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A kind of steel belt pretensioning method

A steel belt and grooved technology, applied in the field of robots, can solve the problems of large volume, unsuitable multi-layer steel belt pretensioning, and uncompact structure of the robot steel belt pretensioning device, and achieves small size, compact structure, and occupied volume. small effect

Active Publication Date: 2021-08-17
杭州唯精医疗机器人有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems that the existing robot steel belt pretensioning device is not compact in structure, large in size, and unsuitable for multi-layer steel belt pretensioning, the present invention further proposes a steel belt pretensioning method

Method used

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  • A kind of steel belt pretensioning method
  • A kind of steel belt pretensioning method
  • A kind of steel belt pretensioning method

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specific Embodiment approach 1

[0022] Specific implementation mode one: combine Figure 1 to Figure 5 To illustrate this embodiment, a steel belt pretensioning device described in this embodiment includes a steel belt pulley A1, a steel belt pulley B2, a steel belt assembly 3, a first fastening screw 4 and a second fastening screw 5, and the steel belt assembly One end of 3 is fixed on the outer peripheral side wall of the steel belt pulley A1 through the first fastening screw 4, and the other end of the steel belt assembly 3 is fixed on the outer peripheral side wall of the steel belt pulley B2 through the second fastening screw 5 superior;

[0023] The steel belt assembly 3 includes a first pressing plate 3-1, a first cylindrical pin 3-2, a second pressing plate 3-3, a second cylindrical pin 3-5, a third pressing plate 3-6, a wedge-shaped pressing plate 3-7 and a fourth Pressing plate 3-9, one end of the steel strip 3-4 is fixedly connected between the first pressing plate 3-1 and the second pressing pla...

specific Embodiment approach 2

[0024] Specific implementation mode two: combination Figure 1 to Figure 5 To illustrate this embodiment, the outer end surface of the fourth pressure plate 3-9 in this embodiment that cooperates with the groove wall of the wedge-shaped groove 3-7-1 is an inclined plane, and the inclined direction of the inclined surface is the same as the inclined direction of the groove wall of the wedge-shaped groove 3-7-1. unanimous. The undisclosed technical features in this embodiment are the same as those in the first embodiment.

[0025] Such a design makes the inclined surface of the fourth pressing plate 3-9 cooperate with the groove wall of the wedge-shaped groove 3-7-1, so as to prevent stress concentration on the fourth pressing plate 3-9.

specific Embodiment approach 3

[0026] Specific implementation mode three: combination figure 1 To illustrate this embodiment, the outer peripheral side wall of the steel belt pulley A1 described in this embodiment is provided with a belt groove A1-1 along the circumferential direction, and one end of the steel belt assembly 3 is clamped in the belt groove A1-1, and the steel belt pulley The outer peripheral side wall of B2 is provided with a belt groove B2-1 along the circumferential direction, and the other end of the steel belt assembly 3 is clamped in the belt groove B2-1. The undisclosed technical features in this embodiment are the same as those in the first or second specific embodiment.

[0027] It is designed in this way to facilitate the axial positioning between the steel belt assembly 3 and the steel pulley A1 and the steel pulley B2.

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Abstract

A steel belt pretensioning method relates to the technical field of robots. The invention aims to solve the problems that the existing robot steel strip pretensioning device is not compact in structure, large in size and unsuitable for multilayer steel strip pretensioning. The pretensioning device includes a steel belt pulley A, a steel belt pulley B, a steel belt assembly, a first fastening bolt and a second fastening bolt, and one end of the steel belt assembly is fixed on the outer surface of the steel belt pulley A through the first fastening bolt. On the peripheral side wall, the other end of the steel belt assembly is fixed on the outer peripheral side wall of the steel belt pulley B through the second fastening bolt. Pre-tightening method: pre-processing; assembling steel belt components; fixing steel belt components; pre-tightening steel belt components. The present invention is used in medical robots, industrial robots and the like.

Description

technical field [0001] The invention relates to the technical field of robots, in particular to a steel strip pretensioning method. Background technique [0002] In the fields of medical robots and industrial robots, the steel belt transmission mode is pre-tensioned. Compared with the flexible transmission mode of the synchronous belt, the steel belt transmission mode has higher rigidity and higher transmission accuracy, so it is more and more used in the field of robot transmission. The commonly used steel belt pretension method is similar to the synchronous belt pretension method, that is, the method of changing the center distance or the tension wheel method, but these two methods have their limitations. Changing the center distance is difficult to apply in robot transmission, because some motion joint parameters of the robot are fixed, and the center distance cannot be changed. Even if the center distance can be adjusted through some special designs, it is easy to make t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H7/08F16H19/02B25J9/02F16G1/20
CPCF16G1/20
Inventor 付宜利潘博
Owner 杭州唯精医疗机器人有限公司
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