緩沖器
緩沖器
聚氨酯的物理性能:
聚氨酯是起重機、塔吊、裝卸機、電梯、礦車運行*限位置或發(fā)生碰撞所需的防撞裝置,它能迅速地將沖擊勢能轉(zhuǎn)化為彈性勢能,是電梯、起重機等大型笨重機械極限位置的安全裝置。 聚氨酯以電梯為例:當(dāng)電梯超越底層或頂層時,轎廂或?qū)χ刈矒?,由吸收或消耗電梯的能量,從而使轎廂或?qū)χ匕踩珳p速至停止。國內(nèi)生產(chǎn)的起重設(shè)備中,絕大部分使用的是橡膠式,彈簧式和液壓式。 彈簧式的使用率較高,這種制造,安裝都比較麻煩,成本高,并且在起緩沖作用時對吊車的反彈沖擊較大,對設(shè)備和操作者都不利。 液壓式雖然可以克服彈簧式反彈沖擊的缺點,但造價太高,且液壓管路易泄漏,易出故障,維修量大。 橡膠式具有抗沖擊,抗壓性能弱,使用壽命短的缺點。 因此較發(fā)達(dá)國家近年來大都采用新工藝生產(chǎn)聚氨酯類,這種克服了三種老式的主要缺點,工作是對吊車幾乎沒有反彈沖擊,單位體積的沖擊容量大,安裝非常簡單,不用維修,抗老化性能優(yōu)良,而且成本只有彈簧式的二分之一,比液壓式更低 聚氨酯---螺柱式 法蘭盤式 壓板式為我廠主打產(chǎn)品,該產(chǎn)品不但可吸收大量的沖擊性能,還有較高的沖擊彈性,良好的抗壓恢復(fù)性,良好的絕緣性,防爆性,防腐蝕性,耐熱性,耐寒性,耐油性和耐老化等優(yōu)異性能。
Polyurethane Buffer
Polyurethane buffer is an elevator and heavy-lifting large heavy mechanical limit position of the safety device. Polyurethane buffer is tower crane, loading and unloading machine, elevator, harvesters operation to limit position or collision required anti-collision device, it can quickly will impact potential energy into elastic energy, has the strong hardness, good flexibility , quick recovery, oil
resistance, corrosion resistance etc. Suitable for metallurgy, mine, railway, port, shipbuilding, auto, weighing apparatus, large-scale machinery, equipment, etc. Special-purpose Polyurethane buffer hits the product for my factory owner, this product not just only absorb the massive impact properties, also has the high shock elasticity, the good resistant to compression restitution, the good insulating property, the explosion-proof, the corrosion preventing, the thermal stability, the resistance to cold, the oil resistance and bears the aging and so on outstanding performance.
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