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本文(SAE J 2473-2014 Self-Propelled Sweepers and Scrubbers - Maximum Gradient Rating During Hopper Discharge《储料器卸料期间自动推进清扫机和清洁机的最大倾斜额定值》.pdf)为本站会员(赵齐羽)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

SAE J 2473-2014 Self-Propelled Sweepers and Scrubbers - Maximum Gradient Rating During Hopper Discharge《储料器卸料期间自动推进清扫机和清洁机的最大倾斜额定值》.pdf

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 2014 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/J2473_201404 SURFACE VEHICLE STANDARD J2473 APR2014 Issued 2001-08 Revised 2014-0

5、4 Superseding J2473 NOV2007 Self-Propelled Sweepers and Scrubbers - Maximum Gradient Rating During Hopper Discharge RATIONALE The document has been revised to update referenced document and clarify some statements. 1. SCOPE This SAE Standard establishes the maximum gradient rating during hopper disc

6、harge of self-propelled, driver-operated sweepers and scrubbers as defined by SAE J2130-1 and SAE J2130-2. 2. REFERENCES 2.1 Applicable Documents The following publications form a part of this specification to the extent specified herein. Unless otherwise indicated, the latest issue of SAE publicati

7、ons shall apply. 2.1.1 SAE Publication Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org. SAE J2130-1 Identification of Self-Propelled Sweepers and Cleaning Equipment Part 1 Machin

8、es with a Gross Vehicle Mass Greater than 5000 kg SAE J2130-2 Identification of Self-Propelled Sweepers and Cleaning Equipment Part 2 Machines with a Gross Vehicle Mass up to 5000 kg SAE J2180 A Tilt-Table Procedure for Measuring the Static Rollover Threshold for Heavy Trucks SAE INTERNATIONAL J2473

9、 Revised APR2014 Page 2 of 5 2.2 Related Publications The following publications are provided for information purposes only and are not a required part of this SAE Technical Report. 2.2.1 SAE Publication Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-60

10、6-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org. SAE J765 Crane Load Stability Test code. 3. DEFINITIONS 3.1 HOPPER RATED LOAD The material mass in kilograms of bagged sand applied to the hopper according to the manufacturers specifications. 3.2 OUTRIGGERS Extendable or fix

11、ed arms attached to the base machine that rest on the supporting surface to define the balance point fulcrum. See Figures 1 and 2. 3.3 TIPPING LINE (SIDE DUMP) 3.3.1 Sweeper with Steerable Axle A line connecting the centers of contact of the front and rear tires with the ground reference plane on th

12、e tipping side of the machine. See Figures 3 and 4. FIGURE 1 - OUTRIGGER EQUIPPED FIGURE 2 - OUTRIGGER EQUIPPED SAE INTERNATIONAL J2473 Revised APR2014 Page 3 of 5 FIGURE 3 - SIDE DISCHARGE FIGURE 4 - SIDE DISCHARGE 3.3.2 Sweeper with Oscillating Axle A line connecting the center of contact of the t

13、ire on the rigid axle with the ground reference plane on the tipping side of the machine and the center of oscillation of the oscillating axle. 3.3.3 Sweeper with Articulating Steering A line connecting the center of contact of the tires on the tipping axle when the vehicle is set to turn on full lo

14、ck away from the tipping side. See Figure 4c. 3.3.4 Sweeper with Outriggers A line connecting the center of contract of the outrigger pads with the ground reference plane on the tipping side of the machine. See Figure 1. SAE INTERNATIONAL J2473 Revised APR2014 Page 4 of 5 3.4 TIPPING LINE (FRONT OR

15、REAR DUMP) 3.4.1 Sweeper without Outriggers A line through the front or rear axle on the tipping end of the machine. See Figures 5 and 6. FIGURE 5 - REAR DISCHARGE FIGURE 6 - FRONT DISCHARGE 3.4.2 Sweeper with Outriggers A line connecting the center of contact of the outrigger pads with the ground r

16、eference plane on the tipping end of the machine. See Figure 2. 3.5 BALANCE POINT 3.5.1 Machine Without Outriggers The moment acting to overturn the machine at hopper rated load that shall not cause any tire on the side opposite the load side to lift more than 1.6 mm from the ground reference. 3.5.2

17、 Machine with Outriggers The moment acting to overturn the machine at hopper rated load that shall not cause any tire or outrigger pad on the side opposite the load to lift more than 1.6 mm from the ground reference plane. SAE INTERNATIONAL J2473 Revised APR2014 Page 5 of 5 4. SPECIAL REQUIREMENTS 4

18、.1 Stability limitations are not applicable under loads based on structural competence. 4.2 Stability Criteria 4.2.1 Design stability is the measure of a machines resistance to overturning under rigidly controlled conditions that include consideration for dynamic factors encountered in normal applic

19、ation and operation. Factors that can influence stability include, mass, mass distribution, wheelbase, method of suspension, the deflection resulting from load mass, and the orientation on a slope. 4.2.2 Static stability shall be determined by the tilt table procedure for measuring the static rollov

20、er threshold for heavy trucks in accordance with SAE J2180. 4.2.3 Maximum Gradient Rating 4.2.3.1 For those sweepers that can be moved or are required to be moved with the hopper in the raised position the following shall apply; The gradient rating in degrees shall be with a rated capacity load in t

21、he hopper, with the hopper fully raised and with the sweeper traveling at the maximum speed possible. In this condition the application of brake or propel controls shall not cause any tire of the sweeper to lose contact with the ground reference plane. The test shall be conducted in both forward and

22、 reverse directions. 4.2.3.2 For those sweepers not designed to move during hopper discharge the following shall apply; The gradient rating in degrees shall be with a rated capacity load in the hopper and with the hopper fully raised over the tipping line. The machine shall additionally be positione

23、d on the incline, facing in a direction where stability is in the worst condition. In this condition no tire or outrigger shall lift clear of the ground reference plane by more than 1.6 mm. 5. NOTES 5.1 Marginal Indicia A change bar (l) located in the left margin is for the convenience of the user i

24、n locating areas where technical revisions, not editorial changes, have been made to the previous issue of this document. An (R) symbol to the left of the document title indicates a complete revision of the document, including technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. PREPARED BY THE SAE MTC2, SWEEPER, CLEANER, AND MACHINERY

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