Guide limiting structure
A technology of limiting structure and guiding structure, which is applied in the direction of mechanical equipment and fixing devices, can solve the problems of low positioning accuracy and insufficient traction, and achieve the effect of improving installation accuracy and installation efficiency
Active Publication Date: 2020-07-17
BEIJING AEROSPACE TECH INST
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Problems solved by technology
[0003] The invention provides a guiding and limiting structure, which can solve the technical problems of low positioning accuracy and insufficient traction in the installation process of large and complex structures in the prior art
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[0025] 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 following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0026] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit t...
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The invention provides a guide limiting structure. The structure comprises a guide limiting guide rail device, an ejector block, a locking part and an ejector rod, wherein the guide limiting guide rail device comprises a bottom plate and a guide limiting guide rail arranged on the bottom plate, the guide limiting guide rail is provided with a guide groove, a threaded hole is formed in one end of the guide groove, a positioning interface is arranged on the bottom plate, the ejector block is arranged in the guide groove, a first through hole is formed in the side, close to the threaded hole, ofthe ejector block, a connecting hole for connecting a guided structure and a second through hole communicating with the first through hole are formed in the side, consistent with the opening directionof the guide groove, of the ejector block, the ejector rod sequentially penetrates through the threaded hole and the first through hole, a thread is arranged on the ejector rod, and the ejector blockis driven to slide in the guide groove by rotating the ejector rod. According to the structure, through cooperation of the ejector block and the ejector rod, large moving traction force is provided for the guided structure, and the high-precision positioning of the guided structure is achieved.
Description
technical field [0001] The invention relates to the technical field of mechanical structures, in particular to a guiding and limiting structure. Background technique [0002] In the field of aircraft technology, the installation of large and complex structures represented by engines has the characteristics of long installation paths and high installation accuracy requirements. Especially at the end of the installation stroke, since the matching gap between the engine structure and the projectile structure becomes smaller, a larger traction force is required to push the engine to move. Therefore, the end of the engine installation stroke is faced with relatively large problems of high-precision positioning and mobile traction. Contents of the invention [0003] The invention provides a guiding and limiting structure, which can solve the technical problems of low positioning accuracy and insufficient traction force in the installation process of large and complex structures...
Claims
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IPC IPC(8): F16B1/00
CPCF16B1/00F16B2200/99
Inventor 霍浩亮罗俊航张博昌蔡逸如吴蓓蓓李奥张珊解建恒
Owner BEIJING AEROSPACE TECH INST