Locking ring pressing tool
A technology of locking ring and tooling, applied in the direction of manufacturing tools, hand-held tools, etc., can solve the problems of complicated operation and so on
Active Publication Date: 2021-03-19
AECC COMML AIRCRAFT ENGINE CO LTD
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
However, the inventors have found that tools such as locking pliers are limited by the number and position of the locking grooves on the compression nut when in use. For the locking grooves at multiple different circumferential positions in the locking nut, it is often necessary to repeatedly Compression after disassembly and installation, complicated operation
Method used
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[0026] A variety of different implementations or examples for implementing the described subject technical solutions are disclosed below. In order to simplify the disclosure, the following describes the specific examples of each element and arrangement, and of course, these are only examples, and are not intended to limit the protection scope of the present application. For example, the description that the first feature described later in the description is formed on or above the second feature may include an embodiment in which the first and second features are formed through direct contact, and may also include an embodiment in which the first and second features are formed between the first and second features. Embodiments of additional features such that there may be no direct relationship between the first and second features. Additionally, reference numerals and / or letters may be repeated in different instances in these disclosures. This repetition is for brevity and c...
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One purpose of the invention is to provide a lock ring pressing tool. The lock ring pressing tool can press any position of a lock ring in the circumferential direction. In order to achieve the purpose, the lock ring pressing tool is used for pressing the lock ring on a pressing nut, and locking groove used for allowing the lock ring to be pressed in are formed in the end face of the pressing nut.The lock ring pressing tool comprises a base and a pressing rod piece, wherein the base is provided with an inner ring part and an outer ring part, the inner ring part is fixed to the shaft end of arotating shaft, and the outer ring part can rotate relative to the inner ring part; and the pressing rod piece is hinged to the outer ring part and provided with a force application end and an extrusion end, and when the pressing rod piece rotates with the hinged position as the center, the extrusion end can abut against the side wall of the periphery of the lock ring.
Description
technical field [0001] The invention relates to a locking ring pressing tool. Background technique [0002] The rotation of the aeroengine rotor is achieved through bearings, figure 1 A schematic cross-sectional view of the bearing inner ring in an assembled state. The bearing inner ring 8 is fixed on the rotating shaft 7 and is compressed and limited by a compression nut 9 . In order to prevent the compression nut 9 from loosening and causing the bearing to fail, a lock plate or a lock ring is usually used for locking. [0003] figure 2 It shows a schematic diagram of the lock ring and the bearing inner ring to be assembled. The bearing inner ring nut of the engine is locked by the "cup-shaped" lock ring 1 as shown in the figure, and the end surface of the compression nut 9 is provided with a locking groove 90. For locking ring 1 to press in. In the existing assembly process, usually after the compression nut 9 is tightened, the outer peripheral side wall of the lock r...
Claims
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IPC IPC(8): B25B27/02B25B27/06
CPCB25B27/02B25B27/06
Inventor 胡一廷陈栋权朱亮
Owner AECC COMML AIRCRAFT ENGINE CO LTD