An elbow joint of a mechanical arm and its action method

A technology of elbow joints and robotic arms, applied in manipulators, program-controlled manipulators, manufacturing tools, etc., can solve the problems of uncompactness, high cost, and complicated mechanical arm settings, and achieve low cost, convenient operation, and compact design.

Active Publication Date: 2020-09-15
HANGZHOU WAHAHA PRECISION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of complex, uncompact and high cost of the existing mechanical arm, and provide a kind of elbo

Method used

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  • An elbow joint of a mechanical arm and its action method
  • An elbow joint of a mechanical arm and its action method
  • An elbow joint of a mechanical arm and its action method

Examples

Experimental program
Comparison scheme
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Example Embodiment

[0034] Example 1:

[0035] in figure 1 , figure 2 , image 3 In the illustrated embodiment, an elbow joint of a mechanical arm includes:

[0036] Boom 1, a support arm for realizing elbow joint action; a mounting seat 2 is provided inside the boom 1;

[0037] The forearm 3 is an executive component connected with the upper arm 1 to realize the elbow joint movement;

[0038] The drive assembly 4 is a drive component arranged inside the mounting base 2 for realizing the movement of the elbow joint;

[0039] The transmission assembly 5 is set in the mounting seat 2 to transmit the driving force of the drive assembly 4 to the transmission part of the arm 3; the transmission assembly 5 includes a right-angle planetary reducer 6, a belt drive 7 and a chain drive 8 which are connected in turn for transmission; The transmission 8 is connected with the forearm 3 and drives the forearm 3 to actuate the elbow joint.

[0040] Drive assembly 4 is a motor with encoder and brake.

[0041] The right-an...

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Abstract

The invention discloses an elbow joint of a mechanical arm. The elbow joint comprises a big arm, a small arm, a driving assembly and a transmission assembly. The big arm is a support arm used for achieving movement of the elbow joint. An installing seat is arranged in the big arm. The small arm is an executive component connected with the big arm to achieve the movement of the elbow joint. The driving assembly is a driving component which is arranged in the installing seat and is used for achieving movement of the elbow joint. The transmission assembly is a transmission component which is arranged in the installing seat and transmits driving force of the driving assembly to the small arm. The transmission assembly comprises a right angle type planetary reducer, a belt transmission part anda chain transmission part which are in transmission connection sequentially. The chain transmission part is connected with the small arm and drives the small arm to move to achieve driving of the elbow joint. According to the elbow joint of the mechanical arm, through combined type transmission of the belt transmission part and the chain transmission part, the structure is more compact, the layout is more reasonable, free swinging of the elbow joint is achieved, manufacturing is convenient, and cost is low. A movement method is convenient to operate, transmission is precise, control is simpler and more convenient, the whole elbow joint is more compact, and swinging is more flexible.

Description

technical field [0001] The present invention relates to the technical field of machinery, and more specifically relates to an elbow joint of a mechanical arm and an action method thereof. Background technique [0002] The field of use of robotic arms is becoming more and more extensive. Due to the complex structure, incompactness and high cost of the existing robotic arms, the use of the robotic arm is greatly limited, which restricts the development of the robotic arm. Therefore , there is an urgent need to design an elbow joint of a mechanical arm that is compact in structure, simple in setting, low in cost, and more flexible at the elbow joint. [0003] Chinese patent literature (announcement date: September 28, 2011, announcement number: CN 101913144B) discloses a mobile mechanical arm in the field of robotics, including: a mobile platform, a mechanical arm set on the mobile platform, and a two-dimensional rotating cloud platform, the mechanical arm includes: waist join...

Claims

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Application Information

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IPC IPC(8): B25J17/02B25J9/12
CPCB25J9/104B25J9/126B25J17/0258
Inventor 罗振军张东海许健方志炜赵振陈落根朱俏俏郭小宝
Owner HANGZHOU WAHAHA PRECISION MACHINERY
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