Crown Block ntawm Roj / Roj Drilling Rig nrog Pulley thiab Hlua
Cov Nta Kev Txawj:
• Cov sheave grooves raug quenched kom tiv taus kev hnav thiab ntev nws lub neej kev pabcuam.
• Tus ncej kick-back thiab lub rooj tsavxwm tiv thaiv txoj hlua hlau kom tsis txhob dhia tawm lossis poob tawm ntawm cov qhov sheave.
• Nruab nrog cov khoom siv tiv thaiv kev sib tsoo uas muaj txoj saw hlau ruaj ntseg.
• Nruab nrog ib tug gin ncej rau kho lub sheave block.
• Cov xuab zeb sheaves thiab cov sheave blocks pabcuam tau muab raws li cov neeg siv xav tau.
• Cov hlua khi yas tuaj yeem hloov pauv tau tag nrho nrog cov uas nws cov thaiv kev mus ncig sib phim.
Cov Kev Ntsuas Kev Txawj：
| Qauv | TC90 | TC158 | TC170 | TC225 | TC315 | TC450 | TC585 | TC675 | |
| Qhov siab tshaj plaws ntawm lub zog rub (kN) | 900 (200,000) | 1580 xyoo (350,000) | 1700 xyoo (37,400) | 2250 (500,000) | 3150 (700,000) | 4500 (1,000,000) | 5850 (1,300,000) | 6750 (1,500,000) | |
| Dia. ntawm cov xov hlau mm(in) | 26(1) | 29(1 1/8) | 29(1 1/8) | 32(1 1/4) | 35(1 3/8) | 38(1 1/2) | 38(1 1/2) | 45(1 3/4) | |
| OD ntawm cov sheaves mm (hauv) | 762(30) | 915(36) | 1005(40) | 1120(44) | 1270(50) | 1524(60) | 1524(60) | 1524(60) | |
| Tus naj npawb ntawm cov sheaves | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | |
| Qhov ntev tag nrho | Ntev hli (hauv) | 2580 (101 9/16) | 2220 (87 7/16) | 2620 (103 5/32) | 2667 (105) | 3192 (125 11/16) | 3140 (134 1/4) | 3625 (142 3/4) | 4650 (183) |
| Dav hli (hauv) | 2076 (81 3/4) | 2144 (84 7/16) | 2203 (86 3/4) | 2709 (107) | 2783 (110) | 2753 (108 3/8) | 2832 (111 1/2) | 3340 (131 1/2) | |
| Qhov siab mm (hauv) | 1578 xyoo (62 1/8) | 1813 xyoo (71 3/8) | 1712 xyoo (67) | 2469 (97) | 2350 (92 1/2) | 2420 (95 3/8) | 2580 (101 5/8) | 2702 (106 3/8) | |
| Qhov hnyav, kg (lbs) | 3000 (6614) | 3603 (7943) | 3825 (8433) | 6500 (14330) | 8500 (18739) | 11105 (24483) | 11310 (24934) | 13750 (30314) | |
Cov khoom cuam tshuam
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