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1、BRITISH STANDARD BS 6911-8: 1993 ISO 10266: 1992 Testing earth-moving machinery Part 8: Determination of slope limits for machine fluid systems operation (static test method) UDC 621.878/.879.004.17:551.4.037 Licensed Copy: sheffieldun sheffieldun, na, Wed Dec 06 12:36:27 GMT+00:00 2006, Uncontrolle
2、d Copy, (c) BSI BS 6911-8:1993 This British Standard, having been prepared under the direction of the Technical Committee B/513, was published under the authority of the Standards Board and comes into effect on 15 March 1993 BSI 10-1999 The following BSI references relate to the work on this standar
3、d: Committee reference B/513/1 Draft for comment 91/14128 DC ISBN 0 580 21634 9 Committees responsible for this British Standard The preparation of this British Standard was entrusted by Technical Committee B/513, Construction equipment and plant, and site safety, to Subcommittee B/513/1, Earth-movi
4、ng machinery, upon which the following bodies were represented: British Coal Corporation Construction Plant (Hire Association) Federation of Civil Engineering Contractors Federation of Manufacturers of Construction Equipment and Cranes Health and Safety Executive Institution of Civil Engineers Silso
5、e Research Institute Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Wed Dec 06 12:36:27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6911-8:1993 BSI 10-1999i Contents Page Committees responsibleInside front cover National forewordii 1Scope1 2Nor
6、mative reference1 3Definitions1 4Test equipment1 5Measuring equipment and accuracy1 6Machine preparation1 7Slope capability2 8Criteria2 9Recording of test results2 Annex A (normative) Model test report3 List of referencesInside back cover Licensed Copy: sheffieldun sheffieldun, na, Wed Dec 06 12:36:
7、27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6911-8:1993 ii BSI 10-1999 National foreword This Part of BS 6911 has been prepared under the direction of Technical Committee B/513, Construction equipment and plant, and site safety, and is identical with ISO 10266:1992 Earth-moving machinery Determ
8、ination of slope limits for machine fluid systems operation Static test method, published by the International Organization for Standardization (ISO). ISO 10266 was prepared by Subcommittee 1, Test methods relating to machine performance, of ISO Technical Committee 127, Earth-moving machinery, with
9、the active participation and approval of the UK. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal oblig
10、ations. Cross-reference International StandardCorresponding British Standard ISO 6165:1987BS 6914 Terminology (including definitions of dimensions and symbols) for earth-moving machinery Part 1:1988 Glossary of terms for basic types of earth-moving machinery (Identical) Summary of pages This documen
11、t comprises a front cover, an inside front cover, pages i and ii, pages 1 to 4, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Licensed Copy:
12、 sheffieldun sheffieldun, na, Wed Dec 06 12:36:27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6911-8:1993 BSI 10-19991 1 Scope This International Standard specifies laboratory test procedures to establish the static slope capability of fluid system(s) operation of earth-moving machines (engine, po
13、wer train, fuel system, oil system, etc.). It evaluates the performance parameters that limit the static slope capability of machine system(s) operation. The preferred static slope capability test method is with the machine on a tilt platform or on a prepared slope. An acceptable alternative method
14、is the testing of complete fluid systems on a test bench. In either method, precautions are necessary to ensure safety. This International Standard applies to earth-moving machines as given in ISO 6165, with combinations of standard mounted attachments. 2 Normative reference The following standard c
15、ontains provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the edition indicated was valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investi
16、gate the possibility of applying the most recent edition of the standard indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 6165:1987, Earth-moving machinery Basic types Vocabulary. 3 Definitions For the purposes of this International Standard,
17、 the following definitions apply. 3.1 machine orientation position of the longitudinal axis of the machine (expressed in degrees) on the slope. The 0 position is when the front of the machine is upslope. All positions are measured clockwise from the 0 position 3.2 stabilized operating temperature fl
18、uid temperature showing no more than 2 C change per minute during operation 3.3 fluid system(s) any system(s) that use(s) oil or water solutions for cooling, lubrication actuation and power transmission together with the fuel system 3.4 (machine) static slope capability maximum slope, expressed in d
19、egrees, that the machine fluid system(s) can operate on without malfunction or damage to any fluid system, at all the machine orientations specified in 3.5 and 3.6 3.5 (machine) longitudinal static slope capability maximum slope, expressed in degrees, that the machine can achieve longitudinally (i.e
20、. oriented at 0 and 180) during the static slope evaluation without exceeding performance parameters 3.6 (machine) lateral static slope capability maximum slope, expressed in degrees, that the machine can achieve laterally (i.e. oriented at 90 and 270) during the static slope evaluation without exce
21、eding performance parameters 4 Test equipment 4.1 Tilt platform or prepared slope surface that will position the machine at the desired slope. 4.2 Suitable equipment to restrain the machine in a safe position on the slope. Note that tipping of the machine may occur before the fluid system(s) limits
22、are reached. 4.3 Suitable instrumentation to monitor the pressures and temperatures in the fluid system(s) and also to monitor the slope. 5 Measuring equipment and accuracy The measuring equipment shall have the following accuracy. 6 Machine preparation 6.1 Machines requiring roll-over protective st
23、ructures (ROPS) or where ROPS are available, should be so equipped for these tests. Where machines are not equipped with ROPS, special safety precautions shall be taken. During the test, an operator shall occupy his working position on the machine. Parameter measuredAccuracy Slope angle 2 % Pressure
24、 2 % Temperature 1 C Engine speed 2 % of maximum Orientation angle 2 Licensed Copy: sheffieldun sheffieldun, na, Wed Dec 06 12:36:27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6911-8:1993 2 BSI 10-1999 6.2 The slope tests shall be conducted with the fluid systems filled initially to the minimum l
25、evels specified by the manufacturer. The fluid levels shall be checked with the systems at stabilized operating temperatures. The fuel tank shall be at the full mark. 6.3 Record the fluid system(s) and tyre (wheeled machines) pressures to ensure that they are within the manufacturers specifications.
26、 7 Slope capability 7.1 Place the machine on the tilt platform or the prepared slope at the longitudinal and lateral orientations as defined in 3.5 and 3.6. Depending on the system(s) design and location in the machine, other additional orientations may be chosen. Secure the machine as necessary to
27、ensure the machine will not tip over or slide. 7.2 Operate the engine throughout the speed range and simultaneously operate all fluid systems through their maximum range until all fluid systems are within the stabilized temperature operating range specified by the manufacturer. 7.3 With the engine o
28、perating at maximum speed, record system(s) pressures and temperatures at 5 min intervals until all fluid system(s) have stabilized, or fallen outside of the manufacturers recommendations, or the following are noted: a) any system(s) pressure has dropped to less than 90 % of the pressure recorded in
29、 6.3; b) any leaks, noise, abnormal fluid system temperatures, or operational characteristics of any of the system(s) have occurred. 7.4 Repeat 7.1 to 7.3 at other machine orientations and slope angles as necessary to the manufacturers specified machine system(s) slope capability. 7.5 Repeat 7.1 to
30、7.4 with maximum fluid levels in all systems. 8 Criteria The machine fluid system(s) slope capability as defined in 3.4 shall meet the conditions specified in 7.3. 9 Recording of test results Summarize results in accordance with Annex A. Licensed Copy: sheffieldun sheffieldun, na, Wed Dec 06 12:36:2
31、7 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6911-8:1993 BSI 10-19993 Annex A (normative) Model test report Licensed Copy: sheffieldun sheffieldun, na, Wed Dec 06 12:36:27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 4 blank Licensed Copy: sheffieldun sheffieldun, na, Wed Dec 06 12:36:27 GMT+00:00
32、2006, Uncontrolled Copy, (c) BSI BS 6911-8:1993 BSI 10-1999 List of references See national foreword. Licensed Copy: sheffieldun sheffieldun, na, Wed Dec 06 12:36:27 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6911-8: 1993 ISO 10266: 1992 BSI 389 Chiswick High Road London W4 4AL BSI British Standa
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