Flexible shaft transmission mechanism

Abstract

The invention provides a flexible shaft transmission mechanism. The flexible shaft transmission mechanism comprises a transmission part, an input connection part arranged at one end of a flexible shaft and an output connection part arranged at the other end of the flexible shaft, wherein the transmission part comprises the flexible shaft and a hose, the hose is arranged on the outer layer of the flexible shaft in a sleeving mode, and the flexible shaft can rotate in the hose, a plurality of first bearings distributed in the axial direction are arranged in the hose, and inner rings of the multiple first bearings are connected on the flexible shaft in a sleeving mode; the input connecting part is used for being connected with an output shaft of a power device to transmit power output by the power device to the flexible shaft; and the output connecting part is used for being connected with an input shaft of an executing mechanism to output the transmitted power outwards to the executing mechanism. By means of the flexible shaft transmission mechanism, long-distance power transmission between the output end of the power device and the input end of the executing mechanism can be achieved, and the flexible shaft transmission mechanism has the advantages of being stable in operation, high in transmission precision, low in transmission torque loss, good in adaptability and the like.

Description

technical field [0001] The invention relates to the field of robot automation, in particular to a flexible shaft transmission mechanism. Background technique [0002] At present, when a flexible shaft is used as a transmission medium, the transmission accuracy is generally low, the transmission efficiency is low, and due to the insufficient rigidity of the flexible shaft itself, it is not convenient to directly connect with the input and output components. [0003] Therefore, it is necessary to develop a flexible shaft with simple structure, high transmission precision, high transmission efficiency, easy installation, good adaptability and installation method. [0004] After searching, it is found that the Chinese utility model patent with the publication number CN205446359U proposes a flexible shaft transmission mechanism, which includes a flexible shaft and an external metal sleeve, but there is no transmission connection part. At the same time, the material of the flexibl...

AI Technical Summary

Problems solved by technology

[0004] After searching, it is found that the Chinese utility model patent with the publication number CN205446359U proposes a flexible shaft transmission mechanism, which includes a flexible shaft and an external metal sleeve, but there is no transmission connection part. At the same time, the material of the flexible shaft and the metal sleeve is fixed, which cannot adapt to complex Application Scenario

[0005] The Chinese utility model patent with the publication number CN207526860U proposes a flexible shaft transmission mechanism. Bearings are arranged at both ends of the flexible shaft, which improves the service life. However, the flexible shaft will still rub against the inner wall in the steel braided hose, which cannot really improve service life, and the connection at both ends is not complete, so it cannot be used directly as a set

[0006] The Chinese patent with the publication number CN108547852A proposes a transmission flexible shaft, adding guide rails, cages, etc. in the flexible shaft, which can improve the load efficiency and forming efficiency, but the process is complicated and not easy to process and manufacture

[0007] The Chinese utility model patent with the publication number CN209621839U proposes a flange transmission flexible shaft, which is provided with a flange connected to external parts, but other parts are similar to the traditional flexible shaft, and the transmission efficiency and service life have not been improved.

[0008] In summary, the existing multi-degree-of-freedom manipulating robot still has not solved the above-mentioned technical problems, and no description or report of a similar technology to the present invention has been found, nor has similar information at home and abroad been collected yet.

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