This standard applies to vaulting horses for gymnastics competitions and general practice. GB 8393-1987 Vaulting Horse GB8393-1987 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Vaulting horse
This standard applies to vaulting horses for gymnastics competition and general practice. Horse
This standard adopts the 1979 International Gymnastics Federation gymnastics equipment standard 1 Product classification
1.1 The types of vaulting horses are divided into the following according to their usage: a.
Competition vaulting horse;
General practice vaulting horse.
1.2 Basic size parameters shall conform to the requirements of Figure 1 and Table 1 O
Horse length L
Horse width B
Horse height h
Horse total height H
Lifting spacing
Basic size
Upper 350
Lower 300
1100～1500
Approved by the Ministry of Light Industry of the People's Republic of China on December 10, 1987 62
Limit deviation
UDC685.64
GB839387
Ordinary practice type
Basic size
1000～1350
Limit deviation
Implemented on June 1, 1988
1.3 The main raw materials shall conform to the requirements of Table 2. Part name
Horse body surface
Horse body interlayer
2 Technical requirementswww.bzxz.net
GB 8393-87
Cow leather or other materials with the same texture
Latex sponge or other materials with the same texture
The basic size parameters of the vaulting horse shall be as specified in Figure 1 and Table 1. 2.2
2 Technical indicators shall comply with the provisions of Table 3.
3 Test method
Indicator name
Smoothness
Softness and hardness
Compatibility
Corrosion resistance of electroplating layer
Surface quality
Competition type
Smooth landing, no warping
Horse body is consistent in hardness and softness, and feels comfortable; the whole body is evenly hooked and flat, and the inner and outer tubes are properly matched with tightness and looseness, and the movable parts are flexible to use. The corrosion resistance level is not less than level 7
a. The color of the leather surface is uniform and consistent, no knife wounds, irises, or injuries are allowed
Ordinary practice type
Artificial leather or other materials of the same texture
Felt or other materials
Ordinary practice type
The corrosion resistance level is not less than level 5
a, the color of the artificial leather is uniform, without injuries
b, the color of the spray paint or baking paint is uniform, without paint streaks or wrinkles"b, the color of the paint is uniform, without paint streaks and exposed shading and dirty spots
3.1 Specifications and dimensions are measured with a steel tape measure or a special ruler. 3.2 Stability: Place the vaulting horse on the base plane and push it with your hand without swaying or shaking. 3.3 The softness and hardness of the horse body are measured by hand feel.
3.4 ​​Compatibility and flexibility are measured by hand feel. 3.5 The corrosion resistance of the electroplating layer shall be tested for 24 hours in accordance with GB5938 "Neutral Salt Spray Test (NSS) Method for Corrosion Resistance of Metal Coatings and Chemically Treated Coatings of Light Industrial Products", and rated in accordance with GB5944 "Evaluation of Corrosion Test Results of Metal Coatings of Light Industrial Products". 3.6 The surface quality shall be inspected by visual inspection or by actual samples for comparison. Inspection rules
4.1 The inspection of batch products is divided into batch inspection and periodic inspection. 4.2 Batch inspection
4.2.1 Batch inspection shall be carried out in accordance with the one-time sampling plan of general inspection level II in GB2828 "Batch inspection counting sampling procedure and sampling table (applicable to inspection of continuous batches)".
4.2.2 The items and clauses of batch inspection, test method clauses and AQL values ​​shall be in accordance with the provisions of Table 4. 63
Specification and size
Smoothness
Hardness
Compatibility
Surface quality
4.3 Periodic inspection
Clause of this standard
GB8393-87
Test method clause
Competition type
Ordinary practice type
4.3.1 The samples for periodic inspection must be randomly selected from the samples that have passed the batch inspection and all of them must be inspected according to the batch inspection items. If unqualified products are found, they should be replaced with qualified products. 4.3.2 Periodic inspection shall be carried out every six months, and it shall also be carried out when the design, key process, main raw materials are changed or when production is resumed after stopping production for more than three months.
4.3.3 Periodic inspections shall be carried out in accordance with the sub-sampling scheme of discrimination level II and discrimination array (12) in GB2829 "Periodic Inspection Counting Sampling Procedure and Sampling Table (Applicable to the Inspection of Stability of Production Process)". 4.3.4 Periodic inspection items and clauses, test method clauses and their RQL values ​​shall be carried out in accordance with the provisions of Table 5. Table 5
Corrosion resistance of electroplating layer
5 Marking, packaging, transportation and storage
Clause of this standard
Test method clause
5.1 Marking: Products shall have trademarks, factory names, certificates of conformity, product manuals, and date of manufacture. 5.2 Packaging: Packaging materials shall be selected to protect products according to different conditions in different regions. Competition.
5.3 Transportation: Products shall not be exposed to rain, sun or moisture during transportation. They shall be handled with care and shall not be squeezed or collided. 5.4 Storage: The warehouse shall be ventilated and dry (products shall not be stored in the open air) and properly kept. Additional Notes:
Ordinary Practice Type
This standard was proposed by the Ministry of Light Industry of the People's Republic of China and is under the jurisdiction of the National Cultural and Sports Goods Standardization and Quality Inspection Center. This standard was drafted by Shanghai Cultural and Educational Goods Industry Research Institute, Tianjin Chunhe Sports Goods Factory, Shanghai Sports Equipment Factory No. 1, Guangzhou Dongfang Sports Equipment Factory, Beijing Sports Equipment Factory, and Chengdu Sports Equipment Factory.
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