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A Robot Based on Planar Link Mechanism

A planar link mechanism and robot technology, applied in the field of robots, can solve problems such as locking

Active Publication Date: 2021-05-07
HOHAI UNIV CHANGZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is a dead point in the four-bar mechanism, which is prone to lock-up, and because of the constraint relationship between the position of each bar and the length of the bar, its output track is fixed, and the walking robot can only perform a fixed step track, and cannot cross certain obstacles

Method used

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  • A Robot Based on Planar Link Mechanism
  • A Robot Based on Planar Link Mechanism
  • A Robot Based on Planar Link Mechanism

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Embodiment Construction

[0022] In order to make the technical means, creative features, achievement goals and effects realized by the present invention easy to understand, the present invention will be further described below with reference to the specific embodiments.

[0023] It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer" and the like indicate the orientation or position The relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention rather than requiring the present invention to be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. The terms "front", "rear", "left", "right", "upper" and "lower" used in the description of the present invention refer to the directions in the drawings, and the terms "inner" and "outer" res...

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Abstract

The invention discloses a robot based on a planar link mechanism, which includes a torso and foot mechanisms symmetrically connected on both sides of the torso. The foot mechanism includes several feet, the feet include a five-bar mechanism, and the five-bar mechanism includes a crank The rod mechanism and the first swing link and the second swing link connected with the crank-rocker mechanism; the crank-rocker mechanism includes a frame, a rocker, a crank and a connecting rod, the frame is rotatably connected to the trunk, and one end of the crank is rotatably connected to the The bottom end of the frame is connected with one end of the connecting rod in rotation, one end of the rocker is connected with the top of the frame, and the other end is connected with the other end of the connecting rod; A slide bar is threadedly connected; one end of the second swing bar is rotatably connected to the frame and the rocker bar to form a compound hinge, the other end is rotatably connected to one end of the first sway bar, and the other end of the first sway bar is rotatably connected to the slide bar; The invention avoids the phenomenon that there is a dead point in the hinge four-bar mechanism, which is prone to locking.

Description

technical field [0001] The invention relates to the technical field of robots, in particular to a robot based on a plane link mechanism. Background technique [0002] For a long time, wheeled and crawler robots have been the preferred types of ground mobile robots due to their advantages of fast moving speed, ingenious motion, convenient control, and reliable performance. However, both wheeled and tracked robots have obvious limitations in terms of adaptability to complex terrain environments, flexibility of movement, and efficiency of movement. There is an urgent need for a robot that can operate in complex environments. Compared with wheeled and tracked robots, multi-legged walking robots, especially eight-legged robots, have superior environmental adaptability, and at the same time, they have less damage to the ground and high flexibility. And its redundant structure also ensures stable walking even if one leg loses the ability to move. Therefore, the research on gait p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25J11/00
Inventor 杨子豪苑明海施昕辉杨泽南任东方周凯文
Owner HOHAI UNIV CHANGZHOU
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