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Six-degree of freedom motion platform

A technology of motion platform and degree of freedom, which is applied in the direction of hoisting device, lifting frame, etc., can solve the problems of high production cost, complicated internal structure setting, single support method, etc., and achieve the effect of prolonging service life, reducing structural size and reducing power

Active Publication Date: 2013-01-09
北京摩诘创新科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If this electro-hydraulic push rod is used on a six-degree-of-freedom motion platform, although the positioning accuracy can be improved to a certain extent, its internal structure is complex, the support method is single, and the production cost is high

Method used

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Embodiment Construction

[0055] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0056] Such as figure 1 As shown, the present invention provides a six-degree-of-freedom motion platform, including an upper platform 1, a lower platform 2 and six electric push rods 3, and the electric push rods 3 are distributed between the upper platform 1 and the lower platform 2, and the two ends The upper platform 1 and the lower platform 2 are respectively hinged one by one through a hinge support 4, and the cylinder barrel 33 of each electric push rod 3 is provided with a closed chamber 36 connected with the air intake / hydraulic power source, and enters the airtight The pressure gas / hydraulic pressure in the chamber 311 acts on the lead screw pair 321 of the electric push rod 3, and the force applied by the pressure gas / hydraul...

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Abstract

The invention discloses a six-degree of freedom motion platform, which comprises an upper platform (1), a lower platform (2) and six electric push rods (3), wherein the electric push rods (3) are distributed between the upper platform (1) and the lower platform (2), and two ends of each electric push rod are hinged with the upper platform (1) and the lower platform (2) respectively in a one-to-one correspondence mode by hinged supports (4); a closed cavity (36) which is communicated with an air inlet power source is formed in a cylinder (33) of each electric push rod (3); pressure air / hydraulic pressure in the closed cavity (36) acts on a lead screw pair (321) of each electric push rod (3); and the direction of the acting force, which acts on the lead screw pair (321), of the pressure air / hydraulic pressure is opposite to that of the heavy load acting force of the upper platform (1), and the acting force acting on the lead screw pair is used for supporting the lead screw pair (321) pneumatically. According to the six-degree of freedom motion platform, an integrated pneumoelectric push rod mode is adopted, so that the support capacity of the electric push rods is enhanced, and the six-degree of freedom motion platform is simple in structure and low in manufacturing cost.

Description

technical field [0001] The invention relates to the technical field of multi-degree-of-freedom motion platforms, in particular to a heavy-duty six-degree-of-freedom motion platform. Background technique [0002] The standard six-degree-of-freedom motion platform is mainly used for heavy-duty lifting. Through the change of six degrees of freedom, the equipment or other items on the platform can be quickly and flexibly moved to a suitable position. [0003] Traditional heavy-duty six-degree-of-freedom platforms mostly use hydraulic drive, which requires a lot of equipment, consumes a lot of power, and has serious problems such as noise and precision. Therefore, there is a trend of gradually developing towards electric in the industry. [0004] Chinese patent document CN201723926U discloses a six-degree-of-freedom electromechanical motion platform, including an upper base plate of the platform, a lower base plate of the platform, and an electric cylinder assembly of six electri...

Claims

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Application Information

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IPC IPC(8): B66F7/08B66F7/28
Inventor 刘文冬崔明宝张蔚萍王宝奇
Owner 北京摩诘创新科技股份有限公司
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