GB 7258-2017 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 7258-2017 | English | 265 |
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Technical specifications for safety of power-driven vehicles operating on roads
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| GB 7258-2012 | English | 250 |
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Safety specifications for power-driven vehicles operating on roads
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| GB 7258-2004 | English | RFQ |
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Safety specifications for power driven vehicles operating on roads [including MODIFICATION 1]
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| GB 7258-1997 | English | RFQ |
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Safety specifications for motor vehicles operating on roads [including MODIFICATION 1]
| Obsolete |
| GB 7258-1987 | English | RFQ |
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Safe specification for motor vehicles operating on roads
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GB 7258-2017: Technical specifications for safety of power-driven vehicles operating on roads---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB7258-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.020
T 09
Replacing GB 7258-2012
Technical specifications for safety of
power-driven vehicles operating on roads
[Including 2019XG1, 2021XG2 Amendment Lists]
Issued on: SEPTEMBER 29, 2017
Implemented on: JANUARY 01, 2018
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
Introduction... 17
1 Scope... 18
2 Normative references... 18
3 Terms and definitions... 21
4 Vehicle... 32
5 Engine and drive motor... 53
6 Steering system... 54
7 Brake system... 55
8 Lighting, tell-tale and other electrical equipment... 68
9 Driving system... 78
10 Transmission system... 81
11 Vehicle body... 83
12 Safety protection devices... 93
13 Additional requirements for fire engines, ambulances, engineering rescue
vehicles and police vehicles... 106
14 Additional requirements for vehicles for handicapped driving... 107
15 Transitional period requirements for standard implementation... 107
References... 112
[2019XG1] No.1 Amendment List of national standard... 114
[2021XG2] No.2 Amendment List of national standard... 116
1 Scope
This standard specifies the basic technical requirements on the running safety
such as motor vehicle main assembly and safety protection devices, as well as
the additional requirements for the fire engines, ambulances, engineering
rescue vehicles and police cars and vehicles for handicapped driving.
This standard applies to all motor vehicles traveling on the road in China.
However, it does not apply to trams and wheeled special purpose mechanical
vehicles which are not designed and manufactured for use on the road and
mainly for the operation and construction in closed roads and places.
Note. Tram refers to the motor-driven, overhead power supply, track carrying
road vehicles.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) are applicable to this standard.
GB 811 Helmets for motorcyclists
GB 1589 Limits of dimensions, axle load and masses for motor vehicles,
trailers and combination vehicles
GB/T 2408-2008 Plastics - Determination of burning characteristics -
Horizontal and vertical test
GB/T 3181 Color standard for paint film
GB 4094 Motor vehicles - Symbols for controls, indicators and tell-tales
GB/T 4094.2 Electric vehicles - Symbols for controls, indicators and tell-tales
GB 4599 Motor vehicle headlamps equipped with filament lamps
GB 4785 Prescription for installation of the external lighting and light-
signaling devices for motor vehicles and their trailers
GB 5948 Photometric characteristics of motorcycle headlamps equipped
with filament light sources
GB 7956.1 Fire fighting vehicles - Part 1.General technical specifications
GB 8108 Vehicle electronic sirens
3 Terms and definitions
The following terms and definitions apply to this document.
4 Vehicle
4.1 Vehicle mark
4.1.1 The motor vehicle shall be fitted with at least one permanent mark which
is suitable for the brand of the vehicle on the visible part of the outer surface of
the front part of the vehicle body.
4.1.2 The motor vehicle shall be equipped with at least one product nameplate
which can be permanently maintained. The nameplate shall be fixed, positioned
and in the type in line with the provisions of GB/T 18411.If the nameplate of the
product is in the form a label, the label shall comply with the general
performance, anti-tamper performance and security performance requirements
as specified in GB/T 25978 for the label. Modified vehicles shall also have
modified vehicle product nameplate and pre-modified vehicle (or chassis)
product nameplate.
4.1.3 Motor vehicles, motorcycle and moped, trailers shall have a unique
vehicle identification number, its content and composition shall be consistent
with the provisions of GB 16735; there shall be at least one vehicle identification
number engraved on the frame (or on the main load bearing removable part of
the body of frameless power-driven vehicle) at a place able to prevent corrosion
or abrasion.
Passenger car's vehicle identification number shall be engraved on the vehicle
structural part within the engine compartment which cannot be replaced, or
otherwise on the door pillar. If there is no engraving space dur to structural limit,
it may also be engraved on the other vehicle structures at right side, except for
the luggage compartment. For goods vehicle with a total mass greater than or
equal to 12000 kg, special motor vehicles modified from goods vehicle chassis,
and all draw-bar trailers, the vehicle identification number shall be engraved on
the outside of the front longitudinal beam of the longitudinal centerline of the
right front wheel, or otherwise on the outside of the longitudinal beam near the
longitudinal centerline of the right front wheel due to structural limit. For semi-
trailers and center axle trailers, the vehicle identification number shall be
engraved on the outside of the front longitudinal beam of the right front strut
(except for those without longitudinal girder). The vehicle identification number
of other motor vehicles and longitudinal beam-free trailer, the product
identification codes (or vehicle identification numbers) for wheeled mobile
machinery for special purposes shall be engraved on the structural part at right
front of vehicle, or on other vehicle structural parts if restricted by structure. For
other power-driven vehicles (except for motorcycles and mopeds), it shall
engrave the vehicle model and exit-factory number at the corresponding eye-
catching position, with the model in front of the exit-factory number, at both ends
of the exit-factory number shall be engraved with the start and end marks.
Parts engraved with a vehicle identification number (or product identification
code, complete vehicle model and serial number) shall not be ground, cut and
repaired, cushioned, chipped, repainted (except for the painting technology
used to protect the engraved vehicle identification number during design and
manufacture), there shall not be any covering on the surface of a sufficiently
large area around the engraved area; if there is a covering, the surface of the
covering shall be clearly marked with “vehicle identification number” or “VIN”,
and the covering can be directly removed (or uncovered) and restored without
using any special tools, to easily observe a surface that is large enough to
include the engraved area.
Engraved vehicle identification number (or product identification code, vehicle
model and serial number) from above (front) side shall be easy for observation
and rubbing; for motor vehicles and trailers, it shall also be able to be
photographed. The height of the letter and number of the engraved vehicle
identification number shall be greater than or equal to 7.0 mm, the depth shall
be greater than or equal to 0.3 mm (for passenger cars and enclosed goods
vehicles having a total mass of less than or equal to 3500 kg, the depth shall
be greater than or equal to 0.2 mm), but the motorcycle and moped word height
shall be greater than or equal to 5.0 mm, the depth shall be greater than or
equal to 0.2 mm. Engraved vehicle model and exit-factory number height shall
be 10.0 mm, depth shall be greater than or equal to 0.3 mm. The total length of
engraved vehicle identification number (or product identification code, complete
vehicle model and serial number) shall be less than or equal to 200 mm, the
font and size of the letter and number shall be the same (except for the vehicle
identification number engraved in different parts); when there is start and end
marks at both ends of the engraved vehicle identification number, the space
between the start and end marks and the letter and number shall be close and
uniform.
Vehicle identification number (or product identification code, vehicle model and
exit-factory serial number) shall not be changed or altered after being engraved,
except for the re-marking or change as specified in GB 16735.On the frame of
the same power-driven vehicle (or on the unremovable parts of the vehicle body
which are mainly for load bearing purposes for the frameless power-driven
vehicles), it shall not engrave both the vehicle identification number (or product
identification code) and the vehicle model and serial number at the same time.
All vehicle identification numbers on the same vehicles shall be the same.
Note 1.Surfaces of a sufficiently large area around the engraving area (a
surface large enough to include engraving areas) refer to the entire surface of
the part on which the vehicle identification number is engraved; however, if the
exposed surface is capable of satisfying the requirements for checking whether
components marked with a vehicle identification number are cut and repaired,
re-welded, and so on, it shall also be considered to meet the requirements.
Note 2.For motorcycles and mopeds, if the engraved vehicle identification
number can be observed or rubbed in the case of not lifting the vehicle, it is
considered to meet the requirements.
4.2 Outline dimensions
The outline dimensions of motor vehicles, trailer and combination of vehicles
shall be consistent with the provisions of GB 1589, the outline dimension limit
values of motorcycle and moped as well as tractor towing trailer for
transportation are as shown in Table 2.
4.3 Axle load and mass parameters
4.4 Verified load
4.5 Specific power
The specific power of low-speed vehicles and tractor towing trailer for
transportation shall be greater than or equal to 4.0 kW/t, and the specific power
of other vehicles than the trolleybus and battery electric vehicles shall be
greater than or equal to 5.0 kW/t.
Note. Specific power is the ratio of the maximum net power of the engine (or
0.9 times the engine rated power or 0.9 times the engine calibrated power) to
the maximum allowable total mass of the motor vehicle.
4.6 Rolling stability and parking stability angle
4.7 Graphics and text mark
4.8 Appearance
4.9 Water leakage inspection
In the engine operation and parking, radiator, water pump, cylinder, cylinder
head, heater and all connections shall be free from water dripping or leakage.
4.10 Oil leakage inspection
After the power-driven vehicle continuous driving for not less than 10 km,
observe it after parking for 5 min, there shall be free from water dripping or
leakage.
4.11 Speedometer indication error (except for power-driven vehicles
having a maximum design speed not more than 40 km/h)
The relationship between the speedometer indicated speed v1 (unit. km/h) and
the actual speed v2 (unit. km/h) shall comply with the following requirements.
4.12 Traveling track
When the combination of vehicles and wheeled tractor towing trailer for
transportation TRAVEL along a straight line on the flat and dry pavement at the
speed of 30 km/h, for the maximum swing amplitude of the trailer rear axle
center relative to the towing vehicle front axle center, it shall be less than or
equal to 110 mm for articulated vehicle, passenger/car trailer combination, and
center axle trailer combination, and it shall be less than or equal to 220 mm for
the draw-bar trailer combination and wheeled tractor towing trailer for
transportation.
4.13 Driver's ear-side noise requirements
4.15 Product use manual
4.15.1 The product manual for motor vehicles shall be marked with the following
structural parameters and technical characteristics in line with the model of the
vehicle (vehicle model), with the aid of graphic descriptions if necessary.
- The specific position of such markings as vehicle product signs, vehicle
identification code (or vehicle model and exit-factory number) engraved in
accordance with the provisions of 4.1.3 and 4.1.8, engraved (or casted)
engine model and exit-factory number (or motor model and number), the
sign indicated of engine model and exit-factory number (or motor model
and number), all the different engraving positions of same vehicle type shall
be described; the specific engraving positions of the vehicle identification
number (or vehicle model and exit-factory number) shall be with graphic
description, and the use of re-painting technology to protect the engraved
vehicle identification number in design and manufacture shall also be
described;
- Length, width, height, and other outline dimension parameters of vehicle;
- Axle load, curb weight, the maximum allowable total mass and other mass
parameters;
- The main engine technical parameters (such as the maximum net engine
power/speed, rated power/speed, maximum torque/speed);
- Tank volume and the types of goods allowed to be carried;
- Fuel type and designation;
- Emission level reached by power-driven vehicle during exit-factory;
- Vehicle fuel consumption under specified test conditions;
- Maximum design speed, maximum gradeability and other dynamic
performance parameters;
- Rated working pressure of (pneumatic brake system) cylinder;
- Specific value of starting pressure;
- Drive type;
- Tire specification and spare tire specification that can be used, and the use
considerations of items such as tire pressure;
- Form and specification of leaf spring;
- Normal use state of air suspension (such as equipment);
- Seat front and back position and back rest angle status set by the factory
set (when measuring the seat cushion depth);
- Normal use status of seat back rest;
- Side and rear lower protective device material, structure, size, connection
part, form, and shape;
- Bearing capacity and goods loading considerations of the isolation device
of enclosed goods vehicle;
- The wheel dynamic balance requirements of motor vehicles having a
maximum design speed greater than 100 km/h;
- Wheel positioning value;
- Reasonable range of free travel of brake pedal;
- Reasonable use range of braking friction pair;
- Braking fluid technical requirements and reasonable replacement cycle;
- The time A from depressing the brake pedal (motor vehicle using pneumatic
braking) to the response of the unfavorable braking chamber; the time B
from depressing the brake pedal (motor vehicle using pneumatic braking)
to the response of the pressure control pipeline joint;
- From the main air pressure control pipeline joint (trailer using pneumatic
braking) to the most unfavorable brake chamber response time C;
- Fuel (gas) hose reasonable replacement cycle;
- Special circumstances under which the transmission function is limited for
use (if any);
- (Bus) number of seats, standing number of passengers and inside seat
layout diagram;
- (Tank-type road transportation vehicle for dangerous goods) allowable
media list;
- (Tank-type road transportation vehicle for dangerous goods) emergency
cut-off device type, installation location and use instructions;
- Other matters involving the safe use of vehicles;
- Name and positions of parts not included into the vehicle outline dimensions
in accordance with the provisions of GB 1589.
Note. The main technical parameters of the engine such as maximum net power,
rated power/speed, etc., as well as the wheel dynamic balancing requirements,
the wheel positioning value, the reasonable range of brake pedal free travel,
the reasonable use range of brake friction pair, and other technical parameters
for vehicle maintenance, if described in other formal accompanied documents,
are also considered as complying with requirements.
4.15.2 The motor vehicle’s product manual shall address the specific location
of the microwave window at the front windshield, as well as the functions, usage,
and considerations of the equipped airbags, anti-lock braking device, auxiliary
brake, speed limit function or speed limit device, electronic stability control
systems and other safety devices; for the motor vehicles equipped with airbags,
the product manual shall also define the airbag position, extension conditions,
and circumstances.
4.15.3 For motor vehicle with an electronic control unit (ECU) or electronic data
interface, it shall describe in the product manual how to read the vehicle
identification number information from the ECU.
4.15.4 For the motor vehicles equipped with an event data recording system
(EDR), the product manual shall have.
- The descriptions on such contents as “this vehicle is equipped with an event
data recording system (EDR)”;
- The descriptions on the meaning and possible uses of the data items
recorded by EDR;
- The descriptions on how to obtain the EDR data reading tools.
4.15.5 Product manual for passenger cars and motor caravan shall describe
the type and fixation method of the child seat which is suitable for installation.
4.15.6 For passenger cars with traction function, it shall describe the following
items in the product manual.
- Maximum allowable traction quality (described respectively for center axle
trailer with and without braking);
- National standard or international standard number corresponding to the
equipped electric connection joint, as well as the functions of each wiring;
- National standard or international standard number corresponding to the
equipped ball joint;
- Additional rear-view mirror and bracket installation location;
- Dimensional limit of center axle trailer allowed to be towed;
- Braking system connection requirements and installation and operation
instructions for passenger cars and center axle trailers;
- Driver requirements of passenger/car trailer combination;
- Precautions of passenger/car trailer combination during driving.
4.15.7 Trailer's product manual shall indicate the corresponding national
standard or international standard number of the connecting device, and
expressly indicate that no person is allowed in the living compartment in the
driving process.
4.15.8 The product manual of battery electric vehicles, fuel cell electric vehicles,
and hybrid electric vehicles shall indicate the operation safety and fault
protection special requirements.
4.15.9 The product manual of the special motor vehicle shall indicate the type,
specification, key technical parameters of the equipped special equipment or
appliances, special function key technical parameters, and the special
descriptions on special work; the product manual for other motor vehicles
equipped with special instruments or equipment shall describe the type and
specification of the equipped special equipment or appliances.
4.15.10 The product manual of the tri-wheeled vehicle shall describe the
operating instructions of all operation mechanism.
4.15.11 The product manual of the wheeled mobile machinery for special
purposes and special-sized vehicles shall clearly state the sequence number
and year number of the relevant national standard and/or industrial standards
followed to manufacture them.
4.15.12 All text contents of motor vehicle product manual shall include a
Chinese version.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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