Ball head connection simulation assembly and bundled rocket scale model wind load test device
A technology for simulating components and ball heads, which is applied in the fields of ball-connection simulation components and wind-load test devices of bundled rocket scale models, can solve problems such as high cost, time-consuming and labor-intensive, and achieve the effect of solving time-consuming and labor-intensive problems.
Active Publication Date: 2021-12-31
BEIJING INST OF STRUCTURE & ENVIRONMENT ENG
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[0003]
The invention provides a ball joint connection simulation component and a wind load test device for a scaled model of a bound rocket. The problem
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[0023] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0024] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
[0025] For the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encomp...
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The invention provides a ball head connection simulation assembly and a bundled rocket scale model wind load test device, a first end of the ball head connection simulation assembly is connected with a central core level of a rocket, a second end of the ball head connection simulation assembly is connected with a booster, the ball head connection simulation assembly comprises a spherical bolt, the spherical bolt comprises a screw rod and a connecting disc, the connecting disc is located in the middle of the screw rod, and the central axis of the screw rod coincides with the central axis of the connecting disc. The side, facing the first end of the ball head connection simulation assembly, of the connecting disc is a spherical concave surface. The assembly also comprises a ball bowl which comprises a ball bowl body and a connecting part, the connecting part is connected to the ball bowl body, the ball bowl body is at least partially located in the spherical concave surface in a manner of being matched with the spherical concave surface, a through hole is formed in the center of the ball bowl body, the screw rod is arranged in the through hole in a penetrating manner, and the first end of the screw rod is connected with the nut and / or the second end of the screw rod is connected with the nut. According to the invention, the problems that time and labor are wasted and the cost is relatively high when the middle core level and the boosting module in the binding rocket scale model are connected in the prior art are solved.
Description
technical field [0001] The invention relates to the technical field of rocket devices, in particular to a ball joint connection simulation component and a wind load test device for a scaled model of a bundled rocket. Background technique [0002] The wind load is the main design load of the rocket body structure, especially the tail structure. The study of the rocket's ground wind load is of great significance for both structural design and flight control system design. Since the ground wind-induced load response is unsteady lift induced by shedding vortex, and is strongly affected by small-scale protrusions on the surface of the rocket body, it is difficult to obtain appropriate load design conditions through theoretical analysis of the flow field and estimation of engineering experience. The load conditions do not have a basis for borrowing. The ground test is used to determine the vertical wind load in the project, and most models use the wind tunnel test results of the s...
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IPC IPC(8): G01M9/02G01M9/04G01M9/08
CPCG01M9/02G01M9/04G01M9/08Y02E30/30
Inventor 张冬梅梁吉鹏马斌捷朱晶晶崔高伟刘思宏李双王帅洪良友张伟
Owner BEIJING INST OF STRUCTURE & ENVIRONMENT ENG