Mechanical arm

A technology of mechanical arms and tensioning mechanisms, applied in the direction of mechanical arms, claw arms, manufacturing tools, etc., can solve the problems of inflexible operation of mechanical arms, small routing space of mechanical arms, and low rigidity of mechanical arms, and achieve radial space utilization The effect of high efficiency, space optimization of the robot arm, and strengthening of the arm structure

Inactive Publication Date: 2014-05-21
SHENYANG SIASUN ROBOT & AUTOMATION
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  • Abstract
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AI Technical Summary

Problems solved by technology

The disadvantages of this structure are: only small-sized bearings can be used, which limits the service life of the bearings, the rigidity of the mechanical arm is not good, and the space for wiring inside the mechanical arm is small
Therefore, when the size of the robot arm is small, the robot arm will not be able to operate flexibly due to defects such as small wiring space. At the same time, the small space also brings great trouble to the maintenance of the robot arm, and the rigidity of the robot arm is also low. high

Method used

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Embodiment Construction

[0028] In the following detailed description of the invention, numerous specific details are set forth in order to provide a thorough understanding of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without these specific details. In addition, the present invention will be described below with reference to specific embodiments and drawings.

[0029] Such as figure 1 As shown, the mechanical arm of the embodiment of the present invention includes a housing 1, a sleeve 2, a bearing 3, a pulley shaft 4, a transmission axis 5, a shaft 6, a pulley 7, a transmission belt 8, a tensioning mechanism 9, a pulley 10, and a bearing 11 , Gland 12, housing 13, bearing 14, shaft 15, transmission axis 16, pulley shaft 17, sleeve 18, pulley 19 and screw power transmission cable 20. Wherein, the housing 13 is rotationally connected to the pulley shaft 17 through the bearing 14, the bearing 14 is supported on the pulley 19 thro...

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Abstract

The invention relates to the technical field of mechanical arms and discloses a mechanical arm. A spiral power delivery cable (20) is arranged at a connection joint of a large arm and a forearm of the mechanical arm. The mechanical arm structurally comprises a shell (13), a bearing (14) and a belt wheel (19), which are sequentially arranged along a transmission axis (16), and also structurally comprises a belt wheel (7), a bearing (3) and a shell (1), which are sequentially arranged along a transmission axis (5). An existing arm structure is strengthened, the bearings are long in service life, the mechanical arm is high in rigidity, the radial space of a transmission structure is high in utilization rate, and routing is facilitated.

Description

technical field [0001] The invention relates to the technical field of mechanical arms, in particular to a mechanical arm for screw power transmission at joints. Background technique [0002] Existing mechanical arm all adopts the structural form that bearing is installed inside belt wheel at elbow and wrist. The disadvantages of this structure are: only small-sized bearings can be used, which limits the service life of the bearings, the rigidity of the mechanical arm is not good, and the space for wiring inside the mechanical arm is small. Therefore, when the size of the robot arm is small, the robot arm will not be able to operate flexibly due to defects such as small wiring space. At the same time, the small space also brings great trouble to the maintenance of the robot arm, and the rigidity of the robot arm is also low. high. Contents of the invention [0003] In order to solve the above-mentioned defects, the present invention proposes a mechanical arm structure, w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25J18/00
Inventor 王金涛朱维金王凤利朱玉聪尚欣荣刘长斌
Owner SHENYANG SIASUN ROBOT & AUTOMATION
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