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GB/T 26949.21-2016 English PDF (GBT26949.21-2016)

GB/T 26949.21-2016 English PDF (GBT26949.21-2016)

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GB/T 26949.21-2016: Industrial trucks -- Verification of stability -- Part 21: Order-picking trucks with operator position elevating above 1 200 mm

GB/T 26949.21-2016
Industrial trucks--Verification of stability--Part 21. Order-picking trucks with operator position elevating above 1.200 mm ICS 53.060
J83
National Standards of People's Republic of China
Industrial vehicle stability verification - Part 21. Operation picking car with a height of more than 1200mm (ISO 22915-21.2009, IDT)
Released on October 13,.2016
2017-05-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Administration issued
Foreword
GB/T 26949 "Industrial Vehicle Stability Verification" has or plans to release the following parts. --- Part 1. General;
--- Part 2. Counterbalanced forklift;
--- Part 3. Forward and legged forklifts;
--- Part 4. Pallet stacker, double stacker and picker with a height of not more than 1200mm from the operator; --- Part 5. Side forklifts (single side);
--- Part 7. Two-way and multi-directional operation of the forklift;
--- Part 8. Additional stability tests for stacking operations under gantry forward and load lift conditions; --- Part 9. Counterbalanced forklifts carrying freight containers of 6m and longer lengths; --- Part 10. Additional stability tests for stacking operations under lateral load conditions of power units; --- Part 11. Telescopic forklifts;
--- Part 12. Telescopic forklifts for handling freight containers of 6m and longer lengths; --- Part 13. Off-road forklifts with gantry;
--- Part 14. Off-road telescopic forklift;
--- Part 15. Counterbalanced forklifts with articulated steering;
--- Part 16. Walker vehicles;
--- Part 17. Cargo and personnel carriers;
--- Part 20. Additional stability tests for operation under load bias conditions; --- Part 21. Picking vehicles with an operator position elevation greater than 1200 mm; --- Part 22. Three-way stacker forklifts with or without operator position. This part is the 21st part of GB/T 26949.
This part is drafted in accordance with the rules given in GB/T 1.1-2009. This section uses the translation method equivalent to ISO 22915-21.2009 "Industrial Vehicle Stability Verification Part 21. Operator Location Picking trucks with a height greater than 1200mm.
The documents of our country that have a consistent correspondence with the international documents referenced in this part are as follows. --- GB/T 6104-2005 Mobile Industrial Vehicle Terminology (ISO 5053.1987, IDT) --- GB/T 26949.1-2012 Industrial vehicle stability verification Part 1. General (ISO 22915-1.2008, IDT) This part was proposed by the China Machinery Industry Federation.
This part is under the jurisdiction of the National Industrial Vehicle Standardization Technical Committee (SAC/TC332). This section is responsible for drafting units. Zhejiang Nuoli Machinery Co., Ltd., Beijing Crane Transportation Machinery Design and Research Institute, national lifting transportation Machinery Quality Supervision and Inspection Center.
Participated in the drafting of this section. Anhui Heli Co., Ltd. and Ningbo Ruyi Co., Ltd. The main drafters of this section. Zhou Xinying, Zhao Chunhui, Fang Yong, Wang Moyang, Ni Jingzhong, Feng Zhenli. Industrial vehicle stability verification - Part 21. Operation
Picking car with a height of more than 1200mm
1 Scope
This part of GB/T 26949 specifies the verification operator position lifting height greater than 1200mm (as defined by ISO 5053) Test method for vehicle stability.
This section applies to vehicles of the same type with forks, platforms and/or integral attachments under normal operating conditions. This section does not apply to vehicles in which the load handling device can be moved sideways or rotated away from the longitudinal center plane of the vehicle. 2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. ISO 5053 Mobile Industrial Vehicle Terminology (Poweredindustrialtrucks-Terminology) ISO 22915-1 - Determination of stability of industrial vehicles - Part 1. General (Industrialtrucks-Verificationofstabili- ty-Part 1.General)
3 Terms and definitions
The following terms and definitions defined by ISO 5053 and ISO 22915-1 apply to this document. 3.1
Normal operating conditions normaloperatingconditions
The working condition of the vehicle running on the ground level, level and hard enough (such as concrete). Note. This definition is different from the normal operating conditions given in GB/T 26949.1-2012. 3.2
Guided steering guidedsteering
Mechanical (such as rails) or non-mechanical (such as electromagnetic guidance, laser sensors or infrared guidance systems) that are not directly controlled by the operator. Steering for guiding the steering of the vehicle along a predetermined straight path. 3.3
Restricted steering restrictedsteering
The steering of the vehicle is controlled by the operator, and the angle between the steering angle and the forward and backward running directions is not more than ±10°. 3.4
Unrestricted steering unrestrictedsteering
The steering of the vehicle is controlled by the operator and the steering angle is not limited. 4 test conditions
4.1 General
See ISO 22915-1.
4.2 Location of the vehicle on the inclined platform
4.2.1 Load bridges and drive/steering axles
Figure 1 defines the load bridge and drive/steering axle of the vehicle. Description.
AA---the longitudinal center plane of the vehicle;
BB --- drive/steering axle;
CC --- load bridge.
Figure 1 Load bridge and drive/steering axle
4.2.2 Test 1
The vehicle should be placed on a tilting platform with its drive/steering axle BB and load-bearing bridge CC parallel to the tilting axis of the tilting platform XY, see Table 1.
4.2.3 Test 2, Test 3, Test 4 and Test 5
The vehicle should be placed on an inclined platform such that the MN line is parallel to the tilt axis XY of the tilting platform, see Table 1. The M point is defined as follows.
a) For vehicles with a single drive/steering wheel. point M is the intersection of the drive/steer wheel axle centerline and the drive wheel width center plane Point the vertical projection on the tilting platform.
b) For vehicles where the drive/steering axle is mounted on the articulated frame and the hinge point is in the longitudinal center plane of the vehicle. point M is the articulated frame The vertical projection of the intersection of the transverse axis with the longitudinal center plane AA of the vehicle on the inclined platform. c) For vehicles with dual drive/steering wheels. point M is the drive/steering wheel axle centerline and vehicle center plane AA The vertical projection of the intersection on the inclined platform.
d) For vehicles with non-hinged, rigidly supported casters. the M point is the center plane of the caster wheel width and the stiffness near the center plane of the vehicle A vertical projection of the intersection of the centerline of the support caster axle on the inclined platform. e) For vehicles with non-hinged, rigidly supported casters or wheels and non-hinged drive wheels. 1) For rigid support casters or wheels, point M is the intersection of the centerline of the caster or wheel axle with the center plane of the caster or wheel Point the vertical projection on the inclined platform, and the rigid support caster or wheel axle centerline should be close to the longitudinal center of the vehicle flat;
2) For non-hinged drive wheels, point M is the intersection of the center line of the drive wheel axle and the wide center plane of the drive wheel on the inclined platform Vertical projection.
f) For vehicles with non-rigid support casters or wheels. point M is the intersection of the centerline of the drive wheel axle and the center plane of the drive wheel Point the vertical projection on the tilting platform.
As shown in Table 1, the N point is defined as the center point of the contact surface of the load wheel closest to the inclined platform axis XY on the inclined platform. 4.3 lifting height
The lifting height of the test is the distance between the inclined platform and the highest point of the load carrying surface of the load. 5 stability verification
The stability of the vehicle should be verified in Table 1.

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