Spring handgrip for bus
A bus and composite spring technology, applied in vehicle parts, special positions of vehicles, transportation and packaging, etc., can solve problems such as potential safety hazards, and achieve the effects of good buffering capacity, soft texture and strong retraction force
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Embodiment 1
[0018] The handle includes a composite spring whose upper end is fixed on the horizontal rail of the bus and an elastic suspension ring connected to the lower end of the spring. The alloy spring is processed by the following components and ratio of raw materials: C: 0.3500%, Si: 0.8000%, Mn: 2.200%, P: 0.0800%, S: 0.003%, Cr: 0.7000%, Sc: 0.0600 %, Al: 0.0005%, N: 0.0100%, and the balance is Fe and unavoidable impurities. The elastic Eucommia gum is made according to the following components and proportions: 95 parts of Eucommia gum, 85 parts of rubber additive, 7 parts of sulfur, 5 parts of sulfur-containing accelerator, 5 parts of ZnO, 5 parts of CaO, 11 parts of resin modifier, carbon 80 parts of black, 4 parts of anti-aging agent.
Embodiment 2
[0020] The handle includes a composite spring whose upper end is fixed on the bus horizontal pole through a wire rope and an elastic suspension ring connected to the lower end of the spring. The alloy spring is processed by the following components and ratio of raw materials: C: 0.7000%, Si: 4.5200%, Mn: 0.1600, P: 0.003, S: 0.0800%, Cr: 3.80%, Sc: 0.0015, Al : 0.0500%, N: 0.0020%, and the balance is Fe and unavoidable impurities. The elastic eucommia gum is made according to the following components and proportions: 15 parts of eucommia gum, 5 parts of rubber additives, 3 parts of sulfur, 1 part of sulfur-containing accelerator, 1 part of ZnO, 1 part of CaO, 1 part of resin modifier, carbon 30 parts of black, 2 parts of anti-aging agent.
Embodiment 3
[0022] The handle includes a composite spring whose upper end is fixed on the horizontal pole of the bus by screws and an elastic suspension ring connected to the lower end of the spring. The alloy spring is processed by the following components and ratio of raw materials: C: 0.5500%, Si: 2.6500%, Mn: 1.080%, P: 0.0190%, S: 0.0420%, Cr: 2.256%, Sc: 0.0308 %, Al: 0.0250%, N: 0.0060%, and the balance is Fe and unavoidable impurities. The elastic Eucommia gum is made according to the following components and proportions: 55 parts of Eucommia gum, 45 parts of rubber additive, 5 parts of sulfur, 3 parts of sulfur-containing accelerator, 3 parts of ZnO, 3 parts of CaO, 6 parts of resin modifier, carbon 55 parts of black, 3 parts of anti-aging agent.
[0023] The bus spring handle made of the above embodiments has excellent damping effect, can bear load and large deformation, has stable vibration mechanical performance, is safe to use, and has a long service life.
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