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A fully flexible hinge micro-displacement amplification mechanism
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An amplifying mechanism, fully flexible technology, applied in the directions of generators/motors, piezoelectric effect/electrostrictive or magnetostrictive motors, electrical components, etc. , No lubrication, no assembly error effect
Active Publication Date: 2021-01-12
HARBIN ENG UNIV
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Problems solved by technology
[0003] The existing flexible displacement amplification mechanism is often not compact enough, and the stroke and the overall rigidity are mutually restricted, which cannot meet the needs of high-precision high-speed processing equipment, flexible robots and other fields.
If the stroke and the overall rigidity are increased at the same time, it is easy to produce coupling errors that are difficult to eliminate, and the accuracy will decrease
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Embodiment 1
[0018] Aiming at the needs of high-precision high-speed processing, flexible robots, bionic machinery and other fields, the present invention designs a fully flexible micro-displacement amplification mechanism, adopts three-stage lever symmetrical amplification, and has a more compact structure, and a larger overall rigidity and displacement magnification. And basically eliminate the coupling error, more adapt to the needs in reality, and meet the purpose of high-speed and high-precision motion.
[0019] see figure 1 , in order to achieve this goal, the present invention adopts the following technical solutions, a fully flexible micro-displacement amplification mechanism, including a support frame A, an amplification mechanism B, an output terminal C and a piezoelectric ceramic D. The amplifying mechanism is located on the support frame A, the output end C is installed on the output part of the amplifying mechanism, the piezoelectric ceramics D are respectively installed on th...
Embodiment 2
[0021] combine figure 1 , figure 2 with image 3 Specific embodiments of the present invention will be described. A fully flexible hinge micro-displacement amplification mechanism described in this embodiment includes a structure output platform 1, a right displacement transmission rod 2, a right third lever 3, a right base 4, a right first lever 5, a right piezoelectric Ceramic 6, right second lever 7, base 8, middle base 9, left second lever 10, left piezoelectric ceramic 11, left first lever 12, left base 13, left third lever 14. Left displacement conduction rod 15, support frame A, amplification mechanism B, output terminal C, piezoelectric ceramics D. The piezoelectric ceramic D includes a left piezoelectric ceramic 11 and a right piezoelectric ceramic 6 . The amplification mechanism B is fixed on the support frame A, the output terminal C is fixed on the output part of the amplification mechanism B, the left piezoelectric ceramic 11 and the right piezoelectric ceram...
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Abstract
The invention discloses a full-flexible hinge micro-displacement amplification mechanism, and belongs to the field of the flexible micro-nano. A piezoelectric ceramic is fixed in the middle of a rightbase of a support frame, and is connected with the middle part of a first lever of an amplification mechanism; a top end of the first lever is connected with the right base, and the lower side of thefirst lever is connected with the lower side of a second lever; a bottom end of the second lever is connected with a base of the support frame, the upper side of the second lever is connected with the lower side of a third lever, the bottom end of the third lever is connected with a middle base of the support frame, the top end of the third lever is connected with the bottom end of a right displacement conduction rod, and the right displacement conduction rod top end is connected with the bottom of an output platform. The full-flexible hinge micro-displacement amplification mechanism disclosed by the invention is a symmetric structure, a left side structure and a right side structure are completely same; the connection between the levers is the arc flexible hinge connection. The amplification mechanism can provide enough driving force for the whole mechanism, the structure is more compact, the entire rigidity is greater, the movement is stable, free from lubrication, zero in lagging,high in precision, and free from assembling error, capable of basically eliminating the coupling error and more suitable for the engineering demand.
Description
technical field [0001] The invention belongs to the field of flexible micro-nano, and in particular relates to a fully flexible hinge micro-displacement amplification mechanism. Background technique [0002] Flexible mechanism is a new type of mechanism that uses elastic deformation of materials to transmit or convert motion, force or energy. In the fields of bionic machinery and robots, flexible mechanisms are playing an increasingly important role, and such mechanisms are often called flexible bionic mechanisms. [0003] Existing flexible displacement amplification mechanisms are often not compact enough, and the stroke and the overall rigidity are mutually restricted, which cannot meet the needs of high-precision high-speed processing equipment, flexible robots and other fields. If the stroke and the overall rigidity are increased at the same time, it is easy to produce coupling errors that are difficult to eliminate, and the accuracy will decrease. [0004] This patent...
Claims
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Application Information
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