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Pre-tensioning device and pre-tensioning method for steel belts

A steel belt and plug-in technology, which is 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, so as to achieve the overall small size, compact structure, and occupation small size effect

Active Publication Date: 2020-03-13
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 volume, and not suitable for multi-layer steel belt pretensioning, the present invention further proposes a steel belt pretensioning device and a pretensioning method

Method used

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  • Pre-tensioning device and pre-tensioning method for steel belts
  • Pre-tensioning device and pre-tensioning method for steel belts
  • Pre-tensioning device and pre-tensioning method for steel belts

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specific Embodiment approach 1

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

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

specific Embodiment approach 2

[0024] Specific implementation manner two: combination Figure 1 to Figure 5 To explain this embodiment, the outer end surface of the fourth pressing plate 3-9 and the wall of the wedge groove 3-7-1 is an inclined surface, and the inclination direction of the inclined surface is the same as that of the groove wall of the wedge groove 3-7-1. Consistent. The technical features not disclosed in this embodiment are the same as those in the first embodiment.

[0025] In this design, the inclined surface of the fourth pressure plate 3-9 is matched with the groove wall of the wedge groove 3-7-1 to prevent the stress concentration phenomenon of the fourth pressure plate 3-9.

specific Embodiment approach 3

[0026] Specific implementation mode three: combination figure 1 To illustrate this embodiment, the outer circumferential side wall of the steel pulley A1 described in this embodiment is provided with a groove A1-1 along the circumferential direction, one end of the steel belt assembly 3 is clamped in the groove A1-1, and the steel pulley The outer circumferential side wall of B2 is provided with a groove B2-1 along the circumferential direction, and the other end of the steel belt assembly 3 is clamped in the groove B2-1. The technical features not disclosed in this embodiment are the same as those in the first or second embodiment.

[0027] This design is so as to realize the axial positioning between the steel belt assembly 3 and the steel belt wheel A1 and the steel belt wheel B2.

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Abstract

The invention provides a pre-tensioning device and pre-tensioning method for steel belts, and relates to the technical field of robots. The invention aims to solve the problems that a current robot steel belt pre-tensioning device is not compact in structure, larger in volume, and not suitable for multi-layer steel belt pre-tensioning. The pre-tensioning device includes a steel belt pulley A, a steel belt pulley B, a steel belt component, a first fastening bolt and a second fastening bolt; and one end of the steel belt component is fixedly connected to the outer circumferential side wall of the steel belt pulley A through the first fastening bolt, and the other end of the steel belt component is fixedly connected to the outer circumferential side wall of the steel belt pulley B through thesecond fastening bolt. The pre-tensioning method comprises the following steps: pre-processing, assembling of the steel belt component, fixing of the steel belt component, and pre-tensioning of the steel belt component. The device and method provided by the invention are used for medical robots and industrial robots.

Description

Technical field [0001] The invention relates to the technical field of robots, in particular to a steel belt pretensioning device and a pretensioning method. Background technique [0002] In the fields of medical robots, industrial robots and other fields, the steel belt transmission method is pre-tensioned. Compared with the synchronous belt flexible transmission method, the steel belt transmission method has higher rigidity and higher transmission accuracy, so it is increasingly used in the field of robot transmission. The commonly used steel belt pre-tightening method is similar to the synchronous belt pre-tightening method, that is, changing the center distance or the tension pulley method, but both methods have their limitations. Changing the center distance is difficult to apply in robot transmission, because some robot motion joint parameters are determined, and the center distance cannot be changed. Even if some special designs enable it to adjust the center distance, it ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16G1/20
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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