The invention provides a linear locking device with adjustable pre-tightening force and a locking method, and belongs to the technical field of locking devices.The linear locking device with the adjustable pre-tightening force comprises a connecting piece, a to-be-locked unit, a base, stacked piezoelectric ceramics, a locking unit, an adjusting unit, a linear guide rail, a supporting column, a flexible structure, a pressing arm and a flexible hinge; the locking device is small in structural size and high in reliability, the piezoelectric ceramic is used as a driving source to achieve the microminiaturization design of the locking device, the pretightening force is adjusted through the adjusting unit, the pressing arm is used for clamping the connecting piece to achieve the clamping function, and the device is unlocked and locked by means of the characteristics that the piezoelectric ceramic deforms after being powered on and recovers after being powered off. And a linear guide rail is arranged below the to-be-locked unit connected with the connecting piece, so that the clamping function of the connecting piece is further converted into the linear locking function of the to-be-locked unit.
本发明提供了一种可调预紧力的直线锁紧装置及锁紧方法,属于锁紧装置技术领域,可调预紧力的直线锁紧装置包括连接件、待锁紧单元、基座、堆叠式压电陶瓷、锁止单元、调节单元、直线导轨、支柱、柔性结构、压臂以及柔性铰链,锁紧装置结构尺寸小,可靠性高,利用压电陶瓷作为驱动源可以实现锁紧装置的微型化设计,通过调节单元进行预紧力的调节,使用压臂夹持连接件实现夹紧功能,利用压电陶瓷通电发生形变,失电恢复原状的特点实现装置的解锁和锁紧,使装置重复锁紧利用,在与连接件连接的待锁紧单元下方设置直线导轨,把对于连接件的夹紧进一步转化为对待锁紧单元的直线锁紧功能。
Linear locking device with adjustable pre-tightening force and locking method
一种可调预紧力的直线锁紧装置及锁紧方法
2024-04-12
Patent
Electronic Resource
Chinese
IPC: | B64G Raumfahrt , COSMONAUTICS |
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