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GB 5226.6-2014Electrical safety of machinery-Electrical equipment of machines-Part 6: Requirements for construction machinery (English PDF)

机械电气安全机械电气设备第6部分：建设机械技术条件

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China

Level / Type

National · Mandatory

Issue date

May 6, 2014

Implementation date

June 29, 2015

Scope

GB 5226.6-2014 is the English-translated version of 机械电气安全机械电气设备第6部分：建设机械技术条件.

GB 5226.6-2014 is the Chinese national standard on electrical safety of machinery-electrical equipment of machines-part 6: requirements for construction machinery, in the field of electrical engineering. It carries no /T suffix, which in the Chinese system means compliance is mandatory: a product or a practice within its scope has to meet it to be lawfully made, sold or carried out in China. It was issued on 6 May 2014 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China, and has been in force since 29 June 2015. Classification: ICS 29.020, CCS J09. This page is published from the official record of the standard held by the Chinese standards administration: the identification, the dates, the classification and the issuing body are taken from there. The clause text, the tables and the numeric limits are in the document itself, which is delivered complete in English translation.

Document preview — GB 5226.6-2014

National Standard of the People's Republic of China

ICS: 29.020
Classification: J09

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China

1 Scope
2 Normative references
3 Terms and Definitions
4 Road Electrical disturbance component test methods - Part
4.1 GB 5226.1-2008. Select
4.2 Electrical equipment
4.4.4 Humidity GB 5226.1-2008
4.4.5 Altitude GB 5226.1-2008
4.4.6 Pollution GB 5226.1-2008
5.3 Power off (isolation) switch
5.3.3 Technical Requirements GB 5226.1-2008
5.5 Disconnect electrical equipment devices GB 5226.1-2008
6 Protection against electric shock
7 Protection of electrical equipment
8 Equipotential bonding
9 Control circuits and control functions
9.2 Control Function
9.2.5 Operation
10 Keypad and control devices installed on the construction machine 13 11 control. the location, installation and electrical cabinets 15 12 wires and cables 15
15 Wiring technology 14 motors and associated equipment 16
17 Accessories and lighting 16 marks, warning signs and reference designations
27 References

Foreword

This part of Chapter 1, Chapter 2, Section 3, Chapter 4, Chapter 7, Chapter 12, Chapter 13, Chapter 17, Chapter 18 are recommended, The rest is mandatory. GB 5226 "Safety of machinery - Electrical machinery and electrical equipment" is divided into six parts.

--- Part 1. General requirements;

--- Part 6. construction machinery and technical conditions;

--- Part 11. voltage is higher than 1000Va.c or 1500Vd.c but not exceeding 36kV high-voltage equipment and technical conditions; and.

--- Part 31. Particular safety sewing machines, sewing units and systems and EMC requirements;

--- Part 32. Hoisting Machinery General technical requirements;

--- Part 33. Particular requirements for equipment for semiconductors. This is Part 6 GB 5226's. This part is proposed by China Machinery Industry Federation. The electrical system in part by the National Machinery Industry Standardization Technical Committee (SAC/TC231) centralized. This section is responsible for drafting unit. Zoomlion Company Limited, Beijing Machine Tool Research Institute, long Shahai Chuan Automation Equipment Co., Ltd. Participated in the drafting of this section. Sunward Equipment Co., Ltd., Shanghai East China Construction Machinery Co., Ltd., Shandong Province set radius Group Co., Ltd., Beijing Kay to Technology Development Co., Ltd., Shanghai Pal-Fin Automatic Control Technology Co., Ltd., Shenzhen City, measuring Detection Technology Art Co., Ltd., Shanghai Science and Technology Co., Ltd. Ming Shi mine. The main drafters of this section. Zeng Yang, Huang Zu Guang, Xie Changyu, in Xiaoying, Ni Jianjun, Zhang Daqing, Fang Liping, Yu-Min Jiao, Diao Chun and, Liu Huafu, Zhu Ping, Zhao Jian, Zhang Qian, Yao Jin.

This part of GB 5226.1-2008 "Mechanical Electrical Safety of machinery - Electrical equipment - Part 1. General technical conditions" used in conjunction. Figure

1 Typical construction machinery and associated equipment is a block diagram that illustrates all aspects of electrical equipment covered in this section. Figure 1 helps Understand the relationship between various aspects of a construction machinery and related devices. Digital-oriented part of the reg number in parentheses. Electrical equipment block diagram of a typical construction machinery involved Mechanical and electrical machinery and electrical equipment safety Part 6. Construction Machinery Technology Condition

1 Scope

GB 5226 this part of the special safety requirements for electrical and electronic equipment and systems applicable to the construction machinery (including a set of mechanical work) of.

Note 1. Construction machinery refers to the construction and town construction machinery and equipment. This section relates to the mechanical construction example in Appendix C.

Note 2. The section "Electrical" includes electrical, electronic and programmable electronic three aspects (such as electrical equipment means electrical equipment, electronic devices and programmable Sequence electronic equipment).

Note 3. For purposes of this section, "person" (person) The term refers to any individual, including those assigned to the user or his agent, use and management of the above-mentioned mechanical man. This section applies to the electrical equipment or parts of electrical equipment with a nominal voltage not exceeding 1000Va.c. Or 1500Vd.c., Rated frequency Not more than 200Hz.

Note 4. For high voltage requirements, see GB 5226.3. This section does not specify the following additional construction machinery and electrical equipment and special technical requirements.

--- Use, handling or production of explosive materials (such as paint or sawdust) machinery;

--- Machinery flammable explosive used in the environment;

--- When the processing or use of certain materials will have a special risk of machinery.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document.

GB 755 rotary motor fixed and performance

GB/T 1251.1-2008 Ergonomics public places and work areas - Auditory danger signal danger signal

GB/T 3805-2008 extra low voltage (ELV) limits

GB 5226.1-2008 Safety of machinery - Electrical machinery and electrical equipment - Part 1. General requirements

GB/T 11918-2001 industrial plug and socket couplers - Part 1. General requirements

GB/T 12668.1-2002 Adjustable speed electrical power drive systems - Part 1. General requirements for low-voltage DC speed electric drive systems Rating specifications

GB 14048.1-2012 Low-voltage switchgear and control equipment - Part 1. General

GB 14048.2-2008 Low-voltage switchgear and control equipment Part 2. Circuit Breaker

GB 14048.3-2008 Low-voltage switchgear and control equipment - Part 3. Switches, disconnectors, switch and fuse combination

GB 14048.4-2010 Low-voltage switchgear and control equipment - Part 4-1. Contactors and motor starters electromechanical contact Contactors and motor starters (with motor protection)

GB/T 14048.5-2008 Low-voltage switchgear and control equipment Part 5-1. Control circuit devices and switching element Electromechanical Control circuit devices

GB/T 14048.7-2006 Low-voltage switchgear and control equipment - Part 7-1. Ancillary equipment - Terminal blocks for copper conductors

GB/T 15706-2012 Safety of machinery - General principles for design risk assessment and risk reduced Position of the operation member and the requirements of the operation.

3 Terms and Definitions

GB 5226.1-2008 defined and the following terms and definitions apply to this document.

3.1 Lightning electromagnetic pulse lightningelectromagneticimpulse; LEMP Electromagnetic effects of lightning current. [GB/T 21714.4-2008,3.4]

Note. It includes the conduction and radiation surge pulsed electromagnetic field radiation.

3.2 Surge protectors surgeprotectivedevice; SPD For limiting transient over-voltage and surge current shunt device comprising at least one non-linear element.

4 Road Electrical disturbance component test methods - Part

4 Vehicle narrowband radiated electromagnetic energy. a large current injection Into [Roadvehicles-Componenttestmethodsforelectricaldisturbancesfromnarrowbandradiatedelec- tromagneticenergy-Part 4. Bulkcurrentinjection (BCI)] ISO 11452-

5 Road vehicles narrowband radiated electromagnetic energy Electrical disturbance component test methods - Part 5. stripline (Roadvehicles-Componenttestmethodsforelectricaldisturbancesfromnarrowbandradiatedelec- tromagneticenergy-Part 5. Stripline)

ISO 12603.2010 Building construction machinery and equipment Classification (Buildingconstructionmachineryandequipment- Classification)

4.2 Electrical equipment

4.2.1 Overview Shall comply with the provisions in GB 5226.1-2008 4.2.1.

4.2.2 comply with GB 7251 series of standards for electrical equipment Shall comply with the provisions in GB 5226.1-2008 4.2.2.

4.2.3 Power contactor selection Contactor with auxiliary short-circuit protection device should be in accordance with the provisions of

7.2.5 in GB 14048.4-2010 select "2" type of coordination. Initiated by the safety control circuit to complete the movement of the drive means to stop the function of the contactor, the following methods shall be selected and other equipment Coordination configuration to ensure that contact does not occur even if the contact adhesion or blocking phenomenon does not affect the emergency stop function. May adopt supply-side construction Yee (see 7.2.9).

4.3 Power Shall comply with the provisions in

4.3 of GB 5226.1-2008.

4.4 physical environment and operating conditions

4.4.1 Overview Electrical equipment should be adapted for use in the physical environment and operating conditions specified in 4.4.2 ~ 4.4.8. When the physical environment and operating conditions beyond When the specified range, should be between a supplier and a user agreement (see GB 5226.1-2008 Appendix B).

4.4.2 Electromagnetic compatibility (EMC) Shall comply with the provisions of GB 5226.1-2008

4.4.2 for internal power supply unit with the construction of machinery and equipment, should be consistent GB/T 28554-2012 proposed emission limits and immunity requirements, see Appendix A.

4.4.3 ambient air temperature Electrical equipment should be able to work within the expected ambient air temperature range -20 °C ~ 55 °C. For special working conditions by Equipment manufacturers and equipment users mutually agreed temperature range (see GB 5226.1-2008 Appendix B).

4.4.4 Humidity GB 5226.1-2008

4.4.4 shall comply with the provisions.

4.4.5 Altitude GB 5226.1-2008

4.4.5 shall comply with the provisions.

4.4.6 Pollution GB 5226.1-2008

4.4.6 shall comply with the provisions.

4.4.7 ionic and non-ionic radiation Shall comply with the provisions in GB 5226.1-2008 4.4.7.

4.4.8 vibration, shock and collision Shall comply with the provisions of GB 5226.1-2008 in 4.4.8.

4.5 Transport and Storage Electrical equipment should be by design or take appropriate precautions to protect can survive at -30 °C ~ 65 °C temperature range Transport and storage inside, and can withstand temperatures up to 75 °C, no more than short-term transportation and storage 24h. Should be taken to moisture, vibration and The impact of measures to avoid damage to electrical equipment. The supplier and the user may need to reach a special agreement (see GB 5226.1-2008 Appendix B).

Note. at low temperatures easily damaged electrical equipment including PVC insulated cables, the liquid crystal display device.

4.6 handling equipment Shall comply with the provisions of

4.6 in GB 5226.1-2008.

4.7 Installation Shall comply with the provisions in

4.7 of GB 5226.1-2008. 5 introduces the power cable terminations and cut-off switch

5.1 introducing power line termination method

5.1.1 General requirements Electrical equipment should be connected to a single power source, if necessary, other parts of the power supply (such as different operating voltages of electronic devices), should do The composition may be taken from the equipment devices (such as transformers, transducers, etc.). For large, complex or in a synergistic manner and takes up more space in the machine Mechanical, it can be used to introduce one or more of the power supply is determined by the site configuration form (see 5.3.1). It recommends that the power cord is connected directly to the power switch off power supply terminal, using plug/receptacle directly connected to the Power mode except [see 5.3.2f)].

5.1.2 neutral connection Midline clarity when using the device technical documentation (such as installation drawings and circuit diagrams), and provide a single midline cope with insulated terminals (see GB 5226.1-2008 Appendix B). Between the electrical equipment inside the neutral and protective bonding circuit should not be connected, nor should be used along with the use of PEN Terminals. Exceptions. TN-C power system to the point of connection of electrical equipment, neutral terminal and the PE terminal can be connected.

5.2 Connecting external protective earthing system terminal Shall comply with the provisions of

5.2 GB 5226.1-2008.

5.3 Power off (isolation) switch

5.3.1 Overview Shall comply with the provisions in GB 5226.1-2008 5.3.1.

5.3.2 Type Power cut off switch should be one of the following types.

a) comply with GB 14048.3-2008 disconnectors, utilization category AC-23B or DC-23B;

b) in line with GB 14048.3-2008 isolator, isolator with auxiliary contacts, auxiliary contacts in any case have to make switching device Members before the main contact is opened to interrupt the load circuit;

c) in line with GB 14048.2-2008 insulated circuit breakers;

d) any product in accordance with IEC standards and GB 14048.1-2012 meet isolation requirements, and is defined in the product standard as appropriate Motor load switches or inductive load applications other categories of electrical switches;

e) through a flexible cable power plug/socket combination;

f) vehicle battery power switch should meet the QC/T 427-2013 requirements of.

5.3.3 Technical Requirements GB 5226.1-2008

5.3.3 shall comply with the provisions.

5.3.4 operating device Power off operation of the switch means (such as a handle) should be easily accessible, easy to operate. NOTE. GB 18209.3 gives the operator the required direction.

5.3.5 Exception circuit The following circuit does not have to switch off after power cut.

--- Necessary lighting circuits;

--- Supply servicing tools and equipment (such as hand drills, test equipment) dedicated connection plug/socket circuits;

--- Only for a power failure when automatic tripping of the undervoltage protection circuit;

--- To meet the operational requirements should be kept powered device power circuit (such as temperature control measuring devices, processing the product is heated , A program storage device);

--- Interlocking control circuit;

--- Safety instructions (as shown high LED) device power supply circuit. But it is recommended to cut off the circuit with their own switch. This is not through the power cutoff switch off the circuit should meet the following requirements.

--- Off switch near the power complying with the requirements of

16.1 GB 5226.1-2008 permanent warning signs;

--- The corresponding instructions in the maintenance manual, and should provide one or more of the following. - complying with the requirements of

16.1 GB 5226.1-2008 permanent warning signs in the vicinity of each exception circuit; or - make exceptions circuit isolated from other circuits; - When the color-coded wires, should comply with the provisions of GB 5226.1-2008 in 13.2.4.

5.4 to prevent accidental starting off device GB 5226.1-2008

5.5 Disconnect electrical equipment devices GB 5226.1-2008

5.3.3 shall comply with the provisions.

5.6 pairs of protection without permission, negligence and wrong connection Shall comply with the provisions of

5.6 GB 5226.1-2008.

6 Protection against electric shock

Shall comply with GB 5226.1-2008 in Chapter 6.

7 Protection of electrical equipment

7.1 Overview Shall comply with the provisions of

7.1 GB 5226.1-2008.

7.2 overcurrent protection

7.2.1 Overview Construction machinery current in the circuit, such as the current carrying capacity will exceed the rating or wire elements, the following shall be described through the current configuration protection. Rating or entire use value, see 7.2.10.

7.2.2 Power Cord Shall comply with the provisions in GB 5226.1-2008 7.2.2.

7.2.3 Power circuit Shall comply with the provisions of GB 5226.1-2008 7.2.3.

7.2.4 control circuit Shall comply with the provisions in GB 5226.1-2008 7.2.4.

7.2.5 and its associated socket wire Shall comply with the provisions in GB 5226.1-2008 7.2.5.

7.2.6 lighting circuits Shall comply with the provisions of

7.2.6 in GB 5226.1-2008.

7.2.7 Transformer Shall comply with the provisions of

7.2.7 in GB 5226.1-2008.

7.2.8 Setting the overcurrent protection device Except for over-current protection devices should be installed in a protected power supply wire is introduced at the meet the occasion of the following conditions should be used to install wire Reducing the possibility of short-circuit means (for example a protective wire enclosure or channel).

--- Support line load-carrying capacity of not less than the required capacity;

8 Equipotential bonding

Shall comply with GB 5226.1-2008 in Chapter 8.

9 Control circuits and control functions

9.1 control circuit Shall comply with the provisions in

9.1 of GB 5226.1-2008.

9.2 Control Function

9.2.1 Start function Shall comply with the provisions in GB 5226.1-2008 9.2.1.

9.2.2 Stop function Shall comply with the provisions in GB 5226.1-2008 9.2.2.

9.2.3 works Shall comply with the provisions in GB 5226.1-2008 9.2.3. Pause

9.2.4 security features and/or security measures Shall comply with the provisions in GB 5226.1-2008 9.2.4.

9.2.5 Operation

9.2.5.1 Overview Shall comply with the provisions in

9.2.5.1 of GB 5226.1-2008.

9.2.5.2 Start Shall comply with the provisions in

9.2.5.2 of GB 5226.1-2008.

9.2.5.3 Stop Shall comply with the provisions in

9.2.5.3 of GB 5226.1-2008.

9.2.5.4 emergency operation (emergency stop, emergency off) Shall comply with the provisions in

9.2.5.4 of GB 5226.1-2008.

9.2.5.5 Command Action Monitoring When construction machinery or construction machinery parts movement or action may lead to dangerous situations, which should be monitored movement or action, such as overtravel limit System, motor overspeed detection, building mechanical overload detection or anti-collision devices and other devices. Recommendations if necessary, use the information to monitor recorder, etc. Important process control data to be recorded (see GB 5226.1-2008 Appendix B).

9.2.6 Other control functions Shall comply with the provisions of

9.2.6 in GB 5226.1-2008.

9.2.7 wireless control and data transmission

9.2.7.1 Overview This section describes the construction machine control systems and other systems in the use of wireless technologies (such as radio, infrared, mobile communications networks, etc.) (eg Operating station, monitoring center, etc.) the ability to transfer between the command and control signals.

Note. These applications and system integrity also applies to cable (coaxial cable, twisted pair, fiber optic cable), the use of the control function of serial data communication technology. It should provide the means (such as an operation key switch, access code) to prevent the unauthorized use of the operating station. Each operating station shall be equipped with a clear indication of its control machinery.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 32 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 3805-2008Extra-low voltage(ELV) - Limit values

GB 755 · GB/T 1251.1-2008 · GB 5226.1-2008 · GB/T 11918-2001 · GB/T 12668.1-2002 · GB 14048.1-2012 · GB 14048.2-2008 · GB 14048.3-2008 · GB 14048.4-2010 · GB/T 14048.5-2008 · GB/T 14048.7-2006 · GB/T 15706-2012 · GB 18209.3 · GB/T 21437.1-2008 · GB/T 21437.2-2008 · GB/T 21714.4-2008 · GB/T 28554-2012 · GB 50057-2010 · GB 50343-2012 · JB/T 8437 · QC/T 427-2013 · ISO 10605 · ISO 11451 · ISO 11452

Cited by

GB 46038-2025Electrical equipment and system of industrial machines - Safety requirements

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Editions of GB 5226.6

Edition	Title	Revision	Status
GB 5226.6-2014	Electrical safety of machinery-Electrical equipment of machines-Part 6: Requirements for construction machinery	current edition	Current

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