CB/T 3849-1999 Marine Steel Bed CB/T3849-1999 Standard download decompression password: www.bzxz.net

UDC629.12.04
National Standard of the People's Republic of China
Adjusted to c%349-999
GB1559---84
Steel beds
Steel beds for ships
Published on June 1, 1984
Implementation on March 1, 1985
Approved by the National Bureau of Standards
Types and main dimensions
National Standard of the People's Republic of China
Steel beds for ships
Steel beds for ships
For the types and main dimensions of steel beds, see Table 1. Table 1
Single-layer passenger steel bed
Double-layer passenger steel bed
Three-layer passenger steel bed
Single-layer crew steel bed
Double-layer crew steel bed
Type and main dimensions of type A bed are as shown in Figure 1. 1.2
Bed number
Installation of ashtray
1 Square tube bed frame:
Published by the National Bureau of Standards in 1984-06-01
Main dimensions
2 A railing,
3 A wire shed
UDC62 9.12.04
GB1559-84
Replaces GB1559-79
1985-03-01 implementation
GB155984
The type and main dimensions of Type B beds shall be as shown in Figure 2. 1.3
Bed numbering
Installation of ashtray
Bed numbering
Installation of ashtray
1 One side bed frame; 2 One ladder; 3 One wire shed; Figure 2
.1.4 The type and main dimensions of Type C beds shall be as shown in Figure 3. Bed number
Installation of ashtray
Bed number
Installation of ashtray
1-Connecting pipe, 5-rail
1-Square pipe bed frame: 2-Escalator; 3-Wire shed; 4-Connecting pipe; 5-Rail Figure 3
GB1559-84
1.5The type and main dimensions of DY bed refer to Figure 4. The drawer of DZ bed is on the left, which is symmetrical with the DY type diagram. 2
1-Square pipe bed frame, 2-rail: 3-Wire shed, 4-Drawer Figure 4
1.6The type and main dimensions of EY bed refer to Figure 5. The drawer of EZ bed is on the left, which is symmetrical with the EY type diagram.
1 Square tube bed frame: 2-rail;
1.7 Marking example
3-wire shed, 4-connecting pipe, 5-half drawer, 6-escalator Figure 5
B-type double-layer passenger steel bed with main dimensions of 1900×680×1550mm: steel bed B680GB1559-84
Single-layer crew steel bed with main dimensions of 1970×765×750mm drawer on the right: 2 Technical requirements
GB1559-84
Steel bed DY765
GB1559—84
2.1 Marine steel beds shall comply with the requirements of this standard. 2.2 The main materials of steel beds shall be in accordance with Table 2.
Parts Name
Square Tube Bed Frame
Connecting Engine
Wire Shed
Ordinary Carbon Steel
High Quality Carbon Steel
Medium Carbon Structural Steel Wire
After the bed frame is fully welded, its unevenness shall not exceed 3mm, and the length and width allowable error shall be 2mm. 2.3
The unevenness of the spring steel wire shed shall not exceed 7mm, and the length and width allowable error shall be 2mm. 2.4
Both ends of the steel wire shed surface shall be fully sealed and riveted, and no wire jump shall be allowed. 2.5
The weld shall be smoothed, and there shall be no defects that affect the strength and appearance. 2.6
Standard No.
GB700-79
GB699—65www.bzxz.net
345-64
2.7 One layer of primer and two layers of color paint shall be applied to the surface of the bed. The paint layer shall be even and smooth, and shall not have defects such as blank spots, paint nodules, and flow marks. .3 Inspection Rules
Each bed shall be inspected for appearance and size by the technical inspection department of the manufacturer. The allowable error of its length is 3mm, the allowable error of its width is 2mm, and the allowable error of its height is 5mm.
3.2 Check whether the bed frame set and the bed shed plug are easy to disassemble and assemble and whether they are interchangeable. 3.3
Issue a certificate of conformity after passing the inspection.
Marking, packaging, transportation, storage
The steel bed that has passed the acceptance shall have the following markings: manufacturer's name or logo,
product model and standard number,
production batch number or date of manufacture.
The finished product shall be transported after being wrapped in soft paper and stored in a dry place. 4.2
Additional instructions:
This standard was proposed by China State Shipbuilding Corporation and is under the jurisdiction of Shanghai Shipyard. This standard was drafted by Shanghai Shipyard.
The main drafters of this standard are Wang Renyuan and Mao Suqin. 4
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