ລະບົບຕ່ອງໂສ້ Hoist
ປະເພດ
ຍົກ ແລະ lashing, ຕ່ອງໂສ້ hoisting,ລະບົບຕ່ອງໂສ້ເຊື່ອມຕໍ່ສັ້ນ, ການຍົກຕ່ອງໂສ້ເຊື່ອມຕໍ່ຮອບ,ຕ່ອງໂສ້ເກຣດ T, ຕ່ອງໂສ້ DAT ເກຣດ,ເກຣດ DT chain, DIN EN 818-7ລະບົບຕ່ອງໂສ້ເຊື່ອມຕໍ່ສັ້ນເພື່ອຈຸດປະສົງຍົກ,ລະບົບຕ່ອງໂສ້ hoist ຄວາມທົນທານທີ່ດີ,ຕ່ອງໂສ້ເຫຼັກໂລຫະປະສົມ
ຄໍາຮ້ອງສະຫມັກ
ຍົກ ແລະ lashing, ຍົກ Loads, Loading binding
ຮູບທີ 1: hoist chain / links
ກະແຈ
| 1 | ເສັ້ນຜ່າສູນກາງຂອງການເຊື່ອມຕໍ່ | l | ແມ່ນຄວາມຍາວ pitch ຫຼາຍ |
| p | ແມ່ນ pitch ໄດ້ | dm | ແມ່ນເສັ້ນຜ່າສູນກາງວັດສະດຸຕາມການວັດແທກ |
| ds | ແມ່ນເສັ້ນຜ່າສູນກາງການເຊື່ອມ | e | ແມ່ນຄວາມຍາວທີ່ໄດ້ຮັບຜົນກະທົບຈາກການເຊື່ອມໂລຫະ |
| w3 | ແມ່ນຄວາມກວ້າງພາຍໃນຂອງການເຊື່ອມ | w2 | ແມ່ນຄວາມກວ້າງພາຍນອກຫຼາຍກວ່າການເຊື່ອມ |
ຕາຕະລາງ 1: hoist chain / link dimensions (mm)
| Nominal size dn | Material diamຕະຫຼອດໄປtolerance | Pitch | Wiດທ | Gauge length of 11 x pn | Wເຖົ້າ diamຕະຫຼອດໄປ ds max. | |||
|
pn |
tolerance1) | interນາ w3 min. | external w2 max. |
l |
tolerance1) | |||
| 4 | ± 0.2 | 12 | 0.25 | 4.8 | 13.6 | 132 | 0.6 | 4.3 |
| 5 | ± 0.2 | 15 | 0.3 | 6.0 | 17.0 | 165 | 0.8 | 5.4 |
| 6 | ± 0.2 | 18 | 0.35 | 7.2 | 20.4 | 198 | 1.0 | 6.5 |
| 7 | ± 0.3 | 21 | 0.4 | 8.4 | 23.8 | 231 | 1.1 | 7.6 |
| 8 | ± 0.3 | 24 | 0.5 | 9.6 | 27.2 | 264 | 1.3 | 8.6 |
| 9 | ± 0.4 | 27 | 0.5 | 10.8 | 30.6 | 297 | 1.4 | 9.7 |
| 10 | ± 0.4 | 30 | 0.6 | 12.0 | 34.0 | 330 | 1.6 | 10.8 |
| 11 | ± 0.4 | 33 | 0.6 | 13.2 | 37.4 | 363 | 1.7 | 11.9 |
| 12 | ± 0.5 | 36 | 0.7 | 14.4 | 40.8 | 396 | 1.9 | 13.0 |
| 13 | ± 0.5 | 39 | 0.8 | 15.6 | 44.2 | 429 | 2.1 | 14.0 |
| 14 | ± 0.6 | 42 | 0.8 | 16.8 | 47.6 | 462 | 2.2 | 15.1 |
| 16 | ± 0.6 | 48 | 0.9 | 19.2 | 54.4 | 528 | 2.5 | 17.3 |
| 18 | ± 0.9 | 54 | 1.0 | 21.6 | 61.2 | 594 | 2.9 | 19.4 |
| 20 | ± 1.0 | 60 | 1.2 | 24.0 | 68.0 | 660 | 3.2 | 21.6 |
| 22 | ± 1.1 | 66 | 1.3 | 26.4 | 74.8 | 726 | 3.5 | 23.8 |
| 1) These tolerances are usually divided into + 2/3 and – 1/3 for both the individual link and thestandard gauge length. | ||||||||
ຕາຕະລາງ 2: hoist chain working limit limit (WLL)
| Nominal size dn mm | ໄຊn type T t | Cຮາn type DAT t | Cຮາn type DT t |
| 4 5 6 | 0.5 0.8 1.1 | 0.4 0.63 0.9 | 0.25 0.4 0.56 |
| 7 8 9 | 1.5 2 2.5 | 1.2 1.6 2 | 0.75 1 1.25 |
| 10 11 12 | 3.2 3.8 4.5 | 2.5 3 3.6 | 1.6 1.9 2.2 |
| 13 14 16 | 5.3 6 8 | 4.2 5 6.3 | 2.6 3 4 |
| 18 20 22 | 10 12.5 15 | 8 10 12.5 | 5 6.3 7.5 |
| mean stress N/mm2 | 200 | ໑໖໐ | 100 |
ຕາຕະລາງ 3: hoist chain manufacturing force proves and breaking force
| Nominal size dn mm | ມນູfacturing proof force (MPF) kN mໃນ. | Breaking force (BF) kN mໃນ. |
| 4 | 12.6 | 20.1 |
| 5 | 19.6 | 31.4 |
| 6 | 28.3 | 45.2 |
| 7 | 38.5 | 61.6 |
| 8 | 50.3 | 80.4 |
| 9 | 63.6 | 102 |
| 10 | 78.5 | ໑໒໖ |
| 11 | 95 | 152 |
| 12 | ໑໑໓ | ໑໘໑ |
| 13 | ໑໓໓ | 212 |
| 14 | 154 | 246 |
| 16 | 201 | 322 |
| 18 | 254 | 407 |
| 20 | 314 | 503 |
| 22 | 380 | 608 |
ຕາຕະລາງ 4: ການຍືດຕົວສູງສຸດ ແລະ ຄວາມແຂງຂອງພື້ນຜິວທັງໝົດ
|
| ໂຮຍst cຮາn types | ||
| T | DAT | DT | |
| Tໂອຕາl ultimate ຍາວn ກ%min | 10 | 10 | 5 |
| Surface hardness min dn < 7 mm, HV 5 dn = 7 mm to 11 ມມ, HV 10 dn > 11 mm, HV 10 |
360 360 360 |
500 500 450 |
550 550 500 |
