座、直线横移模组、拉力试验机和杜瓦固定装置；永磁轨道连接在直线横移模组上，直线横移模组带动永磁轨道移动；拉力试验机包括垂直支架、垂直移动横梁和垂直驱动电机，所述垂直支架固定在基座的顶部，垂直移动横梁连接于垂直支架上并由垂直驱动电机带动在竖向移动；垂直移动横梁底部通过杜瓦固定装置与低温杜瓦连接，低温杜瓦通过隔热板连接拉力传感器，拉力传感器通过传感器固定件固定在杜瓦固定装置一侧，并与上位机电连接；垂直驱动电机控制垂直移动横梁的垂直运动，以控制低温杜瓦的悬浮间隙Gap。本发明能有效测试低温杜瓦在永磁轨道时不同位置所受的悬浮力、导向力。
The present invention relates to a suspension guide test device and method for high temperature magnetic levitation, comprising a base, a linear lateral movement module, a tensile testing machine and a dewar fixture; a permanent magnetic track is connected to the linear lateral movement module, and the linear lateral movement module drives the permanent magnetic track to move; the tensile testing machine comprises a vertical bracket, a vertical moving beam and a vertical driving motor, wherein the vertical bracket is fixed to the top of the base, the vertical moving beam is connected to the vertical bracket and driven by the vertical driving motor to move vertically; the bottom of the vertical moving beam is connected to a low temperature dewar through a dewar fixture, the low temperature dewar is connected to a tensile sensor through a heat insulation board, the tensile sensor is fixed to one side of the dewar fixture through a sensor fixture, and is electrically connected to an upper machine; the vertical driving motor controls the vertical movement of the vertical moving beam to control the suspension gap Gap of the low temperature dewar. The present invention can effectively test the suspension force and guiding force of the low temperature dewar at different positions when it is on the permanent magnetic track.
Description
技术领域Technical Field
本发明涉及温超导磁浮技术领域，具体涉及一种高温磁浮的悬浮导向测试装置及方法。The invention relates to the technical field of warm superconducting magnetic levitation, and in particular to a suspension guide testing device and method for high-temperature magnetic levitation.
背景技术Background technique
高温超导磁浮系统具有自稳定的悬浮、导向能力，具有结构简单、无需电力维持、节能、环保等优点。在地面超高速交通运输、电磁发射等领域具有广阔的应用前景。The high-temperature superconducting maglev system has the ability of self-stabilizing suspension and guidance, and has the advantages of simple structure, no need for power maintenance, energy saving, and environmental protection. It has broad application prospects in the fields of ground ultra-high-speed transportation, electromagnetic launch, etc.
由于高温超导磁浮系统的悬浮、导向性能有限，且在永磁轨道的不同位置，永磁轨道磁场强度分布的不同，所表现出的悬浮、导向性能亦有所差异。目前大部分设备只能对悬浮力、导向力其中的一种进行测试，虽然存在一部分传感器可以同时对多个方向的受力情况进行测量，但价格昂贵。Due to the limited suspension and guidance performance of the high-temperature superconducting maglev system, and the different distribution of magnetic field strength of the permanent magnetic track at different positions, the suspension and guidance performance are also different. At present, most equipment can only test one of the suspension force and the guidance force. Although some sensors can measure the force in multiple directions at the same time, they are expensive.
为了研究低温杜瓦在永磁轨道不同位置处的悬浮力、导向力特性，本发明提供了一种高温超导磁浮系统的悬浮导向测试装置及方法，通过拉力试验机与直线横移模组控制低温杜瓦与永磁轨道之间的相对位置，通过拉力传感器测量低温杜瓦通过永磁轨道不同位置处的悬浮力、导向力的动态特性。In order to study the suspension force and guiding force characteristics of the cryogenic Dewar at different positions of the permanent magnet track, the present invention provides a suspension and guiding test device and method for a high-temperature superconducting magnetic levitation system, wherein the relative position between the cryogenic Dewar and the permanent magnet track is controlled by a tensile testing machine and a linear lateral movement module, and the dynamic characteristics of the suspension force and guiding force of the cryogenic Dewar at different positions of the permanent magnet track are measured by a tensile sensor.
发明内容Summary of the invention
本发明的目的在于克服现有技术的不足，提供一种高温磁浮的悬浮导向测试装置及方法，能有效测试低温杜瓦在永磁轨道时不同位置所受的悬浮力、导向力。The purpose of the present invention is to overcome the shortcomings of the prior art and provide a high-temperature magnetic levitation suspension and guidance test device and method, which can effectively test the suspension force and guidance force exerted on the low-temperature Dewar at different positions on the permanent magnet track.
为实现上述目的，本发明采用以下技术方案：To achieve the above object, the present invention adopts the following technical solutions:
一种高温磁浮的悬浮导向测试装置，包括基座、直线横移模组、拉力试验机和杜瓦固定装置；A high-temperature magnetic levitation suspension guide test device, comprising a base, a linear traverse module, a tensile testing machine and a dewar fixing device;
所述直线横移模组设于基座上，永磁轨道连接在直线横移模组上，直线横移模组带动永磁轨道移动；The linear transverse movement module is arranged on the base, the permanent magnetic track is connected to the linear transverse movement module, and the linear transverse movement module drives the permanent magnetic track to move;
所述拉力试验机包括垂直支架、垂直移动横梁和垂直驱动电机，所述垂直支架固定在基座的顶部，垂直移动横梁连接于垂直支架上并由垂直驱动电机带动在竖向移动；The tensile testing machine comprises a vertical support, a vertical movable beam and a vertical driving motor, wherein the vertical support is fixed on the top of the base, and the vertical movable beam is connected to the vertical support and driven by the vertical driving motor to move vertically;
所述垂直移动横梁底部通过杜瓦固定装置与低温杜瓦连接，低温杜瓦通过隔热板连接拉力传感器，拉力传感器通过传感器固定件固定在杜瓦固定装置一侧，并与上位机电连接；所述垂直驱动电机控制垂直移动横梁的垂直运动，以控制低温杜瓦的悬浮间隙Gap；The bottom of the vertical moving beam is connected to the low-temperature Dewar through a Dewar fixture, the low-temperature Dewar is connected to a tension sensor through a heat insulation plate, the tension sensor is fixed to one side of the Dewar fixture through a sensor fixture, and is electrically connected to the upper machine; the vertical drive motor controls the vertical movement of the vertical moving beam to control the suspension gap Gap of the low-temperature Dewar;
由拉力试验机与直线横移模组改变低温杜瓦与永磁轨道之间的相对位置，并通过拉力传感器测得低温杜瓦通过永磁轨道不同位置处的悬浮力、导向力的动态特性。The relative position between the cryogenic dewar and the permanent magnet track is changed by a tensile testing machine and a linear lateral movement module, and the dynamic characteristics of the suspension force and the guiding force of the cryogenic dewar at different positions of the permanent magnet track are measured by a tensile sensor.
进一步的，所述直线横移模组包括直线电机和由直线电机驱动的丝杆伺服系统，所述永磁轨道通过永磁轨道基底固定丝杆伺服系统的滑座顶部。Furthermore, the linear traverse module includes a linear motor and a screw servo system driven by the linear motor, and the permanent magnetic track fixes the top of the slide seat of the screw servo system through the permanent magnetic track base.
进一步的，所述直线电机通过电机固定件连接在水平板上，所述电机固定件一端与水平板固定连接，电机固定件的另外一端与直线电机侧部固定连接。Furthermore, the linear motor is connected to the horizontal plate via a motor fixing member, one end of the motor fixing member is fixedly connected to the horizontal plate, and the other end of the motor fixing member is fixedly connected to the side of the linear motor.
进一步的，所述永磁轨道是采用永磁体沿横向按Halbach阵列结构进行排列。Furthermore, the permanent magnet track is formed by arranging permanent magnets in a Halbach array structure in the transverse direction.
进一步的，所述低温杜瓦的两个受力侧壁分别用环氧树脂进行加固，预防受力过大，对低温杜瓦造成损伤。Furthermore, the two stress-bearing side walls of the low-temperature dewar are reinforced with epoxy resin to prevent excessive stress from causing damage to the low-temperature dewar.
进一步的，所述杜瓦固定装置包括法兰接口、法兰连接板，法兰接口将法兰连接板固定在垂直移动横梁的下方，法兰连接板的下方固定有四个光轴支撑座，横向的两个光轴支撑座之间分别固定有一根光轴导轨，每根光轴导轨之间均滑动连接有两个光轴轴承，各光轴轴承分别固定在低温杜瓦的顶部。Furthermore, the Dewar fixing device includes a flange interface and a flange connecting plate. The flange interface fixes the flange connecting plate below the vertical moving beam. Four optical axis support seats are fixed below the flange connecting plate. An optical axis guide rail is fixed between each of the two horizontal optical axis support seats. Two optical axis bearings are slidably connected between each optical axis guide rail, and each optical axis bearing is fixed on the top of the low-temperature Dewar.
本发明一种高温超导磁浮系统的悬浮导向测试装置的测试方法，包括以下步骤：The present invention provides a method for testing a suspension guide testing device of a high temperature superconducting magnetic levitation system, comprising the following steps:
S1：将高温超导材料按预设的排列设置在低温杜瓦底部，并通过压板锁紧，控制直线横移模组，控制永磁轨道与低温杜瓦的相对位置；S1: Arrange the high-temperature superconducting material at the bottom of the cryogenic Dewar according to the preset arrangement, and lock it through the pressure plate to control the linear traverse module and the relative position of the permanent magnet track and the cryogenic Dewar;
S2：通过垂直驱动电机调整垂直移动横梁的高度，按预设的场冷高度固定低温杜瓦的垂直高度；S2: The height of the vertical moving beam is adjusted by the vertical driving motor, and the vertical height of the low temperature Dewar is fixed according to the preset field cooling height;
S3：向低温杜瓦内注入液氮，确保高温超导材料完全浸泡在液氮中，对高温超导材料进行场冷；S3: Inject liquid nitrogen into the low-temperature Dewar to ensure that the high-temperature superconducting material is completely immersed in the liquid nitrogen and perform field cooling on the high-temperature superconducting material;
S4：等到高温超导材料完全进行入超导态，开启拉力试验机，拉力试验机按照预设程序控制垂直移动横梁运动，进一步带动杜瓦运动；S4: Wait until the high-temperature superconducting material completely enters the superconducting state, and then start the tensile testing machine, which controls the vertical moving beam to move according to the preset program, and further drives the Dewar movement;
S5：杜瓦运动过程中，上位机采集杜瓦的位移数据与拉力传感器采集到的悬浮力、导向力数据；S5: During the movement of the dewar, the host computer collects the displacement data of the dewar and the suspension force and guide force data collected by the tension sensor;
S6：实验结束完成后，对采集的数据进行数据保存处理。S6: After the experiment is completed, the collected data is saved.
采用上述的技术方案，本发明具有的有益效果为：低温杜瓦固定在光轴轴承上，并通过隔热板与拉力传感器连接，通过拉力传感器测量低温杜瓦在永磁轨道不同位置的悬浮力与导向力；对低温杜瓦的两个侧壁进行加固，提高测量过程中的安全性；隔热板为耐低温的绝热材料，以免长时间的测试导致拉力传感器受低温的影响，且组件之间的摩擦系数小，有效保证了测试精度。By adopting the above technical scheme, the present invention has the following beneficial effects: the low-temperature Dewar is fixed on the optical axis bearing and connected to the tension sensor through the insulation board, and the suspension force and guiding force of the low-temperature Dewar at different positions of the permanent magnet track are measured by the tension sensor; the two side walls of the low-temperature Dewar are reinforced to improve the safety during the measurement process; the insulation board is a low-temperature resistant insulating material to prevent the tension sensor from being affected by the low temperature due to long-term testing, and the friction coefficient between the components is small, which effectively ensures the test accuracy.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
以下结合附图和具体实施方式对本发明做进一步详细说明：The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:
图1为本发明的横向示意图；FIG1 is a horizontal schematic diagram of the present invention;
图2为杜瓦固定装置与低温杜瓦连接结构的正视图；FIG2 is a front view of the connection structure between the Dewar fixture and the cryogenic Dewar;
图3为测量过程的示意图。FIG3 is a schematic diagram of the measurement process.
实施方式Implementation
如图1-3所示，本发明一种高温磁浮的悬浮导向测试装置，包括基座3、直线横移模组1、拉力试验机2和杜瓦固定装置205。As shown in FIGS. 1-3 , a high-temperature magnetic levitation suspension guide test device of the present invention includes a base 3 , a linear lateral movement module 1 , a tensile testing machine 2 and a Dewar fixing device 205 .
直线横移模组1设于基座3上，永磁轨道102连接在直线横移模组1上，直线横移模组1带动永磁轨道102移动。The linear transverse movement module 1 is arranged on the base 3 , the permanent magnetic track 102 is connected to the linear transverse movement module 1 , and the linear transverse movement module 1 drives the permanent magnetic track 102 to move.
拉力试验机2包括垂直支架201、垂直移动横梁202和垂直驱动电机203，垂直支架201固定在基座3的顶部，垂直移动横梁202连接于垂直支架201上并由垂直驱动电机203带动在竖向移动；The tensile testing machine 2 includes a vertical support 201, a vertical movable beam 202 and a vertical driving motor 203. The vertical support 201 is fixed on the top of the base 3. The vertical movable beam 202 is connected to the vertical support 201 and is driven by the vertical driving motor 203 to move vertically.
垂直移动横梁202底部通过杜瓦固定装置205与低温杜瓦206连接，低温杜瓦206通过隔热板407连接拉力传感器404，拉力传感器404通过传感器固定件405固定在杜瓦固定装置205一侧，并与上位机电连接；垂直驱动电机203控制垂直移动横梁202的垂直运动，以控制低温杜瓦206的悬浮间隙Gap；其中，隔热板407为耐低温的绝热材料，以免长时间的测试导致拉力传感器404受低温的影响，且组件之间的摩擦系数小，有效保证了测试精度。The bottom of the vertical moving beam 202 is connected to the low-temperature Dewar 206 through the Dewar fixture 205, the low-temperature Dewar 206 is connected to the tension sensor 404 through the insulation board 407, the tension sensor 404 is fixed to one side of the Dewar fixture 205 through the sensor fixture 405, and is electrically connected to the upper machine; the vertical drive motor 203 controls the vertical movement of the vertical moving beam 202 to control the suspension gap Gap of the low-temperature Dewar 206; wherein, the insulation board 407 is a low-temperature resistant insulating material to prevent the tension sensor 404 from being affected by the low temperature due to long-term testing, and the friction coefficient between the components is small, which effectively ensures the test accuracy.
由拉力试验机2与直线横移模组1改变低温杜瓦206与永磁轨道102之间的相对位置，并通过拉力传感器404测得低温杜瓦206通过永磁轨道102不同位置处的悬浮力、导向力的动态特性。The relative position between the cryogenic dewar 206 and the permanent magnet track 102 is changed by the tensile testing machine 2 and the linear lateral movement module 1, and the dynamic characteristics of the suspension force and the guiding force of the cryogenic dewar 206 at different positions of the permanent magnet track 102 are measured by the tensile sensor 404.
直线横移模组1包括直线电机104和由直线电机104驱动的丝杆伺服系统，永磁轨道102通过永磁轨道基底102固定丝杆伺服系统的滑座顶部。直线电机104通过电机固定件103连接在水平板105上，电机固定件103一端与水平板105固定连接，电机固定件103的另外一端与直线电机104侧部固定连接。The linear traverse module 1 includes a linear motor 104 and a screw servo system driven by the linear motor 104. The permanent magnetic track 102 fixes the top of the slide of the screw servo system through the permanent magnetic track base 102. The linear motor 104 is connected to the horizontal plate 105 through the motor fixing member 103. One end of the motor fixing member 103 is fixedly connected to the horizontal plate 105, and the other end of the motor fixing member 103 is fixedly connected to the side of the linear motor 104.
永磁轨道102是采用永磁体沿横向按Halbach阵列结构进行排列。The permanent magnet track 102 is formed by arranging permanent magnets in a Halbach array structure in the transverse direction.
低温杜瓦206的两个受力侧壁分别用环氧树脂进行加固，预防受力过大，对低温杜瓦206造成损伤。The two stress-bearing side walls of the cryogenic Dewar 206 are reinforced with epoxy resin respectively to prevent excessive stress from causing damage to the cryogenic Dewar 206 .
杜瓦固定装置205包括法兰接口207、法兰连接板401，法兰接口207将法兰连接板401固定在垂直移动横梁202的下方，法兰连接板401的下方固定有四个光轴支撑座406，横向的两个光轴支撑座406之间分别固定有一根光轴导轨402，每根光轴导轨402之间均滑动连接有两个光轴轴承403，各光轴轴承403分别固定在低温杜瓦206的顶部，实现固定不同大小的低温杜瓦206。The Dewar fixing device 205 includes a flange interface 207 and a flange connecting plate 401. The flange interface 207 fixes the flange connecting plate 401 below the vertical moving beam 202. Four optical axis support seats 406 are fixed below the flange connecting plate 401. An optical axis guide rail 402 is fixed between each of the two horizontal optical axis support seats 406. Two optical axis bearings 403 are slidably connected between each optical axis guide rail 402. Each optical axis bearing 403 is fixed on the top of the low-temperature Dewar 206 to fix low-temperature Dewars 206 of different sizes.
如图3所示，一种高温超导磁浮系统的悬浮导向测试装置的测试方法，包括以下步骤：As shown in FIG3 , a method for testing a suspension guide test device of a high temperature superconducting maglev system includes the following steps:
S1：将高温超导材料208按预设的排列设置在低温杜瓦206底部，并通过压板锁紧，控制直线横移模组1，控制永磁轨道102与低温杜瓦206的相对位置；S1: The high-temperature superconducting material 208 is arranged at the bottom of the low-temperature dewar 206 according to a preset arrangement, and is locked by a pressure plate to control the linear lateral movement module 1 and the relative position of the permanent magnet track 102 and the low-temperature dewar 206;
S2：通过垂直驱动电机203调整垂直移动横梁202的高度，按预设的场冷高度固定低温杜瓦206的垂直高度；S2: adjusting the height of the vertical moving beam 202 by the vertical driving motor 203, and fixing the vertical height of the low temperature Dewar 206 according to the preset field cooling height;
S3：向低温杜瓦206内注入液氮，确保高温超导材料208完全浸泡在液氮中，对高温超导材料208进行场冷；S3: injecting liquid nitrogen into the low-temperature Dewar 206 to ensure that the high-temperature superconducting material 208 is completely immersed in the liquid nitrogen, and performing field cooling on the high-temperature superconducting material 208;
S4：等到高温超导材料208完全进行入超导态，开启拉力试验机2，拉力试验机2按照预设程序控制垂直移动横梁202运动，进一步带动杜瓦运动；S4: Wait until the high temperature superconducting material 208 completely enters the superconducting state, start the tensile testing machine 2, and the tensile testing machine 2 controls the vertical moving beam 202 to move according to the preset program, further driving the Dewar movement;
S5：杜瓦运动过程中，上位机采集杜瓦的位移数据与拉力传感器404采集到的悬浮力、导向力数据；S5: During the movement of the dewar, the upper computer collects the displacement data of the dewar and the suspension force and guide force data collected by the tension sensor 404;
S6：实验结束完成后，对采集的数据进行数据保存处理。S6: After the experiment is completed, the collected data is saved.
以上描述了本发明的具体实施方式，但是本领域的技术人员应当理解，这仅是举例说明，本领域的技术人员在不背离本发明的原理和实质的前提下，可以对此实施方式做出多种变更或修改，但这些变更和修改均落入本发明的保护范围。The above describes a specific embodiment of the present invention, but those skilled in the art should understand that this is only an example. Those skilled in the art can make various changes or modifications to this embodiment without departing from the principle and essence of the present invention, but these changes and modifications will fall within the scope of protection of the present invention.
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