Sealed small low-impact release screw bolt
A technology of unlocking bolts and low impact is applied in the field of pyrotechnic connection and separation devices, which can solve the problems of weak sealing, large separation impact, unsatisfactory structural size and bearing capacity, etc., and achieves low impact, strong connection and good application prospects. Effect
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[0012] (1) Select high-strength materials, and initially design a pyrotechnic unlocking bolt separation device; under the premise of ensuring the connection strength of a single device is more than 12kN, based on the optimization design idea, the Matlab program compiled by ourselves is used to determine the size of each component. and the number to be gradually optimized. According to the optimization results, three metal wedges distributed in the circumferential direction of 1200 are used as the connection mechanism between the outer cylinder and the inner cylinder. Miniaturization of the device. (2) By embedding the double O-ring sealing baffle in the device, before the device of the present invention is separated, the piston and the double O-ring sealing baffle contact and cooperate; after separation, the piston is separated from the outer cylinder, and the double O-ring sealing baffle Being stuck inside the outer cylinder, the driving gas generated by the electric detonat...
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