QB/T 2922-2018_English: PDF (QB/T2922-2018)
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Standard ID | QB/T 2922-2018 (QB/T2922-2018) | Description (Translated English) | Case and bag - Test method for shaking impact | Sector / Industry | Light Industry Industry Standard (Recommended) | Classification of Chinese Standard | Y48 | Word Count Estimation | 8,829 | Date of Issue | 2018-04-30 | Date of Implementation | 2018-09-01 | Older Standard (superseded by this standard) | QB/T 2922-2007 | Regulation (derived from) | Ministry of Industry and Information Technology Announcement No. 23 of 2018 | Summary | This standard specifies the principle, device and test method for the oscillation shock test of luggage. | Standard ID | QB/T 2922-2007 (QB/T2922-2007) | Description (Translated English) | Case and bag - Test method for shaking impact | Sector / Industry | Light Industry Industry Standard (Recommended) | Classification of Chinese Standard | Y48 | Classification of International Standard | 59.140.35 | Word Count Estimation | 6,696 | Date of Issue | 2007-12-03 | Date of Implementation | 2008-06-01 | Drafting Organization | Guangdong Province Product Quality Supervision and Inspection Station of footwear | Administrative Organization | China Leather Industry Standardization Technical Committee | Summary | This standard specifies test methods for vibration impact bags. This standard applies to all kinds of daily luggage. |
QB/T 2922-2018
QB
LIGHT INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 59.140.35
Classification No.. Y 48
Filing No.. 63694-2018
Replacing QB/T 2922-2007
Case and bag - Test method for shaking impact
ISSUED ON. MAY 08, 2018
IMPLEMENTED ON. SEPTEMBER 01, 2018
Issued by. Ministry of Industry and Information Technology of the
People's Republic of China
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Principle ... 4
3 Devices and materials ... 4
4 Sample preparation ... 6
5 Test methods ... 6
6 Results representation ... 7
7 Test report ... 7
Annex A (normative) Schematic diagram of main components of shaking impact
tester ... 8
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard is a revision to QB/T 2922-2007 “Case and bag - Test method
for fall down”.
Compared with QB/T 2922-2007, in addition to editorial modifications, the main
technical changes are as follows.
- modified the requirements for “impact device”;
- added the requirements for “fixture”;
- added the requirements for “suction cup noise reducer”;
- modified the requirements for “control device”;
- deleted the requirements for “specified load”;
- added “normative Annex A”.
This Standard was proposed by China Light Industry Federation.
This Standard shall be under the jurisdiction of National Technical Committee
on Leather Industry of Standardization Administration of China (SAC/TC 252).
Main drafting organizations of this Standard. Dongguan Hengyu Instrument Co.,
Ltd., National Leather Products Quality Supervision and Inspection Center
(Guangzhou), Yangyi Testing Technology Co., Ltd., New Belle Shoes
(Shenzhen) Co., Ltd., Fujian Baolande Luggage Leather Co., Ltd., Guangdong
Xiangchen Boxing Technology Co., Ltd., China Leather and Footwear Industry
Research Institute, Guangzhou Quality Supervision and Inspection Institute,
Guangzhou Shangyi Clothing Co., Ltd., Nike Sporting Goods Co., Ltd.
Main drafters of this Standard. Chen Zongliang, Zan Zhiyi, Sun Shizhen, Zhao
Liguo, Liu Long, Huang Yongqin, Deng Chengliang, Chen Lijian, Wang Yong.
Since the implementation of this Standard, it shall replace the former light
industry standard QB/T 2922-2007 “Case and bag - Test method for fall down”,
QB/T 2922-2007 is repealed simultaneously.
Version of standard substituted by this Standard is.
- QB/T 2922-2007.
Case and bag - Test method for shaking impact
1 Scope
This Standard specifies the principle, devices and test methods for shaking
impact test of case and bag.
This Standard is applicable to various daily cases and bags.
2 Principle
Apply the specified load in the case and bag. Lift the case and bag to the
specified stroke by lifting the strap, strap (or fully open lever). Perform free fall
application under gravity (the rod test uses uniform motion). Through the impact
and absorption of the impact force by the spring, make the case and bag be
shacked and impacted. Thereby check the anti-shaking impact performance of
the handle, the strap, the tie rod and the case (bag) body.
3 Devices and materials
3.1 Shock impact tester
The case and bag shaking impact tester shall include the components specified
in 3.1.1 to 3.1.7. See Annex A for the structure of the main components.
3.1.1 Impact device
See Figure A.1 in Annex A for a schematic diagram. The impact device includes
a lower suction cup, an upper damping rubber block, a shock absorbing spring,
a lower shock absorbing rubber block, an impact rod, and a common clamp
(shoulder strap clamp).
The total mass of the lower suction cup, the upper shock absorbing rubber block,
the impact rod and the common clamp is (8.1±0.2) kg.
The impact device can move up and down, the one-way stroke is (150±5) mm,
and the stroke is set based on the external load of the impact device of 30kg.
3.1.2 Upper suction cup and noise reducer
See Annex A.2 for a schematic diagram. Gas-oil pressure adjustable noise
reduction device is at the upper suction cup. The bottom of the noise reduction
4 Sample preparation
The sample is placed at a temperature of 16°C ~ 30°C for not less than 2h. The
sample shall be tested at this ambient temperature. The sample shall not be
pressurized during parking.
5 Test methods
5.1 Apply the specified load into the sample case, the inside of the bag.
Distribute the load evenly.
5.2 Close the case and bag to prevent the weight from falling out during the test.
Use the sample fixing material to wrap the test case, the carrying handle (side
handle), the strap, the tie rod and other test parts on the common fixture (the
shoulder strap is used with the shoulder strap clamp).
- When testing the strap, adjust the strap to the maximum length.
- When testing double straps and double handles, two straps or two handles
shall be fixed on the special fixture of the case and bag shaking impact
tester at the same time.
- When testing the lever, pull the lever out to the longest state.
5.3 Select test modes.
- Free fall movement. after the sample is lifted to the set stroke height, the
suction cup is released, and the sample is free-falling under the action of
gravity. The test part is a handle (side handle), a strap, etc.
- Reciprocating motion. after the sample is lifted to the set stroke height, the
suction cup is not released, reciprocating, and the test part is a tie rod.
5.4 The test frequency is preferentially set to (20±2) times/min, or tested
according to the specified test frequency.
5.5 Select the following number of shaking impact to test. 100 times, 200 times,
300 times, 500 times, 1,000 times, etc., or test according to the specified
number of times.
5.6 After the test, check the handle (side handle), whether the tie rod is
detached or damaged, whether the metal fitting is damaged, whether the thread
is broken or not, whether the thread is broken or not, whether the case
(including body) is deformed or damaged, or other defects affecting appearance
and function.
......
QB/T 2922-2007
QB
LIGHT INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 59.140.35
Classification No. Y48
Record No. 22749-2008
Case and Bag - Test Method for Shaking Impact
ISSUED ON. DECEMBER 03, 2007
IMPLEMENTED ON. JUNE 01, 2008
Issued by. National Development and Reform Commission of the
People's Republic of China
Table of Contents
Foreword ... 3
Introduction ... 4
1 Scope ... 5
2 Principle ... 5
3 Device ... 5
4 Sample Preparation ... 5
5 Test Methods ... 5
6 Expression of Test Result ... 6
7 Test Report ... 7
Foreword
This Standard was proposed by the China National Light Industry Council.
This Standard shall be under the jurisdiction of the Committee on Leather of
Standardization Administration of China (SAC/TC 252).
This Standard is drafted by Guangdong Provincial Quality Supervision, Inspection and
Footwear Station, Zhongshan Crown Leather Co., Ltd., Guangzhou V-Goal Handbag
Co. Ltd. AND Ming Yu Electronic Technology Co., Ltd.
Chief drafting staffs of this Standard. Zhong Xihao, Huang Xiaogang, Lin Jiezhen,
Jiang Yongxiong, Yu Xinglong and Zhan Zhiyi.
This Standard is issued for the first time.
Case and Bag – Test Method for Shaking Impact
1 Scope
This Standard specifies test method for shaking impact of case and bag.
This Standard is applicable to various cases and bags of daily use.
2 Principle
The quality of carrying-handle, tie-bar and case & bag body is inspected by - lifting the
loaded case and bag with the carrying-handle or fully-pulled tie-bar; then drop them at
a certain speed and the loaded gravity within a specified travel; use the spring to
realize the shaking impact on the case and bag depending on the absorption and
release of the force.
3 Device
Shaking impact tester for case and bag shall include those parts specified in 3.1~3.4.
3.1 Metal support. ≥2000mm in height.
3.2 Impact device. capable of moving up and down, with the damping spring
constant of 17.54N/mm.
3.3 Control device. having adjustable test speed, capable of setting the impact tests
frequency and providing the automatic shutdown function in case of sample falling
midway.
3.4 Recording device. having automatic recording and memory function.
4 Sample Preparation
The sample shall be placed in such an environment at a temperature of 18°C~25°C
for at least 1h without bearing any load.
5 Test Methods
5.1 Add specified load into tested case and bag in accordance with those specified
in Table 1; load shall be distributed uniformly.
pulling and pushing the tie-bar, in N; the result is accurate to an integer place.
7 Test Report
The test report shall include.
a) The serial number of this Standard;
b) Name, serial number, type, manufacturer (or brand), and production date of the
sample;
c) Test results;
d) Abnormal phenomena during the test;
e) Differences between the actual measuring method and the one in this Standard;
f) Test personnel and date.
......
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