Question 2: What does the circle marked with numbers on the helmet mean to indicate the year of production? Generally, the state stipulates that helmets should be scrapped in 36 months.
Question 3: How much is a three-digit "safety helmet"? 100
Question 4: Do the inspection helmets, safety nets, safety belts, steel pipes and fasteners smell of nutmeg respectively?
That's a candy manufacturer,
There is a pleasant smell of medicine-
Farmers are plowing the land, haha.
Hotan, wilderness and grassland
Fresh and fragrant
Question 5: How to classify helmets? How to classify helmets?
4. 1 Each helmet shall have the following three permanent marks:
A. the name, trademark and model of the manufacturer;
B. year of manufacture;
C. license plate number.
4.2 Other safety helmets shall be marked on the hat according to the following provisions:
A the safety helmet meeting the requirements of 3.2. 1 low temperature resistance shall be marked with low temperature, such as "-20℃" and "-30℃";
B. For the safety helmet meeting the requirements of 3.2.2, mark "R" on the safety helmet;
C mark "d" on the safety helmet that meets the requirements of 3.2.3 electrical insulation performance;
D mark "CG" on the safety helmet that meets the requirements of 3.2.4 lateral stiffness.
There are many kinds of safety helmets; The distinction between good and bad is mainly to look at; Material, weight and color.
A. The safety helmet with small edge curling shall not exceed 430g (excluding accessories);
B. The large edge of the safety brim shall not exceed 460g (excluding accessories);
C the winter hat shall not exceed 690g (excluding accessories).
The quality of safety helmet mainly depends on the material: ABS, mainly with better impact resistance and smash resistance; PE material; Good flexibility and high temperature resistance; Pp material is mainly cold-resistant; Choose helmets of different materials according to the working environment of tools;
The factory that produces safety helmets must pass the inspection by the inspection department designated by the state and obtain the production license before they can be produced and sold. 10.2 helmets are sampled in batches of 2000-20000, and those less than 2000 are still counted as a batch.
10.3 when the factory conducts sampling inspection according to the classification number, one item is unqualified, and the sampling inspection should be doubled. If it is still unqualified, the batch of products is unqualified.
10.4 when the factory applies for testing, it only issues the testing certificate of the classification number according to the actual performance.
10.5 when the national inspection department samples the ex-factory products, provincial and municipal inspection departments or factory representatives should participate. When the product quality declines, the national inspection department should guide the factory to improve the product quality, and have the right to criticize, warn and inform the factory that does not produce according to the standard and the product quality declines. If the circumstances are serious, it is suggested that the issuing department revoke its production license.
There is a difference between weight and color. The heavier the weight, the better. If the color is bright, there can be no noise in the light, and the color can be uniform.
Question 6: The role of the helmet is that once a falling object falls on the top of the head at the construction site, the working performance of the falling object will be adjusted according to the circular shape of the hat.