GB14784-2013
Safety regulations of belt conveyor
带式输送机 安全规范
GB 14784-2013 is a current mandatory Chinese national standard for Safety regulations of belt conveyor. It appears in the Electronics compliance cluster with a product safety focus and has an implementation date of Jul 1, 2014.
Applicability depends on product scope, certification route, competent authority notices and transition rules. Requst for the translation or verify source before using this record in a compliance decision.
Compliance overview
Scope and applicability
This standard specifies the safety requirements for the design, manufacturing, installation, operation, and maintenance of fixed belt conveyors used for transporting bulk materials and unit goods. It is mandatory for manufacturers and operators of these conveyor systems in China. The standard explicitly excludes belt conveyors used in underground coal mines, those in direct contact with food or pharmaceuticals, and passenger conveyors. For conveyors handling flammable, explosive, toxic, or radioactive materials, additional specific standards apply alongside this one.
Technical requirements
The standard outlines comprehensive safety protocols categorized into design/manufacturing, installation, and use/maintenance phases. During the design and manufacturing stage, it defines critical pinch point zones at the head, tail, tensioning, and belt redirecting sections. Manufacturers must implement specific protective measures such as guard plates and anti-pinch wedges for rollers and pulleys. Requirements for protective devices are detailed, including specifications for guards on drums, idlers, tensioning devices, and drive units. The standard mandates specific safety distances and structural integrity for guards, referencing GB 23821-2009 for safety distances. Protective plates must withstand a static load of 1500N without permanent deformation exceeding 1%. The standard also mandates the installation of various safety protection devices. These include brakes or backstops for inclined conveyors, belt deviation alarms, slip detection devices, and emergency stop pull cord switches along the entire length of the walkway. Manufacturers must provide a detailed product operation and maintenance manual including all safety warnings.
Testing methods
Testing and evaluation primarily involve dimensional checks of safety distances to hazard zones and structural load testing for protective plates. The standard references GB 23821-2009 for determining the safety distances to prevent upper and lower limbs from reaching danger zones. Additionally, it specifies a load test where a guard plate must withstand a 1500N static pressure on a 0.2m x 0.2m area to verify its structural integrity.
FAQs
What products are regulated under GB 14784-2013?
GB 14784-2013 regulates fixed belt conveyors used for transporting bulk materials and unit goods. It does not apply to underground coal mine conveyors, food/pharmaceutical contact conveyors, or passenger conveyors.
Is GB 14784-2013 a mandatory standard?
Yes, specific clauses within the standard (such as 4.1.1, 4.1.2, 4.1.3, etc.) are mandatory, while others are recommended. Compliance is legally required for market access in China for the applicable conveyor types.
What are the key updates from the previous GB/T 14784-1993 version?
The 2013 version updated the scope, restructured the safety regulations into design, installation, and use phases, and added new requirements for anti-pinch wedges, specific idler protections, and emergency stop switches.
The summary above provides a high-level overview of GB 14784-2013. To ensure complete compliance for your belt conveyor products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 14784-2013 today to access all detailed parameters, tables, and testing procedures.
Applicability hints
- Type
- Safety
- CCS
- J81
- ICS
- 53.040.01
- Competent department
- Ministry of Industry and Information Technology
- Technical committee
- Ministry of Industry and Information Technology
Relationships
Replaces:GB/T 14784-1993