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Stable tracking platform based on 2-RRPU+2-RPU/U two-degree-of-freedom parallel mechanism

A 2-RPU, stable tracking technology, applied in the field of robotics, can solve the problems of reducing the effective utilization rate of the ship's splint, large size, etc., to achieve the effect of high rigidity, small size and high precision

Pending Publication Date: 2022-05-10
YANSHAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The stable tracking platform has the technical problems of large load, high precision, and fast response. At present, most of the stable platfo

Method used

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  • Stable tracking platform based on 2-RRPU+2-RPU/U two-degree-of-freedom parallel mechanism
  • Stable tracking platform based on 2-RRPU+2-RPU/U two-degree-of-freedom parallel mechanism
  • Stable tracking platform based on 2-RRPU+2-RPU/U two-degree-of-freedom parallel mechanism

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Embodiment Construction

[0029]In order to detail the technical content, structural features, achieved goals and effects of the present invention, the following will be described in detail in conjunction with the accompanying drawings.

[0030] The present invention provides a stable tracking platform based on 2-RRPU+2-RPU / U two-degree-of-freedom parallel mechanism, such as figure 1 As shown, it includes a radar 1 , an elevation unit 2 , a rotation unit 3 and a parallel attitude adjustment unit 4 , and the radar 1 is arranged on a radar base 23 of the elevation unit 2 .

[0031] Such as figure 2 As shown, the pitch unit 2 is arranged on the rotary unit 3, and the pitch unit 2 includes a first pitch shaft assembly 21, a pitch motor 22, a radar base 23, a reduction gear set 24, a pitch lower frame 25 and a second pitch shaft assembly 26, The radar base 23 is located on the pitch lower frame 25, and the first end of the radar base 23 is connected with the first end of the pitch lower frame 25 through t...

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Abstract

The invention relates to a stable tracking platform based on a 2-RRPU + 2-RPU/U two-degree-of-freedom parallel mechanism, the stable tracking platform comprises a radar, a pitching unit, a rotation unit and a parallel attitude adjusting unit, the radar is arranged on a radar base of the pitching unit, the pitching unit is arranged on the rotation unit, the rotation unit is arranged on the parallel attitude adjusting unit, and the parallel attitude adjusting unit is arranged on the radar base of the pitching unit. The parallel posture adjusting unit comprises an upper platform, a driving RRPU branch chain, a driven RPU branch chain, a middle U branch chain, a driving RPU branch chain, a driven RPU branch chain and a lower base, the middle U branch chain is arranged at the center of the lower base, and the driving RRPU branch chain, the driven RPU branch chain, the driven RPU branch chain and the driving RPU branch chain are symmetrically and evenly distributed in the circumferential direction of the lower base. A series-parallel mechanism series-parallel structure is adopted, the bearing capacity, precision and response speed of the stable tracking platform are improved, and the stable tracking platform has the advantages of being light in weight, large in rigidity, high in precision and the like.

Description

technical field [0001] The invention belongs to the technical field of robots, and in particular relates to a stable tracking platform based on a 2-RRPU+2-RPU / U two-degree-of-freedom parallel mechanism. Background technique [0002] The stable tracking platform has the technical problems of large load, high precision, and fast response. At present, most of the stable platforms used by large-scale shipborne radars are composed of multiple sets of frames connected in series. The problem of the effective utilization of the splint. [0003] Compared with the series mechanism, the parallel mechanism has the advantages of small inertia, large load capacity, high stiffness, and good dynamic performance. It is widely used in various fields such as processing and manufacturing, medicine, and various motion simulators. However, in many practical application scenarios, it is not necessary to use six degrees of freedom, and the parallel mechanism with few degrees of freedom has the adv...

Claims

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Application Information

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IPC IPC(8): G01S13/72G01S7/02
CPCG01S13/72G01S7/02
Inventor 赵永生马小腾席宏祥刘康辉李宇铭
Owner YANSHAN UNIV