GB/T 22419-2023 PDF English (GB/T 22419-2008: Older version)
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Industrial trucks - Specifications for indicator lights for container handling and grappler arm operations
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Industrial trucks -- Specification for indicator lights for container handling and grappler arm operations
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GB/T 22419-2023: PDF in English (GBT 22419-2023) GB/T 22419-2023
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 53.060
CCS J 83
GB/T 22419-2023 / ISO 15871:2019
Replacing GB/T 22419-2008
Industrial Trucks - Specifications for Indicator Lights for
Container Handling and Grappler Arm Operations
(ISO 15871:2019, IDT)
ISSUED ON: MARCH 17, 2023
IMPLEMENTED ON: OCTOBER 1, 2023
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 Requirements ... 5
4.1 General Rules ... 5
4.2 Freight Container Handling Spreaders ... 5
4.3 Grappler Arm ... 6
4.4 Specific Requirements for Indicator Lights ... 7
4.5 Optional Additional Indicator Lights on the Grappler Arm ... 8
Bibliography ... 9
Industrial Trucks - Specifications for Indicator Lights for
Container Handling and Grappler Arm Operations
1 Scope
This document specifies the requirements for indicator lights used to indicate the status of
freight container handling spreader and grappler arm.
This document is applicable to:
a) Container handling spreaders, with twist locks, for handling unloaded and / or loaded
freight containers;
b) Grappler arms (bottom-gripping) for handling semi-trailers and swap bodies.
These handling spreaders and grappler arms are equipped on the following trucks:
---counterbalance lift trucks, with masts, as defined in 3.3 in ISO 5053-1:2015;
---rough terrain trucks, with masts, as defined in 3.7 in ISO 5053-1:2015;
---non-stacking low-lift straddle carriers, as defined in 3.18 in ISO 5053-1:2015;
---stacking high-lift straddle carriers, as defined in 3.19 in ISO 5053-1:2015;
---variable-reach trucks, as defined in 3.20 in ISO 5053-1:2015;
---rough-terrain variable-reach trucks, as defined in 3.21 in ISO 5053-1:2015;
---variable-reach container handlers, “reach stackers”, as defined in 3.23 in ISO 5053-
1:2015;
---counterbalance container handlers, as defined in 3.24 in ISO 5053-1:2015.
2 Normative References
This document does not have normative references.
3 Terms and Definitions
The following terms and definitions are applicable to this document.
3.1 light “on”; “on”
Light “on” / “on” means the indicator light continuously glows at full power.
3.2 light “flashing”; “flashing”
Light “flashing” / “flashing” refers to the luminance state of the indicator light alternately
changes between “on” and “off” at an equal pre-determined time.
3.3 light “off”; “off”
Light “off” / “off” means the indicator light does not glow.
3.4 non-reflective shield
Non-reflective shield refers to a device that prevents scattered light from irrelevant light sources
from causing the indicator light to be mistakenly deemed as turned “on”.
3.5 clamped
Clamped means there is complete contact between the gripping part of the grappler arm and the
load in the horizontal direction.
3.6 seated
Seated means there is complete contact between the gripping part of the grappler arm and the
load in the vertical direction.
3.7 fully up
Fully up means the grappler arm is lifted to its highest position to ensure that there is clearance
on top of the load.
3.8 fully down
Fully down means the grappler arm is fully lowered and ready to grip the load.
4 Requirements
4.1 General Rules
In order to reduce the number of indicator lights required, three working states are adopted for
the indicator lights: light “off”, light “flashing” and light “on”.
4.2 Freight Container Handling Spreaders
4.2.1 General rules
The location of the indicator lights is shown in 4.4.1. A tabular presentation of 4.2.2 and 4.2.3
is shown in Table 1.
1---left;
2---rear (one side of the truck);
3---right.
NOTE: G represents green; O represents orange; R represents red; W represents white; Y represents
yellow.
Figure 1 -- Relative Positions of Indicator Lights
4.4.2 Size, power, luminous intensity and flashing frequency of indicator lights
4.4.2.1 Indicator lights on freight container handling spreader or grappler arm
The minimum area of the indicator lights shall be 1,200 mm2. For incandescent lamps, the
minimum power shall be 20 W. For other types of light sources, for example, LED, the
minimum luminous intensity shall be 20 cd.
4.4.2.2 Indicator lights at the operator’s position
The minimum area of the indicator lights shall be 200 mm2. For incandescent lamps, the
minimum power shall be 2 W. For other types of light sources, for example, LED, the minimum
luminous intensity shall be 2 cd.
4.4.2.3 Flashing frequency
If a flashing indicator light is installed, its flashing frequency shall be 120 times/min ~ 180
times/min.
4.5 Optional Additional Indicator Lights on the Grappler Arm
4.5.1 If necessary, an indicator light may be installed on the grappler arm, or at or near the
operator’s position to indicate the status of the rear arm. At this moment, the indicator light
shall comply with the stipulations of 4.3.2.1 ~ 4.3.2.4, and its position shall be lower or closer
to the operator than the indicator light on the front arm.
4.5.2 Any other indicator lights shall be determined by the related parties through negotiation.
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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