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GB/T 25851.1-2010: Mobile cranes -- Experimental determination of crane performance -- Part 1: Tipping loads and radii
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| GB/T 25851.1-2010 | English | 214 |
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Mobile cranes -- Experimental determination of crane performance -- Part 1: Tipping loads and radii
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GB/T 25851.1-2010
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Basic data | Standard ID | GB/T 25851.1-2010 (GB/T25851.1-2010) | | Description (Translated English) | Mobile cranes -- Experimental determination of crane performance -- Part 1: Tipping loads and radii | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J80 | | Classification of International Standard | 53.020.20 | | Word Count Estimation | 11,139 | | Date of Issue | 1/10/2011 | | Date of Implementation | 6/1/2011 | | Quoted Standard | GB/T 6974.2 | | Adopted Standard | ISO 11662-1-1995, IDT | | Regulation (derived from) | Announcement of Newly Approved National Standards 2011 No. (No. 166 overall) 1 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Standard specifies when the load on the hook when the pulley, the largest mobile cranes test methods - Determination of balance. This test method is applicable to the carrying capacity of the static resistance against overturning established on the basis of the crane, but not for the carrying capacity is determined by the structural strength or by the performance of hoisting mechanism, luffing mechanism or telescopic crane agency restrictions. This Standard is applicable to all mobile cranes GB/T 6974. 2 definition. | GB/T 25851.1-2010: Mobile cranes -- Experimental determination of crane performance -- Part 1: Tipping loads and radii
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. Mobile cranes Experimental determination of crane performance Part 1. Tipping loads and radii
ICS 53.020.20
J80
National Standards of People's Republic of China
Test measures the performance of the mobile crane crane
Part 1. Tipping load and amplitude
Part 1. Tippingloadsandradi
(ISO 11662-1.1995, IDT)
Issued on. 2011-01-10
2011-06-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 25851 "test measures the performance of mobile cranes Crane" is divided into three parts.
--- Part 1. Tipping loads and amplitude;
--- Part 2. structural characteristics;
--- Part 3. Dynamic Properties.
This section GB/T 25851 Part 1.
This part identical with ISO 11662-1.1995 "test measures the mobile crane crane performance - Part 1. Tipping load
And magnitude "(in English).
This section is equivalent translation ISO 11662-1.1995.
For ease of use, this section made the following editorial changes.
a) "This part of ISO 11662" be replaced by "GB/T 25851 in this section";
b) Delete ISO 11662-1.1995 Foreword;
c) use a decimal point instead of a decimal comma ",". ",";
d) For ISO 11662-1.1995 and references cited international standards, has been used as identical with our standard replaces
Corresponding to international standards;
e) The "Annex A (informative) References" write directly to the "References."
This part is proposed by China Machinery Industry Federation.
This part of the National Standardization Technical Committee crane (SAC/TC227) centralized.
This section is drafted. XCMG Xuzhou Heavy Machinery Co., Ltd., Changsha Zoomlion Heavy Industry Science and Technology Development Co., Ltd.
The main drafters of this section. Chen Qi phase, single by sea, Liu Jinsong.
Introduction
GB/T 25851 specifies the test methods to be used to verify mobile cranes rated lifting capacity chart. Generally in the new
One-time tests on prototype models, and then on the basis of the test results on the chart of the rated capacity to make the necessary changes to comply with standard
Registration requirements.
Test measures the performance of the mobile crane crane
Part 1. Tipping load and amplitude
1 Scope
GB/T 25851 provisions of this part of the group when the load on the hook pulley, the largest mobile cranes measurement of balance
experiment method.
This test method is applicable to the carrying capacity of the crane in the establishment of the anti-static resistance to overturning the basis of, but not for carrying capacity by knot
The decision by the structural strength or performance of the hoisting mechanism, luffing mechanism or a telescopic mechanism limits the crane.
This section applies to GB/T 6974.2 defined all mobile cranes.
2 Normative references
The following documents contain provisions which, through reference GB/T 25851 in this section constitute provisions of this section. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this
section.
GB/T 6974.2 cranes Terminology - Part 2. Mobile cranes (GB/T 6974.2-2010, ISO 4306-2.1994,
IDT)
3 Terms and Definitions
The following terms and definitions apply to this section.
3.1
Equilibrium balancecondition
Crane under load state when its load overturning moment has its largest anti-overturning moment equal.
3.2
Rotary centerline axisofrotation
It was not contained on the train before the rotation around the vertical line through the center axis of the crane.
3.3
Load load
By a hook and pulley itself suspended its gravity on the weight of the crane is formed so out of balance forces.
3.4
Load amplitude radiusofload
Loaded from the front of the projector to the start of a measurement under load newcomer liter rope or pulley center distance of the magnitude of the support surface.
Principle 4
The method has been loaded is to first determine the size of a weight freely suspended on a crane hook pulley block, then increased dramatically until starting
Heavy machine loses stability. Or at a fixed amplitude, adding incremental weight until the crane lost stability.
In determining the capsizing rating test shall ensure that the tests are conducted on the stability of the minimum direction.
5 equipment
5.1 supporting surface. made of concrete or other solid material having a size sufficient to ensure that the test work unhindered.
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