A variable configuration module single motor drive connection device

Abstract

The invention relates to a connecting device driven by a single motor for variable configuration-type modules for the purpose of solving the problem that variable configuration-type spacecraft modules are connected. Generally, a variable configuration-type spacecraft module has multiple surfaces. According to the task requirement, any two surfaces may be connected as needed. The invention brings forward a device which is controlled by the single motor and occupies little space such that any surface of one variable configuration-type spacecraft module can be connected and locked with the objective of solving the connection problem of the variable configuration-type modules by preventing a finite control unit and limited installation space. The connecting device driven by the single motor for variable configuration-type modules has following beneficial effects: by means of a simple mechanical transmission structure, a sensor and a same-shaped different-structured layout, the connecting device is installed on a module surface in need of connection so that any two modules can be connected by means of the connecting device; a male-female-shaped technical scheme is avoided; and characteristic of small size, few actuators, low power dissipation and high redundancy rate are obtained.

Description

technical field [0001] The invention relates to the technical field of space docking, and is used for a module connecting device of a space vehicle with a variable configuration Background technique [0002] First of all, with the rapid development of science and technology, the number, level and capabilities of space systems have been continuously improved, and space operations have become increasingly complex and diverse. With the increase in the number and quality of subsystems and payloads, the configuration of the original huge spacecraft is becoming more and more complex and diverse. Most of the payloads put forward more requirements on the overall configuration in order to meet the needs of realizing the predetermined functions (such as: star-sensitive The instrument, shape measurement subsystem, manipulator, connection mechanism, weapon load, etc. are all required to be installed on the +X surface of the spacecraft design, etc.). However, traditional mission-oriente...

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Problems solved by technology

However, traditional mission-oriented spacecraft have a single configuration, limited payload installation area, and low space utilization, which severely restricts the expansion of the spacecraft’s on-orbit mission space. Change the attitude and position of the applied load, realize different arrays of spaceborne loads, and modularize the design of spacecraft with variable configurations

[0003] Secondly, the variable configuration spacecraft generally adopts a modular design, which consists of the same modules to form a complex configuration. Not only can the relative position of the variable configuration spacecraft be changed, but also the disconnection and connection can be completed independently. The existing connection devices include electromagnetic connection, mechanical connection, etc. The electromagnetic connection method is to wind a coil on the iron core, control the on-off of the current, and control the magnetism of the connection mechanism, and an iron block is installed at the corresponding position of the target module. , so as to achieve the attraction and release of the target. In order to ensure that the target is within the range of the magnetic field, this method requires the iron core and current of the device to be large enough, which will increase the weight and power consumption of the entire device

[0004] Third, the existing mechanical connection devices include screw-in type, etc. The screw-in type requires a relatively large axial length of the device, which will occupy valuable space inside the modular spacecraft, so the design scheme requires that space should be saved as much as possible

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