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Three-freedom elastic connecting mechanism based on double-leaf mechanism

A technology of elastic connection and double reed, which is applied in the direction of manipulators, program-controlled manipulators, manufacturing tools, etc., can solve problems such as harmful friction and gaps, complex structures, etc., and achieves the advantages of easy installation and use, little impact of space restrictions, and clear principles Effect

Inactive Publication Date: 2006-08-16
NANJING INST OF ASTRONOMICAL OPTICS & TECH NAT ASTRONOMICAL OBSE
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AI Technical Summary

Problems solved by technology

On the other hand, in general, the mechanism used to realize the vibration or swing of the object is mostly a spring mechanism. In addition to the connection between the object and the base with an elastic element spring, it is also necessary to set up a corresponding coupling mechanism to constrain and limit the vibration or swing. The remaining degrees of freedom other than the required degrees of freedom, for example, generally use sliders or bearing mechanisms to achieve guidance or anti-rotation, which makes the structure complex, and there are also harmful friction and clearance problems that need to be solved, and often require strict installation Linking process and working posture

Method used

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  • Three-freedom elastic connecting mechanism based on double-leaf mechanism
  • Three-freedom elastic connecting mechanism based on double-leaf mechanism
  • Three-freedom elastic connecting mechanism based on double-leaf mechanism

Examples

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Embodiment 1

[0080] Example 1, see figure 1 with figure 2 , on a certain optimal support circle on the connected object, a double reed mechanism is arranged every 120 degrees along the circumferential direction to form a "three-point elastic connection mechanism", or called "double reed elastic connection mechanism". " or " double reed connection mechanism ". see image 3 Schematic diagram of the principle of the double-reed mechanism, using thin reeds with good out-of-plane elasticity (flexibility) and good in-plane stiffness, a pre-bent double-reed mechanism is designed, that is, the same two pre-bent reeds face each other Arrangement, the two ends are overlapped and clamped, relying on the friction force generated by the clamping to achieve fastening, other parts or mechanisms can be connected at both ends of the clamping, and the clamping part can also be considered to be integrated on the connected object; in order to ensure The double reed works safely and effectively within a ce...

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Abstract

A three-freedom elastic linking mechanism based on dual-reed unit for linking two objects or parts in order to implement precise movement transfer or constraint features that three dual-reed units are arranged on some optimal supporting circle on the object to be linked at the intervals of 120 deg to form a three-point linking elastic linking mechanism. Said dual-reed unit is composed of opposite two reeds whose both ends are fastened. Said elastic linking mechanism has limit post or displacement regulating post fixed two fastened points.

Description

technical field [0001] The present invention relates to an elastic coupling device, which is used especially for the supporting coupling of parts that need to be changed in attitude and perform elastic vibration or swing, and can also be used to limit the relative rotation or use between two objects that perform relatively precise motion A coupling device that transmits axial rotation between two objects. Background technique [0002] Conventional active coupling mechanisms mostly use bearing shafting systems. The friction and backlash in motion transmission are difficult problems to overcome, especially when precision relative motion is required between the two connected objects, the backlash is extremely harmful. . A typical example of a traditional coupling mechanism is a universal joint mechanism. On the other hand, in general, the mechanism used to realize the vibration or swing of the object is mostly a spring mechanism. In addition to the connection between the obje...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25J9/08
Inventor 杨德华
Owner NANJING INST OF ASTRONOMICAL OPTICS & TECH NAT ASTRONOMICAL OBSE
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