Accommodation ladder Gangway Ladder for ship

$650.00

≥1 Piece/Pieces

Min. Order:: 1 Piece/Pieces

Min. Order:: 1 Piece/Pieces

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Basic Info

Place of Origin:	China

Product Description

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.

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Related Keywords

Gangway Ladder , Marine Ladder , Ladder