Enterprises engaged in mining bucket products (including OEM mode) need to obtain coal safety and mine safety certification.
First, the bucket is divided into:
Standing well single-rope bucket.
Vertical well single-rope light bucket.
Tachii multi-rope bucket.
Inclined well bucket. Inclined well light bucket.
Standing well single rope flip bucket.
Second, the product implementation standards.
All six types of cineau are in accordance with the MT20-1990 standard.
3. Certification process.
Application Preliminary Examination and Acceptance Technical Review Product Inspection Factory Inspection Final Examination Safety Mark Issuance Post-certification supervision.
Fourth, the authentication mode.
Technical assessment + product inspection + factory review + post-certification supervision.
5. Certification conditions.
The applicant should be a legal entity and meet the following requirements:
1.The business license is within the validity period, and the products applied for are within the scope of business;
2.Have professional and technical personnel suitable for the application products;
3.Have a fixed place required for the production of the applied product;
4.Have quality management institutions and quality management system documents;
5.Have the ability to apply for the production and debugging of finished products;
6.Have the ability to apply for factory inspection of products.
Note: OEM method can also be applied.
6. Application materials.
1.Application.
2.License.
3.Self-assessment report.
1) The self-inspection or third-party inspection report of the application product to meet the requirements of this rule is mainly based on the standard requirements;
2) The self-assessment of the applicant's factory's quality assurance ability to meet the requirements of these rules.
4.Product technical documentation.
1) Product technical specifications.
Clarify the implementation of national and industry standards for products.
2) Drawings. Vertical shaft single-rope bucket and vertical shaft single-rope light bucket should provide general drawing, main tie rod diagram and pin drawing.
The vertical shaft multi-rope bucket should provide a general drawing, the connecting plate and the pin diagram of the main beam or suspension device.
Inclined well buckets and inclined shaft light buckets should provide general drawings, main tie rod drawings and pin drawings.
The vertical shaft single-rope flipping bucket should provide a general drawing, a main tie rod diagram, a pin shaft (provided without a fall arrester), and an unloading curved rail diagram.
3) List of main parts and raw materials.
4) Light metal friction spark inspection report.
A light metal bucket.
7. Sample inspection.
The applicant shall prepare inspection samples in accordance with the requirements of the "Specifications for Sampling of Bucket Products". Samples must be produced by the factory of this application, and samples shall not be borrowed, rented, or purchased for inspection.
8. Factory inspection items.
1.Inspection of suspension device product certificate.
2.Ultrasonic flaw detection of the main connecting rod and the upper and lower connecting pins.
3.Appearance quality check.
4.Geometric dimension check.
5.Gate flexibility and reliability checks.
6.Empty bucket balance check.
7.Light metal material certificate inspection.
8.Inspection of steel and aluminum lap joints.
8. Factory review basis.
1."Special Requirements for Factory Review of Bucket Products".
2."Factory Quality Assurance Capability Requirements".
9. Certification cycle.
4-6 months.
10. Coal safety certificate inquiry.
Coal Safety Certification
Tank cage coal safety certification and mine safety certification.
Mining winch (dispatching winch, return column winch, sinking winch) coal safety certification, mine safety certification.
Application for coal safety certification (MA certification) and mine safety certification (KA certification) for flat lane people and vehicles, inclined shaft people and vehicles.
Application for coal safety certification (MA mark) for high and low voltage cable junction boxes and signal switches.
Coal safety certification (MA mark certification) for high-voltage chain static var generator.