1姒傝堪

璨艰啘姗熸槸灏堥杸鐢ㄤ簬闆诲瓙銆侀€氳▕銆佸崐灏�(d菐o)楂旂瓑琛屾キ(y猫)璨间繚璀疯啘鍙婇槻鏆磋啘鐨勬鍣�锛屽彲纰轰繚鐒℃埃娉＄劇鎿︾棔璨艰啘銆傛痪鐝犵挡鏉犲偝鍕曡缃伐浣滈亷绋嬬偤锛氭痪鐝犵挡鏉犱綔鐐轰富鍕曢珨锛岃灪姣嶉毃绲叉】鐨勮綁(zhu菐n)鍕曡搴︽寜鐓у皪鎳�(y墨ng)瑕�(gu墨)鏍肩殑灏�(d菐o)绋嬭綁(zhu菐n)鍖栨垚鐩寸窔閬嬪嫊锛岃鍕曞伐浠跺彲浠ラ€氶亷铻烘瘝搴у拰铻烘瘝閫ｆ帴锛屽緸鑰屽鐝�(xi脿n)灏嶆噳(y墨ng)鐨勭洿绶氶亱鍕�銆傚湒1鐐鸿布鑶滄绲叉潬鍌冲嫊杌告ā鍨�銆�

鍦�1璨艰啘姗熺挡鏉犲偝鍕曡桓妯″瀷

2锛庢痪鐝犵挡鏉犲挤搴﹁▓绠�

杌稿悜杓夎嵎锛欶a=F+UW

鍏朵腑F鈥旇桓鍚戞懇鎿﹀姏锛�

W鈥斿伐浠堕噸閲忓姞宸ヤ綔鑷洪噸閲忥紱W=10X10=100N

U鈥斺€旀痪鍕曞皫(d菐o)杌屼笂鐨勬痪鍕曟懇鎿︾郴鏁�(sh霉)锛�

鍓囨湁F1=0.04脳100=4N锛屽嵆绲叉潬鐨勬渶灏忚級鑽�銆�

绲叉潬鏈€澶ц級鑽凤細

杌稿悜宸ヤ綔杓夎嵎锛�

鍏朵腑锛孎(xi脿n)max銆丗min鍒嗗垾鏄挡鏉犳渶澶с€佹渶灏忚桓鍚戣級鑽�锛�

鐣�(d膩ng)杓夎嵎鎸夌収鍠(di脿o)寮忚(gu墨)寰嬭畩鍖�锛屽悇绋綁(zhu菐n)閫熶娇鐢ㄦ鏈冪浉鍚屾檪瑷堢畻鐣�(d膩ng)閲忓嫊杓夎嵎Cm锛�銆傚叾涓�锛孠p鈥旇級鑽锋€ц唱(zh矛)绯绘暩(sh霉)锛岀劇娌栨搳鍙�1锝�1.2锛屼竴鑸儏娉佸彇1.2锝�1.5锛屾湁杓冨ぇ娌栨搳鎸嫊鏅傚彇1.5锝�2.5锛岄€欓噷Kp鍙�1锛汯a鈥旂簿搴﹀奖闊跨郴鏁�(sh霉)锛屽皪浜�1銆�2銆�3绱氱簿搴︾殑婊剧彔绲叉潬鍙朘a=1锛屽皪浜�4銆�5绱氱簿搴︽痪鐝犵挡鏉犲彇Ka=0.9锛岄€欓噷Ka鍙�1銆傝姹傜暥(d膩ng)閲忓嫊杓夎嵎Cm灏忎簬椤嶅畾鍕曡級鑽稢a锛屽緸鑰岀⒑瀹氭痪鐝犵挡鏉犲壇鐨勫瀷铏熷拰灏哄銆傛牴鎿�(j霉)瑕佹眰鍙婄祼(ji茅)妲�(g貌u)灏哄锛岄伕鐢‵FZD鍏�(n猫i)寰挵(hu谩n)澧婄墖闋�(y霉)绶婅灪姣嶅紡婊剧彔绲叉】锛屽叿楂斿瀷铏燂細FFZD2004-3銆傝┎瑁濈疆鐨勬痪鐝犵挡鏉犳槸鍦ㄤ綆閫熸浠朵笅宸ヤ綔鐨�銆傞伕瀹氬皫(d菐o)绋嬬偤4鐨勬痪鐝犵挡鏉犲壇銆�

3婊剧彔绲叉潬鏀壙鍙婂皫(d菐o)杌�

鏈偝鍕曠郴绲�(t菕ng)鐨勭挡鏉犻噰鐢ㄥ叐绔桓鍚戝浐瀹氭柟寮�?锛熸嫹顝跺C涓€绔噰鐢ㄤ竴灏�30203鍦撻寪婊惧瓙杌告壙闈㈠皪闈㈢祫閰�锛屽彟涓€绔噰鐢�6203鐨勮鎺ヨЦ鐞冭桓鎵�銆傚皫(d菐o)杌屼富瑕佸垎鐐烘痪鍕曞皫(d菐o)杌屽拰婊戝嫊灏�(d菐o)杌屽叐绋�锛岄伕鐢ㄥ皫(d菐o)杌屾埅闈㈢偤鐭╁舰鐨勭洿绶氭粦鍕曞皫(d菐o)杌屻€�

3.1婊剧彔绲叉潬鍓殑闋�(y霉)绶�

婊剧彔绲叉潬鍓湪宸ヤ綔鑷轰笂鐨勬敮鎵挎柟寮忔湁鍥涚ó锛屾湰瑷�(sh猫)瑷堥伕鐢ㄤ竴绔浐瀹氾紝涓€绔禐鏀殑鏀壙鏂瑰紡銆傛寜闋�(y霉)鍔犺矤(f霉)杓夊舰寮忓垎锛屽彲鍒嗙偤鍠灪姣嶇劇闋�(y霉)绶�銆佸柈铻烘瘝璁婁綅灏�(d菐o)绋嬮爯(y霉)绶�銆佸柈铻烘瘝鍔犲ぇ閶肩悆寰戝悜闋�(y霉)绶娿€侀洐铻烘瘝澧婄墖闋�(y霉)绶�銆侀洐铻烘瘝宸綊闋�(y霉)绶娿€侀洐铻烘瘝铻虹磱闋�(y霉)绶�銆傞€欓噷閬哥敤闆欒灪姣嶅鐗囧紡闋�(y霉)绶�锛屽叾闋�(y霉)绶婂姏涓€鑸偤杌稿悜杓夎嵎鐨�1/3銆傛痪鐝犵挡鏉犲壇鑸囨粦鍕曠挡鏉犺灪姣嶅壇鐩告瘮杓冩湁寰堝鍎�(y艒u)榛烇細鍌冲嫊鏁堢巼楂�锛岄潏鏁忓害楂�锛屽偝鍕曞钩绌�(w臎n)锛涚（鎼嶅皬锛屽＝鍛介暦锛屽彲娑堥櫎杌稿悜闁撻殭锛屾彁楂樿桓鍚戝墰搴︾瓑銆�

3.2婊剧彔绲叉潬鍓殑鍌虫晥鍕曠巼

婊剧彔绲叉潬鍓殑鍌虫晥鍕曠巼鐐�:

寮忎腑蠄鈥旀痪鐝犵挡鏉犵殑铻虹磱鍗囪锛�

蟻'鈥旂暥(d膩ng)閲忔懇鎿﹁

鏍规摎(j霉)鐣�(d膩ng)閲忔懇鎿︾郴鏁�(sh霉)鍜岀暥(d膩ng)閲忔懇鎿﹁闂�(gu膩n)绯�锛屾痪鍕曢亱鍕曢€熷害v=50mm/s锛屾潗鏂欓伕鎿囩伆閼勯惖HRC鈮�45銆傚悓鏅傁�'=7掳58鈥诧紝

tg蟻'=0.14

鐢变簬寮忎腑Ph=4mm鐐哄皫(d菐o)绋�锛�

d=20mm鐐虹挡鏉犲叕绋辩洿寰�銆�

鍓囧緱鍒版痪鐝犵挡鏉犵殑铻虹磱鍗囪锛毾�=6.06掳

婊剧彔绲叉潬鍓殑鍌冲嫊鏁堢巼锛毼�=0.425銆�

4绲�(ji茅)璜�

閲濆皪璨艰啘姗熺殑婊剧彔绲叉潬鍌冲嫊瑁濈疆閮ㄥ垎閫茶浜嗚ō(sh猫)瑷�銆傚皪婊剧彔绲叉潬鐨勫挤搴﹂€茶浜嗚▓绠楋紝浣跨敤鍦撻寪婊惧瓙杌告壙鍜屾繁婧濈悆杌告壙锛屽皫(d菐o)杌岄噰鐢ㄧ洿绶氬皫(d菐o)杌�銆傚垎鏋愪簡绲叉潬鍓殑闋�(y霉)绶�锛岀嵅寰椾簡绲叉潬鍓殑鍌冲嫊鏁堢巼骞堕€茶浜嗚▓绠�銆�