GB/T 26949.13-2017 PDF English
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GB/T 26949.13-2017: Industrial trucks -- Verification of stability -- Part 13: Rough-terrain trucks with mast
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Industrial trucks - Verification of stability - Part 13. Rough-terrain trucks with mast
ICS 53.060
J83
National Standards of People's Republic of China
Industrial vehicle stability verification
Part 13. Cross-country forklifts with gantry
(ISO 22915-13..2012, IDT)
2017-05-12 released
2017-12-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China
China National Standardization Management Committee released
Preface
GB/T 26949 "Industrial Vehicle Stability Verification" has been or is intended to be issued in the following sections.
- Part 1. General;
- Part 2. Balance forklift;
- Part 3. Front and rear forklift;
- Part 4. pallet truck, double stacker and operator picking height of not more than 1200mm picking;
- Part 5. Side forklift (unilateral);
- Part 7. Two-way and multi-directional operation of forklifts;
- Part 8. Additional stability tests for stacking operations under mast forward and load hoisting conditions;
- Part 9. Balance truck with 6m and above length of cargo container;
- Part 10. Additional stability tests for stacking operations under lateral loading of power units;
- Part 11. Telescopic arm forklift;
- Part 12. Telescopic forklift for handling cargo containers of length 6m and above;
- Part 13. Cross-country forklifts with gantry;
- Part 14. Off - road telescopic forklift;
- Part 15. Balance heavy forklift with articulated steering;
- Part 16. Walking vehicles;
- Part 17. Cargo and Personnel Carrier;
- Part 20. Additional stability tests for operating under load biasing conditions;
- Part 21. Selection of the operator with a height of greater than 1200 mm;
- Part 22. Three-way stacker forklift with or without an operator's position;
- Part 23. Industrial and RTT Trucks Carrying Forklifts;
- Part 24. Off - road rotary telescopic forklift trucks.
This part is part 13 of GB/T 26949.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part uses the translation method equivalent to ISO 22915-13..2012 "Industrial vehicle stability verification Part 13.
Wild type forklift ".
In this part of the normative reference to the international documents have a consistent correspondence between the following documents.
Terminology for mobile industrial vehicles (ISO 5053. 1987, IDT);
Industrial vehicle stability verification - Part 1. General (ISO 22915-1..2008, IDT) GB/T 26949.1-2012.
This part incorporates the amendments to ISO 22915-13..2012/Cor.1..2013, the terms of which are covered by
The vertical two-line (║) of the blank position on the outside margin is marked.
This part is made by the China Machinery Industry Federation.
This part of the National Industrial Vehicle Standardization Technical Committee (SAC/TC332) centralized.
This part is responsible for the drafting unit. Hang fork Group Co., Ltd., Beijing Lifting Transport Machinery Design and Research Institute, the national lifting transport machinery
Quality Supervision and Inspection Center.
This part participates in the drafting unit. Anhui Heli Co., Ltd.
The main drafters of this part. Zhang Yonggen, Wang Dan, Ni Jingzhong, Zhou Yunfeng, Wang Meiyang.
Industrial vehicle stability verification
Part 13. Cross-country forklifts with gantry
1 Scope
This part of GB/T 26949 specifies that the rated lifting capacity of a gantry with a fork or load carrying is not more than 10,000 kg
Test method for stability of off - road counterbalanced forklift truck.
This section does not apply to vehicles that carry freight containers.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
ISO 5053 Motorized Industrial Vehicle Terminology (Poweredindustrialtrucks-Terminology)
ISO 22915-1 Industrial vehicle stability verification Part 1. General (Industrialtrucks-Verificationofstabili-
ty-Part 1. General)
3 terms and definitions
The terms and definitions defined in ISO 5053 and ISO 22915-1 apply to this document.
4 test conditions
4.1 General
See ISO 22915-1.
4.2 The position of the vehicle on the inclined platform
4.2.1 Load bridge and drive axle/steering axle
Figure 1 defines the vehicle's load bridge and drive axle/steering axle.
Description.
AA --- vehicle longitudinal center plane;
BB --- steering bridge (in the 4-wheel drive vehicle can also be the drive axle);
CC --- load bridge (in the 4-wheel steering vehicles can also be steering bridge).
Figure 1 Load bridge and drive axle/steering axle
4.2.2 Stabilizer/axle locking device
If a stabilizer or axle lock is installed, it should only be used for test 1 and test 3.
4.2.3 Test 1 and Test 2
The vehicle should be placed on an inclined platform with the load bridge CC parallel to the tilt axis XY of the inclined platform, see Table 1.
4.2.4 Test 3, Test 4 and Test 5
The vehicle should be placed in a tilted platform on a tilting platform so that the MN line is parallel to the tilt axis XY of the inclined platform.
As shown in Table 1, the steering wheel closest to the tilt axis should be parallel to the tilt axis XY. M points are defined as follows.
a) For vehicles with articulated steering bridges. point M is the intersection of the vehicle longitudinal center plane AA and the steering axle axis at the inclined platform
On the projection (see Table 1);
b) For vehicles with articulated frames. the two parts of the frame to the limit position, M point is the rear frame longitudinal center JJ and after
The intersection of the bridge axis on the inclined platform (see Table 1);
c) For a vehicle with a axle lock device. M is the center of the reclining platform with the rear wheel contact surface closest to the tilt axis XY
Point (see Table 1).
As shown in Table 1, point N is defined as the relationship between the tilting platform surface and the load wheel (or the stabilized leg) that is closest to the tilt axis XY
The center of the contact surface.
4.3 Position of load reference point
When the test 1 is carried out, the horizontal position of the load reference point E should not be changed when the fork is lifted from the lower position, as shown in Fig.
So that the mast is vertical, the specified test load up to about 500mm above the tilt platform. The vertical section of the fork is perpendicular to the front surface
If the fork or fork is fixed in relation to the centroid of the test load, E can be set on the fork or fork, as shown in Figure 2a). E points
Should be used as a reference for the tilting platform F point. When the gantry rises, a new F1 point may be generated on the tilting platform, as shown in Figure 2b)
As shown. Adjusting the mast inclination within its design allowable range allows the new F1 point to return to the initial position, point F, as shown in Figure 2c).
Figure 2 Position of the load reference point
4.4 Lifting height
When the simulation test (test 2 and test 4) is carried out, the fork is fully tilted and is measured from the fork at the fork, and the upper surface of the fork should be high
In the tilt platform 500mm.
For test 3, the vehicle should be at the maximum lifting height and at the maximum backwards, or tilted 10 °, or 600%
Choose one of the most unfavorable conditions of stability.
4.5 Horizontal test procedure (only for test 3)
For vehicles with optional operating stabilizers and/or axle locking devices, the stabilizer and axle locking device should be used in its work and non-
Work state test 3.
In the case of test 3 with a vehicle with an optional operating stabilizer or frame leveling device, the maximum lateral tilt correction should not be exceeded
Over 7% (4 °). Horizontal tilt correction should only be made from an optional stabilizer or frame leveling device.
Horizontal tilt correction only applies to test 3, not applicable to other tests.
5 stability verification
5.1 General requirements
The stability of the vehicle shall be verified in accordance with Table 1.
5.2 Regional requirements
Test 1, Test 3 and Test 4 The tilting platform inclination should meet the regional requirements.
5.2.1 North America
--- Test 1
The tilting platform inclination is 6%.
--- Test 3
The inclination of the tilt platform is 10%.
--- Test 4
The inclination of the tilt platform is 40%.
5.2.2 Other areas
--- Test 1
The inclination of the tilting platform is. 7%.
--- Test 3
The inclination of the tilting platform is. 12%.
--- Test 4
The inclination of the tilt platform is 50%.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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