Curved-type heavy loading force structure for liquid rocket propulsion system test

• Main Authors: SHEN BINGMEI, LI MAO, WANG JIANYU, KONG FANCHAO, LIU RUIMIN, BU YU, XIANG HUI, LI PEICHANG
• Format: Patent
• Language: English
• Published: 04.11.2015
• Subjects: MEASURING; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR

The invention discloses a curved-type heavy loading force structure for liquid rocket propulsion system test, which is composed of four supporting legs and an annular center, wherein the annular center is connected with a product; and the four supporting legs are connected with a force bearing foundation. The structure of the invention has the beneficial effects that through arranging a curved-type beam structure, a force bearing ring can meet demands on the height difference between a product butt joint height and a pivot. As the structural form with four straight legs and the annular center is adopted, the structure is linearly concise and attractive, and the stress is uniformly distributed. Steel plates of different thicknesses are adopted for constructing a box-type structure, loading capacity demands of hundreds of tons can be met, and weight loss can be realized. High-strength bolts with a long screw structure are adopted for axial fastening, and close match between force bearing pins and pin holes is adopted for bearing transverse load and eliminating transverse displacement. In different conditions, multiple technological methods such as machine tool matching and hitting, magnetic drill matching and hitting, and drill die matching and hitting are used, and high-precision assembly of a large structural component is realized.