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Four point synchronous hydraulic loading device for spacecraft docking

A technology of hydraulic loading and spacecraft, applied in the direction of hand-held tools, manufacturing tools, etc.

Inactive Publication Date: 2018-08-17
BEIJING INST OF SPACECRAFT ENVIRONMENT ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this large load that needs to be applied synchronously cannot be achieved by manpower through torque wrenches in sequence

Method used

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  • Four point synchronous hydraulic loading device for spacecraft docking
  • Four point synchronous hydraulic loading device for spacecraft docking
  • Four point synchronous hydraulic loading device for spacecraft docking

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Embodiment Construction

[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings, but this is only exemplary and not intended to limit the protection scope of the present invention.

[0019] see figure 1 , figure 1 A schematic structural diagram of a connection unlocking mechanism for docking a spacecraft in the prior art is shown. Among them, the connecting and unlocking mechanism for docking of a single spacecraft is mainly composed of four parts, including component 1 installed on the side of the separated spacecraft, component 2 installed on the side of the separated spacecraft, connecting bolts 3 and pre-tightening nuts 4 . After the docking of the spacecraft is completed, the connecting bolt 3 first passes through the center of the component 2 and is connected with the component 1 in place to form an integral body, and the pre-tightening nut 4 is installed on the connecting bolt 3 and tightened until it fits with the component 2 . In...

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Abstract

The invention discloses a four point synchronous hydraulic loading device for spacecraft docking. The four point synchronous hydraulic loading device for spacecraft docking comprises four hydraulic loading device handheld units; each handheld unit is composed of a supporting base, a hydraulic oil cylinder, a pressure sensor, a spherical pad, a pulling rod, a torque spanner assembly, an oil pipe, apressure sensor cable, a hydraulic handle and a data display terminal; the hydraulic handles are operated, oil way distributor valves are adjusted, and four pulling rods connected with connection bolts of between-device connection unlocking mechanisms are synchronously, uniformly and continuously stretched through the four hydraulic oil cylinders; and the pressure sensors are used for monitoringapplied loading load, special moment of force is applied for pre-tightening nuts, and loading operation of the pre-tightening force of the connection bolts is completed. The four point synchronous hydraulic loading device for spacecraft docking effectively meets the requirement of four point synchronous loading of large load pre-tightening force, and the large load synchronous pre-tightening assembling requirement of the four between-device connection unlocking mechanisms is met.

Description

technical field [0001] The invention belongs to the technical field of spacecraft assembly, and specifically relates to a device capable of synchronously loading large-load pre-tightening force hydraulic loading on the connection unlocking mechanism (pyrotechnic device) between four spacecraft docking devices. The bolts are stretched with a large load synchronously, and then the pre-tightening nuts are locked with a small torque, which can realize the synchronous elastic elongation of the four connecting bolts, and effectively solve the assembly requirements of the large-load synchronous pre-tightening of the inter-device connection unlocking mechanism. Background technique [0002] With the continuous development of spacecraft exploration missions, especially the mission requirements of deep space exploration spacecraft, more and more spacecraft have adopted a multi-chamber design, and the docking of spacecraft is often connected through multiple inter-device connection unlo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B27/02
CPCB25B27/026
Inventor 陈启威郑圣余冯伟杨旺王临政唐赖颖易旺民张丽丽彭国华张秀红孟醒王朝悦
Owner BEIJING INST OF SPACECRAFT ENVIRONMENT ENG
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