1、BRITISH STANDARD BS6911-8: 1993 ISO10266: 1992 Testing earth-moving machinery Part 8: Determination of slope limits for machine fluid systems operation (statictest method) UDC 621.878/.879.004.17:551.4.037BS6911-8:1993 This British Standard, having been prepared under the directionof the Technical C
2、ommittee B/513, was publishedunder the authorityofthe StandardsBoardand comesintoeffect on 15 March 1993 BSI 10-1999 The following BSI references relate to the work on this standard: Committee reference B/513/1 Draft for comment 91/14128 DC ISBN 0 580 21634 9 Committees responsible for this British
3、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-moving machinery, upon which the following bodies were represented: British Coal Corporation Construction Plant (Hire Associ
4、ation) Federation of Civil Engineering Contractors Federation of Manufacturers of Construction Equipment and Cranes Health and Safety Executive Institution of Civil Engineers Silsoe Research Institute Amendments issued since publication Amd. No. Date CommentsBS6911-8:1993 BSI 10-1999 i Contents Page
5、 Committees responsible Inside front cover National foreword ii 1 Scope 1 2 Normative reference 1 3 Definitions 1 4 Test equipment 1 5 Measuring equipment and accuracy 1 6 Machine preparation 1 7 Slope capability 2 8 Criteria 2 9 Recording of test results 2 Annex A(normative) Model test report 3 Lis
6、t of references Inside back coverBS6911-8:1993 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 Determination of slo
7、pe 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 the active par
8、ticipation 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 obligations. Cross-
9、reference International Standard Corresponding British Standard ISO 6165:1987 BS 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 document comprises
10、a front cover, an inside front cover, pages i and ii, pages1 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.BS6911-8:1993 BSI 10-1999 1
11、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, power train, fuelsystem, oil system, etc.). It evaluates the performance parameters that limit the static slope capability
12、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 is the testing of complete fluid systems on a test bench. Ineither method, precautions are necessary to ensure safety. Thi
13、s International Standard applies to earth-moving machines as given in ISO 6165, with combinations of standard mounted attachments. 2 Normative reference The following standard contains provisions which, through reference in this text, constitute provisions of this International Standard. At the time
14、 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 investigate the possibility of applying the most recent edition of the standard indicated below. Members of IEC and ISO maintain r
15、egisters of currently valid International Standards. ISO 6165:1987, Earth-moving machinery Basic types Vocabulary. 3 Definitions For the purposes of this International Standard, the following definitions apply. 3.1 machine orientation position of the longitudinal axis of the machine (expressed in de
16、grees) 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 fluid temperature showing no more than 2 C change per minute during operation 3.3 fluid system(s) any system(s) that use(s) o
17、il 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 degrees, that the machine fluid system(s) can operate on without malfunction or damage to any fluid system, at all the machi
18、ne 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. oriented at0 and180 ) during the static slope evaluation without exceeding performance parameters 3.6 (machine) lateral s
19、tatic slope capability maximum slope, expressed in degrees, that the machine can achieve laterally (i.e. oriented at90 and270 ) during the static slope evaluation without exceeding performance parameters 4 Test equipment 4.1 Tilt platform or prepared slope surface that will position the machine at t
20、he 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 are reached. 4.3 Suitable instrumentation to monitor the pressures and temperatures in the fluid system(s) and also to monito
21、r 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 structures (ROPS) or where ROPS are available, should be so equipped for these tests. Where machines are not equipped with ROPS
22、, special safety precautions shall be taken. During the test, an operator shall occupy his working position on the machine. Parameter measured Accuracy Slope angle 2 % Pressure 2 % Temperature 1 C Engine speed 2 % of maximum Orientation angle 2BS6911-8:1993 2 BSI 10-1999 6.2 The slope tests shall be
23、 conducted with the fluid systems filled initially to the minimum levels 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) pressur
24、es to ensure that they are within the manufacturers specifications. 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 additio
25、nal orientations may be chosen. Secure the machine as necessary to 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 o
26、perating range specified by the manufacturer. 7.3 With the engine operating at maximum speed, record system(s) pressures and temperatures at5min intervals until all fluid system(s) have stabilized, or fallen outside of the manufacturers recommendations, or the following are noted: a) any system(s) p
27、ressure has dropped to less than 90 % of the pressure recorded in 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
28、 specified machine system(s) slope capability. 7.5 Repeat7.1 to 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 in7.3. 9 Recording of test results Summarize results in accordance with Annex A.
29、BS6911-8:1993 BSI 10-1999 3 Annex A (normative) Model test report4 blankBS6911-8:1993 BSI 10-1999 List of references See national foreword.BS6911-8: 1993 ISO10266: 1992 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body responsible for prepar
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