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11. 姗熷櫒涓父鐢ㄤ簬鑱�(li谩n)鎺ョ殑铻虹磱鐐� 锛� 锛夈€�
A. 姊舰铻虹磱锛� B. 鏅€氳灪绱�锛� C. 鐭╁舰铻虹磱锛� D. 閶搁綊褰㈣灪绱嬨€�
12. 瑙掓帴瑙哥悆杌告壙涓€鑸敤浜庢壙鍙� 锛� 锛�銆�
A.寰戝悜杓夎嵎锛� B. 杌稿悜杓夎嵎锛� C. 闆欏悜鐨勮桓鍚戣級鑽�锛� D. 寰戝悜杓夎嵎鍜岃桓鍚�
杓夎嵎銆�
13. 榻掕吉鍌冲嫊鐨勬帴瑙哥柌鍕炲挤搴﹁▓绠楁槸閲濆皪锛� 锛�銆�
A. 榻掗潰鑶犲悎澶辨晥锛� B. 榻掗潰鐤插嫗榛炶潟澶辨晥锛� C. 榻掗潰纾ㄧ矑纾ㄦ悕澶辨晥锛� D. 杓�
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14. 涓€灏嶆枩榻掑湏鏌遍綊杓偝鍕曚腑锛屼綔鐢ㄥ湪涓� 鍕曢綊杓笂鐨勫緫鍚戝姏 Fr 鎳�(y墨ng)琛ㄧず鐐�
锛� 锛夈€�
A. Fr = 2T1/d1 锛� B. Fr = Fttan伪/cos尾锛� C. Fr = Fttan伪 锛� D Fr =0銆�
15. 娑查珨鍕曞姏娼ゆ粦杌告壙褰㈡垚鍕曞娼ゆ粦鐨勫繀瑕佹浠朵箣涓€鏄紙 锛�
A. 杌稿緫蹇呴爤鏈夎冻澶犵殑寮峰害锛� B. 杌稿緫蹇呴爤鏈夎冻澶犵殑鍓涘害 锛� C. 杌稿緫蹇呴爤淇濇寔涓€
瀹氱殑杞�(zhu菐n)閫� 锛� D 杌稿緫蹇呴爤鏈夎冻澶犵殑绮惧害銆�
绗� 5 闋�锛屽叡 8 闋�
涓夈€佸垽鏂烽锛堝叡 7 灏忛锛屾瘡灏忛 2 鍒嗭紝鍏� 14 鍒�锛涘皪鐨勬墦鈥溾垰鈥�锛岄尟鐨勬墦鈥溍椻€濓級
16. 澹撳姏瑙掓槸鍒ゆ柗閫ｆ】姗熸(g貌u)鍌冲姏鎬ц兘鍎�(y艒u)鍔ｇ殑閲嶈妯欏織锛屼竴鑸伐浣滄浠朵笅锛屽鍔涜瓒�
灏�锛屾妲�(g貌u)鐨勫偝鍔涙€ц兘瓒婂ソ銆� 锛� 锛�
17. 甯跺偝鍕曚腑鐨勫綀鎬ф粦鍕曠従(xi脿n)璞℃渻浣垮付鍌冲嫊宸ヤ綔鏅�锛屽湪甯跺拰甯惰吉闁撶敘(ch菐n)鐢熷井閲忕浉灏嶆粦
鍕曪紝褰遍熆鍌冲嫊姣旂殑婧栫⒑鎬�锛屽洜姝よō(sh猫)瑷堟檪蹇呴爤閬垮厤甯跺偝鍕曠敘(ch菐n)鐢熷綀鎬ф粦鍕曘€�
锛� 锛�
18. 涓€灏嶆枩榻掑湏鏌遍綊杓偝鍕曠殑姝ｇ⒑鍤欏悎姊濅欢涔嬩竴鏄叐杓殑铻烘棆瑙掑ぇ灏忕浉绛変笖铻烘棆
鏂瑰悜鐩稿悓銆� 锛� 锛�
19. 瀹夎椋涜吉鍙互娓涘皬鍛ㄦ湡鎬ч€熷害娉㈠嫊鐨勯€熷害娉㈠嫊骞呭害锛屼絾涓嶈兘瀹屽叏娑堥櫎閫熷害娉㈠嫊
鐝�(xi脿n)璞�銆� 锛� 锛�
20. 妯欐簴榻掕吉澹撳姏瑙捨�= 200
锛屾槸鎸囪┎榻掕吉婕搁枊绶氫笂鍚勯粸鐨勫鍔涜鍧囩瓑浜� 200
銆�
锛� 锛�
21. 鍏╃鍠悜鍥哄畾鐨勮桓绯荤祼(ji茅)妲�(g貌u)鏀壙鍨嬪紡閬╃敤浜庡伐浣滄韩鍗囦笉楂橈紝鏀壙璺ㄨ窛杓冨皬鐨勭煭
杌�銆� 锛� 锛�
22. 纰崇礌閶兼潗鏂欏埗浣滅殑杌稿挤搴︿笉瓒虫檪锛屽彲浠ラ噰鐢ㄥ悎閲戦嫾鏉愭枡鍒朵綔杌镐繚璀夊挤搴﹁姹�銆�
锛� 锛�
鍥�銆佺啊绛旈锛堝叡 4 灏忛锛屽叡 22 鍒嗭級
1. 涓€灏嶆枩榻掕吉鍌冲嫊鐨勬纰哄殭鍚堟浠舵槸浠€涔堬紵锛�
2. 瑾槑涓嶅畬鍏ㄦ恫楂旀饯婊戯紙闈炴恫楂旀饯婊戯級婊戝嫊杌告壙瑷�(sh猫)瑷堣▓绠椾腑锛岄绠楄桓鎵垮寮� p 鍜�
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3. 瑾槑甯跺偝鍕曞伐浣滄檪鐐轰粈涔堟渻鐢�(ch菐n)鐢熷綀鎬ф粦鍕曠従(xi脿n)璞°€�
4. 鐐轰粈涔堣灪鏃嬪偝鍕曚腑鐨勮灪妗胯灪绱嬪閲囩敤鐭╁舰銆佹褰㈣灪绱�锛岃灪绱嬮€ｆ帴鐢ㄧ殑铻虹磱澶氶噰
鐢ㄤ笁瑙掑舰铻虹磱銆�
浜�銆佸彈鍔涘垎鏋愰锛�14 鍒嗭級
鍦栫ず铦告】鈥旀枩榻掕吉鍌冲嫊瑁濈疆锛屽嫊鍔涚敱铦告】杌� I 杓稿叆锛屽凡鐭ユ浠跺鍦栫ず銆傝│姹傦細
1锛夌⒑瀹氬悇杌歌綁(zhu菐n)鍚�銆�
2锛夋浣� II 杌镐笂鍏╄吉杌稿悜鍔涙柟鍚戠浉鍙�锛岀⒑瀹�
鍚勮吉鏃嬪悜銆�
3锛夌暙鍑� II 杌镐笂铦歌吉 2 鍜屾枩榻掕吉 3 鎵€鍙� Ft锛�
Fr锛孎(xi脿n)a 鍚勫姏鏂瑰悜銆�
鈪�
鈪�
2
1
I
3
n鈪�
绗� 6 闋�锛屽叡 8 闋�
鍏�銆佽▓绠楅锛堝叡 4 灏忛锛屽叡 50 鍒嗭級
1銆佸湒绀烘洸绶ｈ伅(li谩n)杌稿櫒鐢� 6 鍊� M16 鏅€氳灪鏍撹伅(li谩n)鎺ワ紙d1=13.835mm锛夎灪鏍撳垎甯冨湏鐩村緫
D0=190mm锛屾帴鍚堥潰闁撴懇鎿︾郴鏁�(sh霉) f=0.15锛屽彲闈犳€х郴鏁�(sh霉) C=1.2锛岃灪鏍撴潗鏂欑偤 45 閶�锛岃ū鐢�
鎳�(y墨ng)鍔沎蟽 ]=125MPa锛岃│姹傝┎铻烘爴鑱�(li谩n)鎺ュ厑瑷卞偝閬炵殑鏈€澶ф壄鐭� T銆傦紙13 鍒嗭級
2銆佸湒绀鸿桓绯婚噰鐢ㄤ竴灏嶅湏閷愭痪瀛愯桓鎵挎敮鎵�锛屾瀹夎锛岃桓鎵垮緫鍚戣級鑽风偤 Fr1 = 3000N锛�
Fr2 = 6000N锛岃桓鐨勮桓鍚戣級鑽� FA = 2000 N 锛岃桓鎵跨殑鍏�(n猫i)閮ㄨ桓鍚戝姏 FS = Fr /3 锛宔 = 0锛�4锛�
Fa/Fr >锝呮檪锛孹锛�0锛�42锛孻 = 1锛�5锛岃級鑽风郴鏁�(sh霉) fP = 1锛�2锛屾眰锛�
1锛夎桓鎵� 1锛�2 鐨勮桓鍚戣級鑽� Fa1 銆丗a2 =锛�
2锛夋瘡鍊嬭桓鎵跨殑鐣堕噺鍕曡級鑽� P1 銆丳2 =锛�
3锛夊叐杌告壙鐨勫＝鍛芥瘮鍊� Lh1/ Lh2= 锛�
3. 鍦栫ず鐐轰竴鍏�(n猫i)鐕冩鐨勬妲�(g貌u)绨″湒,瑭﹁▓绠楀叾鑷敱搴�銆�
绗� 7 闋�锛屽叡 8 闋�
绗� 8 闋侊紝鍏� 8 闋�
4. 濡傚湒鎵€绀虹偤涓€鎵嬫悥鎻愬崌瑁濈疆锛屽叾涓悇杓綊鏁�(sh霉)鍧囩偤宸茬煡锛岃│姹傚偝鍕曟瘮 i15锛屽苟鎸囧嚭
鐣舵彁鍗囬噸鐗╂檪鎵嬫焺鐨勮綁(zhu菐n)鍚�銆�
涓冦€� 绲�(ji茅)妲�(g貌u)鏀归尟椤岋紙10 鍒嗭級
鎸囧嚭鍦栦腑杌哥殑绲�(ji茅)妲�(g貌u)瑷�(sh猫)瑷堟湁閭ｄ簺涓嶅悎鐞�,骞剁暙鍑烘敼姝ｅ悗鐨勮桓绲�(ji茅)妲�(g貌u)鍦�.
鍏嶈铂鑱叉槑锛氭湰鏂囩郴杞�(zhu菐n)杓夎嚜缍�(w菐ng)绲�(lu貌)锛屽鏈変镜鐘紝璜嬭伅(li谩n)绯绘垜鍊戠珛鍗冲埅闄�锛屽彟锛氭湰鏂囧儏浠ｈ〃浣滆€呭€嬩汉瑙€榛�锛岃垏鏈恫(w菐ng)绔欑劇闂�(gu膩n)銆傚叾鍘熷壍(chu脿ng)鎬т互鍙婃枃涓櫝杩版枃瀛楀拰鍏�(n猫i)瀹规湭缍�(j墨ng)鏈珯璀夊锛屽皪鏈枃浠ュ強鍏朵腑鍏ㄩ儴鎴栬€呴儴鍒嗗収(n猫i)瀹广€佹枃瀛楃殑鐪熷鎬�銆佸畬鏁存€�銆佸強鏅傛€ф湰绔欎笉浣滀换浣曚繚璀夋垨鎵胯锛岃珛璁€鑰呭儏浣滃弮鑰�锛屽苟璜嬭嚜琛屾牳瀵︾浉闂�(gu膩n)鍏�(n猫i)瀹�銆�
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