Yangzhou Tongyi Machinery Co., Ltd

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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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Enterprise standard support device
Dec 06, 2018

一. Enterprise Standard (developed by Yangzhou Unified Machinery Co., Ltd.)

Screw jack for vehicles Q/321001JDH 01-2012

1Static pressure test

Static load 3min

Installed on equipment that meets the requirements of the static load test. Under no-load conditions, the vehicle is raised parallel to the ground and then loaded with the rated static load for 3 minutes.

Requirements for compliance: During the test, the jack should be free of permanent deformation, cracks and other abnormalities.

2.Lift test

1.2 times 3 times

Installed on equipment that can meet the requirements of dynamic load test, apply 1.2 times of rated lifting weight, increase 100mm on the basis of the vehicle parallel to the ground, and reciprocate the lifting cycle 3 times.

Requirements for compliance: No permanent deformation, cracks or other abnormalities that may hinder the use of the jacks.

3Tilt loading test

Tilt 10°3min

under the no-load condition, the inclined plate with the inclination angle of 10°is placed on the lower part of the foot, adjusted to the parallel with the ground, and then loaded with the corresponding static load for 3 minutes. 

Requirements for compliance: The jacks should be stable and permanent deformation and other anomalies should not occur in all parts.

4.Durability test

Dynamic load 100 times

Installed on equipment that meets the requirements of dynamic load test, the test load is the rated lifting capacity, and the reciprocating operation is not less than 100 times within the range of use.

Requirements for compliance: All parts should be free of damage and the jacks can still work normally.

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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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