Is there an electronic version of the national standard helmet GB2811?

Give me your email address, I'll send you an electronic version, a lot of ** can't be copied.

1. Specifications for safety helmets.

1. Vertical spacing: measured according to the specified conditions, its value should be between 25-50mm.

2. Horizontal spacing: measured according to the provisions of the barbecue, its value should be between 5-20mm.

3. Wearing height: measured according to the specified conditions, its value should be between 80-90mm.

Second, the size of the hoop: divided into the following three numbers:

1. Size: 51 56cm

2. Medium: 57 60cm

3. Large: 61 64cm

4. Weight: The weight of a complete safety helmet should be reduced as much as possible and should not exceed 400g.

5. Brim size: minimum 10mm, maximum 35mm. The inclination of the brim should be 20°-60°.

6. Ventilation holes: ventilation holes can be set on both sides of the helmet.

7. Visor: minimum 10mm, maximum 55mm.

8. Color: The color of the helmet is generally light or eye-catching color, such as white, light yellow, etc.

Qualified quality safety helmet, in the case of high temperature, low temperature and immersion in water, with a 5kg steel hammer falling from a height of 1m for impact test, the maximum value of the impact force on the headform should not exceed 4900N (1n = 1kg·m s, even if a kilogram of mass of the object to obtain 1m s of acceleration required force); The test is carried out with a 3kg steel cone falling from a height of 1m, the steel cone should not be in contact with the headform, and the cap shell must not have fragments falling off.

According to the national standard, the safety helmet should meet the requirements of GB 2811-2007 "Safety Helmet", and the selection of safety helmet should meet the requirements of GB T 30041-2013 "Head Protection Safety Helmet Selection Specification".

National standard for safety helmets: 1. GB2811-2007 safety helmets: The standard stipulates the technical requirements, inspection rules and identification of occupational safety helmets.

It is suitable for helmets that are commonly used in work jams, and the additional special technical properties are only applicable to the corresponding special places. 2. GB T2812-2006 helmet test method: The standard stipulates the helmet test method, which is applicable to the technical requirements of the helmet and helmet specified in the national standard.

3. GB T30041-2013 Head Protection Safety Helmet Selection Specification: The standard stipulates the selection of safety helmets, the use and maintenance of safety helmets, and the scrapping of safety helmets. The standard applies to occupational safety helmets, but is not suitable for the selection and use of head protection equipment for sports, firefighting, motorcycle driving, etc.

4. LD T89-1996 Safety Technical Inspection Specification for Mine Safety Helmet Lamps in Use: The standard stipulates the safety technical requirements, inspection methods and inspection rules that must be met during the use of special mine safety helmet lamps powered by batteries (lead-acid batteries, alkaline batteries). It is suitable for carrying safety helmet lamps for mine search in use (including the battery and lighting part of the mining lamp, hereinafter referred to as the miner's lamp in use).

5. MT T160-1987 Dust filter air supply dust safety helmet General technical conditions: This standard is applicable to dust filter air supply dust safety helmets (hereinafter referred to as dust caps) worn by workers in dust environments to prevent pneumoconiosis hazards.

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Safety helmet is an important personal protective equipment in the industry and construction industry, its national standards are different according to the regulations and standards of different countries and regions, the following is a list of several code belt Sun national standards as a reference: 1Our country:

GB 2811-2007 "Safety Helmet" is the national standard for safety helmets in China, including the classification, requirements and testing methods of safety helmets. 2.United States:

The national standard for safety helmets in the United States is the ANSI ISEA Head Protection standard, which includes the design, manufacture, testing, and use of safety helmets. 3.Europe:

The national standards for European safety helmets are EN 397:2012+A1:2012 "Industrial Safety Helmets" and EN 14052:

2005+A1:2011 "Engineer Safety Helmet" two standards. The EN 397 standard applies to general industrial applications and the EN 14052 standard applies to construction, engineering and testing applications.

4.Canada: The national standard for Canadian safety helmets is CSA Individual Line Lead Protective Equipment:

Head Protective Equipment, which includes aspects such as the design, manufacture, use, and placement of hard hats. The above are some common national standards, different industries, different regions of the helmet standards are also different, I hope the above suggestions and answers can be helpful to you, if you have any other questions that need to be answered, welcome to ask again, I will be happy to continue to help you.

Summary. According to the latest national standard GB2811-2007, the quality of qualified safety helmet in high temperature, low temperature and immersion in three conditions, with 5kg steel hammer falling from a height of 1m for impact test, the maximum value of the impact force on the headform should not exceed 4900N (1N=1kg·m S 2; , even if an object with a mass of one kilogram gains 1 m s2; the force required for the acceleration); The test is carried out with a 3kg steel cone falling from a height of 1m, the steel cone should not be in contact with the headform, and the cap shell must not have fragments falling off.

According to the latest national standard liquid standard liquid standard GB2811-2007, the quality of the safety helmet in the case of high temperature, low temperature and immersion in water, with a 5kg steel hammer falling from a height of 1m for impact test, the maximum value of the impact force on the scalp buried mold should not exceed 4900N (1N=1kg·m S 2; , even if an object with a mass of one kilogram gains 1 m s2; the force required for the acceleration); Use 3kg steel cone to fall from a height of 1m for testing, the steel cone should not be in contact with the headform, and the cap shell should not have broken pieces of combustion and incense falling off.

The specifications of the safety helmet require vertical spacing: measured according to the specified conditions, and its value should be between 25-50mm. Horizontal spacing:

Measured under specified conditions, its value should be between 5-20mm. Wearing height: measured according to the specified conditions, its value should be between 80-90mm.

Size of the hoop: divided into the following three numbers: Trumpet:

51 56cm M: 57 60cm L: 61 Dig 64cm Weight:

A complete helmet, the weight should be as light as possible, should not exceed 400g. Brim size: minimum 10mm, maximum 35mm.

The inclination of the brim should be 20°-60°. Ventilation holes: Ventilation holes can be set on both sides of the helmet.

Visor: minimum 10mm, maximum 55mm. Color:

The color of the helmet is generally light or eye-catching color, such as white, light yellow, etc.

one, the spacing between the rock part of the helmet head and the top space of the helmet body Zheng Liang should be between 25 and 50mm.

2. Specifications for safety helmets:

1. Vertical spacing: measured according to the specified conditions, its value should be between 25-50mm.

2. Horizontal spacing: measured according to the specified conditions, its value should be between 5 and 20mm.

3. Wearing height: measured according to the standard search and mold conditions, and its value should be between 80 and 90mm.

4. Size of the hoop: divided into the following three numbers:

Size small: 51-56cm.

Collapse leak royal medium: 57-60cm.

Large: 61 64cm.