1、BRITISH STANDARD BS2655-1: 1970 Incorporating Amendment Nos. 1, 2, 3, 4, 5 and 6 Specification for Lifts, escalators, passenger conveyors and paternosters Part 1: General requirements for electric, hydraulic and hand-powered lifts UDC 621.876BS2655-1:1970 This British Standard, having been approved
2、by the MechanicalEngineering IndustryStandards Committee, was published under the authorityof the Executive Boardon 24 February 1970 BSI 07-1999 First published June 1957 First revision October 1958 Second revision February 1970 The following BSI references relate to the work on this standard: Commi
3、ttee reference MEE/49 Draft for comment 67/32688 ISBN 580056066 Co-operating organizations The Mechanical Engineering Industry Standards Committee, under whose supervision this British Standard was prepared, consists of representatives from the following Government departments and scientific and ind
4、ustrial organizations: The Government departments and scientific and industrial organizations marked with an asterisk in the above list, together with the following, were directly represented on the committee entrusted with the preparation of this British Standard: Associated Offices Technical Commi
5、ttee* Gas Council Association of Consulting Engineers Institution of Civil Engineers Association of Mining Electrical and Institution of Gas Engineers Mechanical Engineers Institution of Heating and Ventilating Engineers Board of Trade Institution of Mechanical Engineers* British Chemical Plant Manu
6、facturers Institution of Mechanical Engineers (Autobomile Association Division) British Compressed Air Society Institution of Production Engineers British Electrical and Allied Manufacturers Locomotive and Allied Manufacturers Association* Association of Great Britain British Gear Manufacturers Asso
7、ciation London Transport Board* British Internal Combustion Engine Machine Tool Trades Association Manufacturers Association Ministry of Defence British Mechanical Engineering Ministry of Defence, Army Department Confederation* Ministry of Power British Pump Manufacturers Association Ministry of Pub
8、lic Building and Works* British Steel Industry Ministry of Technology* Crown Agents for Oversea Governments and Ministry of Technology National Engineering Administrations Laboratory Department of Employment and Productivity Ministry of Transport (H.M. Factory Inspectorate)* National Coal Board Elec
9、tricity Council, the Central Electricity National Physical Laboratory (Ministry of Generating Board and the Area Boards in Technology) England and Wales Royal Institute of British Architects Engineering Equipment Users Association* British Railways Board Fire Offices Committee Department of Health a
10、nd Social Security Greater London Council Draughtsmens and Allied Technicians Institution of Electrical Engineers Association Institution of Municipal Engineers Electrical Trades Union Ministry of Housing and Local Government Engineers Surveyors Association National Association of Lift Makers Federa
11、tion of Wire Rope Manufacturers of Post office Great Britain Retail Trading Standards Association Amendments issued since publication Amd. No. Date of issue Comments 1569 October 1974 1949 April 1976 2677 July 1978 3015 May 1979 4562 May 1984 8856 December 1995 Indicated by a sideline in the marginB
12、S2655-1:1970 BSI 07-1999 i Contents Page Co-operating organizations Inside front cover Foreword iii 1 General 1.1 Scope 1 1.2 Factors of safety 1 2 Specific requirements for electric passenger and goods lifts 2.1 Guides and fixings 1 2.2 Buffers 1 2.3 Top and bottom clearances and runbys 2 2.4 Car f
13、rames 3 2.5 Car enclosure 3 2.6 Car and landing entrance construction 4 2.7 Automatic power operation of entrances 5 2.8 Controlled power closing of entrances 6 2.9 Locking devices and switches for car and landing entrances 6 2.10 Emergency devices and openings for cars 7 2.11 Car capacity and loadi
14、ng 7 2.12 Safety-gear 8 2.13 Governors 12 2.14 Suspension 12 2.15 Lift machines 14 2.16 Counterweights 14 2.17 Load plates 15 2.18 Controllers 16 2.19 Operation and operating devices 16 2.20 Suppression of radio and television interference 17 2.21 Terminal stopping and final limit switches 17 2.22 M
15、ain switches and wiring 18 3 Specific requirements for electric service lifts 3.1 Lift cars 18 3.2 Lift machines 19 3.3 Guides 19 3.4 Buffers 19 3.5 Counterweights 19 3.6 Suspension 19 3.7 Safety-gear 19 3.8 Load plates 19 3.9 Landing doors, shutters or gates 19 3.10 Terminal stops 19 3.11 Slack-rop
16、e switch 19 3.12 Main switches and wiring 19 3.13 Suppression of radio and television interference 20 4 Firemens lifts 4.1 Location 20 4.2 Capacity 20 4.3 Doors 20 4.4 Speed 20 4.5 Fire switch 20BS2655-1:1970 ii BSI 07-1999 Page 4.6 Electricity supply 20 5 Specific requirements for hydraulic lifts 5
17、.1 Guides and fixings 20 5.2 Buffers 20 5.3 Top and bottom clearances and runbys 20 5.4 Car frames 21 5.5 Car enclosure 21 5.6 Car and landing entrance construction 21 5.7 Automatic power operation of entrances 21 5.8 Controlled power closing of entrances 21 5.9 Locking devices and switches 21 5.10
18、Emergency devices and openings for cars 21 5.11 Car capacity and loading 21 5.12 Safety-gear 21 5.13 Ram stops 22 5.14 Suspension 22 5.15 Hoisting machinery 22 5.16 Counterweights 24 5.17 Load plates 24 5.18 Control and controllers 24 5.19 Main circuit breaker or main switch, and wiring 24 5.20 Term
19、inal stopping switches 24 6 Specific requirements for hand-powered lifts 6.1 General 24 6.2 Lift cars 24 6.3 Lift machines 24 6.4 Guides 25 6.5 Buffers 25 6.6 Counterweights 25 6.7 Suspension 25 6.8 Hauling rope 25 6.9 Brakes and sustaining devices 25 6.10 Safety-gear 25 6.11 Load plates 25 6.12 Lan
20、ding doors 25 Figure 1a Contract load for passenger lifts in relation to net inside floor area (metric units) 8 Figure 1b Contract load for passenger lifts in relation to net inside floor area (metric units) 9 Figure 1c Contract load for passenger lifts in relation to net inside floor area (imperial
21、units) 9 Figure 1d Contract load for passenger lifts in relation to net inside floor area (imperial units) 10 Figure 2 Net inside floor areas for passenger lifts 10 Table 1 Governor tripping speeds and stopping distances 11 Table 2 Minimum diameters of drums, pulleys and sheaves 13BS2655-1:1970 BSI
22、07-1999 iii Foreword This standard makes reference to the following British Standard: BS476, Fire tests on building materials and structures. BS476-7, Surface spread of flame tests for materials. This British Standard, prepared under the authority of the Mechanical Engineering Industry Standards Com
23、mittee, is a revision of and supersedes the previous edition of BS2655, which was entitled “Electric lifts”. The new title reflects the extension of the scope of this British Standard. Amendments to Parts2 and3 have been published and implement the change in title. The revised Part1 and additional n
24、ew parts are being published separately and, together with Parts2 and3, are as follows: Part 1: General requirements for electric, hydraulic and hand-powered lifts. This part is basically a revision of the1958 edition of BS2655-1 1) , without the building requirements and list of definitions, and ex
25、tended to cover engineering and safety requirements for new hydraulic and hand-powered lifts as well as for new electric lifts. Part 2: Single-speed polyphase induction motors for driving lifts. This part covers the type of electric motor specially designed for driving lifts. It should be used in co
26、njunction with BS2613 2)and gives additional requirements, including the class of lift rating and special limits of temperature rise. Part 3: Arrangements of standard electric lifts. This part gives standard dimensions for lift wells and machine rooms in relation to lift capacity and platform sizes,
27、 for seven classes of lifts. Part 4: General requirements for escalators and passenger conveyors. This part specifies engineering and safety requirements for escalators and passenger conveyors. The latter may be described as machines in which the passenger carrying surface remains parallel to the di
28、rection of motion and is uninterrupted. Part 5: General requirements for paternosters. This part specifies engineering and safety requirements for paternosters, which may be described as machines where series of cars are continuously running in closed loops and are characterized by the car floors re
29、maining substantially horizontal when the direction of motion is reversed at the extremities of car travel. Part 6: Building construction requirements. This part specifies structural and fire resistance requirements for the equipment covered by Parts1, 4 and 5. Part 7: Testing and inspection. This p
30、art specifies tests, examination and certification of new and modified equipment covered by Parts1, 4 and 5. Part 8: Modernization or reconstruction of lifts, escalators and paternosters. This part specifies engineering and safety requirements. Part 9: Definitions. This part gives definitions of ter
31、ms used in the remainder of the standard. Part 10: General requirements for guarding. This part specifies requirements for the guarding of moving parts and protection against hazards from electrical equipment. It relates to equipment covered in Parts1, 4 and 5. 1) BS2655, “Electric lifts”, Part 1, “
32、General requirements”. 2) BS2613, “The electrical performance of rotating electrical machinery”.BS2655-1:1970 iv BSI 07-1999 CP 407:1972, British Standard Code of Practice for electric, hydraulic and hand-powered lifts. The code gives general information and guidance for planning, purchasing, instal
33、lation and maintenance of passenger, goods and service lifts. In case of difficulty in classifying any equipment in accordance with the headings of Parts1, 4 and 5, reference should be made to the relevant definitions in Part9. The British Standard covering lifts, in its main provisions, has been in
34、 use for nearly20 years and embodies the main principles of good practice, with particular reference to safety. It is widely used in the lift manufacturing industry in this country as a basis for design and there is thus economic advantage to the user in specifying that his lift is to be in accordan
35、ce with the standard. Throughout this standard the metric and imperial systems are used together, but it is important that each contract shall use either the imperial system throughout or the metric system throughout. A mixture of the two may lead to complications. The following points should be not
36、ed. 1) Whereas it has been customary for those countries using the imperial system to rate one person as weighing150 lb, those countries using the metric system rate one person as weighing75 kg, i.e. a10.2 % increase. Both these ratings have been retained in this standard for their respective system
37、s. 2) The relationship of contract load to effective car area has been retained irrespective of the system used. Therefore, for a given car size, although the contract load will be the same in imperial or metric units, there may be a relatively small variation in the “number of persons” specified on
38、 the load plate. This will be in the direction of less persons for the metric system. 3) In the matter of customary usage for designating speeds the imperial and metric systems are very close, since100ft/min = 0.508m/s and 1.00m/s=196.85ft/min. British equipment has naturally been designed to suit s
39、peeds given in rounded imperial units. When rounded metric units are used in contracts a variation of 1.6% therefore occurs when checking the speed in service in the metric system. This particularly applies for systems driven by a.c. motors. This very small difference will apply to governor tripping
40、 speeds as well as car speeds. 4) Generally, units have been converted from imperial to the metric system and then rounded off by increasing or reducing after taking into account the practical problems involved and current Continental practice. This Part1 applies to the engineering and safety requir
41、ements for electrically, hydraulically or hand-powered new lifts for passengers, goods and service. For hand-powered lifts the standard is restricted to goods lifts, hoists and service lifts. Though basically a revision of the1958 edition of BS2655-1 3) , it incorporates the following broad changes:
42、 1) The definitions and test requirements, as well as all structural requirements, now appear under separate cover (see above). 2) Information on hydraulically and hand-powered lifts is now included. 3) The requirements for safety-gears, buffers and clearances have been extensively revised. 3) BS265
43、5, “Electric lifts”, Part1, “General requirements”.BS2655-1:1970 BSI 07-1999 iii 4) In certain circumstances fire resistance requirements for lift cars are now specified and car and landing openings must now be provided with doors, not gates, for all lifts other than service lifts. Because of the im
44、plications of this change, for the purpose of this standard the requirements, which exclude the use of close-picket collapsible gates for certain cars intended for the carriage of goods only, will become mandatory after a period of five years from the date of publication of this revision of the stan
45、dard (see 2.6.1). Emergency openings in lift cars must now be provided only in the roof and be openable only from the outside. Emergency stop switches for passenger operation are now not permitted. 5) The requirements for car doors and landing doors have now been combined in three clauses dealing re
46、spectively with construction, automatic closing and power controlled closing. Car closing force and kinetic energy limitations are now specified. 6) Limiting stress requirements for springs are now introduced. 7) Lift car suspension requirements now cater for the use of steel plate link chains. 8) A
47、 control station is now required on top of all lift cars which are capable of carrying persons. 9) The requirements for firemens lifts are revised and incorporated in the body of the standard. 10) The minimum contract load requirements for goods lifts have been changed. 11) Counterweights shall not
48、be used on drum drive machines. This Part of this standard is rendered obsolescent concurrently with the publication of BS 5655 “Lifts and service lifts” Part1:1979 “Safety rules for the construction and installation of electric lifts” Part2:1988 “Safety rules for the construction and installation o
49、f hydraulic lifts” Part3:1989 “Specification for electric service lifts” and Part14:1995 “Specification for hand-powered service lifts and platform hoists”. 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 from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i to vi, pages1to 26, an inside back cover and a
