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Torque-limited structure

A torque limiting and adjusting mechanism technology, which is applied in slip couplings, mechanical equipment, couplings, etc., can solve the problems of small transmission torque, limited torque, and high cost, and achieve uniform torque adjustment, easy torque adjustment, and structural simple effect

Active Publication Date: 2009-10-21
WUHAN ZHENGTONG TRANSMISSION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Torque limiting device that will not be damaged Because the structure and friction material are asbestos materials, the transmitted torque is limited, and when the overload torque is reset after slipping, the accuracy cannot be guaranteed due to the unevenness of the surface of the asbestos friction material; steel ball type The torque limiting coupling is limited in application due to its complex structure, small transmission torque and high cost.

Method used

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Embodiment Construction

[0032] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings, but they do not constitute a limitation to the present invention, and are only examples. At the same time, the advantages of the present invention will become clearer and easier to understand.

[0033] Referring to the accompanying drawings, it can be seen that the structure for torque limitation is characterized in that it includes an outer disc 1 with an inner conical surface, and an inner disc 4 with an outer conical surface that matches the outer disc 1. There is a spring groove 15 at one end of the inner disc 4, and the spring The groove 15 is in an annular structure, and the spring 5 is located in the spring groove 15, the pressure plate ring 6 is located outside the spring groove 15, and the inner mandrel 12 passes through the center of the outer disc 1, the inner disc 4 and the pressure plate ring 6, and the inner mandrel 12 One end is fix...

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Abstract

The invention relates to a torque-limited structure, which comprises an external cup (1) with an internal conical face and an internal cup (4) which is matched with the external cup (1) and provided with an external conical face, wherein one end of the internal cup (4) is provided with a spring groove (15) with an annular structure; a spring (5) is positioned in the spring groove (15); a pressure plate ring (6) is positioned on the outer side of the inside of the spring groove (15); and an internal central spindle (12) passes through the centers of the external cup (1), the internal cup (4) and the pressure plate ring (6). The torque-limited structure can be combined with various conventional couplers to form various overload protection modes with torque limitation and is widely applied to various kinds of mechanical equipment.

Description

technical field [0001] The invention relates to a structure for torque limitation, which is suitable for torque limitation in various mechanical power transmissions, namely the so-called overload protection function. Background technique [0002] Although the load of the existing machine is calculated or estimated during the design, there are often some unexpected situations in the actual operation, such as accidental impact, misoperation, etc., which will increase the actual load and damage the power transmission. device or other important parts. In order to prevent the overload damage of the machine, a torque limiting structure is set in the mechanical power transmission for overload safety protection, which is more and more widely used in modern mechanical equipment. [0003] The function of torque limit is to automatically cut off or limit the load value when the load is too large. If there is already a transmission part of the friction pair in the transmission chain (...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D7/02
Inventor 余晓锁
Owner WUHAN ZHENGTONG TRANSMISSION TECH
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