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1、BRITISH STANDARD MARINE SERIES BS MA 33:1973 Specification for Ships deck machinery warping winches UDC 629.12.015:621.863 Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 02:16:04 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS MA 33:1973 This British Standard, ha
2、ving been approved by the Shipbuilding and Marine Industry Standards Committee, was published under the authority of the Executive Board on 17 August 1973 BSI 02-2000 The following BSI references relate to the work on this standard: Committee reference SME/6 Draft for comment 71/36165 ISBN 0 580 075
3、26 5 Foreword This British Standard has been prepared under the authority of the Shipbuilding and Marine Industry Standards Committee and has been developed from a proposal submitted by the British Ship Research Association. It forms one of a series dealing with deck machinery for ships and provides
4、 requirements for the design, construction, safety, performance and acceptance testing of warping winches. Other standards in this series are: BS MA 30, Glossary of terms and graphical symbols for ships deck machinery. BS MA 31, Cargo winches. BS MA 32, Mooring winches. BS MA 34, Capstans. This stan
5、dard makes reference to the following British Standards: BS 365, Galvanized steel wire ropes for ships. BS 1486, Lubricating nipples Part 1: Lubricating nipples and adaptors for use on machinery and vehicles. BS 1597, Radio-interference suppression on marine installations. BS 1856, General requireme
6、nts for the metal-arc welding of mild steel. BS 2052, Ropes made from coir, hemp, manila and sisal. BS 2949, Rotating electrical machines for use in ships. BS 3399, Transformers for use in ships. BS 4128, Recommendations for the selection, use and care of man-made fibre ropes in marine applications.
7、 BS 6883, Elastomer insulated cables for fixed wiring in ships. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity f
8、rom legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 6, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amend
9、ment table on the inside front cover. Amendments issued since publication Amd. No.DateComments Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 02:16:04 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS MA 33:1973 BSI 02-2000i Contents Page ForewordInside front cover
10、 1Scope1 2Definitions1 3Design and construction1 4Performance3 5Acceptance tests3 6Marking4 Appendix A On board tests and inspections5 Appendix B Information to be provided by the purchaser5 Figure 1 Warping winch types2 Table 1 Design data4 Licensed Copy: London South Bank University, London South
11、Bank University, Sat Dec 09 02:16:04 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii blank Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 02:16:04 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS MA 33:1973 BSI 02-20001 NOTEUsers of this British Standard: Marine Ser
12、ies should note that while observing requirements of the standard they should at the same time ensure compliance with such statutory requirements, rules and regulations as may be applicable to the individual ship concerned. 1 Scope This British Standard specifies requirements for the design, constru
13、ction, safety, performance and acceptance testing of ships warping winches. The standard does not include requirements for the prime mover used to operate a warping winch. 2 Definitions For the purposes of this British Standard, the terms and their definitions given in BS MA 30 apply. A term particu
14、larly applicable to this British Standard is defined as follows. 2.1 nominal size of warping winch the nominal size of a warping winch corresponds to the hauling load, in tonnes, at its design speed NOTE 1The range of nominal sizes covered by this standard is listed in Table 1, column 1; associated
15、hauling loads are listed in Table 1, column 2. NOTE 2The nominal sizes of warping winches in Table 1 have been selected from the R10 series of preferred numbers. 3 Design and construction 3.1 Warping winches. These may be designed with either one or two warping ends (see Figure 1). Where one warping
16、 end is fitted, a winch is termed a right-hand winch in relation to an observer situated on the side of the motor, power supply unit or controller, when the reduction gear or drive for the warping end is situated on the right-hand side of the warping end. Similarly, a winch is termed a left-hand win
17、ch when the reduction gear or drive is situated on the left-hand side of the warping end. 3.2 Warping ends. The warping ends of the winch shall be capable of rotating with equal power in either direction. The minimum warping end diameters are listed in Table 1, column 8. 3.3 Material stresses. The m
18、anufacturer of the winch shall be responsible for determining the strength requirements of the component parts of the winch to withstand the hauling load and holding load of the respective nominal sizes of mooring winches, specified in Table 1. 3.4 Control brake system 3.4.1 A system of braking shal
19、l be automatically applied to the prime mover when the control handle is in the “off” position, or when the power supply is cut off. 3.4.2 The control brake system shall be capable of sustaining a load of 1.5 times the hauling load. 3.4.3 Brakes applied by hand shall require a force not exceeding 16
20、0 N in order to exert the braking torque of 25 % in excess of the driving torque required to maintain the hauling load. The force supplied to a foot pedal to exert the same braking torque shall not exceed 320 N. 3.5 Emergency stop 3.5.1 The winch shall be fitted with a quick acting local emergency s
21、top mechanism which, when operated, removes power from the winch and applies the control brake system. 3.5.2 The emergency stop shall be located in a clearly marked and accessible position close to a remotely controlled winch and adjacent to a manually controlled winch. 3.6 Speed control 3.6.1 The l
22、ight line speed of the warping winch shall be in accordance with the values given in Table 1, column 4. 3.6.2 The control system shall be such that it is possible to move the controls from the full veer position to the full haul position in less than two seconds, or vice versa. The speed with which
23、the controls are manipulated shall not have an adverse effect on either the winch machinery or the safety of the operator. Winch response times shall be supplied by the manufacturer to the purchaser on request. 3.6.3 The machine shall be fitted with variable speed control unless otherwise agreed bet
24、ween the purchaser and manufacturer. 3.7 Design rope 3.7.1 This standard is based on the use of 6 24 steel wire rope with fibre core as specified in BS 365. The diameters of this wire rope associated with the hauling loads are listed in Table 1, column 6. 3.7.2 Where manila ropes are used as a desig
25、n basis, these shall be Grade 1 as specified in BS 2052. The diameters of manila rope associated with the hauling loads are listed in Table 1, column 7. 3.7.3 The rope size shall be such that its minimum breaking load (kN) is not less than the hauling load divided by 0.33. NOTEThe above requirement
26、does not preclude the use of other types of ropes in service. For guidance see BS 4128. Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 02:16:04 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS MA 33:1973 2 BSI 02-2000 3.8 Control methods and movements 3.8.1 Method
27、s of control. The methods of control shall be either manual or remote. A combination of the terms may be used to describe control methods, e.g. Manual/Remote. Manual control is where the warping winch is directly controlled by an operator. Remote control is where the control position is at a distanc
28、e from the warping winch being controlled. The control position may be fixed or portable. 3.8.2 Power sources. Warping winches shall be designed for operation, powered by either electric, hydraulic or steam drive, designated E for electric, H for hydraulic or S for steam. 3.8.3 Direction of motion o
29、f the operating devices 3.8.3.1 The direction of rotation of a warping end shall be clearly marked in relation to the movement of the control. 3.8.3.2 All control handles, handwheels and push buttons shall be clearly and permanently marked with their purpose and mode of operation, unless this is obv
30、ious from their design and position. 3.8.3.3 The maximum travel of a control handle shall not exceed 600 mm in one direction or 300 mm each side of a central position. 3.8.4 Foot pedals. The maximum travel of the pedal shall not exceed 250 mm. Foot pedal operated brakes shall be applied when the ped
31、al is depressed and released when raised. 3.8.5 Push buttons. When fitted, separate push buttons shall be provided for each direction of rotation. 3.8.6 Gear levers. When fitted, gear levers shall be positively located in any gear position or neutral by click stops or other similar means. 3.9 Constr
32、uction. Materials used for construction of the winch shall be in accordance with the appropriate British Standard for the material selected to ensure compliance with 3.3. 3.9.1 Welding. All welding shall be carried out in accordance with the requirements of BS 1856. 3.9.2 Access. Access openings to
33、prime movers, reduction gearings, bearings, brakes and control mechanisms shall be provided to ensure that adequate inspection and maintenance is facilitated. 3.9.3 Lubrication. The winch shall be designed to ensure that all bearing surfaces are lubricated during operation when inclined at any angle
34、 up to 15 in any direction. Adequate and accessible greasing and oiling points shall be provided to ensure that all surfaces requiring lubrication are capable of being properly lubricated. Lubricating nipples shall be in accordance with BS 1486-1. Sumps and oil baths shall be provided with sight gla
35、sses and/or means of measuring oil level. Where necessary oil and condensation drain plugs shall be provided. Figure 1 Warping winch types Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 02:16:04 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS MA 33:1973 BSI 02-20
36、003 3.9.4 Electrical equipment. Electrical equipment shall be installed in accordance with the “Regulations for electrical equipment of ships”, published by the Institution of Electrical Engineers. The requirements of the following British Standards shall also be complied with: BS 1597 BS 2949 BS 33
37、99 BS 6883 Deck mounted enclosures of electrical equipment shall be deck watertight and deck portable enclosures of electrical equipment shall be weatherproof as defined in BS 2949. 3.9.5 Protection of metallic surfaces. Surfaces shall be free from moisture, oil, grease, dirt, weld spatter, burrs an
38、d other imperfections, before applying the protective finish to metallic surfaces. External surfaces and internal surfaces shall be primed with an anticorrosive priming paint adequate to provide protection against a marine environment, as soon as practicable after completion of the surface preparati
39、on. Internal surfaces of gear boxes shall be coated with an oil proof paint. 4 Performance 4.1 The warping winch shall be capable of continuous operation for a period of 30 min while exerting the hauling load listed in Table 1, column 2. 4.2 The minimum design speeds associated with the hauling load
40、s are listed in Table 1, column 3. 4.3 The light line speed of the warping winch shall be in accordance with the value given in Table 1, column 4. 5 Acceptance tests 5.1 Rules concerning the test at manufacturers works for the acceptance of the winch by the purchaser 5.1.1 Type testing. One winch of
41、 each batch should be tested. This test may be replaced by a prototype test certificate if agreed by the manufacturer and purchaser. Where tests are required in excess of the type test, these should be agreed between the purchaser and manufacturer, at the time of the contract. The test shall be carr
42、ied out as follows. 1) Operation under no load. The warping winch shall be run at light line speed for 30 minutes continuously, 15 minutes in each direction. When the winch is provided with a gear change mechanism, it shall be run for an additional five minutes in each gear position, in each directi
43、on. 2) Operation under full hauling load. The rope shall be clamped to the warping end and it shall be demonstrated that the winch is capable of exerting a pull equivalent to the hauling load in Table 1, column 2, at design speed. The result shall be recorded on the test certificate. 3) Operation un
44、der holding load. The rope shall be clamped to the warping end and a load of 1.5 times the hauling load in Table 1, column 2, applied. The controller shall be positioned in the “off” position. The warping end shall not rotate and there shall be no detrimental effect upon the winch. The result shall
45、be recorded on the test certificate. 4) While testing, the following shall be verified against the manufacturers specification. a) Temperature of bearings. b) Presence of abnormal noise. c) Power input (watts). d) Speed of rotation of the warping end in each direction. 5) Control brake system test:
46、to verify the requirements of 3.4. 6) A record of the test results to be made available to the purchaser. 5.1.2 Individual test. The following tests shall be carried out on all remaining winches of a batch. 1) Operation under no load: running for 30 minutes, 15 minutes continuously in each direction
47、 at light line speed. 2) Control brake system test: to verify the requirements of 3.4. 3) While testing, the following shall be verified against the manufacturers specification. a) Tightness against oil leakage. b) Temperature of bearings. c) Presence of abnormal noise. d) Power input (watts). e) Sp
48、eed of rotation of the warping end in each direction. Licensed Copy: London South Bank University, London South Bank University, Sat Dec 09 02:16:04 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS MA 33:1973 4 BSI 02-2000 6 Marking All warping winches shall be permanently marked by means of a rating p
49、late, prominently displayed. The rating plate shall contain such information as is relevant to the winch, including the following. 1) Manufacturers name or trade mark, reference type number and serial number. 2) Number of this British Standard (BS MA 33). NOTEAttention is drawn to certification facilities offered by BSI; see the inside back cover of the standard. 3) Type of winch and handing (right or left). 4) Nominal size. 5) Type of drive. 6) Power requirements (e.g. Electric). a) Rated voltage (volts). b) Rated frequency (hertz). c) Rated current (amperes).
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