14.4m Marine Aluminum Accommodation Ladder, Marine wharf ladder
| Place of Origin: |
Jiangsu China (Mainland) |
Brand Name: |
ZJNM |
Length |
14.4M |
Technical requirments
1.Parts mades lf aluminium must be oxidized according to standard CB*/Z92-81.
2.The maxmum used able angle of this ladder is 30 ° .
3.Finished framework of ladder should not be changed in shape ang deflect.
Checking is refered standard of CB*3116-82.
4.Load test:
When the part ladder is supported horizontally on both.And supports and app
-lied with 75kg for every 1 cleats there shall be no defect in all parts.And
Alsothemaximum deflection in the middle of the ladder shall not extrade 200mm.
Strength of calculation of 40 stps al.Alloy accomdation ladder:
| Dimensions of acc.Ladder |
Fixed step |
| Length of ladder |
L=12000mm B=600mm |
| Step pitch |
300mm |
| Each step |
75kg |
| Weight of ladder |
420kg |
| Uniformly didtributed loads |
1.52kg/cm |
| Yield limit |
13000kg/cm² |
| Moment of ineria |
7474cm4 |
| Section modulus |
467cm³ |
| Max bending moment |
273600kg/cm |
| Bending strcss |
586kg/cm² |
| Safcty factor |
2.22≥2 |
| Max deflcetion |
77mm≤160 |
One unit including:Accommodation ladder, ladder frame device, lower platform, handrail,
Shore roller, side roller, bracket, sheave device, turning device, davit, upper platform, shaft, bracket of upper platform, bearing seat, turn table, axle, bush, close bracket, post.Supporter.
Available certificate:ABS, BV, CCS, DNV, GL, KR, NK etc.
We make the marine accommodation ladders and gangway.Alll of the ladders are made in high quality, meet the SOLAS regulations.
Incorporated with idea marine co., ltd in 2010, Zhenjiang Norman becomes the profession marine supplier in the word.
We provide a range of products and services for the marine industry, including marine life-saving &fire-fighting products, marine propulsion system, marine pollution prevention equipment, marine anchor &anchor chain, marine cable &wire rope, ship communication system, marine fender &air bag, marine cooking equipment, marine pump, marine light, marine mooring equipment, marine deck equipments, marine outfitting and...Etc.All of products have been approved qualification society and government administration, and have got the certificate such as ABS, BV, CCS, DNV, GL, LR, KR, .Etc.
We focus on supplying the products of good quality and competitive price based on mutual benefit for our customer all the time.All the cooperated factories have been strictly control system.With long time and good relationship with team, we always can offer the competitive prices to the customers promptly.The perfect sale service is our goal.
We are looking forward to you
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