BS C 15-1960 Specification for coupling dimensions for aircraft-to-tractor tow bar connections《航空用牵引车杆连接件的连接尺寸规范》.pdf

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1、1 I BSI C*15 60 1b24bb7 00751b5 3 , c. 15, October, 1960 UDC 629.13.013 : 629.139.41 BRITISH STANDARD SPECIFICATION FOR COUPLING DIMENSIONS FOR AIRCRAFT- TO-TRACTOR TOW BAR CONNECTIONS FOREWORD This British Standard relates only to the basic features affecting the coupling of aircraft tow bars to gr

2、ound towing vehicles: it does not specify all the requirements for the connections. The Standard implements the requirements of Recommendation R405, * of the International Organization for Standardization, prepared at the request of the International Air Transport Association as one of a series of r

3、ecommendations for aircraft ground servicing connections suitable for adoption on an international basis. The requirements for additional and larger connections are being considered. NOTE. Where metric equivalents have been given, the figures in British units are to be regarded as the standard. The

4、metric equivalents are approximate. More accurate conversions should be based on the tables in B.S. 350, Conversion factors and tables . SPECIFICATION SCOPE TRACTOR TOWING ATACHMENTS 1. This British Standard specifies the basic dimensional requirements for aircraft-to-tractor tow bar connections. 3.

5、 The towing attachments of tractors shall accept fittings _ of the design shown in Fig. 1, Tlieir3&M=be&ablel to enable the-tow barbepYalle1 to the ground. _ _ _- AiRCRAJ7 TOW BAR ENDS 2. The end fittings of aircraft tow bars for connection to tractors shall be of the form and dimensions shown in Fi

6、g. 1. - * IS0 Recommendatioii RcOL., Aircraft tow bar connections tO-WcRFs C. 15, October, 1960 Fig. 1. Aircraft-to-tractor tow bar fitting. -mu_ i i Internal diantefer (4) i Annularaosswctionai diameter (B) Size i- - I l I I j inches I millime!res inches millimeires 1 j 2.7 I 68 i . 25 4 I I This B

7、ritish Standard, having been approved by the Aircraft Industry Standards Committee and endorsed by the Chairman of the Engineering Divisional Council, was published under the authority of the General Council of the Institution on 28th October, 1960. The Institution desires to call attention to the f

8、act that this British Standard does not purport to comprise aii the necessary provisions of a contract. British Standards are revised, when necessary, by the issue either of amendiltent slips or of revised editions. It is important that irsers of British Standards should ascertan that they are in po

9、ssession of the latest amendments or edifiops. The following B.S.I. references relate to the work on this standard : Committee reference ACEI14. Draft for Comment CZ (ACE) 4979. Prinied in England by Gaylard & Son, London, S.E.14 G1071 2000/10/60 PD 5762 Amendment No. i, published 18 February, 1966

10、to British Standard C.15 : 1960 . Coupling dimensions for aircraft-to-tractor tow bar connections Revision NOTE. Revision of (his standard has become necessary to ensure compliance with IS0 Recommendation R 405. The revision provides a second size of low bar end fitting. Foreword. After Recommendati

11、on R, in the text and in the footnote, insert the number 405. In the faotnote, delete (in course of preparation) and insert to tractors. Clause 3. Tractor towing attachments. Delete , and shall be mounted not less than 10 in (254 mm) and not more than 36 in (915 mm) from the ground, Add the followin

12、g new sentence: Their height shall be variable to enable the tow bar to be parallel to the ground. Fig. 1. Aircraft-to-tractor tow bar fitting. Delete 2.7 in. (6 mm) and substitute A. Delete !1 in.- (25.4 h) and substitute B. Add the following table below Fig. 1. 1 Internal dianieter (A) 1 Annular cross sectional diameter (B) - Inches f millimefres 1 2.7 I i 1.0 i 254 2 i 3.0 I 76.2 I 1.625 1 41.3 Y