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1、精選優(yōu)質(zhì)文檔-傾情為你奉上機(jī)械原理課程設(shè)計鉸鏈?zhǔn)筋€式破碎機(jī)指導(dǎo)教師:畢艷麗設(shè)計: 王洪瑞 翟國勝 袁巖 班級:09-船修三班學(xué)號:日期:目錄一機(jī)構(gòu)簡介與設(shè)計數(shù)據(jù)····································
2、3;····3二圖解法連桿機(jī)構(gòu)運(yùn)動分析及動態(tài)靜力分析··········································
3、183;························5三桿組法顎式破碎機(jī)的運(yùn)動分析及動態(tài)靜力分析 ·····················
4、83;···········································11四飛輪設(shè)計·····
5、183;··············································21五主要收獲 ··
6、·················································22六參考文
7、獻(xiàn) ·················································
8、3;··22顎式破碎機(jī)一、機(jī)構(gòu)簡介與設(shè)計數(shù)據(jù)(1)機(jī)構(gòu)簡介 顎式破碎機(jī)是一種破碎礦石的機(jī)械,如圖所示,機(jī)器經(jīng)皮帶(圖中未畫)使曲柄2順時針回轉(zhuǎn),然后通過構(gòu)件3,4,5是動顎板6向左擺向固定于機(jī)架1上的定額板7時,礦石即被軋碎;當(dāng)動顎板6向右擺定顎板時,被軋碎的礦石即下落。 由于機(jī)器在工作過程中載荷變化很大,將影響曲柄和電動機(jī)的勻速運(yùn)轉(zhuǎn)。為了減小主軸速度的波動和電動機(jī)的容量,在O2軸的兩端各裝一個大小和重量完全相同的飛輪,其中一個兼作皮帶輪用。圖1.1 六桿鉸鏈?zhǔn)狡扑闄C(jī) 圖1.2 工藝阻力(2)設(shè)計數(shù)據(jù)設(shè)計內(nèi)容連桿機(jī)構(gòu)的遠(yuǎn)動分析 符號n2Lo2AL1L2h1h2lABlO4B
9、LBCLo6c單位r/minmm數(shù)據(jù)170100100094085010001250100011501960連桿機(jī)構(gòu)遠(yuǎn)動的動態(tài)靜力分析 飛輪轉(zhuǎn)動慣量的確定 IO6DG3JS3G4JS4G5JS5G6JS6mmNKg m2NKg m2NKg m2NKg m2600500025.520009200099000500.15 2.2 設(shè)計要求試比較兩個方案進(jìn)行綜合評價。主要比較以下幾方面:1. 進(jìn)行運(yùn)動分析,畫出顎板的角位移、角速度、角加速度隨曲柄轉(zhuǎn)角的變化曲線。2. 進(jìn)行動態(tài)靜力分析,比較顎板擺動中心運(yùn)動副反力的大小及方向變化規(guī)律,曲柄上的平衡力矩大小及方向變化規(guī)律。3. 飛輪轉(zhuǎn)動慣量的大小。二、連
10、桿機(jī)構(gòu)的運(yùn)動分析:(一)特殊位置(1)曲柄在1位置時,構(gòu)件2水平時, 以A為圓心,以1250mm為半徑畫圓,以O(shè)4為圓心,以1000mm為半徑畫圓,交于B點。以B為圓心1150mm為半徑畫圓, 再以O(shè)6 為圓心,以1960mm為半徑畫圓,在圓O6和圓B的交點為C。據(jù)此一位置各構(gòu)件位置確定。1 連桿機(jī)構(gòu)速度分析(1)位置12=pn/30=3.14X170/30=17.8rad/sVB = VA + VBAX AO2·2 XO4B AO2 ABVA= AO2·2=0.1X17.8=1.78m/s 根據(jù)速度多邊形,按比例尺=0.05(m/S)/mm,在圖2中量取VB和VBA的長度
11、數(shù)值:則VB=36.22X=1.81m/sVBA=8.99X=0.45m/sVC = VB + VCBX XO6C BC 根據(jù)速度多邊形, 按比例尺=0.05(m/S)/mm,在圖3中量取VC 和VCB的長度數(shù)值:VC=13.35×=0.67m/sVCB=34.26×=1.71m/s2加速度分析: 2=17.8rad/s a B= anB04 + atB04 = aA4 + anBA + atAB X X /BO4 BO4 /AO2 /BA AB aA= AO2× 22 =31.7m/s2anBA= VBA * VBA/ BA =0.33m/s2anB04 = V
12、B * VB /BO4 =3.28 m/s2 根據(jù)加速度多邊形圖按比例尺=0.1(m/s2)/mm量取atB04 atAB和a B 值的大?。?atB04 =be×=2.32 m/s2 atAB =ba× =27.98m/s2a B=pb× =28.00 m/s2aC= an06C+ at06C= aB + at CB+ an CB X X /O6C O6C CB /CB根據(jù)加速度多邊形按圖3按比例尺=0.1(m/s2)/mm量取aC、at06C和at CB數(shù)值:aC =pe× =6.47m/s2at06C=pc× =6.46m/s2at CB
13、=bc× =1.43m/s2 3.連桿機(jī)構(gòu)的動態(tài)靜力分析對各受力桿件列力平衡方程和力矩平衡方程桿6 Fry+F56X-F16x=m6a6x F16y-Fry-F56y+G6=m6a6y 對O6取矩 F56xl6x+1/2G6l6x+F56yl6y+1/2Frxl6y=J66的方程Fi6=1/2ao6c*m6=2968.7N Mi6=ao6ct/Lo6c*Js6=165.26N.M Fr16x+Fr*cos(4.96)+Fr56x-Fi6*cos(2.95)=0 Fr16y-Frsin(4.96)+Fi6*sin(2.95)+Fr56y-G6=0Fr*Lcd+1/2Lo6c*G6*si
14、n(4.96)+Fr56x*Lo6c*cos(4.96)-Mi6-Fr56y*Lo6c*sin(4.96)=0桿5 F45x-F65x=m5a5x F65y-F45y+G5=m5a5y對B點取矩 F65xl5y+1/2G5l5x-F65yl5x=J55的方程Fi5=as5*m5=660.9N Mi5=acbt/Lcb*Js5=50.6NMFr45x-Fr56x-Fi5*cos(1.1)=0Fr45y-Fr56y+Fi5sin(1.1)-G5=01/2Fi5*Lbc*sin( -7.26)-Mi5-Fr56y*Lbc*cos(7.260)-Fr56x*Lbc*sin(7.26)-1/2G5*Lb
15、c*cos(7.29)=0 桿4 F14x-F43x=m4a4x F14y-F43y+G4=m4a4y對B取矩 F14xl4x-1/2G4l4x-F14yl4y=J44的方程Fi4=as4*m4=424.9N Mi4=ao4bt/Lo4b*Js4=20.87NMFr14xFr45xFr43xFi4*cos(20.9)=0Fr14yFr45yFr43y+Fi4*sin(20.9)G4=01/2Fi4*Lo4b*sin(35.26)+(Fr45x+Fr43x)*Lo4b*sin(14.36)+Mi4-(Fr45y+Fr43y+1/2G4)*Lo4b*cos(14.36)=0 桿3 -F23x-F4
16、3x=m3a3x F23y-F43y+G3=m3a3y對B取矩 F23xl3x+1/2G3l3x-F23yl3y=J33的方程Fi3=as3*m3=709.26N Mi3=aabt/Lab*Js3=570.87NMFr23x+Fr43xFi3*cos(5.11)=0Fr23y+Fr43yG3+Fi3*sin(5.11)=01/2Fi3Lab*cos()+1/2G3*Lab*sin(3.27)-Mi3-Fr43y*Lab*sin(3.27)-Fr43x*Lab*cos(3.27)=0 2的方程Fr12x-Fr23x=0Fr12y-Fr23y-G2=0當(dāng)曲柄處于180。的時候, 所以通過列矩陣求解
17、 F12y =21230.3N F12x= 1578.42 N F32x=-4684N F32y =17812N F43x=6451N F43y =12970N F14x =-26061N F14y=-5790N F45x = -32915N F45y = 5332N F56x =-33575N F56y=3332 N F16x =-5335N F16y =20434N 三 桿組法顎式破碎機(jī)的運(yùn)動分析及動態(tài)靜力分析 機(jī)構(gòu)的結(jié)構(gòu)分析六桿鉸鏈?zhǔn)椒鬯闄C(jī)拆分為機(jī)架和主動件,構(gòu)件組成的RRR桿組,構(gòu)件組成的RRR桿組。+(1)調(diào)用bark函數(shù)對主動件進(jìn)行運(yùn)動分析。見表4.1。表4.1形式參數(shù)n1n2n3
18、kr1r2gamtwepvpap實值1201r120.00.0twepvpap(2)調(diào)用rrrk函數(shù)對由構(gòu)件組成的RRR桿組進(jìn)行運(yùn)動分析。見表4.2。表4.2形式參數(shù)mn1n2n3k1k2r1r2twepvpap實值142332r34r23twepvpap(3)調(diào)用rrrk函數(shù)對由構(gòu)件組成的RRR桿組進(jìn)行運(yùn)動分析。見表4.3。表4.3形式參數(shù)mn1n2n3k1k2r1r2twepvpap實值136545,r35r56twepvpap(4)程序清單:#include "graphics.h"#include "subk.c"#include "d
19、raw.c"main() static double p202,vp202,ap202; static double t10,w10,e10,del; static double pdraw370,vpdraw370,apdraw370,wdraw370; static int ic; double r12,r23,r34,r35,r56; double pi,dr; int i; FILE *fp; r12=0.1; r34=1.0; r23=1.250; r35=1.15; r56=1.96; p11=0.0; p12=0.0; p41=0.94; p42=-1.0; p61=-
20、1.0; p62=0.85; pi=4.0*atan(1.0); dr=pi/180.0; t1=0.0; w1=-17*pi/3; e1=0.0; del=15; printf("n The Kinematic Parameters of Point6n"); printf("No THETA1 t5 w5 e5n"); printf(" deg rad rad/s rad/s/sn"); ic=(int)(360.0/del); for(i=0;i<=ic;i+) t1=(-i)*del*dr-90*dr; bark(1,2
21、,0,1,r12,0.0,0.0,t,w,e,p,vp,ap); rrrk(1,4,2,3,3,2,r34,r23,t,w,e,p,vp,ap); rrrk(1,3,6,5,4,5,r35,r56,t,w,e,p,vp,ap); wdrawi=t1/dr; pdrawi=t5; vpdrawi=w5; apdrawi=e5; if(fp=fopen("六桿運(yùn)動.txt","w")=NULL) printf("Can't open this file./n"); exit(0); for(i=0;i<=ic;i+)prin
22、tf("%12.3f %12.3f %12.3f %12.3fn",wdrawi,pdrawi,vpdrawi,apdrawi);fprintf(fp,"%e %e %e %en",wdrawi,pdrawi,vpdrawi,apdrawi); if(i%18)=0)getch(); fclose(fp); getch(); draw1(del,pdraw,vpdraw,apdraw,ic);運(yùn)算結(jié)果:The Kinematic Parameters of Point5THETA1 t5 w5 e5deg rad rad/s rad/s/s-9.0000
23、0e+01 -1.63238e+00 -1.37677e-03 -1.01835e+01-1.05000e+02 -1.63348e+00 -1.45454e-01 -9.16482e+00-1.20000e+02 -1.63654e+00 -2.64803e-01 -6.90406e+00-1.35000e+02 -1.64108e+00 -3.45263e-01 -3.98081e+00-1.50000e+02 -1.64647e+00 -3.81662e-01 -1.00778e+00-1.65000e+02 -1.65210e+00 -3.77125e-01 1.51876e+00-1
24、.80000e+02 -1.65741e+00 -3.40696e-01 3.29712e+00-1.95000e+02 -1.66202e+00 -2.84290e-01 4.23741e+00-2.10000e+02 -1.66573e+00 -2.19724e-01 4.43601e+00-2.25000e+02 -1.66849e+00 -1.56345e-01 4.12137e+00-2.40000e+02 -1.67036e+00 -9.95969e-02 3.58405e+00-2.55000e+02 -1.67146e+00 -5.06328e-02 3.10541e+00-2
25、.70000e+02 -1.67188e+00 -6.91431e-03 2.89782e+00-2.85000e+02 -1.67166e+00 3.64486e-02 3.06340e+00-3.00000e+02 -1.67078e+00 8.48847e-02 3.57078e+00-3.15000e+02 -1.66912e+00 1.42323e-01 4.24740e+00-3.30000e+02 -1.66655e+00 2.09172e-01 4.79134e+00-3.45000e+02 -1.66295e+00 2.80705e-01 4.81744e+00-3.6000
26、0e+02 -1.65832e+00 3.46484e-01 3.95596e+00-3.75000e+02 -1.65286e+00 3.91648e-01 2.00206e+00-3.90000e+02 -1.64698e+00 4.00498e-01 -9.32100e-01-4.05000e+02 -1.64131e+00 3.61788e-01 -4.35539e+00-4.20000e+02 -1.63658e+00 2.73734e-01 -7.50567e+00-4.35000e+02 -1.63346e+00 1.46198e-01 -9.61223e+00-4.50000e
27、+02 -1.63238e+00 -1.37677e-03 -1.01835e+01五.機(jī)構(gòu)的動態(tài)靜力分析5.1六桿鉸鏈?zhǔn)筋€式破碎機(jī)的靜力分析(1)調(diào)用bark函數(shù)對主動件進(jìn)行運(yùn)動分析。見表4.1。(2)調(diào)用rrrk函數(shù)對由構(gòu)件組成的RRR桿組進(jìn)行運(yùn)動分析。見表4.2。(3)調(diào)用rrrk函數(shù)對由構(gòu)件組成的RRR桿組進(jìn)行運(yùn)動分析。見表4.3。(4)求各構(gòu)件的質(zhì)心7、8、9、10點及礦石破碎阻力作用點11點的運(yùn)動參數(shù)。見表5.1表5.5。表5.1 7點運(yùn)動參數(shù)形式參數(shù)n1n2n3kr1r2gamtwepvpap實值20720.0r270.0twepvpap表5.2 8點運(yùn)動參數(shù)形式參數(shù)n1n2n3
28、kr1r2gamtwepvpap實值40830.0r480.0twepvpap表5.3 9點運(yùn)動參數(shù)形式參數(shù)n1n2n3kr1r2gamtwepvpap實值30940.0r390.0twepvpap表5.4 10點運(yùn)動參數(shù)形式參數(shù)n1n2n3kr1r2gamtwepvpap實值601050.0r6100.0twepvpap表5.5 11點運(yùn)動參數(shù)形式參數(shù)n1n2n3kr1r2gamtwepvpap實值601150.0r6110.0twepvpap(5)調(diào)用rrrf對由桿組成的RRR桿組進(jìn)行靜力分析。見表5.6。表5.6形式參數(shù)n1n2n3ns1ns2nn1nn2nexfk1k2pvpaptwe
29、fr實值3659100111145pvpaptwefr(6)調(diào)用rrrf對由桿組成的RRR桿組進(jìn)行靜力分析。見表5.7。表5.7形式參數(shù)n1n2n3ns1ns2nn1nn2nexfk1k2pvpaptwefr實值4238730032pvpaptwefr(7)調(diào)用barf對主動件進(jìn)行靜力分析。見表5.8。表5.8形式參數(shù)n1ns1nn1k1papefrtb實值1121papefr&tb程序清單#include "graphics.h"#include "subk.c"#include "subf.c"#include "
30、;draw.c"main() static double p202,vp202,ap202,del; static double t10,w10,e10; static double sita1370,fr1draw370,sita2370,fr2draw370,sita3370,fr3draw370,tbdraw370,tb1draw370; static double fr202,fe202; static int ic; double r12,r23,r34,r35,r56; double r27,r48,r39,r610,r611; int i; double pi,dr;
31、double fr1,bt1,fr4,bt4,fr6,bt6,we1,we2,we3,we4,we5,tb,tb1; FILE*fp; sm1=0.0;sm2=500.0;sm3=200.0;sm4=200.0;sm5=900.0; sj1=0.0;sj2=25.5;sj3=9.0;sj4=9.0;sj5=50.0; r12=0.1; r23=1.25; r34=1.0; r35=1.15;r56=1.96; r27=r23/2; r48=r34/2; r39=r35/2; r610=r56/2; r611=0.6; pi=4.0*atan(1.0); dr=pi/180.0; w1=-170
32、*2*pi/60; e1=0.0; del=15; p11=0.0; p12=0.0; p41=0.94; p42=-1.0; p61=-1.0; p62=0.85; printf("n The Kineto-static Analysis of a Six-bar Linkasen");printf(" NO THETA1 FR1 BT1 FR4 BT4 FR6 BT6 TB TB1n");printf(" (deg.) (N) (deg.) (N) (deg.) (N) (deg.) (N.m) (N.m) n"); if(fp=
33、fopen("六桿受力.doc","w")=NULL) printf("Can't open this file./n"); exit(0); fprintf(fp,"n The Kineto-static Analysis of a Six-bar Linkasen");fprintf(fp," NO THETA1 FR1 BT1 FR4 BT4 FR6 BT6 TB TB1n" );fprintf(fp," (deg.) (N) (deg.) (N) (deg.) (N)
34、(deg.) (N.m) (N.m) n" ); ic=(int)(360.0/del); for(i=0;i<=ic;i+) t1=(-i)*del*dr; bark(1,2,0,1,r12,0.0,0.0,t,w,e,p,vp,ap); rrrk(1,4,2,3,3,2,r34,r23,t,w,e,p,vp,ap); rrrk(1,3,6,5,4,5,r35,r56,t,w,e,p,vp,ap); bark(2,0,7,2,0.0,r27,0.0,t,w,e,p,vp,ap); bark(4,0,8,3,0.0,r48,0.0,t,w,e,p,vp,ap); bark(3,
35、0,9,4,0.0,r39,0.0,t,w,e,p,vp,ap); bark(6,0,10,5,0.0,r610,0.0,t,w,e,p,vp,ap); bark(6,0,11,5,0.0,r611,0.0,t,w,e,p,vp,ap); rrrf(3,6,5,9,10,0,11,11,4,5,p,vp,ap,t,w,e,fr); rrrf(4,2,3,8,7,3,0,0,3,2,p,vp,ap,t,w,e,fr); barf(1,1,2,1,p,ap,e,fr,&tb); fr1=sqrt(fr11*fr11+fr12*fr12); bt1=atan2(fr12,fr11); fr4
36、=sqrt(fr41*fr41+fr42*fr42); bt4=atan2(fr42,fr41); fr6=sqrt(fr61*fr61+fr62*fr62); bt6=atan2(fr62,fr61); we1=-(ap11*vp11+(ap12+9.81)*vp12)*sm1-e1*w1*sj1; we2=-(ap71*vp71+(ap72+9.81)*vp72)*sm2-e2*w2*sj2; we3=-(ap81*vp81+(ap82+9.81)*vp82)*sm3-e3*w3*sj3; we4=-(ap91*vp91+(ap92+9.81)*vp92)*sm4-e4*w4*sj4; e
37、xtf(p,vp,ap,t,w,e,11,fe); we5=-(ap101*vp101+(ap102+9.81)*vp102)*sm5-e5*w5*sj5+fe111*vp111+fe112*vp112; tb1=-(we1+we2+we3+we4+we5)/w1; printf("%3d %7.1f %7.1f %7.1f %7.1f %7.1f %7.1f %7.1f %7.1f %7.1fn",i+1,t1/dr,fr1,bt1/dr,fr4,bt4/dr,fr6,bt6/dr,tb1,tb1);fprintf(fp,"%1d %7.1f %7.1f %7.
38、1f %7.1f %7.1f %7.1f %7.1f %7.1f %7.1fn",i+1,t1/dr,fr1,bt1/dr,fr4,bt4/dr,fr6,bt6/dr,tb1,tb1); tbdrawi=tb; tb1drawi=tb1; fr1drawi=fr1;sita1i=bt1; fr2drawi=fr4;sita2i=bt4; fr3drawi=fr4;sita3i=bt4; if(i%16)=0)getch(); fclose(fp); getch(); draw2(del,tbdraw,tb1draw,ic); draw3(del,sita1,fr1draw,sita2
39、,fr2draw,sita3,fr3draw,ic); getch();#include"math.h"extf(p,vp,ap,t,w,e,nexf,fe) double p202,vp202,ap202,t10,w10,e10,fe202; double pi,dr; pi=4.0*atan(1.0); dr=pi/180.0; if(w5<0) fenexf1=(-t1/dr-90.0)*(85000.0/182.0)*cos(-t5-pi/2); fenexf2=-(-t1/dr-90.0)*(85000.0/182.0)*sin(-t5-pi/2); els
40、efenexf1=0;fenexf2=0; 運(yùn)行結(jié)果: The Kineto-static Analysis of a Six-bar LinkaseNO THETA1 FR1 BT1 FR4 BT4 FR6 BT6 TB TB1 (deg.) (N) (deg.) (N) (deg.) (N) (deg.) (N.m) (N.m) The Kineto-static Analysis of a Six-bar Linkase NO THETA1 FR1 BT1 FR4 BT4 FR6 BT6 TB TB1 (deg.) (N) (deg.) (N) (deg.) (N) (deg.) (N.
41、m) (N.m) 1 0.0 4442.5 -157.9 2351.4 10.3 1669.1 5.0 534.3 534.32 -15.0 4901.8 144.8 2892.4 7.9 899.3 17.6 1038.1 1038.13 -30.0 8299.6 117.0 3106.8 5.1 488.2 138.1 1434.5 1434.54 -45.0 12072.4 106.5 3110.5 1.6 1814.6 171.7 1547.8 1547.85 -60.0 15119.0 101.3 3165.4 -1.1 3120.1 178.1 1271.0 1271.06 -75
42、.0 16826.9 97.9 3539.8 -0.3 4005.1 -179.3 644.2 644.27 -90.0 16909.1 94.8 4392.1 3.7 4247.2 -178.5 -144.6 -144.68 -105.0 3361.2 89.9 12148.1 14.6 9873.8 109.0 -883.8 -883.89 -120.0 11111.1 -79.8 19692.7 16.5 18718.3 95.0 -1407.8 -1407.810 -135.0 25758.8 -80.7 26713.5 16.8 27580.9 89.3 -1626.3 -1626.
43、311 -150.0 40085.4 -81.1 33069.4 16.2 36047.5 86.2 -1559.2 -1559.212 -165.0 53732.5 -81.7 38768.2 15.3 43999.9 84.4 -1292.9 -1292.913 -180.0 66530.2 -82.5 43954.6 14.1 51469.2 83.3 -931.2 -931.214 -195.0 78457.1 -83.7 48874.0 12.8 58577.5 82.9 -565.2 -565.215 -210.0 89592.8 -85.1 53826.3 11.6 65486.0 82.7 -261.0 -261.016 -225.0 .8 -86.7 59118.9 10.5 72355.8
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