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Standard for trailer support devices
Dec 06, 2018

一.Transportation industry Standard trailer support device JT/T476-2002

1Static pressure test

Static load 4h

Vertically mounted to a dedicated test rig, the stroke is adjusted to the maximum, and a static pressure test load is applied for 4 h at the fast shift position.

Compliance requirements:

Check the stability of the support device, whether it can be self-locking and whether the parts are damaged or deformed.

2.Lift test

1.25 times 5 times

Vertically mounted to a dedicated test rig, 1.25 times the lift load is applied at the slow gear position, and the stroke is repeated 5 times from zero to maximum.

Compliance requirements:

Measure the maximum stroke, the handle force at slow speed and the total stroke of 10 turns.

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    Add: No.3 Yima Road, Guangling Industrial Park, Yangzhou, Jiangsu, China
    Tel: +86-514-85550681
    Mob: +8613405556016
    Fax:+86-514-85550682
    E-mail: tonyzhang@yztym.com
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