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GB 13057-2014 English PDF (GB13057-2014)

GB 13057-2014 English PDF (GB13057-2014)

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GB 13057-2014: The strength of the seats and their anchorages of passenger vehicles

This Standard specified the requirements and test methods for the strength of the seats and their anchorage of passenger vehicles. This Standard applies to forward-facing passenger seats in vehicles of class II, III and B, categories M2 and M3, as well as the anchorage of all passenger seats of such categories of passenger vehicles and the installation of their seats. It also applies to the restraining barriers and their vehicle anchorages installed in front of seats in such categories of passenger vehicles.
GB 13057-2014
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 43.080.20
T 42
Replacing GB 13057-2003
Strength of the Seats and
Their Anchorage of Passenger Vehicles
ISSUED ON. OCTOBER 10, 2014
IMPLEMENTED ON. JULY 1, 2015
Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3
1 Application Scope ... 5
2 Normative References ... 5
3 Terms and Definitions ... 5
4 Requirements... 8
4.1 Seat requirements ... 8
4.2 Requirements for vehicle anchorages ... 9
4.3 Requirements for seat installation ... 9
5 Test Methods ... 10
5.1 Dynamic test for the seats and their anchorages ... 10
5.2 Vehicle Anchorage Test ... 13
6 Requirements for the Transitional Period of Standard Implementation ... 13 Annex A (Normative) Measurement of Trolley and Manikin ... 14
Annex B (Normative) Determination of Acceptability Criteria ... 15
Annex C (Informative) Changes in the Structure of This Standard Compared with ECE R80 (Revision 1) ... 16
Annex D (Informative) Technical Differences between This Standard and
ECE R80 (Revision 1) and Their Reasons ... 17
Foreword
Article 4 and Article 5 of this Standard are compulsory; the others are voluntary. This Standard was drafted in accordance with the rules given in GB/T 1.1-2009. This Standard replaces GB 13057-2003, The Strength of the Seats and Their Anchorages of Passenger Vehicles.
Compared with GB 13057-2003, the major technical differences of this Standard are as follows, in addition to editorial changes.
-- it changes the application scope of the standard (from ?€?seats?€? to ?€?passenger seats?€?, and adds the content that ?€?it also applies to the restraining barriers and their vehicle anchorages installed in front of seats in such categories of passenger vehicles?€?) (See Article 1);
-- it changes part of normative references (See Article 2);
-- it adds the terms and definitions of ?€?forward-facing seat?€?, ?€?anchorage?€? and ?€?restraining barrier?€? (See 3.2, 3.6, 3.14);
-- it deletes ?€?requirements for static test?€? (See 4.1.2 of edition 2003) and ?€?static test for the seat?€? (See 5.1 of edition 2003).
This Standard was redrafted by modifying and adopting ECE R80, Uniform Provisions Concerning the Approval of Seats of Large Passenger Vehicles and of These Vehicles with Regard to the Strength of the Seats and Their Anchorages (Revision 1), English version.
Compared with ECE R80 (Revision 1), this Standard has many adjustments in structure. Annex C gives the table comparing the specific article numbers of this Standard with those of ECE R80 (Revision 1).
Compared with ECE R80 (Revision 1), the major technical difference of this Standard is that it specifies that each type of seats shall satisfy the requirements for dynamic test. The articles concerning these technical differences are marked with vertical single lines in the page margin. Annex D gives the list of technical differences and their reasons.
This Standard was proposed by the Ministry of Industry and Information Technology of the PEOPLE Republic of China.
This Standard shall be under the jurisdiction of the National Technical Committee of Auto Standardization (SAC/TC114).
The drafting organizations of this Standard. China Highway Vehicle and Machinery Co., Ltd., National Passenger Vehicle Quality Supervision and Test Centre, Danyang Strength of the Seats and
Their Anchorage of Passenger Vehicles
1 Application Scope
This Standard specified the requirements and test methods for the strength of the seats and their anchorage of passenger vehicles.
This Standard applies to forward-facing passenger seats in vehicles of class II, III and B, categories M2 and M3, as well as the anchorage of all passenger seats of such categories of passenger vehicles and the installation of their seats. It also applies to the restraining barriers and their vehicle anchorages installed in front of seats in such categories of passenger vehicles.
This Standard does not apply to back-facing seats, side-facing seats and foldable seats, as well as driver seats.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition dated applies to this document. For undated references, the latest edition of the referenced documents (including all amendments) applies to this Standard.
GB 11552-2009, The Interior Fittings of Passenger Car
GB 14166, Safety-belts, Restraint Systems, Child Restraint Systems and ISOFIX Child Restraint Systems for Occupants of Power-driven Vehicles
GB 14167, Safety-belt Anchorages, ISOFIX Anchorages Systems and ISOFIX Top Tether Anchorages for Vehicles
GB 24406-2012, The Strength of Student Seat Systems and Their Anchorages of Special School Bus
ISO 6487, Road Vehicles ?€? Measurement Techniques in Impact Tests ?€?
Instrumentation
3 Terms and Definitions
For the purposes of this document, the following terms and definitions and those defined in GB 24406-2012 apply.
3.1
seat type
a category of seats which do not differ essentially with respect to the following characteristics likely to affect their strength and nociceptive.
a) Structure, shape, dimensions and materials of the load bearing parts; b) Types and dimensions of the seat back adjustment and locking system; c) Dimensions, structure and materials of the attachments and supports (e.g. legs); 3.2
forward-facing seat
a structure likely to be anchored forwards to form an included angle -10?? ~ + 10?? between the seat parallel vertical plane and the vehicle heading direction. 3.3
adjustment system
the device by which the seat or its parts can be adjusted to a position suited to the seated occupant.
3.4
displacement system
a device enabling the seat or one of its parts to be displaced laterally or longitudinally without a fixed intermediate position of the seat or one of its parts, to facilitate access by passengers.
3.5
locking system
a device ensuring that the seat and its parts are maintained in the position of use. 3.6
anchorage
a part of the floor or of the body of a vehicle to which a seat may be fixed. 3.7
All fittings forming part of the back of the seat or accessories thereto shall be such as to be unlikely to cause any bodily injury to a passenger during impact. The requirements for fittings and accessories are as follows.
a) Any part contactable by a sphere 165 mm in diameter presents a radius of curvature of at least 5 mm. If any part of the fittings and accessories referred to above is made of a material of hardness less than 50 shore A on a rigid backing, then the requirements set out in this article shall apply only to the rigid backing. b) The parts of the back of the seat such as adjustment devices for the seat AND accessories, situated below a horizontal plane that is 400 mm above the reference plane, can be exempted from the requirements of this article. 4.2 Requirements for vehicle anchorages
4.2.1 The anchorages for the seats on the vehicle shall be capable of withstanding the test described in 5.1 (if the test seat is anchored to the testing platform representing the vehicle structure).
4.2.2 Permanent deformation, including breakage, of an anchorage or the surrounding area shall be permissible provided the prescribed force has been sustained throughout the prescribed period.
4.2.3 When there is more than one type of anchorage on a vehicle, each variant shall be tested.
4.2.4 When the combination of one type of seat and one type of anchorage can satisfy the requirements of 4.1, then only the different types of anchorages can be tested in accordance with 5.2 when this type of seat is combined with other types of anchorages. 4.2.5 If the anchorage points of safety belt for corresponding seats positions are directly fixed to the seats and these anchorage points fully conform to GB 14167, then it is deemed that the strength of the anchorages of seats satisfies the requirements of 4.2.1 and 4.2.2.
4.3 Requirements for seat installation
4.3.1 All front-facing seats shall satisfy the requirements of 4.1 and meet the following conditions.
a) The seat shall have a reference height of 1 m at least;
b) The height difference between the H point of the seat just behind and the H point of the test seat shall not be greater than 72 mm. If it is greater than 72 mm, then the test shall be conducted at the actual installation height.
4.3.2 Test 1 and test 2 can be carried out in accordance with 5.1.2 and 5.1.3, except in the following situations.
5.1.2.1 The testing platform shall be mounted on a troll...

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