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锛�1锛夋帹鍕�(d貌ng)鍔涘伓鐨勭Щ鍕�(d貌ng)锛屽繀闋堝厠鏈嶄竴灏�(du矛)鏃嬭綁(zhu菐n)绛掔殑鎽╂摝鍔涚煩銆傜啽绠￠亾杓搁�佽捀姹界殑宸ヤ綔澹撳姏鐐篜N=1.6MPa锛岃捀姹芥韩搴﹀皪(du矛)鍚堥噾瀵嗗皝濉枡鐨勮啫鑴圭郴鏁�(sh霉)鐣ユ瘮閶兼潗楂樼殑闄勫姞绶婂姏閫犳垚鐨勯檮鍔犲姏鐭╀笉浜堣�冩叜鐨勬儏娉佷笅锛岀⒑瀹氬叾鎽╂摝鍔涚煩銆�
鍚堥噾瀵嗗皝濉枡绠卞収(n猫i)鎽╂摝鍔涚煩Mk1,鎶楃洸鏉垮姏鐨勬懇鎿﹀姏鐭㎝k2锛岀啽绠￠亾鍦ㄩ亱(y霉n)琛屾儏娉佷笅鐨勪竴灏�(du矛)鏃嬭綁(zhu菐n)绛掔殑绺界殑鎽╂摝鍔涚煩鐐猴細
Mk=1.2锛圡k1+Mk2锛塏cm
琛ㄤ簲锛氫竴灏�(du矛)鏃嬭綁(zhu菐n)绛掔殑鏃嬭綁(zhu菐n)鎽╂摝鍔涚煩Mk琛�
(2)?螤绲勫悎鏃嬭綁(zhu菐n)寮忚(b菙)鍎熷櫒鐨勫姏鍋惰噦锛堝鍦栦竴銆佷簩锛塋涓�鑸噳(y墨ng)鏍规摎(j霉)鐝�(xi脿n)鍫�(ch菐ng)瀵�(sh铆)闅涙儏娉佺⒑瀹氾紝涓�鑸彇1锝�10绫炽�傚姏鍋惰噦蹇呴爤鍜屼竴灏�(du矛)澶у皬鐩哥瓑銆佹柟鍚戠浉鍙嶇殑鍔涚浉浜掑瀭鐩淬�傛墍浠ワ紝鍦ㄧ啽鑶ㄨ劰閬庣▼涓紝瑕佷娇鍔涘伓鏃嬭綁(zhu菐n)锛堝嵆涓�灏�(du矛)鏃嬭綁(zhu菐n)绛掑嫊(d貌ng)浣滐級鐨勫姏P鐢变笅寮忕⒑瀹氥��
P=Mk梅Lcos(胃/2) ???(N) ??????????Mk 鈥� Ncm锛� L ?鈥� cm
4銆佹噳(y墨ng)鐢ㄥ(sh铆)渚嬶細
锛�1锛夈�佺啽缍�(w菐ng)宸ョ▼涓荤寰戠偤蠁480脳10锛岄伕鐢℉DXZ鍨嬫棆杞�(zhu菐n)寮忚(b菙)鍎熷櫒锛屾牴鎿�(j霉)鑷劧鍦板舰姊濅欢瑷�(sh猫)缃(b菙)鍎熷櫒锛屽舰寮忓涓嬶細
锛�2锛夈�佽嚜鐒舵浠讹細瑭茬啽缍�(w菐ng)绠℃锛岀偤娌抽亾鏂兼偿鍥炲～鍦燂紝鍦拌�愬姏涓嶈冻8鍣革紝鍏ㄩ暦542绫炽��
锛�3锛夈�佽ō(sh猫)瑷�(j矛)鐗归粸(di菐n)锛氳ō(sh猫)涓枔鍥哄畾鏀煴1鍙紝鍚戝叐閭婂钩鍧囬枔璺�17绫宠ō(sh猫)缃紝婊戝嫊(d貌ng)鏀灦2脳15鍙紝鑰冩叜鍒拌(b菙)鍎熸粦鍕�(d貌ng)鎵樺骇闀凤紝閲囩敤杌告壙寮忔痪鍕�(d貌ng)鎵樺骇锛堟懇鎿︾郴鏁�(sh霉)鐐�0.07锛屽(sh铆)闅涙懇鎿︾郴鏁�(sh霉)鐐�0.02锛夛紝婊戝嫊(d貌ng)绠℃墭鏍规摎(j霉)瑁�(b菙)鍎熼噺鏀惧ぇ锛屾渶澶ц(b菙)鍎熼噺绱�1.1绫筹紝瑷�(sh猫)缃叐绔悇鏀炬棆杞�(zhu菐n)寮忚(b菙)鍎熷櫒1绲勶紝瑁�(b菙)鍎熷櫒鏃嬭綁(zhu菐n)鑷傞暦鐐�4.5绫筹紝鍏舵渶澶ц(b菙)鍎熻兘鍔涚偤1.5绫筹紝鏈�澶у伌(c猫)鍚戜綅绉�0.06绫筹紝婊戝嫊(d貌ng)鏀灦姣忛枔闅�60绫宠ō(sh猫)涓�灏�(d菐o)鍚戞敮鏋躲��
锛�4锛夈�佹敞鎰忥細瀵�(sh铆)鏂介暦璺濋洟瑁�(b菙)鍎熼渶鑰冩叜閲囩敤鎽╂摝绯绘暩(sh霉)浣庣殑杌告壙寮忔痪鍕�(d貌ng)鏀灦锛屽寮�(qi谩ng)绠￠亾寮�(qi谩ng)搴︼紝闄嶄綆灏�(du矛)鍥哄畾鏀灦鐨勬帹鍔涖��
锛�5锛夈�佸浐瀹氭敮鏋舵帹鍔涜▓(j矛)绠楋細
鈶犮�佹牴鎿�(j霉)鏃嬭綁(zhu菐n)鍔涘伓鎽╂摝鍔涚煩鍏舵帹鍔涚殑瑷�(j矛)绠楀叕寮忥細
Mk=1.2(Mk1锛� Mk2) ?Ncm
鏌ヨ〃锛欴N450绠￠亾锛孧k=3890300 Ncm
鏍规摎(j霉)瑁�(b菙)鍎熼噺瑷�(j矛)绠椢�=26掳28鈥� ????鑷傞暦450cm ????鏃嬭綁(zhu菐n)鎽╂摝鎺ㄥ姏8890N銆�
鈶°�佺閬撓�480脳10鐒＄斧绠￠噸116Kg/m锛屼繚婧噸60Kg/m銆�
绠￠亾灏�(du矛)鏀煴鐨勬懇鎿︽帹鍔沎锛�116+60锛壝�271]脳9.81脳0.07=32752.84N
鈶��佸皪(du矛)鍥哄畾鏀煴绺芥帹鍔涚偤锛氾紙8890+32752.84锛壝�1.2=49971N鈮�4.9971鍣稿姏銆�
鐩搁棞(gu膩n)閺堟帴锛�涓婃捣娣炴睙娉㈢磱瑁�(b菙)鍎熷櫒
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