ANSI ISO 9192-1991 Lawn and garden ride-on (riding) tractors - One-point tubular sleeve hitch.pdf

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1、 ASAE/ISO 9192:1991 OCT2001 (R2017) Lawn and garden ride-on (riding) tractors One-point tubular sleeve hitch American Society of Agricultural and Biological Engineers ASABE is a professional and technical organization, of members worldwide, who are dedicated to advancement of engineering applicable

2、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 agricultural field equipment, farmstead equipment,

3、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 Practices, and Data are informational and advisory only.

4、 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 applicable ordinances, laws and regulations. Prospe

5、ctive 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”, regardless of the revision approval date. Newly develope

6、d 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 requires verification by ANSI that the requirements

7、 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 interests. Substantial agreement means much more than

8、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 any time. Additionally, procedures of ASABE require t

9、hat action be taken periodically to reaffirm, revise, or withdraw each standard. Copyright American Society of Agricultural and Biological Engineers. AIl rights reserved. ASABE, 2950 Niles Road, St. Joseph, Ml 49085-9659, USA, phone 269-429-0300, fax 269-429-3852, hqasabe.org ASAE/ISO 9191:1991 OCT2

10、001 (R2017) Copyright American Society of Agricultural and Biological Engineers 1ASAE/ISO 9192:1991 OCT2001 (R2017) Approved November 2011; reaffirmed January 2017 as an American National Standard Lawn and garden ride-on (riding) tractors One-point tubular sleeve hitch These materials are subject to

11、 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 ASAE/ISO 9192:1991 OCT2001 (R2017) standard should be submitted to ASABE. ASAE S348 histo

12、ry: Developed by the Implement Attachment Subcommittee of the ASAE Small Tractor and Power Equipment Committee; approved by the ASAE Power and Machinery Division Standards Committee; adopted by ASAE as a Tentative Standard February 1972; reaffirmed December 1972; reclassified as a full Standard Dece

13、mber 1973; reaffirmed December 1978; revised February 1984; reaffirmed December 1988; approved as an American National Standard May 1989; revised editorially June 1989; revised February 1994; revision approved by ANSI December 1995; reaffirmed by ASAE December 1998, December 1999; reaffirmed by ANSI

14、 June 2000; reaffirmed by ASAE January 2001; superseded by ISO 9192 October 2001; approved by ANSI November 2002; reaffirmed February 2007, February 2012, January 2017. Keywords: Definitions, Hitching, Lawn, One-point, Tractors 1 Scope The International Standard specifies the requirements for the co

15、nnection of implements or attachments to the rear of lawn and garden ride-on (riding) tractors by means of a one-point (single pin connection) hitch in association with a manual or power lift system. Standard dimensions for hitch point location, hitch tube and implement yoke are laid down to ensure

16、the connection of specific implements or attachments. It applies to lawn and garden ride-on (riding) tractors as defined below. 2 Definition For the purposes of this International Standard, the following definition applies. 2.1 ride-on (riding) machine; lawn and garden tractor; turf (riding) tractor

17、: Self-propelled machine on which an operator rides, designed primarily for cutting grass and auxiliary garden work. The cutting means may be an integral part of the machine or suspended from or attached to the machine.1) 2.2 General (see Figure 1) 2.2.1 hitch point : a) Pivotal point of connection

18、of hitch to tractor. b) Actual point of connection to tractor when implement is attached. 1)For the convenience of the user of this International Standard, this definition is repeated from ISO 5395:1990 (definition 1.3.40). ASAE/ISO 9191:1991 OCT2001 (R2017) Copyright American Society of Agricultura

19、l and Biological Engineers 22.2.2 implement yoke : Clevis-shaped part attached to implement, constructed to fit loosely to hitch tube and secured by hitch pin. 2.2.3 Implement connection point : Connection between the hitch and implement. 2.3 Hitch components (see Figure 1 and Figure 2) 2.3.1 hitch

20、pin : Pin that connects implement to the hitch. 2.3.2 hitch tube : Tube portion on the hitch which received the implement yoke. 2.3.3 hitch ball : Portion of the hitch assembly containing hitch tube, stabilizer bolts, and holes for connection to tractor frame at hitch point. 2.3.4 stabilizer bolt :

21、Bolt that is used for adjusting clearance between hitch bail and implement yoke. Figure 1 Typical one-point tubular sleeve hitch 2.4 Hitch dimensions (see Figure 2) 2.4.1 lift range: Range of vertical adjustment plus the power range. 2.4.2 power range: Total vertical movement of the hitch measured a

22、t the hitch tube and excluding any vertical adjustment in the hitch lift linkage. 2.4.3 attaching point/tyre clearance: Horizontal dimension between the centreline of the hitch tube and the outside diameter of the tractor tyre when the hitch is lowered. 2.4.4 implement levelling: Means provided for

23、adjusting the implement for level operation while working, generally accomplished by adjustments built into the implement where required. Levelling may also be provided within the adjustment of the lift linkage and hitch point. 2.4.5 attachment: Optional assembly of components that can be mounted on

24、 a lawn and garden ride-on (riding) tractor for a specific use. ASAE/ISO 9191:1991 OCT2001 (R2017) Copyright American Society of Agricultural and Biological Engineers 3Figure 2 Hitch and yoke dimensions 3 Dimensions 3.1 Implements Dimensions relating to the implement shall be as given in Figure 2 an

25、d Table 1. NOTES: 1 Means should be provided in implement design to allow levelling of implement when at its normal working depth. 2 When implement mass adversely affects the lengthwise stability of the tractor, front end ballast should be made available and its use recommended. 3.2 Tractor Dimensio

26、ns relating to the tractor hitch shall be as given in Figure 2 and Table 2. ASAE/ISO 9191:1991 OCT2001 (R2017) Copyright American Society of Agricultural and Biological Engineers 4Table 1 Implement dimensions Symbol Measurement Dimensions (mm) min. max. l6 Centre of hole to inside edge 32 36 d5 Hole

27、 diameter 2 holes in line 17 18 l7 Vertical depth inside 90 92 b Width 1001) - t Thickness 62) 13 1) 100 mm min. dimension applies only to implements requiring side stabilization. 2) Recommended thickness. Table 2 Tractor hitch dimensions Symbol Measurement Dimensions (mm) min. max. Hitch point: h1

28、Vertical height from ground, (200 recommended) 180 230 Horizontal distance from centreline rear axle l1 rearward - 250 l2 forward- 75 Hitch pin: d1 Diameter 15 16L1 Straight portion length 130 - Hitch tube: 6 8 d2 Inside diameter 17 18 d3 Outside diameter 25 - L2 Length 82 86l Centre of hitch tube t

29、o rear of ball - 26 Lift range: h2 Recommended only including power range 140 - Power range: L3 Vertical travel from top of hitch tube when top of hitch tube is 254 mm from ground when lowered 90 - Stabilizer bolts (see also clause 6): 20 - d4 Diameter 15l3 Adjustment 12l4Spacing 60 70l5 Attaching p

30、oint tyre clearance 75 - ASAE/ISO 9191:1991 OCT2001 (R2017) Copyright American Society of Agricultural and Biological Engineers 54 Tractor lift force capacity A minimum lift force of 1,8 kN shall be available at the implement attaching point. 5 Manual lift effort Lift handle effort should not exceed

31、 180 N. 6 Stabilizer bolts In addition to the dimensional requirements specified in Table 2, locking means, e.g. jam nuts, should be provided. Annex A (informative) Bibliography 1 ISO 5395:1990, Power lawn-mowers, lawn tractors, lawn and garden tractors, professional mowers, and lawn and garden trac

32、tors with mowing attachments Definitions, safety requirements and test procedures. 2 ISO 9190:1990, Lawn and garden ride-on (riding) tractors Drawbar. 3 ISO 9192:1991, Lawn and garden ride-on (riding) tractors One-point tubular sleeve hitch. 4 ISO 9193:1990, Lawn and garden ride-on (riding) tractors Power take-off.