Добавил:
ivanov666
Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз:
Предмет:
Файл:Шахтные стационарные установки. Расчет и выбор оборудования подъемных установок. Учебное пособие
.pdf
ȼɪɟɦɹɫɬɨɩɨɪɟɧɢɹɢɩɭɬɶɩɪɨɣɞɟɧɧɵɣɡɚɷɬɨɬɩɟɪɢɨɞ
V
ɞ
t
ɫɬ
ɦ
hVt
ɫɬ ɞ ɫɬ
ɚ
ɫɬ
ɫ
ɉɭɬɶɞɨɬɹɝɢɜɚɧɢɹɫɤɢɩɚɢɩɪɨɞɨɥɠɢɬɟɥɶɧɨɫɬɶɷɬɨɝɨɩɟɪɢɨɞɚ
hhh
ɞɫɬ
t
ɫɬ
ɦ
h
ɞ
V
ɞ
ɫ
ȼɪɟɦɹɡɚɦɟɞɥɟɧɧɨɝɨɞɜɢɠɟɧɢɹɢɩɭɬɶɩɪɨɣɞɟɧɧɵɣɡɚɷɬɨɬɩɟɪɢɨɞ
VV
ɦɚɯ ɮ ɞ
t
ɡ
ɚ
ɡ
VV
ɡɡ
ɦɚɯ ɮ ɞ
ht
ɫ
ɦ
ɉɭɬɶɩɪɨɣɞɟɧɧɵɣɡɚɜɪɟɦɹɪɚɜɧɨɦɟɪɧɨɝɨɯɨɞɚɢɩɪɨɞɨɥɠɢɬɟɥɶɧɨɫɬɶɷɬɨ
ɝɨɩɟɪɢɨɞɚ
hH hhh
ɦ
n
h
tV
ɦɚɯ ɮ
ɫ
Ɏɚɤɬɢɱɟɫɤɨɟɜɪɟɦɹɞɜɢɠɟɧɢɹɫɤɢɩɚ
Ɍ tttttt
ɮɞcɬ
ɫ
Ɍ
ɮ
Ɏɚɤɬɢɱɟɫɤɚɹɩɪɨɞɨɥɠɢɬɟɥɶɧɨɫɬɶɩɨɞɴɟɦɧɨɝɨɰɢɤɥɚ
ɫ
t
ɝɞɟ
±ɩɪɨɞɨɥɠɢɬɟɥɶɧɨɫɬɶɩɨɞɝɨɬɨɜɢɬɟɥɶɧɨɝɨɩɟɪɢɨɞɚɩɪɢɡɚɩɭɫɤɟɩɨɞɴɟɦ
nɞ
ɧɨɝɨɞɜɢɝɚɬɟɥɹ
ɌɌtt
ɰɮ ɮ nnɞ
ɫ
t
nɞ
Ɏɚɤɬɢɱɟɫɤɚɹɩɪɨɢɡɜɨɞɢɬɟɥɶɧɨɫɬɶɩɨɞɴɟɦɧɨɣɭɫɬɚɧɨɜɤɢ
m
ȺȺ
t t
ɱɮ ɱ
ɝɪ
Ɍ
ɰɮ
ɬɱ
8.2.6. ɉɨɫɬɪɨɟɧɢɟ ɞɢɚɝɪɚɦɦɵ ɭɫɢɥɢɣ
ɍɫɢɥɢɹ ɞɟɣɫɬɜɭɸɳɢɟ ɜ ɥɸɛɨɣ ɦɨɦɟɧɬ ɜɪɟɦɟɧɢ ɩɪɢ ɞɜɢɠɟɧɢɢ ɫɤɢɩɨɜ
ɨɩɪɟɞɟɥɹɟɦɩɨɨɫɧɨɜɧɨɦɭɭɪɚɜɧɟɧɢɸɞɢɧɚɦɢɤɢɩɨɞɴɟɦɧɵɯɭɫɬɚɧɨɜɨɤ
F ɤQpqH xmɚ r
ɞɜ inɩɪ i
ɝɞɟx±ɤɨɨɪɞɢɧɚɬɚɩɨɥɨɠɟɧɢɹɫɨɫɭɞɚɧɚiɣɩɪɨɦɟɠɭɬɨɤɜɪɟɦɟɧɢ
ɚ
±ɭɫɤɨɪɟɧɢɟiɝɨɩɟɪɢɨɞɚ
i
F
F ɤQpqHmɚ u
ɇ ɤɇ
u
F ɤQpqHhmɚ u
ɇ ɤɇ
uu
F ɤQpqHhmɚ u
ɇ ɤɇ
uu
F ɤQpqHhhmɚ u
> @ ɇ ɤɇ
uu
F ɤQpqHhh u
> @ ɇ ɤɇ
u
F ɤQpqHhhh u
> @ ɇ ɤɇ
u
F ɤQpqHhhh u
> @ ɇ ɤɇ
u
F ɤQpqHhhhh u
> @
uu
ɇ ɤɇ
¦¦
¦¦
¦¦
> @
¦¦
> @
¦¦
> @
¦¦
> @
¦¦
> @
¦¦
n ɩɪ
n ɩɪ
n ɩɪ
n ɩɪ
n
n
n
n
F ɤQpqHhhhh u
> @ ɇ ɤɇ
uu
> @
¦¦
n
F ɤQpqHhhhhh
> @
ɇ ɤɇ
> @
¦¦
n ɞ
F ɤQpqHhhhhhmɚ
> @
ɇ ɤɇ
F ɤQpqHHmɚ u
ɇ ɤɇ
u
> @
¦¦
¦¦
F
n ɞɩɪɫɬ
nnɩɪ ɫɬ
Ⱦɢɚɝɪɚɦɦɵɫɤɨɪɨɫɬɢɭɫɤɨɪɟɧɢɣɢɭɫɢɥɢɣɩɪɢɜɟɞɟɧɵɧɚɪɢɫ
Ɋɢɫɭɧɨɤ 8.2. Ɋɚɫɱɟɬɧɵɟ ɞɢɚɝɪɚɦɦɵ ɫɤɨɪɨɫɬɢ, ɭɫɤɨɪɟɧɢɣ ɢ ɭɫɢɥɢɣ
8.2.7. Ɉɩɪɟɞɟɥɟɧɢɟ ɷɤɜɢɜɚɥɟɧɬɧɨɣ ɦɨɳɧɨɫɬɢ ɩɨɞɴɟɦɧɨɝɨ ɞɜɢɝɚɬɟɥɹ
ɗɤɜɢɜɚɥɟɧɬɧɨɟɭɫɢɥɢɟɜɫɨɨɬɜɟɬɫɬɜɢɟɫ
Ɍ
Fdt
i
³
F
ɷɤɜ
T
ɰɷɤɜ
Ɍ
F
ɦ
ɪ
K
dt FFt FFt FFFFt
ɝɞɟ
i
³
FFt FFt FFt
Ɍ
Fdt
i
³
ɤɇ
ɞɫɬ
ɉɪɨɞɨɥɠɢɬɟɥɶɧɨɫɬɶɷɤɜɢɜɚɥɟɧɬɧɨɝɨɰɢɤɥɚ
Ɍ ttttttt t
ɰɷɤɜ ɞ ɫɬ ɩɞ n
DE
Ɍ
ɫ
ɰɷɤɜ
DE
ɝɞɟ
± ɤɨɷɮɮɢɰɢɟɧɬɵ ɭɱɢɬɵɜɚɸɳɢɟ ɭɯɭɞɲɟɧɢɟ ɭɫɥɨɜɢɣ ɨɯɥɚɠɞɟɧɢɹ
ɩɨɞɴɟɦɧɨɝɨɞɜɢɝɚɬɟɥɹ
DE
ɷɤɜ
F
ɤɇ ɇ
ɗɤɜɢɜɚɥɟɧɬɧɚɹɦɨɳɧɨɫɬɶɩɨɞɴɟɦɧɨɝɨɞɜɢɝɚɬɟɥɹ
FV
ɷɤɜ ɦɚɯ ɮ
P
ɷɤɜ
K
ɪɟɞ
ɤȼɬ
ɉɪɨɜɟɪɢɦɞɜɢɝɚɬɟɥɶɧɚɮɚɤɬɢɱɟɫɤɢɣɩɟɪɟɝɪɭɡɩɨɮɨɪɦɭɥɟ
ɝɞɟ
F
ɦɚɯ
JJ J
d
ɮ ɪɚɫ ɪɚɫ
F
ɧɨɦ
F
± ɧɚɢɛɨɥɶɲɟɟ ɭɫɢɥɢɟ ɩɪɢɧɢɦɚɟɦɨɟ ɢɡ ɩɨɫɬɪɨɟɧɧɨɣ ɞɢɚɝɪɚɦɦɵ ɭɫɢ
ɚɯ
ɥɢɣ
8.2.8. ɗɤɨɧɨɦɢɱɟɫɤɚɹ ɱɚɫɬɶ
Ɋɚɫɯɨɞ ɷɧɟɪɝɢɢ ɢ ɄɉȾ ɩɨɞɴɟɦɧɨɣ ɭɫɬɚɧɨɜɤɢ
Ɂɚɬɪɚɱɟɧɧɚɹɷɧɟɪɝɢɹɡɚɨɞɢɧɩɨɞɴɟɦɧɵɣɰɢɤɥɤȼɬāɱ
VFt
¦
W
ɡ
ɦɚɯ ɮ i
K
ɟɞ ɞɜ
F
¦
i
FFt FFt
ɤɇ ɫ
u
ɞɫɬ
u
ɡ
W
ɤȼɬ ɱ
tFFtFFtFFtFFt
Ɋɚɫɯɨɞɷɧɟɪɝɢɢɧɚɨɞɧɭɬɨɧɧɭɩɨɞɧɢɦɚɟɦɨɣɝɨɪɧɨɣɦɚɫɫɵ
W
ɡ
em
ɝɪ
ɤȼɬ ɱɬ
Ƚɨɞɨɜɨɣɪɚɫɯɨɞɷɧɟɪɝɢɢ
ȿɟȺ
ɤȼɬ ɱ
ɝɨɞ
ɉɨɥɟɡɧɚɹɷɧɟɪɝɢɹɭɫɬɚɧɨɜɤɢɩɪɢɜɵɩɨɥɧɟɧɢɢɨɞɧɨɝɨɩɨɞɴɟɦɧɨɝɨɰɢɤɥɚ
QHW
n
n
ɤȼɬ ɱ
ɄɉȾɩɨɞɴɟɦɧɨɣɭɫɬɚɧɨɜɤɢ
W
K
n
ɭɫɬ
W
ɡ
ɋɉɂɋɈɄɂɋɉɈɅɖɁɈȼȺɇɇɕɏɂɋɌɈɑɇɂɄɈȼ
ɉɪɚɜɢɥɚɛɟɡɨɩɚɫɧɨɫɬɢɜɭɝɨɥɶɧɵɯɲɚɯɬɚɯ±ɏɂɡɞɚɬɟɥɶɫɬɜɨ©Ɏɨɪɬª±
ɫ
ɒɚɯɬɧɵɟɩɨɞɴɟɦɧɵɟɭɫɬɚɧɨɜɤɢɞɥɹɫɬɭɞɟɧɬɨɜɫɩɟɰɢɚɥɶɧɨɫɬɢ«
ɋɨɫɬəɰɟɧɤɨ Ⱥ Ɏ ɋɟɥɢɜɪɚ ɋ Ⱥ Ʉɨɥɨɦɢɟɰ ȼ ɋɁɭɣɤɨɜ Ⱥ Ʌ±Ⱦɨɧɟɰɤ
ȾɨɧɇɌɍɫ
Ⱦɢɦɚɲɤɨ Ɏ Ⱦ ɒɚɯɬɧɵɟ ɷɥɟɤɬɪɢɱɟɫɤɢɟ ɥɟɛɟɞɤɢ ɢ ɩɨɞɴɟɦɧɵɟ ɦɚɲɢɧɵ
ɋɩɪɚɜɨɱɧɢɤɎ Ⱦ Ⱦɢɦɚɲɤɨ ɂəȽɟɪɲɢɤɨɜ Ⱥ ȺɄɪɟɜɧɟɜɢɱ± ɟ ɢɡɞ ±
Ɇɇɟɞɪɚ±ɫ
ȻɟɠɨɤȼɊɊɭɤɨɜɨɞɫɬɜɨɩɨɪɟɜɢɡɢɢɧɚɥɚɞɤɟɢɢɫɩɵɬɚɧɢɸɲɚɯɬɧɵɯɩɨɞɴɟɦ
ɧɵɯ ɭɫɬɚɧɨɜɨɤ ɇɨɪɦɚɬɢɜɧɨɟ ɩɪɨɢɡɜɨɞɫɬɜɟɧɧɨɩɪɚɤɬɢɱɟɫɤɨɟ ɢɡɞɚɧɢɟȻɟ
ɠɨɤȼɊɄɚɥɢɧɢɧ ȼ Ƚ ɄɨɧɨɩɥɹɧɨɜȼȾɄɭɪɱɟɧɤɨ ȿ Ɇ ɉɨɞɨɛɳɪɟ
ɞɚɤɰɢɟɣ ȼ Ⱥ Ʉɨɪɫɭɧɚ ɢɡɞɚɧɢɟ ɩɟɪɟɪɚɛ ɢ ɞɨɩ ± Ⱦɨɧɟɰɤ Ⱦɨɧɟɱɱɢɧɚ
±ɫɬɚɛɥɢɥɫɩɢɫɨɤɥɢɬɟɪɚɬɭɪɵ±ɧɚɡɜ
ɋɬɨɪɨɠɟɧɤɨ Ɇ Ⱥ Ⱥɩɩɚɪɚɬɭɪɚ ɭɩɪɚɜɥɟɧɢɹ ɪɭɞɧɢɱɧɵɦɢ ɩɨɞɴɟɦɧɵɦɢɭɫɬɚ
ɧɨɜɤɚɦɢɆȺɋɬɨɪɨɠɟɧɤɨȺɎɄɨɪɟɣȺɄɆɚɫɥɢɣ±Ɇɇɟɞɪɚ±
ɫ
ɉɟɫɜɢɚɧɢɞɡɟȺȼɊɚɫɱɟɬɲɚɯɬɧɵɯɩɨɞɴɟɦɧɵɯɭɫɬɚɧɨɜɨɤɍɱɟɛɩɨɫɨɛɢɟɞɥɹ
ɜɭɡɨɜȺȼɉɟɫɜɢɚɧɢɞɡɟ±Ɇɇɟɞɪɚ±ɫɢɥ
Ɇɟɬɨɞɢɱɟɫɤɢɟ ɭɤɚɡɚɧɢɹ ɤ ɩɪɨɟɤɬɢɪɨɜɚɧɢɸ ɲɚɯɬɧɵɯ ɩɨɞɴɟɦɧɵɯ ɭɫɬɚɧɨɜɨɤ
ɞɥɹ ɫɬɭɞɟɧɬɨɜ ɫɩɟɰɢɚɥɶɧɨɫɬɟɣ ɋɨɫɬ ɇ ɂ əɰɟɧɤɨ
ɉɎɁɢɦɚȼȼȽɭɥɢɧ±ȾɨɧɟɰɤȾɉɂ±ɫ
Ɇɟɬɨɞɢɱɟɫɤɢɟ ɭɤɚɡɚɧɢɹ ɤ ɜɵɩɨɥɧɟɧɢɸ ɤɭɪɫɨɜɨɝɨ ɩɪɨɟɤɬɚ ɩɨ ɤɭɪɫɭ ©ɒɚɯɬ
ɧɵɟɩɨɞɴɟɦɧɵɟɭɫɬɚɧɨɜɤɢɞɥɹ ɫɬɭɞɟɧɬɨɜ ɫɩɟɰɢɚɥɶɧɨɫɬɟɣ ɫɩɟɰɢɚɥɢɡɚ
ɰɢɹ ©ɗɤɫɩɥɭɚɬɚɰɢɹ ɷɥɟɤɬɪɨɦɟɯɚɧɢɱɟɫɤɨɝɨ ɨɛɨɪɭɞɨɜɚɧɢɹ ɳɚɯɬª ± ȽɗɆ
ɋɨɫɬȺȺȻɟɥɨɰɟɪɤɨɜɫɤɢɣɇɂəɰɟɧɤɨ±ȾɨɧɟɰɤȾɉɂ±ɫ
ɍɱɟɛɧɨɟ ɩɨɫɨɛɢɟ ɤ ɥɚɛɨɪɚɬɨɪɧɵɦ ɪɚɛɨɬɚɦ ɩɨ ɢɡɭɱɟɧɢɸ ɤɨɧɫɬɪɭɤɰɢɣ ɬɨɪ
ɦɨɡɧɵɯɭɫɬɪɨɣɫɬɜɲɚɯɬɧɵɯɩɨɞɴɟɦɧɵɯɦɚɲɢɧɞɥɹɫɬɭɞɟɧɬɨɜ ɝɨɪɧɵɯ ɫɩɟɰɢ
ɚɥɶɧɨɫɬɟɣɋɨɫɬɇɂəɰɟɧɤɨ±ȾɨɧɟɰɤȾɨɧȽɌɍ±ɫ
ɉɊɂɅɈɀȿɇɂə
ɉɪɢɥɨɠɟɧɢɟȺ
Ɍɚɛɥɢɰɚ Ⱥ.1
ɋɤɢɩɵɞɥɹɭɝɨɥɶɧɵɯɲɚɯɬ
Ɍɢɩ
ɫɤɢɩɚ
ɭɫɬɪɨɣɫɬɜɨɦɬ
ȼɦɟɫɬɢɦɨɫɬɶɤɭɡɨɜɚɦ
Ƚɪɭɡɨɩɨɞɴɟɦɧɨɫɬɶɬ
Ɇɚɫɫɚɫɤɢɩɚɫɩɪɢɰɟɩɧɵɦ
ɋɤɢɩɵɞɥɹɨɞɧɨɤɚɧɚɬɧɵɯɩɨɞɴɟɦɧɵɯɭɫɬɚɧɨɜɨɤ
ɋɇ±
ɋɇ±
ɋɇ±
ɋɇ±
ɋɇ±
ɋɇ±
ɋɇ±
ɋɇ±
ɋɤɢɩɵɞɥɹɦɧɨɝɨɤɚɧɚɬɧɵɯɩɨɞɴɟɦɧɵɯɭɫɬɚɧɨɜɨɤ
ɋɇ±
ɋɇ±
ɋɇ± ±
ɋɇ±
ɋɇ±
ɋɇ±
ɋɇ±
ɋɇ±
ɋɇ±
ɋɇ±
ɋɇ± ±
ɠɢɦɤɚɦ
ȼɵɫɨɬɚɫɤɢɩɚɞɨɩɨɫɥɟɞɧɟɝɨ
ɩɨɞɛɭɧɤɟɪɨɦɦ
ɉɪɟɜɵɲɟɧɢɟɪɚɦɵ
Ɋɚɡɝɪɭɡɨɱɧɵɣɭɱɚɫɬɨɤɩɭɬɢɦ
ɒɢɪɢɧɚɫɤɢɩɚɦ
Ⱦɥɢɧɚɫɤɢɩɚɦ
ɫɤɢɩɨɜɦ
Ɋɚɫɫɬɨɹɧɢɟɦɟɠɞɭɨɫɹɦɢ
Ɍɚɛɥɢɰɚ Ⱥ.2
Ʉɚɧɚɬɵɩɨɞɴɟɦɧɵɟ
Ⱦɢɦɟɬɪ
ɤɚɧɚɬɚ
Ɋɚɫɱɟɬɧɚɹ
ɦɚɫɫɚɨɞɧɨɝɨ
ɦɦ
ɦɟɬɪɚ
ɫɦɚɡɚɧɧɨɝɨ
ɤɚɧɚɬɚɤɝɦ
ɆɚɪɤɢɪɨɜɨɱɧɚɹɝɪɭɩɩɚɩɨɜɪɟɦɟɧɧɨɦɭɫɨɩɪɨɬɢɜɥɟɧɢɸɪɚɡɪɵɜɭɆɉɚɤɝɫɦɦ
Ɋɚɫɱɟɬɧɨɟɫɭɦɦɚɪɧɨɟɪɚɡɪɵɜɧɨɟɭɫɢɥɢɟɜɫɟɯɩɪɨɜɨɥɨɤɜɤɚɧɚɬɟɧɟɦɟɧɟɟɤɇ
ɄɚɧɚɬɵɞɜɨɣɧɨɣɫɜɢɜɤɢɬɢɩɚɅɄ± Ɋɩɨɞɴɟɦɧɵɟ
ɄɚɧɚɬɵɞɜɨɣɧɨɣɫɜɢɜɤɢɬɢɩɚɅɄɊɈɩɨɞɴɟɦɧɵɟ
ȼɵɩɢɫɤɚɢɡȽɈɋɌ
ȼɵɩɢɫɤɚɢɡȽɈɋɌ
ɉɪɨɞɨɥɠɟɧɢɟ ɬɚɛɥɢɰɵ Ⱥ.2
Ʉɚɧɚɬɵɞɜɨɣɧɨɣɫɜɢɜɤɢɬɪɟɯɝɪɚɧɧɨɩɪɹɞɧɨɣɤɨɧɫɬɪɭɤɰɢɢɩɨɞɴɟɦɧɵɟ
ȼɵɩɢɫɤɚɢɡȽɈɋɌ
ɂɫɩɨɥɧɟɧɢɟ,
ɂɫɩɨɥɧɟɧɢɟ,,
Соседние файлы в предмете [НЕСОРТИРОВАННОЕ]