煤矿掘进工作面JD

1、JD-25绞车一次牵引矿车数计算说明一、基本参数1、掘进工作面JD-25型调度绞车参数：牵引力18KN、钢丝绳直径15.5mm、平均绳速1.10m/s、最大绳速 1.08m/s、最小绳速 0.433m/s、容绳量 400m。2、配用钢丝绳6X19X15.5参数：钢丝绳直径d= 15.5mm，总断面积57.27mm2，钢丝绳单位长度重量 Pb=0.845kg/m，钢丝绳公称抗拉强度170kg/mm2，钢丝绳破断拉力总和Q =15200kg。3、U型固定车箱矿车参数：容积1.1 m3、名义载重量1t；空车自重Q=618kg、单车煤重量Q煤=1000 kg、单车矸重量Q砰石=1700 kg、单车煤矸

2、重量Q煤砰=1350 kg。4、7.5m3V型翻斗式矿车参数：名义载重量0.7t、最大载重量1.2t、空车自重Q=514kg、单车煤重量 Q煤=700 kg、单车矸重量Q砰石=1190 kg、单车煤矸重量Q煤砰=945kg。二、JD-25型调度绞车一次牵引矿车数计算：JD-25型调度绞车一次牵引矿车数主要是根据钢丝绳最大拉力确定，对 钢丝绳实际拉力的限制条件主要有三个：1、安全系数的限制根据煤矿安全规程规定，钢丝绳的安全系数应N6.5，钢丝绳实际 所受最大拉力应小于其破断拉力总和Qp的6.5倍，应为：Fmax=Qp / 6.5 = 15200kg / 6.5=2338kg=22917N。2、绞

3、车牵引力的限制条件JD-25型调度绞车最大牵引力为F额=18KN=18000N。3、功率的限制条件绞车的实际功率应不大于其额定功率？额即：NP额N= N= FmaV102nX 1.1 P =25KW额V绞车最大绳速，n绞车工作效率，取 85%；P P x 102 x门 则有 F max=Fr25 x 102 x 85%=1791322N1.10 x 1.13、绞车一次牵引矿车数计算由上述可知，JD-25型调度绞车最大钢丝绳牵引力应为Fmax=18000N。则确定JD-25型调度绞车一次牵引最大矿车数:F Nn (Q +Q) (sinB+fcosB) +P L (sin B+fcos B) X1

4、.1maxr1b2B轨道最大工作坡度，取值范围020。，可分别验算;L钢丝绳工作长度，取300 m； f1矿车阻力系数，取0.015； f2钢丝绳阻力系数，取0.20；Qr为单车煤或矸石或煤矸的重量，可分别验算;n煤或矸石或煤矸的数量;1.1备用安全系数。计算结果如下:JD-25型调度绞车一次牵引U型固定车箱矿车（空车）最多数目计算表n（Qr+Q）BsinB+f cosBsinB+f2cosB(Qr+Q)(sinB+f cosB)g =1P,L(sinB+fcCosB)g44618010.0150.20090.846317.5203361810.0320.217196.531345.17926

5、61820.0500.235302.156372.7332261830.0670.252407.689400.1731961840.0850.269513.098427.4921661850.1020.286618.350454.6801461860.1190.303723.415481.7301361870.1370.320828.258508.6331261880.1540.337932.850535.3811161890.1710.3541037.157561.96610618100.1880.3711141.149588.3809618110.2060.3871244.793614.6

6、159618120.2230.4041348.057640.6628618130.2400.4201450.911666.5148618140.2560.4361553.323692.1647618150.2730.4521655.262717.6027618160.2900.4681756.697742.8226618170.3070.4841857.596767.8156618180.3230.4991957.930792.5756618190.3400.5152057.668817.0936618200.3560.5302156.778841.362JD-25型调度绞车一次牵引U型固定车

7、箱矿车（煤车）最多数目计算表n(Qr+Q)BsinB+f cosBsinB+f cosB(Qr+Q)(sinB+f cosB)gP, L(sinB+fcosB)g321618010.01520.200z:1237.846b2317.52020161810.0320.217514.5423450500.235791.081372.73312161830.0670.2521067.3804000850.2691343.353427.4928161850.1020.2861618.917454.6807161860.1190.3031893.988

8、481.7306161870.1370.3202168.482508.6336161880.1540.3372442.316535.3815161890.1710.3542715.405561.96651618100.1880.3712987.668588.38041618110.2060.3873259.020614.61541618120.2230.4043529.379640.66241618130.2400.4203798.664666.51431618140.2560.4364066.791692.16431618150.2730.4524333.680717.60231618160

9、.2900.4684599.248742.82231618170.3070.4844863.416767.81531618180.3230.4995126.102792.57521618190.3400.5155387.227817.09321618200.3560.5305646.710841.362JD-25型调度绞车一次牵引U型固定车箱矿车（煤矸车）最多数目计算表n（Qr+Q）8sin8+f cos8sin8+f cos8(Qr+Q)(sinB+f.cosB)gP, L(sinB+fcosB)g291968010.01520.2001v289.296b2w317.52018196810.

10、0320.217625.8463450500.235962.205372.73310196830.0670.2521298.272400.1738196840.0850.2691633.943427.4927196850.1020.2861969.116454.6806196860.1190.3032303.689481.7305196870.1370.3202637.561508.6335196880.1540.3372970.629535.381_196890.1710.3543302.792561.96641968100.1880.3713633.949588.

11、38031968110.2060.3873963.999614.61531968120.2230.4044292.842640.66231968130.2400.4204620.377666.51431968140.2560.4364946.505692.16431968150.2730.4525271.126717.60221968160.2900.4685594.141742.82221968170.3070.4845915.453767.81521968180.3230.4996234.962792.57521968190.3400.5156552.572817.09321968200.

12、3560.5306868.187841.362JD-25型调度绞车一次牵引U型固定车箱矿车（矸车）最多数目计算表n(Qr+Q)8sin8+f cos8sin8+f2cos8(Qr+Q)(sin8+f cos8)gP, L(sin8+fcos8)g272318010.0150.200:1340.746b2317.52016231810.0320.217737.1503450500.2351133.329372.7339231830.0670.2521529.164400.1737231840.0850.2691924.532427.4926231850.1020.286

13、2319.314454.6805231860.1190.3032713.390481.7304231870.1370.3203106.639508.6334231880.1540.3373498.942535.3814231890.1710.3543890.179561.96632318100.1880.3714280.231588.38032318110.2060.3874668.979614.61532318120.2230.4045056.305640.66222318130.2400.4205442.091666.51422318140.2560.4365826.219692.1642

14、2318150.2730.4526208.572717.60222318160.2900.4686589.035742.82222318170.3070.4846967.490767.81522318180.3230.4997343.822792.57522318190.3400.5157717.918817.09322318200.3560.5308089.663841.362坡度（）空车（辆）煤车（辆）煤砰车（辆）砰车（辆）044322927133201816226151311322121094191087516876614765713654812654911544101054311943

15、3129433138432148332157332167322176322186322196222206222n（Qr+Q）BsinB+f cosBsinB+f2cosB(Qr+Q)(sinB+f cosB)gP, L(sinB+fcosB)g45514010.0150.2001I175.558b2317.5203551410.0320.217163.458345.1792851420.0500.235251.308372.7332451430.0670.252339.081400.1732151440.0850.269426.751427.4921851450.1020.286514.291

16、454.6801651460.1190.303601.675481.7301551470.1370.320688.875508.6331351480.1540.337775.865535.3811251490.1710.354862.619561.96611514100.1880.371949.111588.38010514110.2060.3871035.313614.61510514120.2230.4041121.200640.6629514130.2400.4201206.745666.5149514140.2560.4361291.923692.1648514150.2730.452

17、1376.707717.6028514160.2900.4681461.071742.8227514170.3070.4841544.991767.8157514180.3230.4991628.440792.5757514190.3400.5151711.393817.0936514200.3560.5301793.825841.362JD-25型调度绞车一次牵引7.5m3 V型翻斗式矿车（煤车）最多数目计算表n(Qr+Q)BsinB+f cosBsinB+f2cosB(Qr+Q)(sinB+f cosB)g :1PL(sinB+f2cosB)g361214010.0150.200178.4

18、58317.52024121410.0320.217386.0663450500.235593.556372.73314121430.0670.252800.8654000850.2691007.930427.49210121450.1020.2861214.688454.6809121460.1190.3031421.076481.7308121470.1370.3201627.032508.6337121480.1540.3371832.491535.3816121490.1710.3542037.393561.96661214100.1

19、880.3712241.674588.38051214110.2060.3872445.272614.61551214120.2230.4042648.125640.66251214130.2400.4202850.172666.51441214140.2560.4363051.350692.16441214150.2730.4523251.599717.60241214160.2900.4683450.858742.82241214170.3070.4843649.065767.81531214180.3230.4993846.161792.57531214190.3400.5154042.

20、085817.09331214200.3560.5304236.778841.362JD-25型调度绞车一次牵引7.5皿V型翻斗式矿车（煤肝车）最多数目计算表n（Qr+Q）BsinB+f cosBsinB+f2cosB(Qr+Q)(sinB+f cosB)gP, L(sinB+fcosB)g331459010.0150.2001I1_214.473b2317.52022145910.0320.217463.9783450500.235713.342372.73313145930.0670.252962.4894000850.2691211.3

21、43427.4929145950.1020.2861459.827454.6808145960.1190.3031707.867481.7307145970.1370.3201955.387508.6336145980.1540.3372202.311535.3815145990.1710.3542448.564561.96651459100.1880.3712694.071588.38051459110.2060.3872938.758614.61541459120.2230.4043182.549640.66241459130.2400.4203425.371666.51441459140

22、.2560.4363667.150692.16431459150.2730.4523907.811717.60231459160.2900.4684147.283742.82231459170.3070.4844385.491767.81531459180.3230.4994622.363792.57531459190.3400.5154857.827817.09331459200.3560.5305091.811841.362JD-25型调度绞车一次牵引7.5m3 V型翻斗式矿车（矸车）最多数目计算表n(Qr+Q)BsinB+f cosB 1sinB+f cosB 2(Qr+Q)(sinB+f cosB)g1I1_P L(sinB+f cosB)g31170400.0150.200250.488b2317.52020170410.0320.217541.8913450500.235833.129372.73311170430.0670.2521124.113400.1739170440.0850.2691414.755427.4928170450.1020.2861