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GB 30005-2013: Safety requirements of unicycle
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Safety requirements of unicycle
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Basic data
| Standard ID | GB 30005-2013 (GB30005-2013) |
| Description (Translated English) | Safety requirements of unicycle |
| Sector / Industry | National Standard |
| Classification of Chinese Standard | Y14 |
| Classification of International Standard | 97.200.01 |
| Word Count Estimation | 13,142 |
| Quoted Standard | GB 6675 |
| Regulation (derived from) | National Standards Bulletin No. 20 of 2013 |
| 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 standard specifies: equipped with inflatable wheels and single saddle, direct drive crank wheel single use Safety requirements and test methods wheelbarrow. This standard applies to: direct drive crank wheel single use wheelbarrow, users aged 6 years |
GB 30005-2013: Safety requirements of unicycle
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Safety requirements of unicycle
ICS 97.200.01
Y14
National Standards of People's Republic of China
Wheelbarrow safety requirements
Issued on. 2013-10-10
2015-06-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
Chapter 5 of this standard are mandatory, the rest are recommended.
This standard was drafted in accordance with the rules given in GB 1.1-2009.
The standard proposed by China National Light Industry Council.
This standard by the National Toy Standardization Technical Committee (SAC/TC253) centralized.
This standard was drafted. Yao carriage industry (China) Co., Ltd., Jiangsu Inspection and Quarantine Bicycle Testing Center, Kunshan Innovation and Technology Detector
Co., Ltd, National Bicycle Quality Supervision and Inspection Center, Tianjin Eastwell Technology Limited.
The main drafters. Zhang Xuefeng, Qian Lie Hui, Li Bangxin, Taoze Cheng, Zhang Lin, Li Yonglin.
Wheelbarrow safety requirements
1 Scope
This standard specifies the safety requirements wheelbarrow equipped with single pneumatic wheels and saddle, crank the wheel direct drive and single use test
Test methods.
This standard applies to directly drive a crank wheel wheelbarrow single use, users over the age of 6 years.
This standard does not apply to road riding, and fitted with a chain drive and special-purpose athletic wheelbarrow.
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 6675 Toy Safety
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Unicycle unicycle
Equipped with single pneumatic wheels and saddle, crank the wheel direct drive single riding vehicles.
Category 4
Wheelbarrow wheel diameter divided by small, medium and large (see Table 1).
Table 1 wheelbarrow Categories
Type wheel diameter For ages
Small 406mm the following six years to 9 years
Medium 457mm ~ 510mm 10 ~ 14 years old
Large 560mm above 14 years of age
5 Technical requirements
5.1 Properties of Materials Chemistry
Small wheelbarrow accessible surface coatings as well as elements (antimony, arsenic, barium, chromium, cadmium, lead, mercury and selenium) may be the most special saddle leather migration
Great limit requirement shall comply with the requirements of GB 6675 migration of specific elements.
5.2 sharp edges
Press 6.3 (sharp edge) test method, wheelbarrow car should not have any sharp edges accessible.
5.3 protrusion
After assembly, the length (see Figure L 1) is greater than 8mm rigid protrusion exposed, its tail end should be rounded, rounding radius R shall not be less
To 6.3mm. Such large end projection size A should be greater than 12.7mm, the small end of the size of B should be not less than 3.2mm, screw exposed
Projection should be limited to less than the screw after tightening the nut with a large diameter sizes.
NOTE. When L dimension greater than 8mm should be in line with the requirements of these dimensions shown.
The minimum size of the example of Figure 1 protrusion
Saddle locking device from the inside end to the outermost end should not exceed 24mm, to avoid touching the inside of the rider thighs.
5.4 fork
5.4.1 fork positioning device
Located within the axle fork for fork notch or other tools should be targeting. When the axle or axle block close to the top of the slot
, The wheels should be located in the center of the fork.
Lateral static load strength 5.4.2 forks
The test shaft mounted bearing frame and fork by the test method specified in 6.4, the test load of 500N is applied to the shaft, after 30s,
Shed load, the load point of permanent deformation should be less than 3mm.
5.5 Wheel
5.5.1 Accuracy wheel
Accuracy refers to the rotation axle runout tolerance. Runout tolerance refers to the wheel fully assembled and adjusted in the future, in the absence of axial movement
Revolution of the case, the maximum allowable variation range of the position of the rim (i.e. indicator maximum stroke).
Measuring wheel diameter, the axial runout when (concentricity), should be installed on the tires, the tire according to the standard casting maximum inflation pressure sufficient gas.
Figure 2 test, radial runout tolerance of the wheel (in the direction perpendicular to the axis) circular runout measured should be less than 1.5mm.
The wheels of the End Circular runout tolerance (in a direction parallel to the axis) circular runout measured should be less than 1.5mm.
2 Turn the accuracy of the wheel of FIG.
5.5.2 gap
After loading calibration wheel member, a gap which the outer tire and the fork between the inside should not be less than 3mm.
5.5.3 Symmetry
After loading calibration wheel parts, the inside of the fork with the left and right side of the rim gap between the difference should be less than 3mm.
5.5.4 rotation flexibility
Rear wheel rotating part may not have obvious loose, rotation should be flexible, according to Figure 3 test, fixed wheel, lifted the saddle and saddle tube, the fork upright
Pipe from vertical tilted forward or backward 5 ° fork should naturally fall.
Figure 3 wheel rotation flexibility test
5.5.5 tire inflation pressure
Manufacturer's recommended maximum inflation pressure shall be marked on the side of the cast tire, so tire mounted on the rear wheels is easy to be seen.
NOTE. The tire manufacturer specified minimum pneumatic tire pressure label on the side of the cast.
5.5.6 sex with tires and rims
Tire, tube and liner should match with the rim design phase. 110% of the tire inflated to the maximum inflation pressure after 5min later,
Tire should remain intact inclusion in the rim.
Wheel placed 48h, the phenomenon may not appear flat tire.
5.5.7 Static load wheel
Wheel assembled by the method specified in 6.5, shall not break any parts of the wheel, the permanent deformation on the rim of the point of application should not exceed
1.5mm.
5.5.8 wheel with strength
Wheel assembled by the method specified in 6.6, 30s after mating between the tire and the rim should remain intact, the body of the components may not appear
abnormal.
5.5.9 synthetic resin integrally molded wheels
5.5.9.1 temperature resistance
In nominal inflated tires filled at a temperature of 15 ℃ ~ 20 ℃ placed 30min, then, the temperature was applied to 30 ℃ ± 5 ℃,
Place 4h, according to FIG. 4 warmed variation measuring rim width front and rear wheels, the difference should be less than 2mm.
Figure 4 measured width
5.5.9.2 synthetic resin integrally molded wheel impact strength
Wheel after filling the nominal inflation pressure, press the test method specified in 6.7, shall appear ministries have cracks, breakage or significant deformation.
5.5.9.3 rigid synthetic resin integrally molded wheels
Figure 5 test, a synthetic resin integrally molded wheel rim spokes two intermediate load of 500N is applied to maintain 1min, bend at the point of load
Song should be less than 30mm.
5 synthetic resin integrally wheel stiffness test
5.6 saddles and saddle tube
5.6.1 General
Saddle clip relative wheelbarrow forward direction, should be located in the rear of the saddle may not have obvious tilt the saddle clamp at both ends can not be on both sides of the saddle
Outstanding; saddle after saddle tube is fixed folders, etc., should be firmly not loose, but after releasing the clamping device can easily adjust the saddle height.
5.6.2 Size limit
Any part of the saddle, saddle holder saddle or other accessories, from the intersection of the surface and the amount of the saddle seat tube axis from the surface should not be higher than the saddle
125mm.
5.6.3 saddle tube insertion mark
There is a permanent mark on the saddle inner tube, it clearly indicates the saddle frame tube into minimal depth, its length should not be less than the outer diameter of the seat tube
length. For circular cross-section of the seat tube, the amount of the tag from the bottom of the tube from the saddle (ie seat tube diameter of the whole) should not be less than the diameter of the seat tube two
Times height. For non-circular cross-section of the seat tube, the marker Lian tube bottom (ie, the seat tube of the whole cross-section) shall not be less than 40mm.
5.6.4 saddle adjustment clamping device
When you press the test method specified in 6.8, saddle clamping device for adjusting the seat tube should not rotate in any direction, the seat tube for fork stand
Nor should the tube is rotated.
5.6.5 saddle strength
When you press the test method specified in 6.9, saddle and saddle tube must not have visible damage or deformation.
5.7 pedal crank
5.7.1 ground distance
Wheelbarrow under no load conditions, will a pedal at its lowest position and make the foot parallel to the ground surface, if only a foot surface
Then, to face up to the foot, the pedal can be small wheelbarrow tilted 20 ° from the vertical position to the side (medium and large should be 25 °) and the
Any components are not touching the ground.
5.7.2 pedal and the pedal shaft --- dynamic endurance test
Press the test method specified in 6.10, where a small wheelbarrow pedal weight 30kg, medium and large wheelbarrow load 80kg, the test
Any member of the pedal should not have visibility of the break or crack, pedal shaft bearing portion should not have any damage.
5.7.3 crank member --- Fatigue Test
When you press the test method specified in 6.11, two pedal shaft, two crank axle and there should not be any broken parts or visibility of the crack.
5.8 quick release device
Any quick release mechanism wheelbarrow used shall have the following operating characteristics.
a) quick-release mechanism shall be adjustable to adjust the degree to bite compacted.
The shape and marking b) quick release mechanism should be able to clearly show that institutions are in the released position or pull tight position.
c) If the organization is to regulate the pull rod, then pull the lever After adjustment, the agency wrenching force should not exceed 200N, quick release mechanism
Under the action of this force, without permanent deformation.
d) in the clamping mechanism is needed to wrench after releasing force not less than 50N.
e) If the institution is pull the lever, the quick release mechanism should not be able to withstand a force of less than 250N of wrenching without breakage or permanent
Deformation. Upon application of the force, the Agency shall be adjusted to avoid this force is completely locked.
6 Test methods
6.1 precision test equipment and test environment
6.1.1 Unless otherwise specified, this standard measurement accuracy of the force should be ± 5%; the quality of the measurement accuracy of ± 1%; angle measurement accuracy is ± 1 °;
All dimensions accuracy is ± 0.5mm. This tolerance is only suitable instrument for testing.
6.1.2 Unless otherwise specified, before the test sample should be at a temperature of 23 ℃ ± 5 ℃ environment for at least 2h, and at a temperature of 23 ℃ ± 10 ℃
Test environment.
6.2 can migrate specific test element (see 5.1.1)
Used on a small wheelbarrow accessible surface coatings and leather saddles specific migration of elements of sampling methods and test methods Press
Migration test methods GB 6675 will be a particular element.
6.3 sharp edge test (see 5.2)
GB 6675 by the sharp edge of the test method for testing.
Lateral static load strength test 6.4 forks
The test shaft mounted bearing frame and fork test by the method shown in Figure 6, the test load of 500N is applied to the shaft, after 30s, shed
Load, load point of permanent deformation should be less than 3mm.
Lateral static load strength test Figure 6 forks
6.5 wheel static load test
The assembled press wheel nominal pressure charged gas, according to the test method shown in Figure 7, the wheel is fixed, and then applied to the tire at any point
Load of 180N maintain 1min, then lifted load placed 2min, never point any part of the wheel should not be biased on the broken rim
Long deformation should not exceed 1.5mm (weight Categories. 180N, than medium-sized 300N).
7 wheel static load test
6.6 wheel with strength test
Assembled wheels charged at 110% of the nominal pressure, with the whole tire circumference holder stick side, the level of support from the wheel, and then the axle
After applying a load of 2kN, 30s, fit between the tire and the rim should remain intact, the parts of the vehicle body can not be an exception.
6.7 synthetic resin integrally molded wheel impact strength test
Wheel after filling the nominal inflation pressure mounted on the test apparatus shown in Figure 8, and then fixed a 20kg weight (including quality fixtures
Volume), and from the height of 400mm, falling twice, once aligned spokes ground, another ground, departments shall not appear in the middle of two spokes
Cracks, breakage or significant deformation.
8 synthetic resin integrally molded wheel impact strength test
6.8 saddle adjustment clamping means test
The saddle and seat tube are correctly fitted to the frame, saddle clamp bolt should be tightened to the recommended torque in the saddle from the front or rear
25mm point within the selected folder on the saddle of a large torque that point, for large and medium-sized unicycle saddle applied level 300N,
668N vertical force, for a small wheelbarrow saddle horizontal 100N, vertical 300N, saddle adjustment is applied to the seat tube clamp at any
There should not be in the direction of rotation, the seat tube for fork risers should not have rotated. Toothed nut and saddle saddle clamp nut tightening torque is
20N · m.
6.9 saddle strength test
The saddle and saddle tube fixed in the fixture shown in Figure 9, the distance between the axis of rotation and the lower part of the saddle is 560mm, is applied to the seat tube
3kg hammer, then allowed to move forward, backward naturally fell 30 times, saddles and saddle tube must not have visible damage or deformation.
9 saddle strength test
6.10 pedals dynamic endurance test
Each pedal is screwed into a threaded hole in the shaft test on each pedal a suspended mass with tension spring for small wheelbarrow use pedals
As 30kg, medium and large wheelbarrow load 80kg (accuracy of ± 1% or less) in order to reduce the weight of a load of vibration as shown in FIG. However
After the test shaft speed should not exceed 100r/min for a total of 100,000 times rotation. If the foot pedal has two faces, then in rotation
50000 times later, the pedal should be flipped 180 °, there should not be any part of the pedal visibility of breakage or cracking. Bearing portion of the pedal shaft
There should be no damage.
Explanation.
1 --- pedal width.
10 pedal dynamic endurance test
6.11 crank member Fatigue Test
Figure 11 test should be two pedal shafts, axles and left and right crank mounted on a test bench, the crank should be at the level (accuracy of ± 1 °), solid
Fixed shaft does not rotate. The left and right crank pedal shaft, at 50mm at the repeated alternately applied vertical dynamic forces from the outer side of each crank,
Small wheelbarrow to 700N, medium and large wheelbarrow to 1300N (05% accuracy) 100,000 times. Acting on the right side of the crank force
Should be on to, and acting on the lower left crank shall, two pedal shaft, two crank axle and there should not be any broken or cracked parts of visibility
Pattern. Test frequency of not more than 4Hz.
Explanation.
1 --- dynamic force exerted, 50mm from the outer surface of the crank to the point of application;
2 --- horizontal line.
11 crank assembly fatigue endurance test
7 Product information and instructions
7.1 General
a) product information should be provided to reduce the use of vehicles foreseeable risk;
b) on the product logo and instructions for use should use standard Chinese characters;
c) All the "danger", "warning", "CAUTION" safety alert fonts should be greater than or equal to the fourth boldface font warning should be content
Greater than or equal to V small bold;
d) safety warning labels should be durable labels, and permanently attached to the product and packaging, the position should be eye-catching.
7.2 Product Identification
In each vehicle shall be clearly, clearly and permanently mark the following.
a) the name or trademark of the manufacturer, importer or the right sales organization;
b) Model;
c) similar to the following warning.
Warning. When children ride, caregivers do not leave.
This warning should be used in the visible.
7.3 User's Guide
Each vehicle shall provide a safe use of vehicles to the instructions shall include the following.
a) Description. Before use, please read this manual carefully and keep it properly for future reference. If you do not use in accordance with this specification
Products may affect the safety of the child;
b) the name and address or trademark of the manufacturer, importer or the right sales organization;
c) Description. This car is suitable for age and weight;
d) when the car is suitable for use by children, the manual should indicate a warning similar to the following.
--- WARNING. When children ride, caregivers do not leave.
--- WARNING. This product does not apply competitive race car.
--- WARNING. rider should wear a helmet and knee pads and other safety.
--- WARNING. Do not on the road, riding the slopes or rainy days.
e) Initial assembly instructions (if needed);
f) regular inspection, maintenance, cleaning or cleaning instructions, such as lubrication, locking device flexibility and stability of basic items like;
g) comprises a crank shaft of the saddle and saddle tube, bearing caps, etc. Recommended locking torque;
h) Other matters for safe use;
i) the standard code.
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