Assembly tooling of an elastic steel wire check ring
A technology for assembling tooling and elastic steel wire, which is applied in the direction of manufacturing tools, hand-held tools, etc., and can solve problems such as narrow application range
Inactive Publication Date: 2012-04-11
STATE GRID CORP OF CHINA +1
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Problems solved by technology
Therefore, the application range of the self-made steel wire retaining ring installation tool is relatively narrow, and it cannot be applied to the comparatively complicated situation of the outer surface structure of the workpiece.
Method used
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[0014] Such as figure 1 , figure 2 As shown, the elastic steel wire retaining ring assembly tooling of the present utility model is composed of a retaining sleeve 1 for supporting the retaining ring to be installed, one end of which is plugged with the retaining sleeve 1, and a conical transition short shaft 2 for expanding the retaining ring and connecting with the retaining ring. One end is coaxially press-fitted with the transition short shaft 2 to form a push sleeve 3 for clamping the retaining ring to keep the retaining ring in an expanded state. Wherein, a sleeve hole 11 is axially opened on the retaining sleeve 1, and the inner diameter of the sleeve hole 11 is larger than the inner diameter of the retaining ring 4 and smaller than the outer diameter of the retaining ring 4. 11 is a blind hole, and the length of the blind hole is equivalent to the length of the tapered section of the short axis of the tapered transition. A conical chamfer for the positioning of the r...
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The invention discloses an assembly tooling of an elastic steel wire check ring, mainly comprising a spacer sleeve, a short taper transition shaft and a pushing sleeve, wherein the spacer sleeve is used for supporting a check ring to be assembled; one end of the short taper transition shaft is spliced and matched with the spacer sleeve, and the short taper transition shaft is used for swelling the check ring; one end of the pushing sleeve is coaxially matched with the short taper transition shaft in a propping way, and the pushing sleeve is used for buckling the check ring to keep the swelling state of the check ring; the upper end surface of the spacer sleeve, which is spliced and matched with the short taper transition shaft, is provided with an annular supporting surface used for supporting the check ring to be assembled, and the diameter of a trepan boring of the spacer sleeve is smaller than the outer diameter of the check ring to be assembled; the diameter of the small end of the short taper transition shaft is smaller than the inner diameter of the check ring to be assembled, and the diameter of the large end of the short taper transition shaft is smaller than or equal to that of the trepan boring of the spacer sleeve; the pushing sleeve is axially provided with a through hole for a workpiece to penetrate, the periphery of the propping end of the pushing sleeve is provided with a cylindrical surface used for keeping the swelling state of the check ring, and the outer diameter of the cylindrical surface is smaller than or equal to the diameter of the large end of theshort taper transition shaft. The invention has simple structure and not only reduces the labor intensity of installers, but also enhances the assembly efficiency.
Description
technical field [0001] The invention relates to a tool for installing an elastic steel wire retaining ring for a shaft on a workpiece with a large diameter. Background technique [0002] When assembling elastic steel wire retaining rings in the daily production process, they generally need to be installed on workpieces larger than their inner diameters. The current main installation method is to use a screwdriver to pry the retaining ring open, and at the same time use other tools to press the retaining ring into the workpiece to be installed with the retaining ring. This assembly method is very troublesome, and often scratches the elastic steel wire retaining ring or the surface of the workpiece. Its assembly efficiency is low and the labor intensity is high. Falling into other operating equipment creates a safety problem. [0003] In the 05th issue of "Mechanical Workers. Cold Work" published in 1989, a self-made steel wire retaining ring installation tool was disclosed....
Claims
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IPC IPC(8): B25B27/20
Inventor 李金狮王普庆郑南麟刘建权
Owner STATE GRID CORP OF CHINA