Parallel power distribution method for transfer coupling mechanical fingers

By adopting the parallel power distribution method of the split coupling robot finger in the dexterous hand design, the power is distributed to the proximal and midsection phalanx by using the transfer coupling device, the problem of coupling drive reducing the flexibility of the finger is solved, and higher flexibility and control performance are achieved.

CN119681941APending Publication Date: 2025-03-25XIAN LINFENG ROBOT TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202510090505.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2025-03-25

AI Technical Summary

Technical Problem

In a clever hand design, coupled drive reduces flexible control performance for fingers.

Method used

The parallel power distribution method of the transfer coupled mechanical finger is adopted, including the main drive device, the force distribution drive device, the proximal phalanx and the distributive coupling device. The power is distributed to the proximal phalanx and the mid-section phalanx through the transfer coupling device, thereby improving the flexible control performance of the finger.

Benefits of technology

Improves the flexibility and control performance of dexterous hands and fingers, and solves the problem of reduced flexibility caused by coupled drives.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119681941A_ABST
    Figure CN119681941A_ABST
Patent Text Reader

Abstract

The invention relates to a transfer coupling mechanical finger parallel power distribution method. Comprising a metacarpal bone, a main driving device, a strength distribution driving device, a proximal bone finger, a transfer coupling device located on the proximal bone finger and a middle bone finger. The main driving device and the force distribution driving device are arranged on the metacarpal bone, and the transfer coupling device located on the proximal phalanx is arranged on the proximal phalanx. The metacarpal bone is connected with the proximal bone finger, and the proximal bone finger is connected with the middle bone finger. The strength distribution driving device drives the proximal joint bone finger, the main driving device drives the transfer coupling device located on the proximal joint bone finger, the transfer coupling device located on the proximal joint bone finger can drive the proximal joint bone finger, and the transfer coupling device located on the proximal joint bone finger can also drive the middle joint bone finger. The force distribution driving device can distribute force to the proximal joint bone fingers and the middle joint bone fingers.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention belongs to a method for distributing driving force of a bionic mechanical dexterous hand with a split-motion coupled mechanical finger. Background Art

[0002] In the design of dexterous hands, coupled driving reduces the flexible control performance of fingers. The present invention is to solve this defect. Summary of the invention

[0003] Aiming at the defect that the coupled drive reduces the flexible control performance of fingers, the present invention provides a parallel power distribution method for split-drive coupled mechanical fingers.

[0004] The invention comprises: a metacarpal bone, a main driving device, a force distribution driving device, a proximal phalanx, a distribution coupling device located on the proximal phalanx, and a middle phalanx.

[0005] The specific implementation method is as follows.

[0006] like【 Figure 2 The main drive device and the force distribution drive device are arranged on the metacarpal bone, and the split coupling device located on the proximal phalanx is arranged on the proximal phalanx. The metacarpal bone is connected to the proximal phalanx, and the proximal phalanx is connected to the middle phalanx. Figure 1 The force distribution driving device drives the proximal phalanx, the main driving device drives the transfer coupling device located on the proximal phalanx, the transfer coupling device located on the proximal phalanx can drive the proximal phalanx, and the transfer coupling device located on the proximal phalanx can also drive the middle phalanx.

[0007] Here's how it works.

[0008] When the force distribution driving device drives the proximal phalanx, the main driving device drives the transfer coupling device located on the proximal phalanx, and then the transfer coupling device located on the proximal phalanx distributes power to the proximal phalanx; when the force distribution driving device does not drive the proximal phalanx, the main driving device drives the transfer coupling device located on the proximal phalanx, and then the transfer coupling device located on the proximal phalanx distributes power to the middle phalanx. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 The diagram is driven by the principle of force distribution. Figure 2 A diagram showing the relationships between the various parts.

[0009] The above is the complete description of this patent.

Claims

1. The present invention includes a metacarpal bone, a main drive device, a force distribution drive device, a proximal phalanx, a transfer coupling device located on the proximal phalanx, and a middle phalanx. The main drive device and the force distribution drive device are arranged on the metacarpal bone, and the transfer coupling device located on the proximal phalanx is arranged on the proximal phalanx. The metacarpal bone is connected to the proximal phalanx, and the proximal phalanx is connected to the middle phalanx. The force distribution drive device drives the proximal phalanx, and the main drive device drives the transfer coupling device located on the proximal phalanx. The transfer coupling device located on the proximal phalanx can drive the proximal phalanx, and the transfer coupling device located on the proximal phalanx can also drive the middle phalanx. The present invention is used for the index finger, middle finger, ring finger, little finger, and thumb of a mechanical bionic dexterous hand.

2. When the force distribution driving device drives the proximal phalanx, the main driving device drives the transfer coupling device located on the proximal phalanx, and then the transfer coupling device located on the proximal phalanx distributes power to the proximal phalanx; when the force distribution driving device does not drive the proximal phalanx, the main driving device drives the transfer coupling device located on the proximal phalanx, and then the transfer coupling device located on the proximal phalanx distributes power to the middle phalanx.