WO2021143251A1 - 万向移动平台 - Google Patents
万向移动平台 Download PDFInfo
- Publication number
- WO2021143251A1 WO2021143251A1 PCT/CN2020/123484 CN2020123484W WO2021143251A1 WO 2021143251 A1 WO2021143251 A1 WO 2021143251A1 CN 2020123484 W CN2020123484 W CN 2020123484W WO 2021143251 A1 WO2021143251 A1 WO 2021143251A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wheel
- driving
- flexible member
- drive
- annular
- Prior art date
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000007704 transition Effects 0.000 claims description 10
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
Definitions
- This patent relates to a mobile platform, specifically, a universal mobile platform that can move arbitrarily in X and Y directions.
- a conventional flat platform can only move in one direction, such as a treadmill, where the belt on its running can only move in one direction and cannot move in multiple directions.
- the driving part is a raised point, not a plane, and cannot be applied to occasions that require plane movement.
- Others use passive sliding, which cannot meet the needs of active drive movement.
- the purpose of this patent is to provide a universal mobile platform that can move arbitrarily in two mutually perpendicular directions.
- the universal mobile platform described in this patent has a bracket.
- the bracket is provided with a first driving mechanism for driving the first driving wheel to rotate and a second driving mechanism for driving the second driving wheel to rotate.
- the second ring-shaped flexible member bypasses the second drive wheel that drives it to rotate,
- the moving components include a third ring-shaped flexible member, a frame, an input wheel, an output wheel, and a transmission direction changing mechanism that transmits power from the input wheel to the output wheel; the transmission direction changing mechanism is arranged at On the rack
- Each frame is fixed on the first ring-shaped flexible member, and each input wheel is engaged with the surface of the second ring-shaped flexible member;
- the first driving mechanism acts, and the first ring-shaped flexible member and the moving components are driven to move within the ring surface of the first ring-shaped flexible member through the first driving wheel;
- the second driving mechanism acts to drive the second annular flexible member to move in a plane parallel to the annular surface of the first annular flexible member through the second driving wheel;
- each input wheel drives each output wheel to rotate through the transmission direction changing mechanism, and each output wheel drives the third annular flexible member to move within the annular surface of the third annular flexible member;
- the annular surface of the third annular flexible member is perpendicular to the annular surface of the first annular flexible member.
- the first driving mechanism acts, and the first ring-shaped flexible member and the moving components are driven to move within the ring surface of the first ring-shaped flexible member through the first driving wheel.
- the first ring-shaped flexible member is a component of the moving components.
- the three-ring-shaped flexible member moves in the annular surface of the first annular flexible member; at the same time, the input wheel, which is a component of the moving assembly, also moves (ie translates) in the annular surface of the first annular flexible member along with the moving assembly.
- the input wheel does not necessarily rotate around the axis of the input wheel. Whether the input wheel rotates depends on the translation speed and direction of the input wheel relative to the second annular flexible member.
- the speed and direction of the in-plane movement (ie translation) of the second annular flexible member parallel to the annular surface of the first annular flexible member is controlled by the second driving mechanism.
- the second driving mechanism does not move, the second driving wheel does not rotate, and the second ring-shaped flexible member does not translate.
- the second driving mechanism acts the second ring-shaped flexible member is driven to move (translate) in a plane parallel to the ring-shaped surface of the first ring-shaped flexible member through the second driving wheel.
- the second ring-shaped flexible member is driven by the second drive mechanism in the same translation speed and direction as the input wheel, the input wheel will not rotate, the output wheel will not rotate, and the third ring-shaped flexible member will not be relative to the frame. move. If the second ring-shaped flexible member is driven by the second drive mechanism and the input wheel translates at a different speed or direction, the input wheel rotates, the output wheel rotates, and the output wheel drives the third ring-shaped flexible member relative to the frame The three-ring-shaped flexible member moves in the ring plane.
- the first driving mechanism does not act and the second driving mechanism acts
- the first driving wheel does not move
- the first annular flexible member and the moving components will not move in the annular surface of the first annular flexible member
- the third annular flexible member is absent
- the first annular flexible member moves in the annular surface
- the input wheel does not move in the annular surface of the first annular flexible member.
- the second drive mechanism drives the second annular flexible member to translate through the second drive wheel
- the input wheel engaged with the second annular flexible member rotates around the axis of the input wheel
- the output wheel also drives the third annular flexible member in the first
- the three-ring-shaped flexible member moves in the ring-shaped surface.
- the second driving mechanism drives the second driving mechanism through the second driving wheel.
- the two annular flexible members move (translate) in a plane parallel to the annular surface of the first annular flexible member. If the second driving mechanism controls the translation speed and direction of the second annular flexible member to be the same as the translation speed and direction of the input wheel, the input wheel will not rotate and the third annular flexible member will not be in the annular surface of the third annular flexible member Movement, that is, at this time, the third annular flexible member only moves (translates) within the annular surface of the first annular flexible member.
- the input wheel will rotate and the third annular flexible member will simultaneously align in the annular surface of the first annular flexible member.
- the third annular flexible member moves in the annular plane.
- each input wheel is engaged with the outer surface of the second annular flexible member.
- the input wheel and the second annular flexible member are respectively an input gear and a second toothed belt that mesh with each other, and the input gear transmits power to the output wheel through a bevel gear transmission changing mechanism.
- the change of the direction of motion is easily realized by the bevel gear transmission changing mechanism, so that the power between the input wheel and the output wheel whose axes are perpendicular to each other is transmitted, and the power direction is changed.
- the moving assembly further includes at least one guide wheel rotatably arranged on the frame, and the third ring-shaped flexible member surrounds the guide wheel. This structure facilitates the engagement of the input wheel and the second annular flexible member.
- the first drive wheel is fixed on the first drive wheel shaft, the first drive wheel shaft is rotatably arranged on the bracket, and the first drive wheel shaft and the first drive including the first drive motor
- the output shaft of the first drive motor in the mechanism is connected.
- the second drive wheel is sleeved on the first drive wheel shaft in the circumferential direction and is axially connected to the transition wheel; the transition wheel is connected to the output shaft of the second drive motor in the second drive mechanism including the second drive motor. In this way, the second drive motor can drive the transition wheel and the second drive wheel to rotate around the first drive wheel shaft.
- the structure is simple and compact, and at the same time, the motor (first driving motor, second driving motor) that is convenient for controlling and adjusting the speed is used as the driving mechanism, and it is easier to control the direction and speed of the third ring-shaped flexible member in the vertical movement.
- the second drive wheel is arranged on the second drive wheel shaft, the second drive wheel shaft is rotatably arranged on the bracket, and the second drive wheel shaft is connected to the second drive including the second drive motor.
- the output shaft of the second driving motor in the mechanism is connected, and the second driving motor acts to drive the second driving wheel to rotate through the second driving wheel shaft.
- the second drive mechanism and the first drive mechanism are independent of each other.
- first drive wheels and first drive mechanisms that drive the first drive wheels to rotate, or, the second drive wheels and the second drive that drive the second drive wheels to rotate.
- institutions there are multiple institutions.
- Figure 1 is a front view of the universal mobile platform of embodiment 1;
- Figure 2 is a left side view of Figure 1;
- Figure 3 is a bottom view of the first driving wheel, moving components, etc. in Figure 2;
- Figure 4 is a perspective view of the universal moving platform of Embodiment 1 (deleting the second drive wheel, the second toothed belt, belt, etc.);
- Figure 5 is a perspective view of the moving assembly of Embodiment 1 (deleting the belt, the third guide wheel, etc.);
- Figure 6 is a structural diagram of the input wheel (input gear), the first bevel gear, the second bevel gear, the output wheel shaft, the output wheel, the input wheel shaft, etc.;
- Figure 7 is a structural diagram of an input wheel (input gear), a first guide wheel, an output wheel, etc.;
- Embodiment 8 is a top view of the universal mobile platform of Embodiment 1 of Embodiment 2;
- Figure 9 is a cross-sectional view of Figure 8 is A-A;
- Fig. 10 is a cross-sectional view taken along the line B-B in Fig. 8.
- Moving assembly 30 belt (third annular flexible member) 31, outer surface 311 of the belt, frame 32, input wheel (input gear) 33, first bevel gear 34, second bevel gear 35, output shaft 36, output wheel 37, input axle 38,
- the first guide wheel 41, the second guide wheel 42, the third guide wheel 43, and the bracket 100 are provided.
- Example 1 Universal mobile platform with the second drive wheel sleeved on the first drive wheel shaft
- the two first driving wheels 1 are fixed on the first driving wheel shaft 2, and the first driving wheel shaft 2 is rotatably arranged on the bracket 100.
- the first gear 3 is fixed at the end of the first driving wheel shaft, and the first gear 3 meshes with the gear on the output shaft of the first driving motor 4.
- the second driving wheel 11 is hollow on the first driving wheel shaft 2 in the circumferential direction, and is integrally connected with the transition wheel 18 in the axial direction.
- the transition wheel 18 meshes with a gear on the output shaft of the second drive motor 14.
- the bases of the first driving motor 4 and the second driving motor 14 are both fixed on the bracket 100.
- the two first toothed belts 5 respectively bypass the first driving wheel 1 and the first driven wheel 6 that drive them to rotate.
- the first driving wheel 1 and the first driven wheel 6 are in contact with the inner surface of the first toothed belt 5 Intermeshing external gears.
- the inner and outer surfaces of the second toothed belt 15 have teeth, and they bypass the second driving wheel 11 and the second driven wheel 16 that drive it to rotate.
- the second driving wheel 11 and the second driven wheel 16 are connected with the second tooth.
- the inner surface of the belt 15 meshes with an external gear.
- the driven shaft 7 is fixed on the bracket 100, and the first driven wheel 6 and the second driven wheel 16 are hollowed on the driven shaft 7.
- the moving assembly 30 includes a belt (third annular flexible member) 31, a frame 32, an input wheel (input gear) 33, an input wheel shaft 38, a first bevel gear 34, two second bevel gears 35, an output wheel shaft 36, and two The output wheel 37, the first guide wheel 41, the second guide wheel 42, and the third guide wheel 43.
- the ring surface of the third ring-shaped flexible member (belt) 31 is perpendicular to the ring surface of the first ring-shaped flexible member (the first toothed belt) 5, and the second ring-shaped flexible member (the second toothed belt) 15 is in the ring surface of the first ring-shaped flexible member (the second toothed belt).
- the annular surfaces of the flexible member (first toothed belt) 5 are parallel.
- the direction perpendicular to the axis of the first driving wheel 1 in the plane where the axis of the first driving wheel 1 and the axis of the first driven wheel 6 are located is taken as the X direction
- the direction parallel to the axis of the first driving wheel 1 is taken as the Y direction
- the flexible member can move simultaneously in the vertical X-direction and Y-direction.
- the two first toothed belts 5 are fixedly connected to the two first toothed belts 5 at both ends of each frame 32 in each moving component facing the inner side of the first toothed belt 5.
- the input wheel shaft 38 is rotatably arranged on the frame 32 through a bearing seat.
- the input wheel (input gear) 33 and the first bevel gear 34 are fixed at both ends, and the two second bevel gears 35 meshing with the first bevel gear 34 are fixed on the output
- the output axle 36 is rotatably arranged on the frame 32 through a bearing seat, and two output wheels 37 are arranged on the output axle 36.
- the belt 31 revolves around two first guide wheels 41 and second guide wheels 42 arranged at both ends of the frame.
- the output wheel 37 is close to the first guide wheel 41
- the third guide wheel 43 is close to the second guide wheel 42.
- the bevel gear transmission mechanism composed of the input wheel 33, the output wheel 37 and the input wheel shaft 38, the first bevel gear 34, the two second bevel gears 35, the output wheel shaft 36, etc. is located on the side of the belt 31 facing the second toothed belt 15 .
- the first guide wheel 41 and the second guide wheel 42 tension the belt from the inner circumference of the belt 31, and the output wheel 37 and the third guide wheel 43 tension the belt 31 from the outer circumference of the belt 31.
- the belt 31 between the first guide wheel 41 and the second guide wheel 42 away from the outer surface 311 of the second toothed belt 15 (or the first toothed belt 5) forms a moving surface.
- Each input wheel 33 is an external gear to mesh with the outer surface of the second toothed belt 15.
- the first driving motor 4 operates, and the first toothed belt 5 and the moving components including the belt 31 are driven to move in the X direction through the first driving wheel 1;
- the second driving motor 14 operates, and the second toothed belt 15 is driven to move in the X direction through the second driving wheel 11;
- each input wheel 33 translates relative to the second toothed belt 15
- each input wheel rotates, and each output wheel is driven to rotate through the bevel gear transmission direction changing mechanism, and each output wheel drives the belt 31 to move in the Y direction.
- the upper plane of the platform (the outer surface 311 of the belt 31) moves along the X direction, but does not move in the Y direction:
- the first drive motor 4 drives the first drive wheel 1 to rotate
- the first toothed belt 5 drives the moving assembly to move, so that the upper plane of the platform (the outer surface 311 of the belt 31) moves in the X direction
- the second drive motor 14 drives the second drive wheel 11 to also move the second toothed belt 15 in the same direction at the same linear speed as the first toothed belt 5.
- the translation speed and direction of the input wheel 33 in the moving assembly are related to The translation speed and direction of the second toothed belt 15 are the same, so the input wheel 33 is in a non-rotating state. Therefore, the belt 31 on the moving assembly is in a non-rotating state, and the plane on the platform only moves in the X direction;
- the first drive motor 4 drives the second drive wheel 11 to move the second toothed belt 15 in the X direction, At this time, the input wheel in the moving assembly engaged with the second toothed belt 15 rotates to drive the belt 31 on the moving assembly to move its upper plane in the Y direction;
- Embodiment 2 Universal mobile platform with independent second driving mechanism and first driving mechanism
- Embodiment 1 Referring to the universal mobile platform shown in Figures 8-10 (and refer to Figures 4-7), the main differences from Embodiment 1 are:
- the second driving wheel 11 is fixed on the second driving wheel shaft 12 (in the first embodiment, the second driving wheel 11 is sleeved on the first driving wheel shaft 2 in the circumferential direction, and is integrated with the transition wheel 18 in the axial direction.
- the transition wheel 18 meshes with the gear on the output shaft of the second drive motor 14
- the second drive wheel shaft 12 is rotatably arranged on the bracket 100
- the end of the second drive wheel shaft is fixed with the second gear 13 (in embodiment 1, no In the second embodiment, the second driving wheel shaft 12 and the second gear 13)
- the second gear 13 meshes with the gear on the output shaft of the second driving motor 14.
- the first driven wheel 6 is directly sleeved on the second driving wheel shaft 12 or is arranged on the second driving wheel shaft 12 through a bearing rotation.
- the wheel 16 is directly hollowed on the first driving wheel shaft 2 or is arranged on the first driving wheel shaft 2 through a bearing rotation (in Embodiment 1, the first driven wheel 6 and the second driven wheel 16 are both hollowed on the driven shaft 7 on).
- the other structure is similar to that of Embodiment 1, and will not be described again.
- the structural form of the ring-shaped flexible member (the first ring-shaped flexible member, the second ring-shaped flexible member, and the third ring-shaped flexible member) does not affect the protection scope of the present invention
- the transmission direction changing mechanism refers to any device that can produce a transmission axis from parallel shaft transmission to non-parallel shaft transmission, and the specific structure does not affect the protection scope of the present invention
- the driving wheels can be various belt wheels, sprockets, and other circular members that can form a transmission mechanism with an annular flexible member.
- the specific form does not affect the protection of the claims of the present invention. scope;
- Each moving assembly includes at least one transmission direction changing mechanism, or more than one, and the specific number does not affect the protection scope of the present invention
- the X and Y directions are assumed directions for the convenience of explaining the structure and principle, and the corresponding relationship and names of the directions to the specific moving directions do not affect the protection scope of the claims of the present invention
- the auxiliary structure used to support the first toothed belt 5 and the second toothed belt 15 does not affect the protection scope of the present invention
- the structure of this patent can be used to make a universal treadmill, a universal object transport platform, etc. It can be used alone or in combination of multiples, and its use does not affect the protection scope of the present invention.
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
Description
Claims (9)
- 万向移动平台,具有支架,支架上设置有用于带动第一驱动轮转动的第一驱动机构和用于带动第二驱动轮转动的第二驱动机构,第一环形柔性构件绕过带动其转动的第一驱动轮,第二环形柔性构件绕过带动其转动的第二驱动轮,其特征是:它还包括多个平行排列的移动组件,移动组件包括第三环形柔性构件、机架、输入轮、输出轮、将动力从输入轮传递到输出轮的传动变向机构;传动变向机构设置在机架上;各移动组件的机架固定在第一环形柔性构件上,各输入轮均与第二环形柔性构件的表面啮合;第一驱动机构动作,通过第一驱动轮带动第一环形柔性构件及各移动组件在第一环形柔性构件环形面内运动;第二驱动机构动作,通过第二驱动轮带动第二环形柔性构件在平行于第一环形柔性构件环形面的面内运动;如果各输入轮相对于第二环形柔性构件运动,则各输入轮通过传动变向机构带动各输出轮转动,各输出轮带动第三环形柔性构件在第三环形柔性构件环形面内运动;第三环形柔性构件环形面与第一环形柔性构件环形面垂直。
- 如权利要求1所述的万向移动平台,其特征是:各输入轮均与第二环形柔性构件的外表面啮合。
- 如权利要求1或2所述的万向移动平台,其特征是:输入轮和第二环形柔性构件分别是相啮合的输入齿轮和第二齿形带,输入齿轮通过锥齿轮传动变向机构将动力传递到输出轮。
- 如权利要求1或2所述的万向移动平台,其特征是:移动组件还包括转动设置在机架上至少一个导向轮,第三环形柔性构件环绕导向轮。
- 如权利要求1或2所述的万向移动平台,其特征是:第一驱动轮设置在第一驱动轮轴上,第一驱动轮轴转动设置在支架上,第一驱动轮轴与包括第一驱动电机在内的第一驱动机构中的第一驱动电机输出轴连接,第一驱动电机动作,通过第一驱动轮轴带动第一驱动轮转动。
- 如权利要求5所述的万向移动平台,其特征是:第二驱动轮在周向空套在第一驱动轮轴上,并与过渡轮在轴向相连;过渡轮与包括第二驱动电机在内的第二驱动机构中的第二驱动电机输出轴连接。
- 如权利要求1或2所述的万向移动平台,其特征是:第二驱动轮设置在第二驱动轮轴上,第二驱动轮轴转动设置在支架上,第二驱动轮轴与包括第二驱动电机在内的第二驱动机构中的第二驱动电机输出轴连接,第二驱动电机动作,通过第二驱动轮轴带动第二驱动轮转动。
- 如权利要求1或2所述的万向移动平台,其特征是:第一驱动轮及带动第一驱动轮转动的第一驱动机构均有多个。
- 如权利要求1或2所述的万向移动平台,其特征是:第二驱动轮及带动第二驱动轮转动的第二驱动机构均有多个。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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CN202010047820.1 | 2020-01-16 | ||
CN202020116398.6 | 2020-01-16 | ||
CN202010047820.1A CN111120804A (zh) | 2020-01-16 | 2020-01-16 | 万向移动平台 |
CN202020116398.6U CN211574601U (zh) | 2020-01-16 | 2020-01-16 | 万向移动平台 |
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WO2021143251A1 true WO2021143251A1 (zh) | 2021-07-22 |
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PCT/CN2020/123484 WO2021143251A1 (zh) | 2020-01-16 | 2020-10-25 | 万向移动平台 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007139672A2 (en) * | 2006-05-22 | 2007-12-06 | Reel Efx, Inc. | Omni-directional treadmill |
CN103991491A (zh) * | 2013-02-19 | 2014-08-20 | 北京机械工业自动化研究所 | 一种轮式全向移动装置、全向移动方法及运输装置 |
KR101670718B1 (ko) * | 2015-05-29 | 2016-10-31 | 경상대학교산학협력단 | 전 방향 트레드밀 장치 |
CN106110573A (zh) * | 2016-07-28 | 2016-11-16 | 京东方科技集团股份有限公司 | 全向移动平台及其控制方法、跑步机 |
CN206391434U (zh) * | 2017-01-10 | 2017-08-11 | 肖峰 | 一种全向跑步机 |
CN111120804A (zh) * | 2020-01-16 | 2020-05-08 | 林晓甄 | 万向移动平台 |
CN211574601U (zh) * | 2020-01-16 | 2020-09-25 | 林晓甄 | 万向移动平台 |
-
2020
- 2020-10-25 WO PCT/CN2020/123484 patent/WO2021143251A1/zh active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007139672A2 (en) * | 2006-05-22 | 2007-12-06 | Reel Efx, Inc. | Omni-directional treadmill |
CN103991491A (zh) * | 2013-02-19 | 2014-08-20 | 北京机械工业自动化研究所 | 一种轮式全向移动装置、全向移动方法及运输装置 |
KR101670718B1 (ko) * | 2015-05-29 | 2016-10-31 | 경상대학교산학협력단 | 전 방향 트레드밀 장치 |
CN106110573A (zh) * | 2016-07-28 | 2016-11-16 | 京东方科技集团股份有限公司 | 全向移动平台及其控制方法、跑步机 |
CN206391434U (zh) * | 2017-01-10 | 2017-08-11 | 肖峰 | 一种全向跑步机 |
CN111120804A (zh) * | 2020-01-16 | 2020-05-08 | 林晓甄 | 万向移动平台 |
CN211574601U (zh) * | 2020-01-16 | 2020-09-25 | 林晓甄 | 万向移动平台 |
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