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GB 21976.5-2012: Escape apparatus for building fire -- Part 5: Escape device
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Escape apparatus for building fire -- Part 5: Escape device
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Basic data | Standard ID | GB 21976.5-2012 (GB21976.5-2012) | | Description (Translated English) | Escape apparatus for building fire -- Part 5: Escape device | | Sector / Industry | National Standard | | Classification of Chinese Standard | C85 | | Classification of International Standard | 13.220.10 | | Word Count Estimation | 9,970 | | Quoted Standard | GB/T 191; GB/T 9969; YB/T 5197 | | Regulation (derived from) | National Standards Bulletin 2012 No. 13 " building fire escape evacuation equipment " series of national standards released | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Chinese standard relates to emergency escape device specifies the terms and definitions, models, technical requirements, test methods, inspection rules and signs, packaging, transport and storage. This standard applies to building a fire occurs, trap | GB 21976.5-2012: Escape apparatus for building fire -- Part 5: Escape device---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Escape apparatus for building fire.Part 5. Escape device
ICS 13.220.10
C85
National Standards of People's Republic of China
Building fire escape evacuation equipment
Part 5. emergency escape device
Issued on. 2012-06-29
2012-12-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This Section 5, Chapter 7 and Chapter 8.1 are mandatory, the rest are recommended.
GB 21976 "building fire escape evacuation equipment" is divided into the following sections.
--- Part 1. with a guide;
--- Part 2. escape ease down;
--- Part 3. escape ladder;
--- Part 4. escape slide;
--- Part 5. emergency escape device;
--- Part 6. escape justice;
--- Part 7. Fire filter self contained breathing apparatus;
--- Part 8. Chemical Oxygen fire self contained breathing apparatus.
This section GB of Section 521 976.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This section presents the People's Republic of China Ministry of Public Security.
This part of the National Standardization Technical Committee appliances Fire Fire accessories Technical Committee (SAC/TC113/SC5) centralized.
This section drafted by. Ministry of Public Security Shanghai Fire Research Institute.
The main drafters of this section. Han Xiang, Zhu Qing, Li Baozhong, Jin Wei, Wang Yi, Zhu Yun, Li Changlin.
Building fire escape evacuation equipment
Part 5. emergency escape device
1 Scope
This part of GB 21976 specifies the terms and definitions emergency escape devices, models, technical requirements, test methods, inspection rules, and standard
Chi, packaging, transport and storage.
This section applies to buildings when the fire broke out, for emergency escape device dedicated trapped disposable.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 191 Packaging - Pictorial signs
GB/T 9969 General Instructions industrial products
YB/T 5197 rope aviation
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Emergency escape device escapedevice
Emergency by the governor, ropes, belts, safety hook and metal connectors composed of the governor and users with single-use drop
Escape device.
4 Model
Emergency escape control Model Code by a class group and the main parameters, whose form is as follows.
Escape Evacuation Equipment
Y-
Emergency escape device
Rope length in Arabic numerals, in meters (m)
Example. 15m length of rope emergency escape device, the model TY-15.
5 Technical requirements
5.1 Appearance quality
The outer surface of the metal element of the emergency escape should be smooth, no rust, spots or burrs. Rope-end should be protected was bandaged. Each member shall
No deformation, damage and other anomalies.
5.2 The main parts of the structure, size and material
5.2.1 ropes
5.2.1.1 Wire Rope
Aviation should be used with wire rope diameter shall be not less than 3mm, the material shall comply with the YB/T 5197 requirements of.
5.2.1.2 cored rope
Cored rope cord rope aviation should be used in diameter shall be not less than 3mm, the material shall comply with the YB/T 5197 requirements of. Outer
Material should be cotton or synthetic material. Whole rope should be consistent with the structure, tightly woven, uniform thickness, no distortions.
5.2.2 belt
Seat belt material should be cotton or synthetic material. Bandwidth 40mm ~ 80mm, with a thickness of 1mm ~ 3mm, with a length of 1000mm ~
1800mm, and the length can be adjusted with a buckle by user bust size.
5.2.3 safety hook
Safety hook should be made of a metal material and a safety device to prevent misuse of open, reliable safety device should be locked.
5.3 Load
Emergency escape the minimum load, the standard load and maximum load shall comply with the provisions in Table 1.
Table 1 in units of Newton
Load the type of load value
The minimum load of 343 ± 5
Standard load 687 ± 5
The maximum load of 981 ± 5
5.4 Strength
5.4.1 strength machine
Emergency escape should be able to withstand a load of 4 times the maximum tensile load, after strength testing machine, rope, governor and other components should force
No significant deformation, breakage, detachment and other anomalies.
5.4.2 belt and metal fittings strength
Belts and metal connectors should be able to withstand 6.5 times the maximum load of the tensile load, after strength test, the seat belt webbing, buckles and
Metal connectors shall breakage, breakage and shedding and other anomalies.
5.4.3 Safety hook intensity
Safety hook shall withstand a tensile load 10000N, after strength test, safety hook body and safety devices must not change significantly changed
Shape, fracture, loss and other anomalies.
5.4.4 rope strength
Rope should be able to withstand four times the maximum load of the tensile load, after strength testing without obvious deformation, fracture phenomena, there is not rope core
It has occurred with the cord from the outer phenomena.
5.5 the rate of decline
Minimum load specified in Table 1, the standard load and maximum load state, slow down the rate of decline should be 0.16m/s ~
1.5m/s.
5.6 Manual speed control function
5.6.1 emergency escape device may be provided with a manual speed control function.
5.6.2 Emergency escape device with manual speed control function, when a user without any speed operation, the rate of decline should be 0.16m/s ~
1.5m/s.
5.6.3 When the governor put the state governor, the emergency escape the lowering speed can be adjusted to be between 0m/s ~ 1.5m/s.
5.7 Reliability
After the emergency escape device reliability test trials the rate of decline, the rate of decline should be 0.16m/s ~ 1.5m/s. In the test
Governor, carabiners, ropes and other components should be no deformation, damage and other anomalies.
5.8 Corrosion Resistance
Emergency escape the metal parts should be corrosion-resistant materials or by the anti-corrosion treatment. After salt spray test, the metal emergency escape
Member should be no significant corrosion. Then test the rate of decline, the rate of decline should be 0.16m/s ~ 1.5m/s.
6 Test methods
6.1 Test conditions
6.1.1 The test conditions the rate of decline in wind speed should not be greater than 2m/s is the next.
6.1.2 When the rope length of the sample is less than 15m, lowering speed test test height rope length; when the rope length of the sample is not
Less than 15m, height drop test speed test is 15m.
6.2 appearance quality inspection
Were visually emergency escape device for visual quality inspection.
6.3 The main parts of the structure, size and material inspection
6.3.1 ropes
By visual inspection reports and viewing the material against the ropes methods of structure and materials to be checked. Then direct measurements with a universal measuring rope
Diameter, measure any 3 points, the arithmetic average of three points.
6.3.2 belt
By visual inspection reports and viewing materials approach to belt structure and materials to be checked. Then general gauge measuring safety
With length, width and thickness, measure any 3 points, the arithmetic average of three points.
6.3.3 safety hook
By visual inspection reports and viewing material on the structure of the method, materials and safety hook safety device to be checked.
6.4 Strength Test
6.4.1 strength test machine
The emergency escape device with a rope clamp is connected, the system sets the ring, were set in the test with a retractor device carrying emergency escape rope hanging ears and collar
On, and up and down and pulling machine is connected to the fixture. The Rally stretching speed is set at 100mm/min, and then the emergency escape device is applied four times the
Large load tensile load, keeping 5min.
6.4.2 strength test belts and metal fittings
The end of the seat belt and the metal connectors are clamped by the upper and lower jigs Rally, Rally stretching speed is set at 100mm/min,
Then applying a load of 6.5 times the maximum tensile load on the specimen and keep 5min.
6.4.3 safety hook strength test
The ends of the hook and the longitudinal direction, respectively, the upper and lower jigs Rally connected safety device is in the locked state, pulling machine tensile speed transfer
Set at 30mm/min, and then applying a tensile load of 10000N safety hook to keep 5min.
6.4.4 rope strength test
The length of the rope specimen shall be not less than 300mm, and will be connected to both ends of the upper and lower jigs Rally, Rally stretching speed is set at
100mm/min, and then applying a load of 4 times the maximum tensile load on the specimen and keep 5min.
6.5 lowering speed test
The emergency escape device to test the suspension height, the load applied to the various provisions in Table 1 rappel end, it fell to the ground. With timer
(1) to calculate the rate of decline decreased measurement time according to the equation.
v = Ht
(1)
Where.
v --- lowering speed in meters per second (m/s);
H --- test height in meters (m);
t --- fall time in seconds (s).
6.6 speed manual function test
The emergency escape device to test the suspension height, the rope end dropped by applying various loads specified in Table 1, it fell to the ground during the test
The emergency escape any regulation the governor.
6.7 Reliability Test
According to the method of 6.5, the emergency escape device Rappelling side to exert maximum load, it fell to the ground. Continuous drop test 20 times.
Each test intervals of not more than 5min. Then drop emergency escape rope load is applied to the end specified in Table 1, it fell to the ground.
Each load was carried out on both test drops, each drop velocity calculation.
6.8 corrosion test
Emergency escape is by the use of state placed in the salt spray test chamber, the inside temperature was maintained at 35 ℃ ± 2 ℃, the concentration of 5% chloride
Aqueous solution of sodium injection pressure 0.07MPa ~ 0.17MPa 8h continuous spray after spraying is stopped and turned off the heating controller, let it
Cooling 16h, 24h in a cycle, a total of five test cycles. Then rinse the deposited salt, dried naturally 24h. press
Method 6.5, the emergency escape device Rappelling end load is applied to the standard, it fell to the ground. Drop test shall be carried out twice in a row, the calculation
Every time the rate of decline.
7 Inspection rules
7.1 Type inspection
7.1.1 Type inspection requirements of this section shall be the inspection of all projects.
7.1.2 When one of the following conditions, type of inspection should be carried out.
a) identification of new products into production time;
B) after the official production, product structure, materials, production processes are greatly changed;
c) Product Discontinuance more than one year, the production recovery;
d) continuous production for three years;
e) the national quality supervision bodies type inspection requirements.
7.2 factory inspection
7.2.1 Products shall plant quality inspection departments qualified along with the certificate, before the factory.
7.2.2 factory inspection of project-based section 5.1 to 5.6. Among them, 5.1 and 5.2 will be seized for the project, from 5.3 to 5.6 for the sampling project.
7.3 Sampling
7.3.1 Type inspection should be factory inspection of products at random five.
7.3.2 factory inspection to 100 as the number of samples sampling project should not be less than 10%; less than 100 when batch sampling projects
Samples should not be less than three.
7.4 determine the rules
7.4.1 Type inspection
Results type inspection items all satisfy the requirements of this part, judged as qualified.
7.4.2 factory inspection
The test results will be seized items should be fully comply with this part. Any non-conformity, the product should only be resubmitted after rework
test.
Test results of sampling programs should be fully comply with this part. Any non-conformity, should be retested after double sampling; If you still do not match
Co-item, the batch of products as unqualified.
8 signs, packaging, transportation and storage
8.1 mark
8.1.1 Each product shall be accompanied by a name plate, indicating the following.
a) Product name, model;
b) the implementation of the standard code;
c) length of the rope;
d) load range;
e) plant names, trademarks;
f) the date of production or serial number;
g) safety alerts (including "no oiling", "single use" word).
8.1.2 shall be marked on the package the following.
a) Product name, model;
b) production plant name, trademarks, site;
c) the date of production or serial number;
d) the number of products;
e) package dimension. length (cm) × width (cm) × height (cm);
f) marked "Oil Pollution Prevention" and "moisture" signs, signs should comply with GB/T 191's.
8.2 Packaging
8.2.1 The product should be stored in plastic bags with the whole package. In order to prevent friction and collision between parts, application of foam or cardboard barrier protection, external wood
Box or carton packaging.
Within 8.2.2 crates should be shipped with file.
a) product certification;
b) the product specification;
c) the packing list.
Content 8.2.3 product specification shall comply with GB/T 9969, the product and the installation, use, safety precautions, maintenance
Life cycle and make a statement.
8.3 Transport
Product handling and transport should not be throwing unloading should avoid contact with corrosive substances, avoid oil and water contamination.
8.4 Storage
Products should be stored indoors in a dry ventilated place, avoid direct sunlight, should not be fat, acids and corrosive materials mix.
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