1. People and vehicles include:
Flat alleys and cars. Inclined shaft people and vehicles.
The undulating roadway card rail passenger device for coal mine and the general rail passenger device for the undulating roadway for coal mine can also be implemented with reference to this article.
Second, the implementation of standards.
Pingxiang people and vehicles: MT389-2007
Inclined shaft person car: MT388-2007
3. Authentication mode.
Technical assessment + product inspection + factory review + post-certification supervision.
Fourth, the handling process.
Certification application - preliminary review and acceptance - technical review and product inspection - initial factory inspection - evaluation and approval of certification results - supervision after certification - certificate renewal.
5. Documents need to be prepared.
1.Application for Safety Mark of Mining Products.
2.License.
3.Self-assessment report.
4.Product technical documentation.
1) Drawings. Pingxiang people and vehicles: general drawing, main parts and components drawing.
Inclined shaft people and vehicles: group diagram, head car general diagram, trailer general diagram and main parts diagram.
2) List of main parts and raw materials.
3) Self-assessment report of the applicant and the applied product.
Sixth, the factory inspection project (flat lane people and vehicles).
1.Weld quality checks.
2.Paint quality checks.
3.Comfort factor check.
4.Dimensional inspection of people and vehicles.
5.The angle of rotation of the steering gear in the horizontal direction.
6.Wheel rotation flexibility check.
7.The amount of oscillation of the steering gear wheelset in the vertical direction.
8.Check the contact between the wheel of the steering gear and the rail surface.
9.Check the gap between the pillow seat next to the steering gear and the balance weight.
10.Traction height deviation from the center of the traction rod to the rail surface.
11.Symmetry between the center line of the traction tie rod and the underframe of the carriage.
12.Brake brake operation flexibility (for people and vehicles with brake brakes).
13.Braking and braking distance check (applicable to people and vehicles with brake brakes).
14.The clearance between the steering gear wheelset and the chassis.
15.Horizontal curve running test.
16.Carriage underframe geometric tolerance check.
17.Check the difference between the two sets of axles on both sides of the steering gear.
18.Wheelset rim distance limit deviation check.
19.Shock absorber spring check.
7. Factory review.
1.Judging basis.
1) "Special Requirements for Factory Review of Human Vehicle Products (Trial)".
2) "Factory Quality Assurance Capability Requirements" (ABGZ-MK-01-2017-01).
2.Conclusions.
If the factory review conclusion is A-level, the review is qualified.
If the factory assessment conclusion is B or C, the applicant shall rectify the non-conformities, and the rectification work must be completed within 90 days.
If the factory assessment conclusion is D grade or the rejected item is unqualified, the applicant shall complete the rectification as required within 90 days.
8. Coal security certificate inquiry.
Mine Safety Mark Certification
Application for coal safety certification of shuttle minecart (MA mark).
Mining high-strength circular chain and mining chain are handled with flat link coal safety certification (MA mark).
Application for coal safety certification of belt conveyor supporting products (rollers).
Submersible electric pump, submersible electric pump motor (external) coal safety certification, mine safety certification.
Application for coal safety certification (MA mark) for high and low voltage cable junction boxes and signal switches.