Constant force conduction device and straight connecting rod assembly thereof

Abstract

The invention aims to provide a constant force conduction device which comprises a force input end, a force output end, an upper force conduction piece, a first intermediate guiding device, a straightmoving connecting rod assembly, wherein the upper force conduction piece comprises a first upper force conduction piece and a second upper force conduction piece, one end of the first upper force conduction piece is connected to the force input end while the other end of the first upper force conduction piece is connected to a first end of the first intermediate guiding device, one end of the second upper force conduction piece is connected to a second end of the first intermediate guiding device while the other end of the second upper force conduction piece is connected to the output end, and one end of the straight moving connecting rod assembly is connected to the force input end while the other end of the straight moving connecting rod assembly is connected to the force output end. The constant force device is simple and compact in structure, high in respond speed, good in stability and high in reliability, can output a constant force in a single-direction inputting working condition and can be used in application occasions such as an end executor of a robot.

Description

technical field [0001] The present application relates to the field of force transmission, in particular to a constant force transmission device and a direct connecting rod assembly used therein. Background technique [0002] At present, when the end effector of the robot is in contact with the operation in an unknown environment, the sudden change of the force will often result from the sudden change of the position, thereby greatly reducing the interaction between the robot and the outside world, and the sudden change of the contact pressure will lead to the change of the material removal amount of the workpiece , affect the surface quality and even cause the workpiece to be scrapped, and the constant contact pressure plays a very important role in the quality of the surface processing. [0003] The constant force device refers to a device whose reaction force generated at the output end is approximately constant within a certain range of input motion. At present, the met...

AI Technical Summary

Problems solved by technology

However, the mechanisms designed by these methods often have problems such as large friction, complex systems, high costs, and complex assembly, which are difficult to meet diverse application requirements.

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