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 there
2、from, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2012 SAE International All rights reserved. No part of this p
3、ublication 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: +1 724-776-497
4、0 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/J326_201211SURFACE VEHICLE STANDARD J326 NOV2012 Issued 1968-01 Revised 2012-11 S
5、uperseding J326 MAR1986 Nomenclature - Hydraulic Backhoes RATIONALE This standard is being revised to update the figures to include roll-over protective structures and to update an out-of-date reference. 1. SCOPE This SAE Standard includes hydraulic backhoes which have no more than 190 degrees of ro
6、tational swing, and are mounted on wheel tractors and crawler tractors. Illustrations used are not intended to include all existing commercial machines or to be exact descriptions of any particular machine. The illustrations have been chosen to describe the principles to be used in applying this sta
7、ndard. 1.1 Purpose This SAE Standard defines types of hydraulic backhoes and the names of major components and parts peculiar to hydraulic backhoes. 2. REFERENCES 2.1 Applicable Documents The following publications form a part of this specification to the extent specified herein. Unless otherwise in
8、dicated, the latest issue of SAE publications shall apply. 2.1.1 ASABE Publications Available from American Society of Agricultural and Biological Engineers, 2950 Niles Road, St. Joseph, MI 49085, http:/www.asabe.org/. ASABE S217.12 Three-Point Free-Link Attachment for Hitching Implements to Agricul
9、tural Wheel Tractors SAE J326 Revised NOV2012 Page 2 of 7 3. DEFINITIONS For purposes of this Standard, hydraulic backhoes are divided into three type classifications dependent on the method of attaching to the machines. The arrangement of backhoe components illustrated is applicable to any of the t
10、hree types. 3.1 TYPE A BACKHOE A backhoe designed to be installed on a standard three-point hitch coupler, or equivalent, in which usage1is as an alternate implement. (Ref. ASABE S217.12.) 3.2 TYPE B BACKHOE A backhoe designed to be installed on a machine in which usage1is a basic function of the ma
11、chine, but can be readily removed and replaced by other tools or equipment. 3.3 TYPE C BACKHOE A backhoe designed to be an integral part of the machine, in which usage1is a primary function of the machine. Even though the backhoe may be removable, the tractor is not designed to have the backhoe repl
12、aced by other tools or equipment. 3.4 BACKHOE DIRECTIONAL REFERENCES The terms right, left, front, or rear shall be determined from the position of the operator when seated in the backhoe operating position. 1End point usage intended by the manufacturers design objectives. SAE J326 Revised NOV2012 P
13、age 3 of 7 FIGURE 1 - TYPE A BACKHOE SAE J326 Revised NOV2012 Page 4 of 7 FIGURE 2 - TYPE B BACKHOE SAE J326 Revised NOV2012 Page 5 of 7 FIGURE 3 - TYPE C BACKHOE SAE J326 Revised NOV2012 Page 6 of 7 FIGURE 4 - SIDESHIFT MAIN FRAME FIGURE 5 - FIXED PIVOT MAIN FRAME FIGURE 6 - EXTENDABLE DIPPERSTICK
14、SAE J326 Revised NOV2012 Page 7 of 7 1. Bucket 2. Link, Bucket 3. Link, Guide 4. Pin, Bucket Hinge 5. Dipperstick (Extendable or Fixed) 6. Cylinder, Bucket 7. Pin, Dipperstick Hinge 8. Boom 9. Cylinder, Dipperstick 10. Pin, Boom Hinge 11. Cylinder, Boom 12. Frame, Swing 13. Swing Pivot Center Line 1
15、4. Actuator, Swing 15. Main Frame 16. Stabilizer (Right or Left) 17. Cylinder, Stabilizer (Right or Left) 18. Pad, Stabilizer (Right or Left) 19. Console, Control 20. Seat 21. Subframe 22. Frame, Side Shift (Sliding) 23. Dipperstick Extension 24. Cylinder, Dipperstick Extension PREPARED BY THE SAE MTC1, LOADERS, CRAWLERS, SCRAPERS AND MOUNTED ATTACHMENTS COMMITTEE
