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GB/T 26949.16-2018Industrial trucks -- Verification of stability -- Part 16: Pedestrian-propelled trucks (English PDF)

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

July 13, 2018

Implementation date

February 1, 2019

Scope

GB/T 26949.16-2018 (Industrial trucks -- Verification of stability -- Part 16: Pedestrian-propelled trucks) is available as an English-translated PDF.

GB/T 26949.16-2018 — This part of GB/T 26949 specifies the test method for verifying the stability of walking vehicles. This section applies to. ---Plug-in, pallet and platform stacking vehicles with a weight of not more than 1000kg or with a battery as the lifting force; --- Manual lifting with a lifting height of not more than 1000mm and rated lifting capacity of not more than 1000kg or shearing with battery as lifting force Fork pallet handling vehicle; --- Platform vehicles. This section also applies to vehicles equipped with load handling attachments under the same operating conditions. This section does not apply to vehicles with retractable devices such as retractable gantry or retractable forks.

Document preview — GB/T 26949.16-2018

National Standard of the People's Republic of China

Issued by: SAMR; SAC

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 test conditions
4.1 General
4.2 Position of the vehicle on the inclined platform
5 Stability verification
5.1 Dynamic test---platform vehicle
5.2 Tilting platform test

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's position;

--- Part 5. Side forklifts (one 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 forklift;

--- Part 12. Telescopic forklifts carrying 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;

--- Part 23. Truck-carrying forklifts;

--- Part 24. Off-road rotary telescopic forklift.

This part is the 16th 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 22915-16.2014 "Industrial Vehicle Stability Verification Part 16. Walker

Vehicle.

The documents of our country that have a consistent correspondence with the international documents referenced in this part are as follows.

--- GB/T 6104.1-2018 Industrial vehicle terms and classification - Part 1. Industrial vehicle type (ISO 5053-1.2015,

IDT)

--- GB/T 10827.5-2013 Safety requirements and verification of industrial vehicles - Part 5. Walk-in vehicles (ISO 3691-5.

2009, 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. Noli Intelligent Equipment Co., Ltd., Beijing Crane Transportation Machinery Design and Research Institute Co., Ltd.

Participated in the drafting of this section. Xiamen Product Quality Supervision and Inspection Institute [National Field (Factory) Motor Vehicle Quality Supervision and Inspection Center], Ning

Bo Ruyi Co., Ltd., Linde (China) Forklift Co., Ltd., Longhe Intelligent Equipment Manufacturing Co., Ltd., Anhui Heli Co., Ltd.

1 Scope

This part of GB/T 26949 specifies the test method for verifying the stability of walking vehicles.

This section applies to.

---Plug-in, pallet and platform stacking vehicles with a weight of not more than 1000kg or with a battery as the lifting force;

--- Manual lifting with a lifting height of not more than 1000mm and rated lifting capacity of not more than 1000kg or shearing with battery as lifting force

Fork pallet handling vehicle;

--- Platform vehicles.

This section also applies to vehicles equipped with load handling attachments under the same operating conditions.

This section does not apply to vehicles with retractable devices such as retractable gantry or retractable forks.

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 3691-5.2014 - Safety requirements and verification of industrial vehicles - Part 5. walk-in vehicle (Industrialtrucks-

Safetyrequirementsandverification-Part 5.Pedestrian-propeledtrucks)

ISO 5053 Industrial Vehicle Terms and Classifications (Industrialtrucks-Terminologyandclassification)

ISO 22915-1 - Determination of stability of industrial vehicles - Part 1. General (Industrialtrucks-Verification of

stability-Part 1.General)

3 Terms and definitions

The terms and definitions defined by ISO 5053 and ISO 22915-1 apply to this document.

4 test conditions

4.1 General

See ISO 22915-1.

4.2 Position of the vehicle on the inclined platform

If the vehicle is equipped with casters and casters, the casters and casters should be installed during the test and placed in the direction of minimum stability.

(See Table 1, Table 2 and Table 3).

4.2.1 Load bridge and steering axle

Figure 1 defines the load bridge and steering axle of the vehicle.

Stacker vehicle scissor lift vehicle platform vehicle

Description.

AA---the longitudinal center plane of the vehicle;

BB---steering bridge;

CC---load bridge.

Figure 1 Load bridge and steering bridge

4.2.2 Longitudinal stability test conducted in Test 1, Test 2, Test 4 and Test 7 to Test 10

The vehicle should be placed on a tilting platform whose steering axle BB and load bridge CC should be parallel to the tilt axis XY of the tilting platform.

4.2.3 Lateral stability test conducted in Test 3, Test 5, Test 6 and Test 7 to Test 10

The vehicle should be placed on a tilting platform such that the MN line is parallel to the tilt axis XY of the tilting platform.

The M points are defined as follows.

a) For vehicles with single or multiple rigid support casters, the M point is the intersection of the caster shaft centerline and the caster wheel width center plane

Vertical projection on the inclined platform, while the center line of the rigid support caster shaft is parallel or located at the tilt axis XY of the inclined platform

(any position) the position of minimum stability.

b) For vehicles with non-hinged double-wheel steering, the M point is the intersection of the steering axle axis centerline and the full width center plane of the two steering wheels.

Vertical projection on the inclined platform, while the centerline of the steering axle is parallel or at the yaw axis XY of the inclined platform (optional

Position) The position of minimum stability.

c) For vehicles with stabilizers, the M point is the vertical projection of the symmetry point of the stabilizer contact surface on the inclined platform.

The N point is the center point of the contact surface of the load wheel closest to the tilt axis XY on the inclined platform.

5 Stability verification

5.1 Dynamic test---platform vehicle

This dynamic test is only available for platform vehicles.

Pushing the empty vehicle to move at a steady speed of (1 +/- 0.1) m/s until the single wheel or two wheels touch the vertical height at the same time

20mm obstacle block. The force pushing the vehicle should stop when the vehicle hits the obstacle. The force that drives the vehicle should act on the underlying platform

(See Figure 2). The test should be carried out in both directions (push and pull).

Figure 2 Dynamic test

An empty vehicle should not tip over after it has touched the obstacle.

5.2 Tilting platform test

The stability of the vehicle should be verified according to Table 1, Table 2 or Table 3.

Table 1 Stability Verification---Stacking Vehicle

Test requirement test 1 test 2 test 3

Test direction

Longitudinal sqrt sqrt

Lateral

Load handling

Direction of the device

Load close to tilt

Axis direction

Load away from tilt

Axis direction

Operation type

run

Stacking/unpacking sqrt sqrt

Load situation

See ISO 3691-5.2014

Table B.1

See ISO 3691-5.2014

Table B.1

Innocent

Maximum lifting height sqrt sqrt sqrt

Inclined platform tilt 4% 14% 3.5%

Vehicle position on the inclined platform

Table 1 (continued)

Test requirement test 1 test 2 test 3

Vehicle position on the inclined platform

1---non-hinged, rigid support casters (any position);

2---non-hinged, rigid support casters to the centerline CC of the load-bearing axle

Rotate

3---Double steering axle centerline is parallel to the tilt axis XY.

According to 4.2.3a)

According to 4.2.3b)

1---non-hinged, rigid support

The caster axis is parallel

At XY or steering angle

Located at minimum stability

s position;

2---non-hinged double steering

Axle centerline parallel

On the tilt axis XY.

a Parallel.

......

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

Referenced standards

Normative references

ISO 3691 · ISO 5053 · ISO 22915

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