A large range variable thrust dual-engine parallel pump engine frame and its preparation method
A technology with variable thrust and wide range, applied in the aerospace field, can solve the problems of large axial length, large axial dimension, and good opening of the complete engine, and achieve satisfactory positioning accuracy, large strength margin, and open performance Good results
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[0030] see Figure 1-7 A wide-range variable-thrust double-machine parallel pump engine frame, including a body frame 1 with a door-shaped symmetrical opening, load-bearing rods 2 respectively arranged at the lower ends of the four end corners of the body frame 1; each load-bearing rod 2 The end is provided with butt lugs 7; between each load-bearing rod 2 and the body frame 1 is also provided with an oblique strut 4; the load-bearing rod 2, the body frame 1, and the oblique strut 4 together form a triangular support structure; the body frame 1 Support rods 2 are respectively arranged between the load-bearing rods 2 on the left and right sides; the upper end of the front part of the body frame 1 is symmetrically provided with a turbo pump mounting support 6 for installing the engine turbo pump; the upper end of the rear part of the body frame 1 is symmetrically provided The regulator mounting support 5 for installing the regulator and the main valve; two through holes are symm...
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