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Seven degree-of-freedom cooperative mechanical arm

A robotic arm and degree of freedom technology, applied in the field of robotics, can solve the problems of no redundant degrees of freedom, lack of flexibility, and lack of heat dissipation in the robotic arm, and achieve the effects of improving wiring safety, reasonable space utilization, and high flexibility

Pending Publication Date: 2018-04-20
TIANJIN YANGTIAN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the weight is high, the timing belt needs to be tensioned, which makes the structure more complicated, there is a certain vacancy in the internal space, and the lack of heat dissipation
The entire robotic arm has no redundant degrees of freedom and lacks flexibility

Method used

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  • Seven degree-of-freedom cooperative mechanical arm
  • Seven degree-of-freedom cooperative mechanical arm
  • Seven degree-of-freedom cooperative mechanical arm

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Experimental program
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Embodiment Construction

[0021] The present invention will be described in detail below in conjunction with the accompanying drawings and specific installation and working methods.

[0022] As shown in the accompanying drawings, a seven-degree-of-freedom cooperative robot arm of the present invention includes seven modular joints with the same structure, and the seven modular joints are respectively the first modular joint 19, the second modular joint 20, the second modular joint Three modular joints 22, the fourth modular joint 23, the fifth modular joint 25, the sixth modular joint 26 and the seventh modular joint 27, each modular joint all includes a housing 17, in the housing 17 An end cover 16 is installed on the top, and a sealing ring is preferably installed between the shell 17 and the end cover 16 .

[0023] A metal bracket 5 is fixed on the inner upper part of the housing, preferably on the metal bracket, there are a plurality of screw holes connecting the metal bracket and the housing in th...

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Abstract

The invention discloses a seven degree-of-freedom cooperative mechanical arm. The seven degree-of-freedom cooperative mechanical arm comprises seven modular joints, two connecting arms and a base. Therotating end of the first modular joint is fixedly connected with the base, the fixed end of the first modular joint is fixedly connected with the rotating end of the second modular joint, the fixedend of the second modular joint is fixedly connected with one end of the first connecting arm, and the other end of the first connecting arm is fixedly connected with the fixed end of the third modular joint; the rotating end of the third modular joint is fixedly connected with the fixed end of the fourth modular joint, the rotating end of the fourth modular joint is fixedly connected with one endof the second connecting arm, and the other end of the second connecting arm is fixedly connected with the fixed end of the fifth modular joint; and the rotating end of the fifth modular joint is fixedly connected with the fixed end of the sixth modular joint, and the rotating end of the sixth modular joint is fixedly connected with the fixed end of the seventh modular joint. The seven degree-of-freedom cooperative mechanical arm can effectively improve the load / deadweight ratio, the structure is simple, and maintenance is convenient.

Description

technical field [0001] The invention relates to the technical field of robots, in particular to a novel configuration structure of a hollow series cooperative mechanical arm constructed of modular joints and connecting arms. Background technique [0002] At present, collaborative robotic arms are gaining popularity in various industries. As people's requirements for the capabilities of manipulators and workplaces are getting higher and higher, the requirements for modularization and lightweight of collaborative manipulators are also gradually increasing. Existing collaborative robotic arms are often cumbersome, and it is difficult to realize human-machine collaboration, which greatly affects assembly and operation. However, after the miniaturization design, the load capacity of the cooperative manipulator drops significantly. How to improve the load / weight ratio of the lightweight manipulator and improve the compactness of the structure has become an urgent problem to be so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25J17/02B25J9/12
CPCB25J9/102B25J9/126B25J17/0258
Inventor 肖聚亮张秋隆洪鹰王国栋张智涛刘宏业段文斌
Owner TIANJIN YANGTIAN TECH CO LTD
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