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1.2 Éè¼ÆºÍ½¨Ôì¹æ·¶
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1.4 ÔØÖØÁ¿¼°»õÓͲÕ
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1.6 ÎÈÐÔÓëÊʺ½ÐÔ
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1.7 ´¬Ìå½á¹¹
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1.9 ¶¯Á¦×°ÖÃ
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1.10 µçÆøÉ豸
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1.11 ´¬Ô±¶¨¶î¼°²ÕÊÒ²¼ÖÃ
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2.1 ĸÐÍ´¬×ÊÁÏ
ΪÁ˽â¾öÉè¼ÆÒªÇóÖжÖλС£¬×°ÔØÁ¿´óºÍÖ÷»ú¹¦ÂÊС£¬³Ôˮdz¶øº½ËÙÒªÇó¸ßÕâÁ½´óì¶Ü£¬±¾ÎĹ㷺ÊÕ¼¯Á˹úÄÚÍâÏÖÓÐÖÐСÐÍÓÍ´¬µÄ×ÊÁϲ¢¼ÓÒÔ·ÖÎö£¬´ÓÖÐÎüÈ¡ÆäÓŵã
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2.1ĸÐÍ´¬×ÊÁÏ 1200t 2000t 2000t 2560t 3000t 300t 600t 700t Lwl Lpp B D T Cb Cm Cp 55.00 49.44 40 46.00 53.90 7 2.00 8 2.00 78.70 8 3.00 85.80 10.5 10.60 7.80 13.60 1 3.60 13.60 1 3.80 14.80 2.1 3.60 4.00 3.20 4.10 4.00 4.50 4.80 1.3 2.40 3.60 2.40 3.20 3.20 3.60 3.80 0.75 0.77 0.77 0.80 0.80 0.985 0.964 0.785 0.798 0.969 0.974 0.823 0.817 L/B 3.81 4.34 6.91 5.29 6.03 5.79 6.01 5.80 B/T 8.08 4.42 2.17 5.67 4.25 4.25 3.83 3.89 D/T 1.62 1.50 1.11 1.33 1.28 1.25 1.25 1.26 L/T 19.05 12.78 13.48 2 2.50 2 0.00 19.68 1 8.44 17.88 ÅÅË®Á¿ . 1028.1147.50 07 ÔØ»õÁ¿ 280.0600.0783.40 0 5 ?DW
0.58 0.61 0.74 0.77 0.77 2.2 ¿Õ´¬ÖØÁ¿¼ÆËã
¿Õ´¬ÖØÁ¿LW°´´¬Ìå¸ÖÁÏÖØÁ¿Whô¯×°Éè±¸ÖØÁ¿Wf¼°»úµçÉè±¸ÖØÁ¿WmÈý´óÏîÀ´¹ÀËã
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Wh=Ch*(L*B*D+L* (B+D)) ȡCh=0.090
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Wf=Cf*L*(B+D) È¡ Cf=0.029
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Wm=Cm*BHP ȡCm=0.129
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2.3ÖØÁ¦¸¡Á¦Æ½ºâ¼°Ö÷³ß¶ÈµÄÈ·¶¨
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ŵÂüϵÊý
N =
1Wh2WfWm1?[??(?)]?3??
µ±|DW-DW¡¯|<1tʱ£¬ÈÏΪÂú×ãÖØÁ¦¸¡Á¦Æ½ºâ
µ±|DW-DW¡¯|>1tʱ£¬²»Âú×㣬±£³ÖCb£¬D£¬d ²»±ä£¬¸Ä±äLppºÍB£¬Æä¸Ä±äÁ¿°´ÏÂʽ¼ÆËã:
?L?B?? ??L0B02??0ÆäÖУ¬ DWΪÈÎÎñÊ鹿¶¨µÄÔØÖØÁ¿
DW¡¯ÎªÉè¼Æ·½°¸µÄÔØÖØÁ¿
¸ù¾Ý¿Õ´¬ÖØÁ¿£¬ÅµÂüϵÊý·¨¹ý³Ì±àÖÆ³ÌÐò(¼û¸½Â¼Ò») Ñ¡ÔñÆß¸ö²»Í¬µÄÖ÷³ß¶ÈµÄ³õʼ·½°¸£¬µÃµ½µÄ½á¹ûÈç±í2.2
±í2.2Ö÷³ß¶È·½°¸ ·½°¸ ·½°¸1 ·½°¸2 ·½°¸3 ³õ¶¨ ÖÕ¶¨ ³õ¶¨ ÖÕ¶¨ ³õ¶¨ ÖÕ¶¨ Lpp(m) B(m) ?DW ? (m3) Cb(m) 46.000 10.600 0.700 47.000 10.400 0.700 48.000 10.000 0.700 47.134 10.860 0.667 749.000 0.665 48.198 10.665 0.666 750.648 0.638 49.072 10.223 0.670 746.163 0.650 - 4 -
500¶ÖÓÍ´¬·½°¸Éè¼Æ
·½°¸4 ·½°¸5 ·½°¸6 ·½°¸7 ³õ¶¨ ÖÕ¶¨ ³õ¶¨ ÖÕ¶¨ ³õ¶¨ ÖÕ¶¨ ³õ¶¨ ÖÕ¶¨ 49.000 9.500 49.880 9.670 50.000 9.500 51.054 9.700 51.000 9.500 52.285 9.739 52.000 9.500 53.528 9.779 0.700 0.700 0.700 0.700 0.676 740.000 0.670 0.672 744.361 0.657 0.666 750.234 0.644 0.661 756.200 0.631 :
Éè¼ÆÒ»Ìõд¬£¬Òª±£Ö¤¸¡ÐÔ£¬ÎÈÐÔ£¬¿ìËÙÐÔ£¬ÈÝÁ¿£¬²¼Öõȼ¼ÊõÒªÇó£¬ÒªÂú×ã´¬Î룬´¬Ì¨£¬º½µÀµÈÏÞÖÆÌõ¼þ£¬»¹ÒªµÃµ½×î¼ÑµÄ¾¼ÃÐ§Òæ.±¾´¬µÄÉè¼ÆÖ÷Òª¿¼ÂǵÄÊÇ´¬²°µÄ¾¼ÃÐÔ£¬¼´ÔÚÒ»¶¨µÄÖ÷»ú¹¦ÂÊ(2¡Á260KW)Ï´ﵽ½Ï¸ßµÄº½ËÙ.ÔÚ¹ÀËãÉè¼Æ´¬µÄº½ËÙµÄʱºò²ÉÓú£¾ü²¿ÏµÊý·¨£¬ÔÚ7¸ö²»Í¬µÄ·½°¸ÖУ¬È¡º½Ëٽϸߣ¬ÇÒ¸÷³ß¶È±ÈºÏÀíµÄ×÷Ϊ×îÖÕ·½°¸
º£¾ü²¿ÏµÊý·¨ÖУ¬ ²ÉÓÃÄÚºÓ´¬Éè¼ÆÊÖ²á546Ò³³¤½B¼¶º½ÇøÓÍ´¬Îª²Î¿¼Ä¸ÐÍ´¬
3?03v08223?16.23c====690.87 BHP2?270022v=3c?BHP?23
·ÖÎöº£¾ü²¿ÏµÊý·¨£¬ÎÒÃDz»ÄÑ¿´³ö£¬¶ÔÓÚͬһÌõĸÐÍ´¬£¬ÔÚÏàͬµÄÖ÷
»ú¹¦ÂÊÏ£¬ ?ԽС£¬£¬ÔòËÙ¶ÈÔ½´ó£¬¶ø?ԽСͬʱ¿ÉÒÔÔÚÏàÍ¬ÔØÖØÁ¿Ï¿մ¬ÖØÁ¿Ò²Ô½Ð¡£¬´Ó¶ø½µµÍ´¬²°µÄÔì¼Û£¬³öÓÚÒÔÉÏ¿¼ÂÇ£¬¹ÊÑ¡Ôñ·½°¸4Ϊ±¾´¬Ö÷³ß¶ÈµÄ×îÖÕ·½°¸£¬¾ßÌåÊý¾ÝÈçÏÂ:
Á½Öù¼ä³¤ Lpp = 49.880 m Ë®Ï߼䳤 Lwl = 1.03Lpp= 51.38 m
ÐÍ ¿í B = 9.67 m
ÐÍ Éî D = 3.00m ³Ô Ë® d = 2.20m ÅÅË®Á¿ ? = 740 t ÔØÖØÁ¿ÏµÊý ?DW = 0.676
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500¶ÖÓÍ´¬·½°¸Éè¼Æ
·½ÐÎϵÊý Cb =
?/?k = 0.670
Lpp*B*dÆäÖÐ ?=1.00ÊÇË®µÄÃܶÈ
ÖкáÆÊÃæÏµÊý Cm=0.965
¸ù¾Ý<<´¬²°×èÁ¦>>P117ÓÉCbѡȡ
ÀâÐÎϵÊý Cp =
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CbCm = 0.694
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3 ÐÔÄÜУºË
3.1 º½ËÙУºË
±¾´¬²ÉÓú£¾ü²¿ÏµÊý·¨½øÐк½ËÙУºË£¬È¡ÄÚºÓ´¬Éè¼ÆÊÖ²á546Ò³³¤½B¼¶º½ÇøÓÍ´¬Îª²Î¿¼Ä¸ÐÍ´¬
3?03v08223?16.23c===690.87 BHP2?270022v=3Âú×㺽ËÙÒªÇó
c?BHP?23=3690.87?2?26074023=16.38km/h
3.2 ÈÝ»ýУºË
±¾´¬µÄÈÝ»ýУºË²ÉÓÃÓë<<´¬²°Éè¼ÆÔÀí>>P138Ïà½üµÄ·½·¨½øÐмÆËã ±¾´¬²ÉÓÃË«µ×½á¹¹£¬°´2002°æ¡¶¸ÖÖÊÄÚºÓ´¬²°Èë¼¶Ó뽨Ôì¹æ·¶¡·£¬Ë«²ãµ×µÄ¸ß¶ÈhÈ¡800mm£¬£¬ Ë«²ã¿Çºñ¶ÈÈ¡800mm.Èôʹ±¾´¬ÈÝ»ýÂú×ãÒªÇóÔòÓÐ:
Vtk>Vcn ¼° (VD-Vtk)>Vbn ʽÖУ¬ VtkΪ»õÓͲÕÄÜÌṩµÄÈÝ»ý£¬ m3
VDΪ»õÓÍÇøÄÜÌṩµÄ×ÜÈÝ»ý£¬ m3
VcnΪ»õÓÍËùÐèµÄÈÝ»ý£¬ m3 VbnÎªÑ¹ÔØËùÐèÈÝ»ý£¬ m3
±¾´¬Äܹ»ÌṩµÄ×ÜÈÝ»ýVD°´ÏÂʽͳ¼ÆÊ½¼ÆËã:
VD=Kv¡ÁLc¡ÁB¡ÁD¡ÁCmd
Kv=0.6596+0.6747¡ÁCb-0.3022¡ÁKc
Cmd=1-d/D(1-Cm)
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LcΪ»õÓÍÇø³¤¶È£¬±¾´¬È¡Îª31m
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±¾´¬»õÓͲÕÄÜÌṩµÄÈÝ»ýVtk°´ÏÂʽ¼ÆËã:
Ka =(0.25¡ÁCb+0.702)¡Á(0.95+0.018¡Áb)
= (0.25¡Á0.670+0.702)¡Á(0.95+0.018¡Á0.8) = 1.094
Vtk =Ka¡ÁLc¡Á (B-2b)¡Á(D-h)
= 1.094¡Á31¡Á (9.67-1.6) ¡Á(3-0.8) = 603m3
±¾´¬Ö÷»úȼÓÍÏûºÄÂÊΪ198g/kW?h£¬º½³ÌΪ1370km£¬º½ËÙΪ16.38km/h£¬È¼ÓÍ´¢±¸10%£¬ÔòË«³ÌȼÓÍÖØÁ¿Îª:
2¡Á260¡Á2¡Á198¡Á1370/16.38/1000=19t
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3.3 ¸ÉÏÏУºË
Ïļ¾×îС¸ÉÏÏF°´ÏÂʽ¼ÆËã:
F = F0+f1+f2+f3+f4+f5 (mm)
ʽÖÐ £¬F0¡ª´¬µÄ»ù±¾¸ÉÏÏ£¬mm£»
f1¡ª´¬³¤Ð¡ÓÚ100mµÄ´¬²°µÄ¸ÉÏÏÐÞÕý£¬mm£» f2¡ª·½ÐÎϵÊý¶Ô¸ÉÏϵÄÐÞÕý£¬mm£» f3¡ªÐÍÉî¶Ô¸ÉÏϵÄÐÞÕý£¬mm£»
f4¡ªÓÐЧÉϲ㽨ÖþºÍΧ±ÎÊÒ¶Ô¸ÉÏϵÄÐÞÕý£¬mm£» f5¡ª·Ç±ê×¼ÏÏ»¡¶Ô¸ÉÏϵÄÐÞÕý£¬mm£»
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F0=443 mm
(2) ´¬³¤Ð¡ÓÚ100mµÄ´¬²°µÄ¸ÉÏÏÐÞÕý f1
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f1= 0 mm
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f2=£3mm
(4) ÐÍÉî¶Ô¸ÉÏϵÄÐÞÕý f3
Lf3=(D - )R (mm)
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LÓÉÓÚD - <0£¬È¡
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FQ =F -
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q= Lwl¡ÁB¡ÁCwl¡Á1.025/100
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FQ=394 mm£»
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GM£½Zb£«r£Zg£¦Äh
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a1 =0.85-0.372Cb/C¦Ø£½0.85£0.372¡Á0.670£¯0.77£½0.526 a2=(0.1363 C¦Ø-0.0545)/Cb=(0.1363¡Á
0.77-0.0545)/0.670=0.075
Zb = a1d=0.526¡Á2.2=1.158m
r =a2B2/d=0.075¡Á9.672/2.2=3.2m Zg =0.6D=0.6¡Á3=1.8m ¦Äh =0
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