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鍙嬫儏鎻愮ず锛氭湰绔欐彁渚涘叏鍦�(gu贸)400澶氭墍楂樼瓑闄㈡牎鎷涙敹纰╁＋銆佸崥澹爺绌剁敓鍏ュ(xu茅)鑰冭│姝峰勾鑰冪爺鐪熼銆佽€冨崥鐪熼銆佺瓟妗�锛岄儴鍒嗗(xu茅)鏍℃洿鏂拌嚦2012骞�锛�2013骞�锛涘潎鎻愪緵鏀惰不(f猫i)涓嬭級銆� 涓嬭級娴佺▼锛� 鑰冪爺鐪熼 榛�(di菐n)鎿娾€�鑰冪爺瑭﹀嵎鈥濃€濅笅杓�; 鑰冨崥鐪熼 榛�(di菐n)鎿娾€�鑰冨崥瑭﹀嵎搴�(k霉)鈥� 涓嬭級
2018 骞寸ⅸ澹爺绌剁敓鎷涚敓鑰冭│瑭﹂
绉戠洰浠ｇ⒓鍙婂悕绋�: 919 鐞嗚珫鍔涘(xu茅) 閬╃敤灏堟キ(y猫)锛氭(j墨)姊板伐绋�
锛堣珛(q菒ng)鑰冪敓鍦ㄧ瓟椤岀礄涓婄瓟椤�锛屽湪姝よ│椤岀礄涓婄瓟椤岀劇(w煤)鏁堬級
涓€銆佸柈閬搁锛屽皣姝ｇ⒑鐨勯伕闋�(xi脿ng)瀛楁瘝濉叆鎷櫉(h脿o)涓€�(鏈ぇ椤屽叡 10 灏忛锛屾瘡灏忛 3 鍒嗭紝鍏� 30 鍒�)
1銆佸厜婊戦潰灏�(du矛)鐗╅珨鐨勭磩鏉熷姏锛屼綔鐢ㄥ湪鎺ヨЦ榛�(di菐n)铏�锛屾柟鍚戞部鎺ヨЦ闈㈢殑鍏硶绶�锛屼笖锛� 锛�
锛圓锛夋寚鍚戝彈鍔涚墿楂�锛屾亽鐐烘媺鍔� 锛圔锛夋寚鍚戝彈鍔涚墿楂�锛屾亽鐐哄鍔�
锛圕锛夎儗闆㈠彈鍔涚墿楂�锛屾亽鐐烘媺鍔� 锛圖锛夎儗闆㈠彈鍔涚墿楂�锛屾亽鐐哄鍔�
2銆佺墿楂� A 閲嶉噺鐐� Q锛岀疆浜庢按骞抽潰涓�锛屾帴瑙搁潰涓婄殑闈滄粦鍕�(d貌ng)鎽╂摝绯绘暩(sh霉) f=0.32锛屽湪鐗╅珨涓婃柦鍔�
涓€姘村钩鎷夊姏 P=0.3Q锛屽墖鎺ヨЦ闈笂鐨勬懇鎿﹀姏 F 鐐猴紙 锛�
锛圓锛塅=0 锛圔锛塅=0.3Q 锛圕锛塅=0.32Q 锛圖锛塅=Q
3銆侊紙 锛夋槸骞抽潰涓€鑸姏绯荤啊(ji菐n)鍖栫殑鍩虹(ch菙)銆�
锛圓锛変簩鍔涘钩琛″叕鐞� 锛圔锛夊姏鐨勫彲鍌虫€у畾鐞嗭紙C锛変綔鐢ㄥ拰鑸囧弽浣滅敤鍏悊锛圖锛夊姏鐨勫钩绉诲畾鐞�
4銆佽唱(zh矛)榛�(di菐n)绯诲嫊(d貌ng)閲忓皪(du矛)鏅�(sh铆)闁撶殑灏�(d菐o)鏁�(sh霉)绛変簬浣滅敤鍦ㄨ唱(zh矛)榛�(di菐n)绯讳笂鐨勶紙 锛夌殑鐭㈤噺鍜�銆�
锛圓锛夋墍鏈夊収(n猫i)鍔� 锛圔锛夋墍鏈夊姏鐭� 锛圕锛夋墍鏈夊鍔� 锛圖锛夋墍鏈夊姏鍋剁煩
5銆佷竴鍔� F=10KN锛屽畾榛�(di菐n) O 鍒板姏浣滅敤绶氱殑鍨傜洿璺濋洟 d=100mm锛屽墖鍔� F 灏�(du矛) O 榛�(di菐n)涔嬬煩 Mo锛團锛夌殑澶�
灏忕偤锛� 锛�銆�
锛圓锛�100 N.m 锛圔锛�1000 N.m 锛圕锛�10 N.m 锛圖锛�10 KN.m
6銆佸仛骞抽潰閬�(y霉n)鍕�(d貌ng)鐨勫墰楂�锛屽湪涓嶅悓鐨勭灛鏅�(sh铆)锛屽叿鏈夛紙 锛夐€熷害鐬績銆�
锛圓锛変笉鍚岀殑 锛圔锛夊浐瀹氫笉鍕�(d貌ng)鐨� 锛圕锛夌浉鍚岀殑 锛圖锛変笁鍊�(g猫)鐩稿悓鐨�
绗� 1 闋�(y猫)锛屽叡 6 闋�(y猫)
2018 骞寸ⅸ澹爺绌剁敓鎷涚敓鑰冭│瑭﹂
绉戠洰浠ｇ⒓鍙婂悕绋�: 919 鐞嗚珫鍔涘(xu茅) 閬╃敤灏堟キ(y猫)锛� 姗�(j墨)姊板伐绋�
锛堣珛(q菒ng)鑰冪敓鍦ㄧ瓟椤岀礄涓婄瓟椤�锛屽湪姝よ│椤岀礄涓婄瓟椤岀劇(w煤)鏁堬級
7銆佸畾杌歌綁(zhu菐n)鍕�(d貌ng)鍓涢珨鐨勫嫊(d貌ng)鑳界瓑浜庡墰楂斿皪(du矛)浜庤綁(zhu菐n)杌哥殑杞�(zhu菐n)鍕�(d貌ng)鎱ｉ噺鑸囷紙 锛変箻绌嶇殑涓€鍗�銆�
锛圓锛夐€熷害骞虫柟 锛圔锛夊姞閫熷害骞虫柟 锛圕锛夎閫熷害骞虫柟 锛圖锛夎鍔犻€熷害骞虫柟
8銆佸姏鐨勫彲鍌虫€у師鐞嗘槸鎸囦綔鐢ㄤ簬鍓涢珨涓婄殑鍔涘彲鍦ㄤ笉鏀硅畩鍏跺皪(du矛)鍓涢珨鐨勪綔鐢ㄦ晥鏋滀笅锛� 锛�
锛圓锛� 骞宠鍏朵綔鐢ㄧ窔绉诲埌鍓涢珨涓婁换涓€榛�(di菐n) 锛圔锛夋部鍏朵綔鐢ㄧ窔绉诲埌鍓涢珨涓婁换涓€榛�(di菐n)
锛圕锛夊瀭鐩村叾浣滅敤绶氱Щ鍒板墰楂斾笂浠讳竴榛�(di菐n) 锛圖锛変换鎰忕Щ鍕�(d貌ng)鍒板墰楂斾笂浠讳竴榛�(di菐n)
9銆佺暥(d膩ng)鐗介€ｉ亱(y霉n)鍕�(d貌ng)鐐鸿綁(zhu菐n)鍕�(d貌ng)鏅�(sh铆)锛岀姘忓姞閫熷害鐭㈡槸锛� 锛夌煝鑸囩浉灏�(du矛)閫熷害鐭㈠弶绌嶇殑鍏╁€�銆�
锛圓锛夌浉灏�(du矛)瑙掑姞閫熷害 锛圔锛夌壗閫ｈ閫熷害 锛圕锛夌浉灏�(du矛)瑙掗€熷害 锛圖锛夌浉灏�(du矛)瑙掑姞閫熷害
10銆佸墰楂旂篂 Z 杌歌綁(zhu菐n)鍕�(d貌ng)鐨勮閫熷害蠅 =6rad/s銆佽鍔犻€熷害蔚 =4rad/s
2
锛屽墰楂斿収(n猫i)闆� Z 杌歌窛闆㈢偤 50cm
铏曠殑璩�(zh矛)榛�(di菐n)鐨勫垏鍚戝姞閫熷害鐐猴紙 锛�銆�
锛圓锛�200 m/s
2
锛圔锛�20 m/s
2
锛圕锛�2 m/s
2
锛圖锛�3 m/s
2
浜�銆佹槸闈為锛屾纰虹殑鍦ㄦ嫭铏�(h脿o)涓墦鈥溾垰鈥�锛岄尟(cu貌)瑾ょ殑鎵撯€溍椻€濓紙鏈ぇ椤屽叡 10 灏忛锛屾瘡灏忛 3 鍒嗭紝
鍏� 30 鍒嗭級
1銆佸姞娓涘钩琛″姏绯诲叕鐞嗗彧閬╃敤浜庡墰楂�銆� 锛� 锛�
2銆侀粸(di菐n)鐨勯亱(y霉n)鍕�(d貌ng)鏂圭▼鍙互閫氶亷(gu貌)鐭㈠緫娉�銆佽嚜鐒跺潗妯�(bi膩o)娉曞拰鐩磋鍧愭(bi膩o)娉曚締(l谩i)鎻忚堪銆傦紙 锛�
3銆佹懇鎿﹀姏鏄湭鐭ョ殑绱勬潫鍔�锛屽叾澶у皬鍜屾柟鍚戝畬鍏ㄥ彲浠ョ敱骞宠 鏂圭▼渚�(l谩i)纰哄畾銆傦紙 )
绗� 2 闋�(y猫)锛屽叡 6 闋�(y猫)
2018 骞寸ⅸ澹爺绌剁敓鎷涚敓鑰冭│瑭﹂
绉戠洰浠ｇ⒓鍙婂悕绋�: 919 鐞嗚珫鍔涘(xu茅) 閬╃敤灏堟キ(y猫)锛氭(j墨)姊板伐绋�
锛堣珛(q菒ng)鑰冪敓鍦ㄧ瓟椤岀礄涓婄瓟椤�锛屽湪姝よ│椤岀礄涓婄瓟椤岀劇(w煤)鏁堬級
4銆佸畾杌歌綁(zhu菐n)鍕�(d貌ng)鍓涢珨鐨勫嫊(d貌ng)閲忕煩绛変簬鍓涢珨灏�(du矛)杞�(zhu菐n)杌哥殑杞�(zhu菐n)鍕�(d貌ng)鎱ｉ噺鑸囧叾瑙掗€熷害涔嬬⿳銆傦紙 锛�
5銆佷竴鍊�(g猫)骞抽潰鍔涚郴锛岃嫢鍏跺姏澶氶倞褰笉灏侀枆锛屽墖瑭插姏绯讳竴瀹氭湁鍚堝姏锛屽悎鍔涚殑浣滅敤绶氳垏绨�(ji菐n)鍖栦腑
蹇冪殑浣嶇疆鐒�(w煤)闂�(gu膩n)銆傦紙 锛�
6銆佷綔骞抽潰閬�(y霉n)鍕�(d貌ng)鐨勫墰楂旓紝閫熷害鐬績榛�(di菐n)鍙兘鍦ㄥ墰楂斾笂銆傦紙 锛�
7銆佸垎鏋愭(g貌u)浠剁殑骞抽潰閬�(y霉n)鍕�(d貌ng)鏅�(sh铆)锛屽熀榛�(di菐n)鐨勯€熷害灏辨槸鍕�(d貌ng)榛�(di菐n)鐨勭壗閫ｉ€熷害銆� 锛� 锛�
8銆佺祫鎴愬姏鍋剁殑鍏╁€�(g猫)鍔涙棦娌�(m茅i)鏈夊悎鍔�锛屾湰韬張涓嶅钩琛°€傦紙 锛�
9銆佸姏鍋跺彲浠ョ瓑鏁堜簬涓€鍊�(g猫)鍔�銆� 锛� 锛�
10銆佷竴鍧囪唱(zh矛)妗块墰鐩存斁鍦ㄥ厜婊戞按骞抽潰涓�锛岀劇(w煤)鍒濋€熼噵鏀惧悗璩�(zh矛)蹇冪殑閬�(y霉n)鍕�(d貌ng)杌岃贰鐐轰竴鏇茬窔銆傦紙 锛�
涓夈€佸湪鍦栫ず姗�(j墨)妲�(g貌u)涓�锛屽凡鐭� mrBOAO 4.021
??? 锛� ABOO ?21
锛� AO1
妗跨殑瑙掗€熷害 4 rad s? ? 锛�
瑙掑姞閫熷害 2
2 rad s? ? 锛屾眰涓夎鏉� C 榛�(di菐n)鐨勫姞閫熷害锛屽苟鐣�(hu脿)鍑哄叾鏂瑰悜銆�(鏈 10 鍒�)
O1O
C
A B
?
?
O1O
C
A B
?
?
绗� 3 闋�(y猫)锛屽叡 6 闋�(y猫)
2018 骞寸ⅸ澹爺绌剁敓鎷涚敓鑰冭│瑭﹂
绉戠洰浠ｇ⒓鍙婂悕绋�: 919 鐞嗚珫鍔涘(xu茅) 閬╃敤灏堟キ(y猫)锛� 姗�(j墨)姊板伐绋�
锛堣珛(q菒ng)鑰冪敓鍦ㄧ瓟椤岀礄涓婄瓟椤�锛屽湪姝よ│椤岀礄涓婄瓟椤岀劇(w煤)鏁堬級
鍥涖€佸湒绀烘敮鏋剁敱妗� AC銆丒D 鍜屾粦杓祫鎴�锛屽悇铏曞潎鐢遍壐閺堥€ｆ帴銆傛粦杓崐寰� r =30 cm锛屼笂闈㈠悐
钁楅噸 P=1000 N 鐨勭墿楂�銆傝│姹� A銆丒 铏曠殑绱勬潫鍙嶅姏銆� (鏈 15 鍒�)
浜�銆佹按骞宠桓涓婅鏈夊叐鍊�(g猫)甯惰吉瀛� C 鍜� D锛岃吉鐨勫崐寰� r1=20cm锛宺2=40cm锛岃吉 C 鐨勮啝甯舵槸姘村钩鐨�锛�
鍏舵媺鍔� T1=2t1=800N, 杓� D 鐨勮啝甯舵垚閴涘瀭鏂瑰悜锛屽叾鎷夊姏 T2=2t2锛涗笉瑷�(j矛)杓�銆佽桓鐨勯噸閲忥紝姹�
鍦ㄥ钩琛℃儏娉佷笅鎷夊姏 T2 鍜� t2 鐨勫ぇ灏忓強杌告壙鍙嶅姏銆�(鏈 20 鍒�)
绗� 4 闋�(y猫)锛屽叡 6 闋�(y猫)
2018 骞寸ⅸ澹爺绌剁敓鎷涚敓鑰冭│瑭﹂
绉戠洰浠ｇ⒓鍙婂悕绋�: 919 鐞嗚珫鍔涘(xu茅) 閬╃敤灏堟キ(y猫)锛� 姗�(j墨)姊板伐绋�
锛堣珛(q菒ng)鑰冪敓鍦ㄧ瓟椤岀礄涓婄瓟椤岋紝鍦ㄦ瑭﹂绱欎笂绛旈鐒�(w煤)鏁堬級
鍏�銆佸叐閲嶇墿 1
M 鍜� 2
M 鐨勮唱(zh矛)閲忓垎鍒ョ偤 1
m 鍜� 2
m 锛岀郴鍦ㄥ叐姊濊唱(zh矛)閲忎笉瑷�(j矛)鐨勭供绱笂锛屽叐姊濈供绱�
鍒嗗垾绾忕篂鍦ㄥ崐寰戠偤 1
r 鍜� 2
r 鐨勫杓笂锛屽鍦栨墍绀�銆傚杓皪(du矛)杌� O 鐨勮綁(zhu菐n)鍕�(d貌ng)鎱ｉ噺鐐� 2
3
蟻m 锛� 3
m 鐐哄
杓殑璩�(zh矛)閲忥級锛岀郴绲�(t菕ng)鍦ㄩ噸鍔涗笅閬�(y霉n)鍕�(d貌ng)锛岃│姹傚杓殑瑙掑姞閫熷害鍜岃桓鎵� O 灏�(du矛)濉旇吉鐨勮睅鐩寸磩鏉熷姏銆傦紙鏈�
椤� 20 鍒嗭級
绗� 5 闋�(y猫)锛屽叡 6 闋�(y猫)
2018 骞寸ⅸ澹爺绌剁敓鎷涚敓鑰冭│瑭﹂
绉戠洰浠ｇ⒓鍙婂悕绋�: 919 鐞嗚珫鍔涘(xu茅) 閬╃敤灏堟キ(y猫)锛� 姗�(j墨)姊板伐绋�
锛堣珛(q菒ng)鑰冪敓鍦ㄧ瓟椤岀礄涓婄瓟椤�锛屽湪姝よ│椤岀礄涓婄瓟椤岀劇(w煤)鏁堬級
涓冦€佸鍦栨墍绀烘(j墨)妲�(g貌u)锛屾洸鏌� OA=r, AB=a, 鍦撹吉鍗婂緫鐐� R銆侽A 浠ュ嫽瑙掗€熷害 0
蠅
杞�(zhu菐n)鍕�(d貌ng)銆傝嫢
?
45?伪 锛�
尾 鐐哄凡鐭�锛屾眰姝ょ灛鏅�(sh铆)锛�
鈶� 婊戝 B 鐨勫姞閫熷害锛�
鈶� AB 妗跨殑瑙掑姞閫熷害锛�
鈶� 鍦撹吉 1
O 鐨勮閫熷害锛�
鈶� 妗� BO1 鐨勮閫熷害銆�
锛堝湏杓浉灏�(du矛)浜庡湴闈㈢劇(w煤)婊戝嫊(d貌ng)锛� 锛堟湰椤� 25 鍒嗭級
绗� 6 闋�(y猫)锛屽叡 6 闋�(y猫)
a
b
伪尾
B
r
0
蠅
A O
R
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