Single pull macgregor type hatch cover.pdf - Cochin University of ...

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Figure 6.6 Pantoons Source: Team From the above, four pieces of similar dimensions were made which having the dimensions: Length: 7cm Width: 25cm Thickness: 3cm The pieces obtained were taken to the work table. After the plaining and chisel work the final dimensions of hatch cover were: Length: 58cm Width: 22cm Thickness at middle 3cm Thickness at the edge: 2cm For keeping all four hatch covers in line with each other, locking arrangement were made throughout the length by using wooden reaper. Hatch cover 1: Locking arrangement at the aft end. Hatch covers 2 & 3: Locking arrangement at both ends. Hatch cover 4: Locking arrangement at the forward end. 72
Plastic wheels (16 pieces), metallic wheel (8 pieces) and the fitting arrangement were brought to the working table. Plastic wheels were fitted at each corners of the hatch cover as shown in figure 6.7. Figure 6.7 : Pantoons and wheels Source: Team Metallic wheels were also fitted according to the balancing dimensions. Figure 6.8: Metallic Wheels on A Pantoon Source: Team Washers were provided on both side of the metallic wheels for the smooth operation. 6.7 SLIDING TRACK FABRICATION Z-section was welded to the jack top as shown in the figure 6.9. The dimensions of Z-section were: 73
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SINGLE PULL MACGREGOR TYPE HATCH CO
Page 3 and 4:
ACKNOWLEDGEMENT First of all we hel
Page 5 and 6:
TABLE OF CONTENTS v Page no. CERTIF
Page 7 and 8:
5.1.4 Hatch Covers Design. 58 5.1.5
Page 9 and 10:
LIST OF FIGURES Figure no: Title Pa
Page 11 and 12:
Figure7.10 Bulwark 84 Figure7.11 Bu
Page 13 and 14:
CHAPTER 1 - INTRODUCTION The classi
Page 15 and 16:
leakage can cause cargo damage and,
Page 17 and 18:
All types of wooden hatch were made
Page 19 and 20:
The first horizontal rolling built
Page 21 and 22:
CHAPTER 2 - TYPES OF HATCH COVERS M
Page 23 and 24:
2.1 SINGLE PULL 2.1.1 Description F
Page 25 and 26:
2.3 FOLDING & MULTI-TYPE 2.3.1 Desc
Page 27 and 28:
2.5 PIGGY BACK 2.5.1 Description Fi
Page 29 and 30:
2.7 REEFERS HATCH COVERS Figure 2.7
Page 31 and 32:
CHAPTER 3 - GENERAL REQUIREMENTS 3.
Page 33 and 34: secured by tarpaulins and battening
Page 35 and 36: force by the 1967 Merchant shipping
Page 37 and 38: 3.2.2 Cover Stowage Where a designe
Page 39 and 40: It is also necessary to provide dra
Page 41 and 42: Other steel hatch cover secured wea
Page 43 and 44: Table 3.4 Access equipment strength
Page 45 and 46: Longitudinal deformation of the top
Page 47 and 48: (vii) It should retain all the abov
Page 49 and 50: easier to handle without power assi
Page 51 and 52: � Keep wheels, cleats, hinge pins
Page 53 and 54: 4.2.2 Drive Chains; Check their Len
Page 55 and 56: Figure 4.2 Vessel in rough weather
Page 57 and 58: Figure 4.5 Never smoke in a hold. S
Page 59 and 60: Figure 4.9 Always wear protective h
Page 61 and 62: e taken when opening hatch covers e
Page 63 and 64: Remember to carry out a chalk test
Page 65 and 66: 4.6.13 Painting Corrosion occurs ma
Page 67 and 68: 11. Coaming. 12. Sheave. 13. Cross
Page 69 and 70: Breadth: 44.5cm 5.1.3 Hatch Coaming
Page 71 and 72: Slope: 1cm Total number of panels:
Page 73 and 74: Height of jack while normal conditi
Page 75 and 76: Pulley for rope Diameter: 2cm Width
Page 77 and 78: Height from the deck: 7.2cm Height
Page 79 and 80: CHAPTER 6 - FABRICATION The design
Page 81 and 82: 6.3 HATCH COAMING FABRICATION Broug
Page 83: Using wood cutter length of 320 cm
Page 87 and 88: At the top of the iron plate, rail
Page 89 and 90: Figure 6.12: Crane space Source: Te
Page 91 and 92: CHAPTER 7-ASSEMBLY OF FABRICATED PA
Page 93 and 94: Source: Team 7.3 ASSEMBLY OF SIDE D
Page 95 and 96: 7.6 ASSEMBLY OF HATCH COVER All the
Page 97 and 98: The whole bulwark is placed over th
Page 99 and 100: Through the middle top eye bolt rop
Page 101 and 102: The test involves placing (with hat
Page 103 and 104: CHAPTER 9 - CONCLUSION Right from t
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