SAE J2292-2000 Combination PelvicUpper Torso (Type 2) Operator Restraint Systems for Off-Road Work Machines.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. TO PLACE A DOCUMENT ORDER; (724) 776-4970 FAX: (724) 776-0790 SAE WEB ADDRESS http:/w
3、ww.sae.org Copyright 2000 Society of Automotive Engineers, Inc. All rights reserved.Printed in U.S.A. SURFACE VEHICLE 400 Commonwealth Drive, Warrendale, PA 15096-0001 INFORMATION REPORT J2292 REV. OCT2000 Issued1997-08 Revised2000-10 Superseding J2292 AUG1997 Combination Pelvic/Upper Torso (Type 2)
4、 Operator Restraint Systems for Off-Road Work Machines ForewordThis SAE information Report includes requirements for combination pelvic and upper torso restraint systems and testing of seat belt anchorages on off-road work machines and the testing of seat belt assemblies. 1.ScopeThis SAE Information
5、 Report provides performance and test requirements for combination pelvic/ upper torso operator restraint systems provided for off-road self-propelled work machines. 1.1PurposeThis document applies to 3-point and 4-point operator restraint systems (Type 2 and Type 2A) for off-road, self-propelled wo
6、rk machines fitted with ROPS. 1.2Field of Application 1.2.1This document applies to operator restraint systems that include seat systems of 70 kg mass or less. 1.2.2For machines with seat systems of greater than 70 kg mass, such as those that include add-on control modules, it is necessary that the
7、seat support be designed to withstand an additional force of ten times the mass of the seat system which exceeds the 70 kg mass. This force should be added to the test forces for the pelvic restraint portion of combined system. 1.2.3A Type 2 belt is optional and may be used where upper torso restrai
8、nt is desired. This document provides guidelines for, but does not imply in any way, that an upper torso (Type 2) operator restraint system is required for off-road work machines. 2.References 2.1Applicable PublicationsThe following publications form a part of this publication to the extent specifed
9、 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 J141Seat Belt Hardware Performance Requirements SAE J386Operator Restraint Systems for Off-Road Work Machines SAE J82
10、6Devices for Use in Defining and Measuring Vehicle Seating Accommodation SAE J833Human Physical Dimensions SAE J899Operators Seat Dimensions for Off-Road Self-Propelled Work Machines SAE J1163Determining Operator Seat Location on Off-Road Work Machines SAE J2292 Revised OCT2000 -2- 2.1.2ISO PUBLICAT
11、IONAvailable from ANSI, 11 West 42nd Street, New York, NY 10036-8002. ISO 6683Earth-moving machinerySeat belts and seat belt anchorages 3.Definitions 3.1Adjustment HardwareHardware designed for adjusting the belt assembly to fit the user, including such hardware that may be integral with buckle, att
12、achment hardware, or retractor. 3.2AnchorageThe point where the seat belt assembly and/or extension (tether) belt is mechanically attached to the seat system and/or machine. 3.3Attachment HardwareHardware for securing a seat belt assembly to an anchorage on a seat system or on a machine. 3.4Body Blo
13、ckThe test device used to apply the seat belt force to the seat system (Reference Figures 1 and 2.) FIGURE 1PELVIC BODY BLOCK SAE J2292 Revised OCT2000 -3- FIGURE 2TORSO BODY BLOCK 3.5Buckle and LatchplateA quick-release connector which fastens the belt assembly into a loop. 3.6CreepThe amount of un
14、intentional lengthening of the seat belt assembly loop during use that is caused by motion of the machine, the seat, and the seat belted occupant. 3.7Extension (Tether) BeltAny strap, belt, or similar device (webbing, wire cable, solid link, etc.) that aids in the transfer of seat belt forces. 3.8Ha
15、rdwareAny metal or rigid plastic part of the restraint system. 3.9H-PointThe pivot axis between a human torso and thigh as defined by the H-point template and H-point machine in SAE J826. 3.10 LoopThe complete seat belt assembly as it would be installed around the seat occupant. 3.11 Operator Restra
16、int SystemThe total system composed of the seat belt assembly, seat system, anchorages, and extension (tether) belts, if applicable, which transfers the seat belt force to a machine. 3.12 Polyester YarnYarns spun from polyethylene terephthalate. SAE J2292 Revised OCT2000 -4- 3.13 RetractorsDevices f
17、or storing all or part of the strap material of a seat belt assembly. 3.14 RopingThe tendency of a piece of material to twist upon itself or roll up transversely, remaining in the form of a rope instead of staying in its original strap form. 3.15 Seat Belt AssemblyAny strap, webbing, or similar devi
18、ce designed to provide operator restraint in a machine. It includes buckles or other features, and may include the attachment hardware for installing the seat belt assembly to an anchorage. 3.15.1 TYPE 1 SEAT BELT ASSEMBLYA seat belt assembly which provides pelvic restraint. 3.15.2 TYPE 2 SEAT BELT
19、ASSEMBLYA seat belt assembly which provides both pelvic and upper torso restraint. This includes what is commonly referred to as 3-point and 4-point belt systems. 3.15.3 TYPE 2A SEAT BELT ASSEMBLYA seat belt assembly consisting of a separate upper torso restraint intended for use only in conjunction
20、 with a Type 1 seat belt assembly and when combined make up a Type 2 seat belt assembly. 3.16 Shoulder Reference PointA point 563 mm (22.16 in) above the H-point along the torso centerline of the two-dimensional drafting template described in SAE J826. 3.17 Upper Torso RestraintUpper torso restraint
21、 means a portion of a seat belt assembly intended to restrain movement of the chest and shoulder regions. 3.18 Pelvic RestraintPelvic restraint means a seat belt assembly or portion thereof intended to restrain movement of the pelvis. 3.19 Seat Index Point (SIP)The point in the central, vertical pla
22、ne of the SIP measuring device when installed in the operators seat as defined in SAE J1163. 3.20 Seat SystemThe total support mechanism between the machine and the operator interface. This could include the seat assembly, fixed seat support, or seat suspension (flexible seat support). 4.Technical R
23、equirements, Testing, and Performance of Seat Belts 4.1Seat Belt Assembly General Requirements 4.1.1SINGLE OCCUPANCYA seat belt assembly shall be designed for use by one, and only one, person at any time. 4.1.2RELEASEThe seat belt assembly shall be provided with a buckle or latch readily accessible
24、to the occupant, and designed to provide easy and rapid release of the assembly with a single motion. It shall also be capable of being released with either hand, bare or mittened. The buckle shall be designed to minimize the possibility of accidental release due to operator movement, inertia, or ex
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