Solid rocket engine head body separation test device

Abstract

The invention provides a solid rocket engine head body separation test device which comprises an arc plate, a panel, a wire outlet hole, a rib plate, a connecting rod and a cross beam. The diameter of the arc plate is consistent with the diameter of a shell at the allowable force bearing position of an engine, and a plurality of connecting holes are formed in the side wall of the arc plate and used for being fixedly connected with the allowable force bearing position of the engine. Panels in the radial direction of the arc plate are fixed in the middle of the arc plate, a wire outlet hole is formed between the two panels, and a cable for testing penetrates out of the wire outlet hole; the outer sides of the two panels are reinforced through rib plates; a cross beam is fixed at the bottom of the panel along the axial direction of the arc plate, and the cross beam is arranged above the whole mass center of the test device; a plurality of lifting holes are formed in the cross beam; the outer side of the top is fixedly connected with the top of the panel through a connecting rod to form a triangular fixing structure. According to the invention, a cantilever lifting appliance single-point lifting thought is used, the whole system can be lifted and suspended at a position deviating from the center of mass, and the system is closer to the actual use condition.

Description

technical field [0001] The invention relates to a head-body separation test device of a solid rocket motor, which belongs to the technical field of head-body separation tests of a solid rocket motor. Background technique [0002] As an important test type, the head-body separation test is of great significance to the separation process of the warhead and the engine and the trajectory research after the test. This test can verify the correctness of the design of the head-body separation system, verify the coordination and matching of the separation system according to the predetermined time sequence, obtain the mechanical environment parameters of the separation process, obtain the separation motion parameters, verify whether the separation gap meets the requirements, and verify the guidance of the guide device. Functional correctness, and provide a test basis for further modification and improvement of the calculation model. [0003] In previous head-to-body separation test...

AI Technical Summary

Problems solved by technology

[0003] In previous head-to-body separation tests, a single-point hoist was used at the center of mass, the entire system was suspended, and then the separation test was carried out according to the time sequence. However, in a certain type of equipment, such as figure 1 As shown, due to the particularity of the test piece, it is impossible to lift at the center of mass of the whole test piece. The distance between the load-bearing position of the whole test piece (at A) and the center of mass of the whole test piece is more than 1700mm, which belongs to a large distance deviation, and requires single-point lifting and separate test device ( spreader) mass shall not exceed 150kg

None of the lifting separation test devices in the existing head-body separation test can meet the requirements

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