Automatic lock release mechanism with limit function and lock release operation method
A technology of automatic locking and releasing mechanism, applied in the field of mechanical engineering, can solve the problems of unsuitable locking and releasing on rails, cannot be reused, and high power consumption cost, and achieves convenient and flexible installation and use, simple configuration, and high performance. The effect of low consumption and resource occupancy
Active Publication Date: 2021-05-28
TECH & ENG CENT FOR SPACE UTILIZATION CHINESE ACAD OF SCI
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Problems solved by technology
However, for the explosive bolt release mechanism and the Kevlar fuse release mechanism, it is a one-time release mechanism and cannot be reused; while the shape memory alloy drive release mechanism and the motor drive release mechanism based on the principle of the four-bar mechanism have complicated mechanisms. , size, weight, power consumption and high cost are not suitable for solving the on-orbit locking and releasing problems required by microgravity active vibration isolation technology
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[0028] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0029] The invention provides an automatic locking and releasing mechanism with a position limiting function, which can solve the problem of repeated locking and releasing on the rail between the vibration isolation object and the vibration isolation device of the space microgravity active vibration isolation technology. The automatic activity space of the vibration isolation object is limited within a limited range to prevent the phenomenon that the vibration isolation object leaves the working area of the electromagnetic actuator and causes the failure of the closed-l...
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The invention provides an automatic locking and releasing mechanism with a limit function and a locking and releasing operation method. The mechanism includes: a stepping motor, a lead screw, a locking guide rod, a guide sleeve, a locking end cover and a locking passive end The bottom surface of the locking passive end is that the locking bottom surface is a flat surface, and a conical hole is opened in the center of the locking bottom surface of the locking passive end, and the locking bottom surface of the locking passive end passes through the conical hole and is sleeved at The outer surface of the locking guide rod; the outer peripheral surface of the locking end cover is a tapered surface matched with the tapered hole; the locking passive end is used for fixing with the bottom surface of the vibration isolation object. The advantages are: the automatic locking and releasing mechanism provided by the present invention with the limiting function has the advantages of simple configuration, convenient processing, reusability, safe and reliable movement of the mechanism, moderate locking force, and small size, weight, power consumption and occupied resources. It is convenient and flexible to install and use, and is very suitable for the field of on-rail locking and releasing in the microgravity active vibration isolation technology.
Description
technical field [0001] The invention belongs to the technical field of mechanical engineering, and in particular relates to an automatic locking and releasing mechanism with a position limiting function and a locking and releasing operation method. Background technique [0002] There are various spatial locking release mechanisms in the prior art, such as explosive bolt release mechanisms, release mechanisms with Kevlar fuses, shape memory alloy drive release mechanisms, and motor-driven release mechanisms based on the four-bar mechanism principle. However, for the explosive bolt release mechanism and the Kevlar fuse release mechanism, it is a one-time release mechanism and cannot be reused; while the shape memory alloy drive release mechanism and the motor drive release mechanism based on the principle of the four-bar mechanism have complicated mechanisms. , size, weight, power consumption, and high cost are not suitable for solving the on-orbit locking and releasing proble...
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IPC IPC(8): B64G1/64
CPCB64G1/64
Inventor 李宗峰马越峤冯振华张永康卓志钦
Owner TECH & ENG CENT FOR SPACE UTILIZATION CHINESE ACAD OF SCI