ANSI AD24347-2014 Agricultural vehicles - Mechanical connections between towed and towing vehicles - Dimensions of ball-type coupling device (80 mm).pdf

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1、 ANSI/ASABE AD24347:2005 JUN2014 Agricultural vehicles Mechanical connections between towed and towing vehicles Dimensions of ball-type coupling device (80 mm) American Society of Agricultural and Biological Engineers ASABE is a professional and technical organization, of members worldwide, who are

2、dedicated to advancement of engineering applicable to agricultural, food, and biological systems. ASABE Standards are consensus documents developed and adopted by the American Society of Agricultural and Biological Engineers to meet standardization needs within the scope of the Society; principally

3、agricultural field equipment, farmstead equipment, structures, soil and water resource management, turf and landscape equipment, forest engineering, food and process engineering, electric power applications, plant and animal environment, and waste management. NOTE: ASABE Standards, Engineering Pract

4、ices, and Data are informational and advisory only. Their use by anyone engaged in industry or trade is entirely voluntary. The ASABE assumes no responsibility for results attributable to the application of ASABE Standards, Engineering Practices, and Data. Conformity does not ensure compliance with

5、applicable ordinances, laws and regulations. Prospective users are responsible for protecting themselves against liability for infringement of patents. ASABE Standards, Engineering Practices, and Data initially approved prior to the society name change in July of 2005 are designated as “ASAE“, regar

6、dless of the revision approval date. Newly developed Standards, Engineering Practices and Data approved after July of 2005 are designated as “ASABE“. Standards designated as “ANSI“ are American National Standards as are all ISO adoptions published by ASABE. Adoption as an American National Standard

7、requires verification by ANSI that the requirements for due process, consensus, and other criteria for approval have been met by ASABE. Consensus is established when, in the judgment of the ANSI Board of Standards Review, substantial agreement has been reached by directly and materially affected int

8、erests. Substantial agreement means much more than a simple majority, but not necessarily unanimity. Consensus requires that all views and objections be considered, and that a concerted effort be made toward their resolution. CAUTION NOTICE: ASABE and ANSI standards may be revised or withdrawn at an

9、y time. Additionally, procedures of ASABE require that action be taken periodically to reaffirm, revise, or withdraw each standard. Copyright American Society of Agricultural and Biological Engineers. All rights reserved. ASABE, 2950 Niles Road, St. Joseph, Ml 49085-9659, USA, phone 269-429-0300, fa

10、x 269-429-3852, hqasabe.org ANSI/ASABE AD24347:2005 JUN2014 Copyright American Society of Agricultural and Biological Engineers 1 ANSI/ASABE AD24347:2005 JUN2014 Revision approved June 2014 as an American National Standard Agricultural vehicles Mechanical connections between towed and towing vehicle

11、s Dimensions of ball-type coupling device (80 mm) These materials are subject to copyright claims of ISO and ASABE. No part of this publication may be reproduced in any form, including an electronic retrieval system, without the prior written permission of ASABE. All requests pertaining to the ANSI/

12、ASABE AD24347:2005 JUN2014 Standard should be submitted to ASABE. This standard was reviewed for adoption by the ASABE Power and Machinery Agricultural Machinery Agricultural Tractor Technical subcommittee, and has been formerly approved by the Technical Committee. Adopted by ASABE September 2008. A

13、pproved as an American National Standard August 2009; adoption revised to adoption with deviations June 2014; approved by ANSI June 2014. Keywords: Dimensions, Location, Mechanical connections, Power take-off, Tractors 0 Foreword 0.1 ANSI/ASABE AD24347:2005, Agricultural vehicles Mechanical connecti

14、ons between towed and towing vehicles Dimensions of ball-type coupling device (80 mm), is an adoption with deviations of the identically titled ISO standard ISO 24347:2005, Agricultural vehicles Mechanical connections between towed and towing vehicles Dimensions of ball-type coupling device (80 mm).

15、 Deviations noted in the following Foreword sections pertain to those provisions where harmonization could not be achieved between ASABE and the International Standard. 0.2 ANSI/ASABE AD24347 specifies the dimensions and location of a ball-type coupling device of 80 mm nominal diameter, whose male p

16、art fitted to an agricultural towing vehicle and female part fitted to a towed, non-balanced vehicle provides mechanical connection between the two vehicles, where the downwards vertical static load does not exceed 40 kN. This standard is intended for higher speed towing applications when the allowa

17、ble speed exceeds 40 km/h. 0.3 Three normative references are listed in ISO 24347:2005. The responsible ASABE committee has reviewed these references and approved the following deviations: 0.3.1 Replace ISO 500-1:2004, Agricultural tractors Rear-mounted power take-off types 1, 2 and 3 Part 1: Genera

18、l specifications, safety requirements, dimensions for master shield and clearance zone, corrected by ISO 500-1:2004/cor.1:2005, with ANSI/ASABE AD500-1:2004 W/Cor.1 OCT2011, Agricultural tractors Rear-mounted power take-off types 1, 2 and 3 Part 1: General specifications, safety requirements, dimens

19、ions for master shield and clearance zone. Any reference to ISO 500-1:2004 in the printed portion of the ISO 24347:2005 text shall be replaced by ANSI/ASABE AD500-1:2004 W/Cor.1 OCT2011. 0.3.2 Replace ISO 500-2:2004, Agricultural tractors Rear-mounted power take-off types 1, 2 and 3 Part 2: Narrow-t

20、rack tractors, dimensions for master shield and clearance zone, with ASABE/ISO 500-2:2004, Agricultural tractors Rear-mounted power take-off types 1, 2 and 3 Part 2: Narrow-track, tractors, dimensions for master shield and clearance zone. Any reference to ISO 500-2:2004 in the printed portion of the

21、 ISO 24347:2005 text shall be replaced by ASABE/ISO 500-2:2004. ANSI/ASABE AD24347:2005 JUN2014 Copyright American Society of Agricultural and Biological Engineers 2 0.4 This standard has been approved as an American National standard by ANSI (American National Standard Institute). 0.5 This standard

22、 deviates from ISO 24347:2005 as follows: 0.5.1 See Section 0.3 for Normative reference deviations. Text of ISO 24347:2005, Agricultural vehicles Mechanical connections between towed and towing vehicles Dimensions of ball-type coupling device (80 mm), follows. 1 Scope This International Standard spe

23、cifies the dimensions and location of a ball-type coupling device of 80 mm nominal diameter, whose male part fitted to an agricultural towing vehicle and female part fitted to a towed, non-balanced vehicle provides mechanical connection between the two vehicles, where the downwards vertical static l

24、oad does not exceed 40 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 amendments) applies.

25、 ISO 500-1:2004, Agricultural tractors Rear-mounted power take-off types 1, 2 and 3 Part 1: General specifications, safety requirements, dimensions for master shield and clearance zone, corrected by ISO 500-1:2004/cor.1:2005 ISO 500-2:2004, Agricultural tractors Rear-mounted power take-off types 1,

26、2 and 3 Part 2: Narrow-track tractors, dimensions for master shield and clearance zone ISO 5673-2:2005, Agricultural tractors and machinery Power take-off drive shafts and power-input connection Part 2: Specification for use of PTO drive shafts, and position and clearance of PTO drive line and PIC f

27、or various attachments 3 Dimensions and marking 3.1 Dimensions (see Figures 14) 3.1.1 The dimensions of the ball-type coupling device shall be in accordance with Figures 1 and 2. The keeper shall be contained within the maximum metal outline. 3.1.2 The minimum clearance zone for the keeper (see Figu

28、re 4) is defined by the required movement of the trailer shank according to 3.1.4 and the dimensioning of the shank as shown in Figure 2. It shall be considered in all rotational degrees of freedom. 3.1.3 The manufacturer of the ball-type coupling device is responsible for both the design and the ma

29、nufacturing quality of the ball-type coupling device such that unintentional uncoupling of the female part from the male part when subject to the maximum design load shall be prevented. The distance between the keeper and the ball centre shall be (65 1) mm (see Figure 3). 3.1.4 With the specified ba

30、ll-type trailer shank fixed to the tractor attachment, the shank shall be free to turn so that the angles formed with the horizontal situated in the tractors plane of symmetry and passing through the coupling point have the following minimum values. ANSI/ASABE AD24347:2005 JUN2014 Copyright American

31、 Society of Agricultural and Biological Engineers 3 Angle of yaw: rotation around a vertical axis passing through the coupling point minimum value of 60 on both sides. Angle of pitch: rotation around a horizontal axis passing through the coupling point and perpendicular to the vehicles longitudinal

32、plane of symmetry minimum value of 20, top and bottom. Allowance should be made for the towing vehicle being up to 3 from the horizontal, due to the front or rear tyre sizes. Angle of roll: rotation around a horizontal axis passing through the coupling point and located in the vehicles plane of symm

33、etry minimum value of 20, top and bottom. 3.1.5 The yaw requirement of 60, as shown in Figure 4, may be exceeded when smaller tyres and/or wide track settings are used on the towing vehicle. Decal(s) and the operators manual of the tractor should inform of this possibility, which could result in int

34、erference. 3.1.6 Examples of dimensions for the trailer shank are given in Annex A. 3.2 Marking The ball-type coupling device shall be permanently marked “ISO 80”, with this marking located on the top or side of the trailer shank. The trailer mating connection shall be permanently and visibly marked

35、 with a size identification. 4 Location 4.1 The location of the ball-type coupling device shall be in accordance with Figure 5. 4.2 The ball-type coupling device shall be mounted in the plane of the tractor longitudinal axis. 4.3 The centre of the ball shall be located at the distance shown rearward

36、s from the end of the power take-off (PTO) shaft in Figure 5, and as high as possible without any part of the ball-type coupling or its construction, keeper-plate, etc. entering the clearance zone as specified in ISO 500-1 and ISO 500-2 for the PTO and in ISO 5673-2 for the PTO drive shaft. 4.4 Anne

37、x B presents the geometrical conditions to be considered generally. Figure 1 Ball dimensions ANSI/ASABE AD24347:2005 JUN2014 Copyright American Society of Agricultural and Biological Engineers 4 Figure 2 Dimensions of ball-type trailer shank ANSI/ASABE AD24347:2005 JUN2014 Copyright American Society

38、 of Agricultural and Biological Engineers 5 Figure 3 Vertical location of keeper Figure 4 Minimum clearance zone for ball-type coupling device Dimensions in millimetres aKeeper shape optional Dimensions in millimetres ANSI/ASABE AD24347:2005 JUN2014 Copyright American Society of Agricultural and Bio

39、logical Engineers 6 Figure 5 Location of ball-type trailer shank in relation to PTO ANSI/ASABE AD24347:2005 JUN2014 Copyright American Society of Agricultural and Biological Engineers 7 Annex A (informative) Examples of trailer shank configurations and dimensions See Figures A.1 to A.4. Figure A.1 E

40、xample 1 ANSI/ASABE AD24347:2005 JUN2014 Copyright American Society of Agricultural and Biological Engineers 8 Figure A.2 Example 2 ANSI/ASABE AD24347:2005 JUN2014 Copyright American Society of Agricultural and Biological Engineers 9 Figure A.3 Example 3 Figure A.4 Example 4 ANSI/ASABE AD24347:2005 JUN2014 Copyright American Society of Agricultural and Biological Engineers 10 Annex B (informative) Clearance zones Figure B.1 shows the PTO, the coupling device and their clearance zones (see 4.3). Figure B.1 PTO and coupling device clearance zones