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Bionic elephant trunk mechanical arm

A robotic arm and elephant trunk technology, applied in the field of robotic arms, can solve problems such as poor control accuracy

Active Publication Date: 2020-09-25
杭州魔象智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the bionic elephant trunk disclosed in this patent has great limitations. For industrial operations that require precise positioning, the operation of the inflation operation

Method used

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  • Bionic elephant trunk mechanical arm
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  • Bionic elephant trunk mechanical arm

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Experimental program
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Effect test

Embodiment 1

[0045] Such as Figure 1-Figure 13 As shown, a bionic elephant trunk mechanical arm includes a base 1 and an end flange 2. Several basic motion groups 3 are arranged between the base 1 and the end flange 2. Several basic motion groups 3 are connected by universal joints. The shafts 4 are connected, the base 1 is provided with a servo motor 5, the output shaft of the servo motor 5 is connected with the bottom of the first basic motion group 3 through a universal coupling 4, and the top of the basic motion group 3 placed at the end passes through the universal joint 4. Connect to the coupling 4 and the end flange 2;

[0046] The basic motion group 3 includes a unit connection plate 6, a linear motion unit 7 and a driven telescopic unit 8. The unit connection plate 6 is provided with several installation holes, and the driven telescopic unit 8 is socketed and installed at the center of the unit connection plate 6. In the hole, a number of linear motion units 7 are evenly distrib...

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Abstract

The invention discloses a bionic elephant trunk mechanical arm. The bionic elephant trunk mechanical arm comprises a base and an end flange. A plurality of basic motion groups are arranged between thebase and the end flange. The plurality of basic motion groups are connected through universal couplings. Servo motors on the base are connected with the bottom of the first basic motion group throughuniversal couplings. The top of the basic motion group located at the tail end is connected with the end flange through universal couplings. Each basic motion group comprises a unit connecting plate,a plurality of linear motion units and a driven telescopic unit, wherein the unit connecting plate is provided with mounting holes; the driven telescopic unit is mounted in the mounting hole in the center position; and the plurality of linear motion units are uniformly distributed in the mounting holes located on the edge around the driven telescopic unit. The bionic elephant trunk mechanical armachieves the elephant trunk bending function through the length difference and realizes changes of the overall length through linkage. Moreover, the function of simulating twisting of an elephant trunk is added, and simulation of the elephant trunk functional structure is realized. The bionic elephant trunk mechanical arm provided by the invention has the advantages of high control precision andlarge operation space.

Description

technical field [0001] The invention relates to a mechanical arm, in particular to a bionic elephant trunk mechanical arm. Background technique [0002] In the process of using the elephant trunk to grasp objects, the length difference is produced by the contraction of muscles in different parts, which makes the elephant trunk bend and deform. The elephant trunk changes the length of the elephant trunk through the expansion and contraction of the sphincter muscle. The elongation rate is about 20%-30%, and the trunk is twisted through the contraction of the spiral muscle. Therefore, many companies design the bionic trunk mechanical structure instead of the mechanical arm according to the principle of the elephant trunk. At present, the working space of the existing parallel robot is smaller than that of the serial robot, and the accuracy loss of the serial robot is relatively large due to the multi-section open-loop chain structure, and the application of the bionic elephant ...

Claims

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Application Information

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IPC IPC(8): B25J9/00B25J9/06B25J9/10
CPCB25J9/0069B25J9/065B25J9/1075
Inventor 林景聪谭策吴嘉宁曾昭友
Owner 杭州魔象智能科技有限公司
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