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GB 20182-2024 PDF English


Search result: GB 20182-2024_English: PDF (GB20182-2024)
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GB 20182-2024English275 Add to Cart 0-9 seconds. Auto-delivery. External projections for cab of commerdial vehicles Valid
GB 20182-2006English145 Add to Cart 0-9 seconds. Auto-delivery. The cab of commercial vehicles -- External projections Valid
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GB 20182-2024: PDF in English

GB 20182-2024 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.040.60 CCS T 26 Replacing GB 20182-2006 External projections for cab of commercial vehicles ISSUED ON: AUGUST 23, 2024 IMPLEMENTED ON: JANUARY 01, 2026 Issued by: State Administration for Market Regulation; Standardization Administration of the People's Republic of China. Table of Contents Foreword ... 3 1 Scope ... 4 2 Normative references ... 4 3 Terms and definitions ... 4 4 General requirements ... 6 5 Special requirements ... 7 6 Test methods ... 10 7 Same type determination ... 13 8 Implementation of the standard ... 13 External projections for cab of commercial vehicles 1 Scope This document specifies the terms and definitions, general requirements, special requirements and test methods for external protrusions on the body ahead of the rear panel of the commercial vehicle cab. This document applies to N category vehicles. This document does not apply to accessories such as external indirect vision devices and their connections, antennas and luggage racks. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB 15084-2022, Motor vehicles -- Devices for indirect vision -- Requirements of performance and installation GB/T 29120, Procedure for H-point and R-point determination 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 external surface The exterior surface of the vehicle body forward of the cab rear panel. NOTE: It does not include the rear apron itself, but includes the front fenders, bumpers and front wheels etc. 3.2 cab The body of the vehicle forming the passenger compartment. NOTE: Including doors. 3.3 cab rear panel The rear part of the cab is used to connect the left and right side panels. NOTE: For vehicles where the position of the rear panel of the cab cannot be determined, if the cab is equipped with one row of seats, this document defines the horizontal vertical plane located 500 mm rearward of the R point of the driver's seat (R point is determined in accordance with GB/T 29120) as the rear panel of the cab. If the cab is equipped with more than one row of seats, this document defines the horizontal vertical plane tangent to the backrest of the last row of passenger seats adjusted to the rearmost position as the rear panel of the cab. 3.4 reference plane When the vehicle is fully loaded, the horizontal plane passing through the center of the front wheels or the horizontal plane 500 mm above the ground, whichever is lower. 3.5 floor line The geometric trajectory formed by the contact points of a cone with a vertex angle of 30° along the lowest contactable position of the outer surface of a fully loaded vehicle. NOTE 1: The cone determines its own height based on the principle of ease of operation, with the top of the cone facing upward and the axis of the cone perpendicular to the horizontal plane. NOTE 2: When determining the floor line, the exhaust pipe, wheels and functional mechanical elements mounted under the vehicle body, such as jack points, suspension devices or connections used in towing or anchoring situations, are not taken into account. The arch gaps on the wheels can be assumed to be filled to form a continuous smooth surface. When determining the floor line of the vehicle, the bumper must be taken into account. For a certain model, the cone contact point may be at the end of the bumper or on the body panel below the bumper. If there are two or more contact points at the same time, the bottom contact point is used to determine the floor line. 3.6 radius of curvature The radius of the arc of the circle that is closest to the part. 3.7 bumper The lower outer member at the front of the vehicle. NOTE: It includes protection of all vehicle structures and their attachments during a low-speed frontal collision. 3.8 bumper cover The non-rigid outer surface of the bumper. 3.9 front hood The powertrain hatch and/or luggage compartment lid in front of the windshield. 5 Special requirements 5.1 Decorative elements, symbols, logos of letters and numbers 5.1.1 The radius of curvature of decorative parts, symbols, letters and numbers of logos shall not be less than 2.5 mm, except for parts with a protruding support surface height of not more than 5 mm, but the directly outward edges of these parts shall be smooth. 5.1.2 For decorative parts, symbols, letters and numbers of logos that protrude more than 10 mm from the supporting surface, when a flat-end indenter with a diameter not greater than 50 mm is used to apply an external force of 100 N to the highest point of the protrusion from any direction in a plane parallel to its mounting surface, it shall be able to shrink, fall off or bend. After the decorative part is retracted, fallen off or bent, the protruding height of the remaining part shall not be greater than 10 mm. There shall be no sharp corners, sharp edges or cutting edges. 5.2 Headlamp bezels and lamp rings 5.2.1 When the headlamp is equipped with a protruding sunshade and lamp ring, the protruding height relative to the outer surface of the headlamp light distribution glass shall not be greater than 30 mm and the radius of curvature shall not be less than 2.5 mm, except for headlamps embedded in or extending outside the vehicle body, but the vehicle body shall comply with the provisions of 4.2. 5.2.2 Retractable headlamps shall comply with the requirements of 5.2.1 whether in the operating position or the retracted position. 5.3 Grille The radius of curvature of the grille shall meet the following requirements: a) When the grille gap width is greater than 40 mm, the radius of curvature shall not be less than 2.5 mm; b) When the width of the grille gap is not greater than 40 mm and not less than 25 mm, the radius of curvature shall not be less than 1 mm; c) When the grille gap width is less than 25 mm, the radius of curvature shall not be less than 0.5 mm. 5.4 Windshield wipers and headlamp wipers 5.4.1 The shafts of windshield wipers and headlamp wipers shall be equipped with protective covers. The radius of the corners of the protective covers shall not be less than 2.5 mm. The surface area of the shaft protective covers shall not be less than 150 mm2 when measured at a distance of not more than 6.5 mm from the highest protrusion. 5.4.2 The radius of curvature of windshield and headlamp washer nozzles shall not be less than 2.5 mm. NOTE: This clause does not apply to parts with a protrusion height of less than 5 mm and rounded edges toward the outside. 5.5 Bumper 5.5.1 The ends of the bumper shall bend toward the outer surface of the vehicle body. 5.5.2 The radius of curvature of all outwardly facing rigid surfaces of the bumper and parts mounted on the bumper shall not be less than 5 mm. The radius of curvature of the bumper cover shall not be less than 2.5 mm. NOTE: This clause does not apply to inlays on the bumper or parts installed on the bumper with a protruding height of less than 5 mm and rounded edges. 5.5.3 The towing hook and winch shall not protrude from the front surface of the bumper. However, when the winch is not in operation and is covered with a protective cover with a radius of curvature of not less than 2.5 mm, it is allowed to protrude from the front surface of the bumper. 5.5.4 Parts referred to in other clauses of this document installed on the bumper shall comply with the provisions of Chapter 5. 5.6 Doors, luggage compartments, front hoods, air vents, handles, hinges and buttons 5.6.1 Doors, trunks, front hoods, vents, handles, hinges and buttons shall comply with the following requirements: a) The radius of curvature is not less than 2.5 mm; b) The protruding height of the button shall not exceed 30 mm; c) The protruding height of the handle and the front cover lock is not more than 70 mm; d) The protruding height of other parts not mentioned in 5.6.1 b) and c) shall not exceed 50 mm. 5.6.2 The rotating side door handle shall comply with any of the following requirements. a) If the handle is rotated parallel to the door surface, the free end of the handle faces rearward and is bent toward the door panel and is placed in a protective cover or embedded in a groove. b) For handles that are not parallel to the door surface and rotate outward in either direction, the free end of the handle faces rearward or downward and is housed in 5.10.3 If the bolts or nuts protrude beyond the projection of the outer surface of the tyre (the part of the wheel above the horizontal plane passing through the axis of rotation of the wheel), the bolts or nuts shall be equipped with protective devices that comply with the provisions of 5.10.2. 5.11 Jack support and exhaust pipe The distance of the vertical projection of the jack support frame and the exhaust pipe protruding from the floor line or the vertical projection of the intersection of the protruding reference plane and the outer surface of the vehicle body shall not exceed 10 mm. NOTE: This clause does not apply to exhaust pipes with rounded end edges and a radius of curvature of not less than 2.5 mm. 5.12 Surveillance mirror and surveillance camera-monitor-recording device 5.12.1 When the vehicle is fully loaded, if the surveillance cameras installed on both sides of the vehicle body are less than 2 m from the ground, their protruding height shall not exceed 50 mm from the outermost external surface of the cab. 5.12.2 For surveillance mirrors and monitoring cameras installed on the outside of the vehicle body, the radius of curvature of all parts that can contact a 100 mm diameter sphere shall not be less than 2.5 mm. NOTE 1: This clause does not apply to parts that protrude from the external surface of the vehicle body by no more than 1.5 mm, or parts that protrude from the external surface of the vehicle body by more than 1.5 mm and less than 5 mm but have rounded outward edges. NOTE 2: This clause does not apply to the edges of fixing holes or recesses with a diameter or maximum diagonal less than 12 mm and with smooth edges. 5.12.3 If camera and monitor parts are made of materials with a Shore hardness of less than 60 HA and are mounted on rigid supports, the rigid supports shall comply with the provisions of 5.12.2. 6 Test methods 6.1 Method for measuring the size of the protruding part of parts mounted on the external surface of the vehicle body 6.1.1 The size of the protruding portion of a part mounted on a convex surface of a vehicle body can be determined by direct measurement or by reference to a cross- sectional drawing of the part in the installed position. 6.1.2 Except for the parts installed on the convex surface of the vehicle body, the ......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.