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1銆佸お闄借兘璺噲鐨勫厜椤壊鎬ф瘮楂樺閳夌噲楂樺緢澶氾紝楂樺閳夌噲椤壊鎸囨暩(sh霉)鍙23鎿哄竷锛岃€屽お闄借兘璺噲椤壊鎸囨暩(sh霉)鍒伴仈75浠ヤ笂锛屽緸瑕栬蹇冩€濊搴﹁€冩叜锛屽埌閬斿钩绛変寒搴�锛屽お闄借兘璺噲鐨勫厜鐓у害鍧囧嫽鑳藉姣旈珮澹撻垑鐕堜笅闄�20%浠ヤ笂銆�
2銆佸お闄借兘璺噲鐨勫厜琛板皬锛屼竴骞寸殑鍏夎“涓嶅埌3%锛岄亱鐢�10骞翠粛鍒伴仈璺€旈亱鐢ㄧ収搴﹁姹�锛岃€岄珮澹撻垑鐕堢伀琛板ぇ锛屼竴骞存摵甯冨凡缍�(j墨ng)涓嬮檷30%浠ヤ笂锛屽洜鑰�锛屽お闄借兘璺噲鍦ㄩ亱鐢ㄥ姛鐜囩殑瑕�(gu墨)鍔冧笂鑳藉姣旈珮澹撻垑鐕堜綆銆�
3銆佸お闄借兘璺噲鏈変富鍕曟搷鎺х瘈(ji茅)鑳借ō(sh猫)鍌�,鑳藉濡備粖婊挎剰涓嶄竴妯ｆ檪娈电収鏄庤姹傛儏娉佷笅鍙兘鐨勪笅闄嶅姛鐜�锛岀瘈(ji茅)绱勯浕鑳�銆係park 鏅鸿兘澶櫧鑳借矾鐕堝彲瀵︾従(xi脿n)闆昏叇瑾�(di脿o)鍏�锛屽垎鏅傞枔娈垫搷鎺э紝鍏夌窔鎿嶆帶锛屾韩搴︽搷鎺�锛岄暦閫旀搷鎺э紝涓诲嫊宸℃绛変汉鎬у寲鍔熻兘銆�
璺噲鐨勫弮鏁�(sh霉)濡備笅锛�
闆绘睜鏉垮偩瑙扐 = 35掳 鐕堟】楂樺害 = 5m
瑷�(sh猫)瑷堥伕鍙栫噲妗垮簳閮ㄧ剨绺搴ξ� = 4mm 鐕堟】搴曢儴澶栧緫 = 168mm
鐒婄斧鎵€鍦ㄩ潰鍗崇噲妗跨牬澹為潰銆傜噲妗跨牬澹為潰鎶垫姉鐭￤ 鐨勮▓绠楅粸P鍒扮噲妗垮彈鍒扮殑闆绘睜鏉夸綔鐢ㄨ嵎杓塅浣滅敤绶氱殑璺濋洟鐐�
PQ = [5000+锛�168+6锛�/tan16掳]脳 Sin16掳 = 1545mm=1.545m銆傛墍浠�锛岄ⅷ(f膿ng)鑽疯級鍦ㄧ噲妗跨牬澹為潰涓婄殑浣滅敤鐭㎝ = F脳1.545銆�
鏍规摎(j霉)27m/s鐨勮ō(sh猫)瑷堝厑瑷遍ⅷ(f膿ng)閫�锛�2脳30W鐨勯洐鐕堥牠澶櫧鑳借矾鐕堥浕姹犳澘鐨勫熀鏈嵎杓夌偤730N?锛熺搐]1.3鐨勫畨鍏ㄧ郴鏁�(sh霉)锛孎(xi脿n) = 1.3脳730 = 949N銆�
鎵€浠ワ紝M = F脳1.545 = 949脳1.545 = 1466N.m銆�
鏍规摎(j霉)鏁�(sh霉)瀛�(xu茅)鎺ㄥ皫(d菐o)锛屽湏鐠�(hu谩n)褰㈢牬澹為潰鐨勬姷鎶楃煩W = 蟺脳锛�3r2未+3r未2+未3锛夈€�
涓婂紡涓�锛宺鏄湏鐠�(hu谩n)鍏�(n猫i)寰�锛屛存槸鍦撶挵(hu谩n)瀵害銆�
鐮村闈㈡姷鎶楃煩W = 蟺脳锛�3r2未+3r未2+未3锛�
=蟺脳锛�3脳842脳4+3脳84脳42+43锛�= 88768mm3
=88.768脳10锛�6 m3
棰�(f膿ng)鑽疯級鍦ㄧ牬澹為潰涓婁綔鐢ㄧ煩寮曡捣鐨勬噳(y墨ng)鍔� = M/W
= 1466/锛�88.768脳10锛�6锛� =16.5脳106pa =16.5 Mpa<<215Mpa
鍏朵腑锛�215 Mpa鏄�Q235閶�鐨勬姉褰庡挤搴�銆�
鎵€浠�锛岃ō(sh猫)瑷堥伕鍙栫殑鐒婄斧瀵害婊胯冻瑕佹眰锛屽彧瑕佺剨鎺ヨ唱(zh矛)閲忚兘淇濊瓑锛岀噲妗跨殑鎶楅ⅷ(f膿ng)鏄矑鏈夊晱椤岀殑銆�
