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    • 77. 发明公开
    • SELF-PRESSURIZED RESILIENT GASKET
    • ELASTISCHE SELBSTDRUCKDICHTUNG
    • EP2796733A1
    • 2014-10-29
    • EP11877162.5
    • 2011-12-26
    • Lanzhou Seemine Shape Memory Alloy Co. Ltd.
    • CHEN, TianxiangDA, GuozuMA, TaolinSUN, BaohuiMIAO, XiangwenMA, Yuehui
    • F16B39/26
    • F16B39/26F16B39/01F16B43/001F16J15/0806
    • The present invention relates to a self-pressurized resilient gasket, which belongs to the field of electric power system fasteners, and comprises an annular gasket body (1). The gasket body (1) is symmetrically folded into a V-shape by utilizing the central axis as an axis of symmetry, the folded edges are the pressurization position (2) and the open edges are the supporting position (2). The V-shaped circular arc angle α of the gasket body (1) is 140° - 160°, and the radius R of the circular arc is 10mm - 30mm. The self-pressurized resilient gasket is made of a memory alloy, and utilizes the characteristics of the memory alloy-- memory performance and superelasticity characteristic to effectively solve the problems that common 65Mn and 60Si2MnA spring gaskets may lose elasticity in case of being under a higher temperature frequently, thus losing the effect of preventing a fastened piece from being loosened, so that the fastened piece is loosened and contact resistance is increased due to poor contact, thus causing heating more easily, which bums the fastener and the fastened piece, and thereby causing faulted power failure. The self-pressurized resilient gasket saves a number of manpower and material resources required by regularly replacing all the fasteners, and has very good economic and social benefits.
    • 本发明涉及一种属于电力系统紧固件领域的自加压弹性垫片,包括环形垫片体(1)。 通过利用中心轴作为对称轴将垫片体(1)对称地折叠成V形,折叠边缘为加压位置(2),开口边缘为支撑位置(2)。 垫片主体(1)的V形圆弧角度±140° - 160°,圆弧半径R为10mm〜30mm。 自加压弹性垫片由记忆合金制成,利用记忆合金的特性 - 记忆性能和超弹性特性,有效解决了普通65Mn和60Si2MnA弹簧垫片在低于更高的情况下可能会失去弹性的问题 温度过高,从而失去防止紧固件松动的效果,使得紧固件松动,接触不良导致接触阻力增加,从而更容易加热,从而使紧固件和紧固件烧结,从而 导致电源故障。 自加压弹性垫圈可节省一切人力和物力资源,定期更换所有紧固件,具有很好的经济效益和社会效益。
    • 79. 发明公开
    • Sealing ring and preparation method thereof
    • Dichtungsring und Herstellungsverfahrendafür
    • EP2617847A1
    • 2013-07-24
    • EP12185752.8
    • 2012-09-24
    • Shenzhen Sunxing Light Alloys Materials Co., Ltd
    • Chen, XueminYe, QingdongYuan, JiminHu, LipingYin, Ming
    • C22C21/00F16J15/08C22B34/12
    • F16J15/0806C22B34/12C22C21/00Y02P10/212
    • The present invention provides a sealing ring and a preparation method thereof. The sealing ring, based on percent by weight, includes 80%-85% of aluminum, 10%-15% of titanium, 0.1 %-1 % of scrap iron, and 4%-4.9% of potassium fluoroaluminate. Moreover, the present invention provides a method for preparing sealing ring, which includes the following steps: Step A: melting the aluminum in a medium-frequency induction furnace, adding the potassium fluoroaluminate to the medium-frequency induction furnace after melting the aluminum, melting and stirring the mixture evenly; Step B: adding titanium scrap or sponge titanium, and scrap iron to the mixture successively, melting and mixing the mixture totally at 800°C to 1200°C, standing the mixture after stirring evenly; Step C: removing scum on the surface; Step D: casting into a mould to obtain a final sealing ring. The invention has the beneficial effects that the sealing ring of the invention has adjustable softening point and melting point, can be used as the sealing ring for different reactors or distillers, ensures smooth running of production process in a high pressure state, and solves the problem that the reactors and distillers are not pressure-proof and not sealable at a high temperature.
    • 本发明提供一种密封环及其制备方法。 密封圈以重量百分比计,包括80%-85%的铝,10%-15%的钛,0.1%-1%的废铁和4%-4.9%的氟铝酸钾。 此外,本发明提供一种制备密封环的方法,其包括以下步骤:步骤A:在中频感应炉中熔化铝,在熔融铝后将氟铝酸钾加入到中频感应炉中,熔化 并均匀搅拌混合物; 步骤B:向混合物中依次加入钛废料或海绵钛和废铁,在800℃〜1200℃下全部熔融混合,搅拌均匀后静置; 步骤C:去除表面上的浮渣; 步骤D:铸造成模具以获得最终的密封环。 本发明具有本发明的密封环具有可调节的软化点和熔点的有益效果,可用作不同反应器或蒸馏器的密封环,确保生产过程在高压状态下的顺利运行,并解决问题 反应器和蒸馏器不耐压并且在高温下不能密封。