SAE J2194-2002 Roll-Over Protective Structures (ROPS) for Wheeled Agricultural Tractors.pdf
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1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefr
2、om, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2002 Society of Automotive Engineers, Inc. All rights reserved. No part of
3、this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER:Tel: 877-606-7323 (inside USA and Canada) Tel: 724-776-4
4、970 (outside USA) Fax: 724-776-0790 Email: custsvcsae.org SAE WEB ADDRESS:http:/www.sae.org SURFACE VEHICLE STANDARD J2194 REAF. AUG2002 Issued1987-12 Reaffirmed2002-08 Superseding J2194 SEP1997 Roll-Over Protective Structures (ROPS) for Wheeled Agricultural Tractors ForewordThere was one editorial
5、change to this document. SAE J117 was cancelled. This has been removed. 1.Scope 1.1Any ROPS meeting the performance requirement of ISO 5700 (Static ROPS Test Standard) or ISO 3463 (Dynamic ROPS Test Standard) meets the performance requirements of this SAE Standard if the ROPS temperature/material an
6、d seat belt requirements of this document are also met. 1.2Fulfillment of the intended purpose requires testing as follows: 1.2.1A temperature-material requirement (6.9). This can be satisfied by using the appropriate materials or by performing any of the structural performance tests (Sections 7, 8,
7、 or 9) at 18 C. 1.2.2A laboratory test, under repeatable and controlled loading, to permit analysis of the ROPS for compliance with the performance requirements of this document. Either the static test sequence (Section 7) or the impact test sequence (Section 8 ) shall be conducted. See Figure 1. 1.
8、2.3A seat belt anchorage test (Section 10). 1.3The test procedures and performance requirements outlined in this document are based on currently available engineering data. 1.4PurposeThe purpose of this document is to establish the test and performance requirements of a roll-over protective structur
9、e (ROPS), designed for wheeled agricultural tractors to minimize the frequency and severity of operator injury resulting from accidental tractor upset. SAE J2194 Reaffirmed AUG2002 -2- FIGURE 1TEMPERATURE MATERIAL REQUIREMENT 2.References 2.1Applicable PublicationsThe following publications form a p
10、art of this specification to the extent specified herein. Unless otherwise indicated, the latest issue of SAE publications shall apply. 2.1.1SAE PUBLICATIONSAvailable from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001. SAE J114Seat Belt Hardware Webbing Abrasion Performance Requirements SAE
11、 J140Seat Belt Hardware Test Procedure SAE J141Seat Belt Hardware Performance Requirements SAE J339Seat Belt Hardware Webbing Abrasion Test Procedure SAE J800Motor Vehicle Seat Belt Assembly Installation SAE J1150Terminology for Agricultural Equipment SAE J1194Rollover Protective Structures (ROPS) f
12、or Wheeled Agricultural Tractors 2.1.2ASAE PUBLICATIONSAvailable from the American Society of Agricultural Engineers, 2950 Niles Road, St. Joseph, MI 49085-9659. ASAE S313Soil Cone Penetrometer ASAE S383Roll-Over Protective Structures (ROPS) for Wheeled Agricultural Tractors SAE J2194 Reaffirmed AUG
13、2002 -3- 2.1.3ASTM PUBLICATIONAvailable from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959. ASTM A 370Standard Methods and Definitions for Mechanical Testing of Steel Products 2.1.4ISO PUBLICATIONSAvailable from ANSI, 25 West 43rd Street, New York, NY 10036-8002. ISO 612Road vehicles
14、Dimensions of motor vehicles and towed vehiclesTerms and definitions ISO 3462Tractors and machinery for agriculture and forestrySeat reference pointMethod of determination ISO 3463Dynamic ROPS test standard ISO 5700Static ROPS test standard 2.2Related PublicationsThe following publications are provi
15、ded for information purposes only and are not a required part of this document. 2.2.1SAE PUBLICATIONSAvailable from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001. SAE J429Mechanical and Material Requirements for Externally Threaded Fasteners SAE J674Safety Glazing MaterialsMotor Vehicles an
16、d Motor Vehicle Equipment SAE J995Mechanical and Material Requirements for Steel Nuts 3.Definitions 3.1Agricultural TractorA traction machine designed and advertised primarily to supply power to agricultural implements and farmstead equipment. An agricultural tractor propels itself and provides a fo
17、rce in the direction of travel to enable attached soil engaging and other agricultural implements to perform their intended function per SAE J1150. 3.2Rollover Protective Structure (ROPS)A cab or frame for the protection of operators of agricultural tractors to minimize the possibility of serious op
18、erator injury resulting from accidental upset. The ROPS is characterized by providing space for the clearance zone inside the envelope of the structure or within a space bounded by a series of straight lines from the outer edge of the structure to any part of the tractor that might come in contact w
19、ith flat ground and is capable of supporting the tractor in that position if the tractor overturns. The mounting structure and fasteners forming the mounting connection with the tractor are part of the ROPS. 3.3Tractor MassThe mass of the unladen tractor in operating order with tanks and radiators f
20、ull, protective structure with cladding and any wheel equipment or additional front wheel drive components required to support the tractor static weight. The operator, optional hitch equipment, optional ballast weights, additional wheel equipment, and other special equipment are not included. 3.4Ref
21、erence MassA mass, not less than the tractor mass, selected for calculation of the force and energy inputs to be used during tests. 3.5Seat Reference Point (SRP)The seat reference point shall be determined in accordance with ISO 3462 with the seat adjusted to its rearmost and uppermost position. For
22、 a suspended seat, the seat shall be set to the midpoint of the suspension travel, unless this is contradictory to clearly stated instructions by the manufacturer of the seat. Where special instructions for the seat setting exist, these shall be observed. 3.6Static Test Horizontal LoadingThe applica
23、tion of a horizontal static load to the rear, front, or side of the ROPS. 3.7Impact TestThe application of a dynamic load to the rear, front, or side of the ROPS produced by a mass acting as a pendulum. SAE J2194 Reaffirmed AUG2002 -4- 3.8Crushing TestThe application of a vertical static load throug
24、h a beam placed laterally across the uppermost members of the ROPS. The resultant of the initial crushing load shall be in the vertical direction and shall be in a vertical reference plane passing through the SRP and parallel to the longitudinal axis of the tractor. 3.9Vertical Reference PlaneA vert
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