JB/T 11156-2020Tower cranes - Technical requirements for mechanisms (English PDF)
塔式起重机 机构技术条件
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
April 16, 2020
Implementation date
January 1, 2021
Scope
JB/T 11156-2020 is the English-translated version of 塔式起重机 机构技术条件.
Mechanisms of tower cranes are the subject of JB/T 11156-2020, a recommended Chinese machinery industry standard. The document sets out terms and definitions, technical requirements, test methods, inspection rules, rules for use and maintenance, and requirements for identification, packaging, transport and storage.
It applies to the electrically driven hoisting mechanism, luffing mechanism, travelling mechanism, slewing mechanism and hydraulic jacking device of tower cranes; self-erecting mechanisms and auxiliary mechanisms may be handled with reference to it.
The standard was issued in 2020 by the Ministry of Industry and Information Technology and came into force on 1 January 2021.
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Document preview — JB/T 11156-2020
National Standard of the People's Republic of China
- ICS
- 53.020
- Replacing
- JB/T 11156-2011
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Technical requirements
- 4.1 General
- 4.2 Construction
- 4.3 Appearance
- 4.4 Lubrication
- 4.5 Technical data supplied by the manufacturer
- 4.6 Hoisting mechanism
- 4.7 Luffing mechanism
- 4.8 Slewing mechanism
- 4.9 Travelling mechanism
- 4.10 Hydraulic climbing device
- 5 Test methods
- 5.1 Test methods for the hoisting, luffing, slewing and travelling mechanisms
- 5.2 Test of the hydraulic climbing device
- 5.3 Test report
- 6 Inspection rules
- 6.1 Category of inspection
- 6.2 Factory inspection
- 6.3 Type inspection
- 6.4 Sampling
- 6.5 Rules of judgement
- 7 Use and maintenance
- 8 Identification, packaging, transport and storage
- 8.1 Identification
- 8.2 Packaging
- 8.3 Transport and storage
- Figure 1 Fleet angle of the wire rope on a grooved drum
- Figure 2 Fleet angle of the wire rope on a plain drum and with multi-layer winding
- Figure 3 Diagram of the position of the noise measuring points
- Figure 4 Diagram of the load test rig
- Figure 5 Test rig of the slewing mechanism
- Table 1 Examples of the classification of the various mechanisms
What this standard covers
This standard specifies the terms and definitions, technical requirements, test methods, inspection rules, use and maintenance, identification, packaging, transportation and storage of tower crane mechanisms. This standard applies to the electric-driven hoisting mechanism, luffing mechanism, operating mechanism, slewing mechanism and hydraulic jacking device of tower cranes. The self-erecting mechanism and auxiliary mechanism of the tower crane can be implemented by reference.
Document data
International classification (ICS): 53.020.
Chinese classification (CCS): J80.
Estimated length of the Chinese original: 34,397 words.
3 Terms and definitions
4 Technical requirements
5 Test methods
6 Inspection rules
7 Use and maintenance
8 Identification, packaging, transport and storage
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 29 pages — is available in the English PDF.
Similar standards
Editions of JB/T 11156
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 11156-2020 | Tower cranes - Technical requirements for mechanisms | current edition | Current |
| JB/T 11156-2011 | Tower cranes - Technical requirements for mechanisms | previous edition | Superseded |
This page sells the current edition, JB/T 11156-2020. Earlier editions are listed for reference only.
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