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1、 Reference number ISO 6489-4:2004(E) ISO 2004 INTERNATIONAL STANDARD ISO 6489-4 First edition 2004-02-15 Agricultural vehicles Mechanical connections between towed and towing vehicles Part 4: Dimensions of piton-type coupling Vhicules agricoles Liaisons mcaniques entre vhicules remorqueurs et vhicul
2、es remorqus Partie 4: Dimensions des dispositifs dattelage de type piton Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:19:19 MDTNo reproduction or networking permitted without license from I
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6、 address given below. ISO 2004 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or
7、 ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2004 All rights reserved Copyright International Organization for Standardiza
8、tion Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:19:19 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 6489-4:2004(E) ISO 2004 All rights reserved iii Foreword ISO (the International Organization for Standardization
9、) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be repr
10、esented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards ar
11、e drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an Internation
12、al Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 6489-4 was pr
13、epared by Technical Committee ISO/TC 23, Tractors and machinery for agriculture and forestry, Subcommittee SC 4, Tractors. ISO 6489 consists of the following parts, under the general title Agricultural vehicles Mechanical connections between towed and towing vehicles: Part 1: Dimensions of hitch-hoo
14、ks Part 2: Specifications for clevis coupling 40 Part 3: Tractor drawbar Part 4: Dimensions of piton-type coupling Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:19:19 MDTNo reproduction or n
15、etworking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:19:19 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL
16、 STANDARD ISO 6489-4:2004(E) ISO 2004 All rights reserved 1 Agricultural vehicles Mechanical connections between towed and towing vehicles Part 4: Dimensions of piton-type coupling 1 Scope This part of ISO 6489 specifies the dimensional requirements for the piton-type coupling devices used in the at
17、tachment to agricultural towing vehicles of towed, non-balanced trailers and implements equipped with a coupling ring specified in ISO 5692-1. Its purpose is to ensure the interchangeability of the mechanical connections on agricultural towing vehicles. It is applicable only in those cases where the
18、 vertical static load does not exceed 30 kN. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any am
19、endments) applies. ISO 500 (all parts), Agricultural tractors Rear-mounted power take-off types 1, 2 and 3 ISO 5692-1:1) , Agricultural vehicles Mechanical connections on towed vehicles Part 1: Dimensions for hitch-rings 3 Terms and definitions For the purposes of this document, the following terms
20、and definitions apply. 3.1 piton-type coupling device coupling device consisting of a pin (see Figure 1), mounting part and keeper 3.2 mounting part part needed to mount the pin and the keeper to an agricultural vehicle or to its mounting frame 3.3 keeper part that prevents unintentional uncoupling
21、of the hitch-ring 1) To be published. (Revision of ISO 5692:1979) Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:19:19 MDTNo reproduction or networking permitted without license from IHS -,-,
22、- ISO 6489-4:2004(E) 2 ISO 2004 All rights reserved 4 Dimensions 4.1 The keeper location and piton-type coupling device dimensions shall be in accordance with Figures 1 and 2. The keeper shall be contained within the maximum metal outline. 4.2 No part of the keeper shall be allowed to extend beyond
23、the hatched clearance lines (maximum metal condition illustrated) shown in Figure 2. 4.3 The manufacturer is responsible for both the design and the manufacturing quality of the piton-type coupling device. In order to prevent unintentional uncoupling of the hitch-ring when subjected to the maximum d
24、esign load, the distance between the top of the pin and the keeper shall not exceed 10 mm (see Figure 2). 4.4 The yaw requirement of 60 according to ISO 5692-1 is applicable for the device. Large tyres and narrow track settings on the towing vehicle can restrict this angle in service: when smaller t
25、yres and/or wide track settings are used on the towing vehicle, this angle may be exceeded. As this could result in interference, it should be indicated on a decal or decals on or near the assembly, and in the operators manual. Dimensions in millimetres Figure 1 Dimensions of pin 5 Location 5.1 The
26、location of the piton-type coupling device shall be in accordance with Figure 3. 5.2 In order to allow for the travel angles defined in ISO 5692-1, the location of the piton-type coupling device shall be in accordance with the following: a) the piton-type coupling device shall be mounted in the plan
27、e of the tractor longitudinal axis; b) the pin shall be located as high as possible, without any part of the pin-type coupling or its construction, keeper-plate, etc. entering the clearance zone specified for the PTO (power take-off) according to ISO 500. Copyright International Organization for Sta
28、ndardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:19:19 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 6489-4:2004(E) ISO 2004 All rights reserved 3 Dimensions in millimetres Figure 2 Dimensions of keeper li
29、miting surface (maximum metal) Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:19:19 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 6489-4:2004(E) 4 ISO 2004 All
30、 rights reserved a 50 mm to 160 mm. Figure 3 Pin PTO relations Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:19:19 MDTNo reproduction or networking permitted without license from IHS -,-,- I
31、SO 6489-4:2004(E) ISO 2004 All rights reserved 5 Annex A (informative) Recommended mechanical connection combinations between towing and towed vehicles Towing vehicle Towed vehicle ISO 6489-1:1991 hook type ISO 5692:1979/ISO 5692-1: c hitch-ring (50 mm hole centre, 30 mm ring diameter) ISO 5692:1979
32、/ISO 5692-1: c hitch-ring (50 mm hole centre, 30 mm ring diameter) ISO 6489-1:2001 hook type a ISO 20019:2001 hitch-ring (50 mm hole centre, 30 mm to 41 mm ring diameter) ISO 5692-2:2002 coupling ring (40 mm socket) ISO 8755:1986 40 mm drawbar coupling b ISO 6489-2:2002 bolt type ISO 1102:1986 50 mm
33、 drawbar coupling b ISO 6489-4:2004 piton type ISO 5692:1979/ISO 5692-1: c hitch-ring (50 mm hole centre, 30 mm ring diameter) ISO 24347 ball type ISO 24347 d (80 mm ball diameter) Only these combinations are recommended. a Connecting a ISO 6489-1:2001 hook, manufactured in accordance with the maxim
34、um sizes permitted, to hitch-rings in accordance with ISO 5692-1 and of minimum dimensions (30 mm ring diameter) according to ISO 20019 could result in a “jerky” connection between the tractor and the trailer and result in less driving comfort. b Primarily used on trailers towed behind trucks (on-ro
35、ad). c To be published. (Revision of ISO 5692:1979) d Under preparation. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:19:19 MDTNo reproduction or networking permitted without license from I
36、HS -,-,- ISO 6489-4:2004(E) 6 ISO 2004 All rights reserved Bibliography 1 ISO 1102:1986, Commercial road vehicles Mechanical connections between towing vehicles and trailers 50 mm drawbar couplings 2 ISO 5692:1979, Agricultural vehicles Mechanical connections on towed vehicles Hitch-rings Specificat
37、ions 3 ISO 5692-2:2002, Agricultural vehicles Mechanical connections on towed vehicles Part 2: Coupling ring 40 with socket 4 ISO 6489-1:1991, Agricultural vehicles Mechanical connections on towing vehicles Part 1: Hook type 5 ISO 6489-1:2001, Agricultural vehicles Mechanical connections between tow
38、ed and towing vehicles Part 1: Dimensions of hitch-hooks 6 ISO 6489-2:2002, Agricultural vehicles Mechanical connections between towed and towing vehicles Part 2: Specifications for clevis coupling 40 7 ISO 8755:1986, Commercial road vehicles Mechanical connections between towing vehicles and traile
39、rs 40 mm drawbar coupling 8 ISO 20019:2001, Agricultural vehicles Mechanical connections on towed vehicles Dimensions for hitch-rings 9 ISO 24347, Agricultural vehicles Mechanical connections between towed and towing vehicles Dimensions of ball-type coupling device (80 mm)2) 2) Under preparation. Co
40、pyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:19:19 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided
41、by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:19:19 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 6489-4:2004(E) ICS 65.060.01; 65.060.10 Price based on 6 pages ISO 2004 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Aramco HQ/9980755100 Not for Resale, 04/23/2007 03:19:19 MDTNo reproduction or networking permitted without license from IHS -,-,-