Roller type mechanical torque limiter

Abstract

The invention discloses a roller type mechanical torque limiter, belonging to the field of mechanical torque limiters. The roller type mechanical torque limiter is internally provided with an overrunning roller clutch mechanism with an inner star wheel and is characterized in that solid parts near contact parts between the inner star wheel 1 in the overrunning roller clutch mechanism with the inner star wheel and a plurality of rollers 3 are respectively manufactured into stepped rectangular roller cushion blocks 5, which are separated from the inner star wheel 1 and can move in a constrained way along the radial direction of the inner star wheel 1 under the action of elastic force, and main spring mechanisms 6, which can enable the roller cushion blocks 5 to move towards the direction in which the rollers 3 can be compressed between the roller cushion blocks 5 and outer rings 2, are arranged between the roller cushion blocks 5 and the inner star wheel 1.

Description

1. Technical field [0001] The invention relates to a roller type mechanical torque limiter belonging to the field of mechanical torque limiters. 2. Background technology [0002] We know that in the field of mechanical transmission, the mechanical torque limiter is a very important component. Its main function is to limit the peak load of the mechanical system to filter out the load during operation, and to protect the equipment from overload. Once the equipment is overloaded during the working process, the mechanism will prevent the mechanical equipment from being strongly impacted by frictional slipping. This mechanism can also be understood as a safety clutch, which means that the equipment is under normal load conditions and the mechanism is combined. In the case of equipment overload, the mechanism will filter out the peak load that occurs in the form of friction and slippage. [0003] At present, there are many types of traditional mechanical torque limiters, such as ...

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Problems solved by technology

Since the low secondary friction is mainly surface friction, the frictional heat generated during the working process affects the service life of the product and the time allowed for frictional slippage when overloaded to a certain extent. Therefore, most traditional mechanical torque limiters allow The overload slipping time of the motor is relatively short, that is, once the torque limiter slips under overload, the system should take timely measures. Generally, the power source is turned off or disengaged in time, otherwise it is easy to make the mechanical limiter slip. Torquers are damaged by overheating, so this is somewhat inconvenient

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