A six-degree-of-freedom simulation motion platform

By designing a motor-driven omnidirectional wheel system and a fan cooling system on a six-degree-of-freedom simulation motion platform, the problems of inconvenient platform movement and electric cylinder heat dissipation were solved, achieving the effects of convenient movement and extended electric cylinder life.

CN224287659UActive Publication Date: 2026-05-26SHANGHAI YINGHAO ELECTROMECHANICAL EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI YINGHAO ELECTROMECHANICAL EQUIP CO LTD
Filing Date
2025-05-29
Publication Date
2026-05-26

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Abstract

This utility model belongs to the field of simulation motion platforms, specifically a six-degree-of-freedom simulation motion platform, including a lower platform; an electric cylinder is hinged to the top of the lower platform, and an upper platform is hinged to the top of the electric cylinder; a motor is fixedly connected to the top of the lower platform; a groove is formed at the bottom of the lower platform; a stud is fixedly connected to the output end of the motor; a movable plate is threadedly connected to the surface of the stud; the movable plate is slidably connected to the groove; and casters are rotatably connected to the bottom of the movable plate. Through the motor and the stud, the four casters can be moved up and down. Adjusting the position of the casters can support the lower platform, facilitating its movement and adjustment. Simultaneously, the movable plate can retract the casters into the groove, reducing their footprint.
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Description

Technical Field

[0001] This utility model relates to the field of simulation motion platforms, specifically a six-degree-of-freedom simulation motion platform. Background Technology

[0002] A six-degree-of-freedom (DOF) simulation motion platform is an advanced device capable of simulating the six degrees of freedom of an object's motion in three-dimensional space. It precisely controls six independent axes of motion to achieve translational motion (forward, backward, left, right, up, down) in the X, Y, and Z directions, as well as rotational motion (pitch, yaw, roll) around these axes. This type of device is commonly used to simulate motion states in complex environments and is widely applied in aerospace, automotive engineering, shipbuilding, entertainment simulation, and education and training fields.

[0003] The installation and debugging of the platform requires adjusting its position, but traditional lower platforms do not have casters at the bottom to facilitate movement, making it difficult to adjust the platform's position. If casters were installed, they would take up installation space at the bottom of the platform.

[0004] Therefore, a six-degree-of-freedom simulation motion platform is proposed to address the above problems. Utility Model Content

[0005] In order to overcome the shortcomings of the existing technology and solve at least one of the technical problems mentioned in the background technology, this utility model proposes a six-degree-of-freedom simulation motion platform.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A six-degree-of-freedom simulation motion platform of this utility model includes a lower platform; an electric cylinder is hinged to the top of the lower platform, an upper platform is hinged to the top of the electric cylinder, a motor is fixedly connected to the top of the lower platform, a groove is opened at the bottom of the lower platform, a stud is fixedly connected to the output end of the motor, a movable plate is threadedly connected to the surface of the stud, the movable plate is slidably connected to the groove, and a universal wheel is rotatably connected to the bottom of the movable plate; this step, through the motor and the stud, can drive the four universal wheels to move up and down, adjust the position of the universal wheels, and support the lower platform. After the universal wheels are unfolded, the platform can be easily moved to different experimental sites or maintenance areas, reducing manual handling costs. At the same time, the movable plate can drive the universal wheels to be stored inside the groove, storing the universal wheels and reducing the space occupied by the universal wheels.

[0007] Preferably, an exhaust pipe is fixedly connected to the top of the lower platform, a fan is fixedly connected inside the lower platform, the air outlet of the fan is connected to the exhaust pipe, a guide groove is opened inside the lower platform, the air inlet of the fan is connected to the guide groove, and a heat sink is fixedly connected to the surface of the electric cylinder. This step can continuously blow air to cool the electric cylinder at the top of the lower platform. With the help of the heat sink, the temperature of the electric cylinder during continuous operation can be effectively reduced, and the service life of the electric cylinder can be increased.

[0008] Preferably, a limiting ring is fixedly connected to the inner side of the flow guide channel, and a filter screen is slidably connected to the inner side of the flow guide channel; in this step, the filter screen can filter the air entering the flow guide channel, and the limiting ring can limit the position of the filter screen to prevent the filter screen from sliding to the innermost side of the flow guide channel, thus making it easier to remove the filter screen.

[0009] Preferably, a limiting plate is rotatably connected to the side of the lower platform, and a pull rod is fixedly connected to the side of the filter screen. The side of the limiting plate is in contact with the pull rod. This step can limit the pull rod by rotating the limiting plate, and at the same time facilitate the removal of the pull rod. The pull rod facilitates the removal of the filter screen inside the guide channel for cleaning and replacement.

[0010] Preferably, a connecting groove is provided on the inner side of the groove, and a protective plate is slidably connected to the inner side of the groove. The protective plate is connected to the connecting groove by bolts, and the top of the connecting groove is rotatably connected to a stud. This step, by setting a detachable protective plate, facilitates the inspection and protection of the inside of the groove.

[0011] Preferably, the exhaust pipe has several outlets that are inclined, and the top of the guide channel has an air inlet. This step increases the air intake channel of the fan through the air inlet, prevents the side of the guide channel from being blocked, and makes it easier for the air blown out by the exhaust pipe to contact the electric cylinder and cool it down through the inclined outlet at the top of the exhaust pipe.

[0012] The advantages of this utility model are:

[0013] 1. The six-degree-of-freedom simulation motion platform described in this utility model can drive four omnidirectional wheels to move up and down through a motor and studs. Adjusting the position of the omnidirectional wheels can support the lower platform. After the omnidirectional wheels are unfolded, the platform can be easily moved to different experimental sites or maintenance areas, reducing manual handling costs. At the same time, the moving plate can drive the omnidirectional wheels to be stored inside the groove, thus reducing the space occupied by the omnidirectional wheels.

[0014] 2. The six-degree-of-freedom simulation motion platform described in this utility model can continuously blow air to cool the electric cylinder at the top of the lower platform. With the help of heat sinks, it can effectively reduce the temperature of the electric cylinder during continuous operation and increase the service life of the electric cylinder. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the three-dimensional bottom structure of this utility model;

[0018] Figure 3 This is a cross-sectional view of the lower platform in this utility model;

[0019] Figure 4 This is a schematic diagram of the internal structure of the groove in this utility model;

[0020] Figure 5 This is a schematic diagram of the protective plate structure in this utility model.

[0021] Legend: 1. Lower platform; 12. Electric cylinder; 13. Upper platform; 14. Motor; 15. Groove; 16. Stud; 17. Moving plate; 18. Caster wheel; 21. Exhaust pipe; 22. Fan; 23. Guide groove; 24. Heat sink; 31. Limiting ring; 32. Filter screen; 41. Limiting plate; 42. Pull rod; 51. Connecting groove; 52. Protective plate; 61. Air inlet. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] like Figures 1 to 5As shown, a six-degree-of-freedom simulation motion platform includes a lower platform 1; an electric cylinder 12 is hinged to the top of the lower platform 1, and an upper platform 13 is hinged to the top of the electric cylinder 12; a motor 14 is fixedly connected to the top of the lower platform 1; a groove 15 is formed at the bottom of the lower platform 1; a stud 16 is fixedly connected to the output end of the motor 14; a movable plate 17 is threadedly connected to the surface of the stud 16; the movable plate 17 is slidably connected to the groove 15; and a caster wheel 18 is rotatably connected to the bottom of the movable plate 17. During operation, when the lower platform 1 needs to be moved, the motor 14 drives the stud 16 to rotate, which in turn drives the movable plate 17 to move downwards inside the groove 15. The movable plate 17 then drives the caster wheel 18 to move. When the caster wheel 18 contacts the ground... The lower platform 1 is lifted up, separating its bottom from the ground. At this time, the lower platform 1 can be pushed to move. When the lower platform 1 needs to be positioned, the motor 14 drives the stud 16 to reverse, which drives the moving plate 17 to move upward, so that it drives the casters 18 into the interior of the groove 15 for storage. This step, through the motor 14 and the stud 16, can drive the four casters 18 to move up and down. By adjusting the position of the casters 18, the lower platform 1 can be lifted up. After the casters 18 are unfolded, the platform can be easily moved to different experimental sites or maintenance areas, reducing manual handling costs. At the same time, the moving plate 17 can drive the casters 18 to be stored in the interior of the groove 15, reducing the space occupied by the casters 18.

[0024] like Figure 3 As shown, an exhaust pipe 21 is fixedly connected to the top of the lower platform 1, and a fan 22 is fixedly connected inside the lower platform 1. The air outlet of the fan 22 is connected to the exhaust pipe 21. A guide groove 23 is opened inside the lower platform 1, and the air inlet of the fan 22 is connected to the guide groove 23. A heat sink 24 is fixedly connected to the surface of the electric cylinder 12. During operation, the heat sink 24 dissipates heat from the electric cylinder 12. After the electric cylinder 12 has been running for a long time, its temperature will rise. The fan 22 draws air through the guide groove 23 and blows it out through the exhaust pipe 21 to cool the electric cylinder 12. This step can continuously cool the electric cylinder 12 at the top of the lower platform 1. With the help of the heat sink 24, the temperature of the electric cylinder 12 during continuous operation can be effectively reduced, increasing the service life of the electric cylinder 12.

[0025] like Figure 3 As shown, a limiting ring 31 is fixedly connected to the inner side of the guide channel 23, and a filter screen 32 is slidably connected to the inner side of the guide channel 23. During operation, the air passing through the guide channel 23 enters the interior of the fan 22 through the filter screen 32. The filter screen 32 filters the air passing through the guide channel 23. In this step, the filter screen 32 can filter the air entering the guide channel 23. The limiting ring 31 can limit the position of the filter screen 32 to prevent the filter screen 32 from sliding to the innermost side of the guide channel 23, making it easier to remove the filter screen 32.

[0026] like Figure 3 As shown, a limiting plate 41 is rotatably connected to the side of the lower platform 1, and a pull rod 42 is fixedly connected to the side of the filter screen 32. The side of the limiting plate 41 is in contact with the pull rod 42. During operation, rotating the limiting plate 41 can limit the pull rod 42. The pull rod 42 can pull the filter screen 32 to move it out of the guide groove 23. This step can limit the pull rod 42 by rotating the limiting plate 41, and at the same time facilitate the removal of the pull rod 42. The pull rod 42 facilitates the removal of the filter screen 32 inside the guide groove 23 for cleaning and replacement.

[0027] like Figure 2 and Figure 4 As shown, a connecting groove 51 is provided on the inner side of the groove 15, and a protective plate 52 is slidably connected to the inner side of the groove 15. The protective plate 52 is connected to the connecting groove 51 by bolts, and the top of the connecting groove 51 is rotatably connected to the stud 16. When it is necessary to inspect the inside of the groove 15 during operation, the bolts inside the protective plate 52 can be rotated to separate it from the connecting groove 51, and the protective plate 52 can be disassembled and installed. This step, by setting a detachable protective plate 52, facilitates the inspection and protection of the inside of the groove 15.

[0028] like Figure 3 As shown, the exhaust pipe 21 has several outlets that are inclined, and the top of the guide channel 23 has an air inlet 61. During operation, the fan 22 can draw air through the guide channel 23 and the air inlet 61. This step increases the air intake channel of the fan 22 through the air inlet 61 and prevents the side of the guide channel 23 from being blocked. The air blown out by the exhaust pipe 21 through the inclined outlet at the top makes it easier for the air to come into contact with the electric cylinder 12 and cool it down.

[0029] Working principle: When the lower platform 1 needs to be moved, the motor 14 drives the stud 16 to rotate. The stud 16 drives the moving plate 17 to move downward inside the groove 15. The moving plate 17 drives the caster 18 to move. When the caster 18 contacts the ground, it lifts the lower platform 1, separating its bottom surface from the ground. At this time, the lower platform 1 can be pushed to move. When the lower platform 1 needs to be positioned, the motor 14 drives the stud 16 to reverse. The stud 16 drives the moving plate 17 to move upward, causing it to move the caster 18 into the groove 15 for storage. The heat sink 24 dissipates heat from the electric cylinder 12. During the operation of the electric cylinder 12... After a while, the temperature of the electric cylinder 12 will rise. The blower 22 draws air through the guide groove 23 and the air inlet 61 and blows it out through the exhaust pipe 21 to cool the electric cylinder 12. The air passing through the guide groove 23 and the air inlet 61 enters the blower 22 through the filter screen 32. The filter screen 32 filters the air passing through the guide groove 23. The limit plate 41 can be rotated to limit the pull rod 42. The pull rod 42 can be used to pull the filter screen 32 to move it out of the guide groove 23. When it is necessary to inspect the inside of the groove 15, the bolts inside the protective plate 52 can be rotated to separate it from the connecting groove 51, and the protective plate 52 can be disassembled and reassembled.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A six-degree-of-freedom simulation motion platform, comprising a lower platform (1); characterized in that: An electric cylinder (12) is hinged to the top of the lower platform (1), and an upper platform (13) is hinged to the top of the electric cylinder (12). A motor (14) is fixedly connected to the top of the lower platform (1). A groove (15) is provided at the bottom of the lower platform (1). A stud (16) is fixedly connected to the output end of the motor (14). A movable plate (17) is threadedly connected to the surface of the stud (16). The movable plate (17) is slidably connected to the groove (15). A caster wheel (18) is rotatably connected to the bottom of the movable plate (17).

2. The six-degree-of-freedom simulation motion platform according to claim 1, characterized in that: An exhaust pipe (21) is fixedly connected to the top of the lower platform (1), and a fan (22) is fixedly connected inside the lower platform (1). The air outlet of the fan (22) is connected to the exhaust pipe (21). A guide groove (23) is opened inside the lower platform (1). The air inlet of the fan (22) is connected to the guide groove (23). A heat sink (24) is fixedly connected to the surface of the electric cylinder (12).

3. The six-degree-of-freedom simulation motion platform according to claim 2, characterized in that: A limiting ring (31) is fixedly connected to the inner side of the flow guide groove (23), and a filter screen (32) is slidably connected to the inner side of the flow guide groove (23).

4. The six-degree-of-freedom simulation motion platform according to claim 3, characterized in that: The side of the lower platform (1) is rotatably connected to a limiting piece (41), and the side of the filter screen (32) is fixedly connected to a pull rod (42), with the side of the limiting piece (41) fitting against the pull rod (42).

5. A six-degree-of-freedom simulation motion platform according to claim 4, characterized in that: A connecting groove (51) is provided on the inner side of the groove (15), and a protective plate (52) is slidably connected to the inner side of the groove (15). The protective plate (52) is connected to the connecting groove (51) by bolts, and the top of the connecting groove (51) is rotatably connected to the stud (16).

6. A six-degree-of-freedom simulation motion platform according to claim 5, characterized in that: The exhaust pipe (21) has an inclined outlet and there are several outlets. The top of the guide groove (23) has an air inlet (61).