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JZF noise reduction expansion and contraction installation
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JZF noise reduction expansion and contraction installation
brief introduction
Noise reduction type expansion device is a kind of environmental protection type expansion device developed by our company, it can reduce the noise when the vehicle through the telescopic device 70%, reducing noise and expansion device is applicable to the design load for the straight bridge, highway grade I curved bridge, skew bridge, bridge slope and other various types of bridges, especially suitable for the city city overpass, viaduct. It has strong interchangeability, easy maintenance and so on.
Structure composition
The noise reduction type expansion device is composed of two parts: the main body of the telescopic device and the noise reduction plate. The noise reduction plate is connected with the telescopic device type steel through the bolt.
Principle of noise reduction
When the gap between the steel and steel vehicle through the telescopic device when the wheels directly impact type steel, the formation of noise; noise reduction design in special shape, changing the wheel cut expansion device, which is straight cut into oblique cut, reduce the direct impact on steel, reduce the noise proves that noise reduction expansion device can reduce vehicle noise by 70%.
Specification model
Model: E - JZF
JZF- noise reduction slit
E- represents the volume size
Specification: JZF series telescopic device is divided into 160mm, 240mm, 320mm,, 400mm, 480mm, 560mm, 640mm,, 720mm, 800mm.1280mm, a total of fifteen levels.
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TSSF railway bridge expansion and contraction installation
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TEL:028-82511538 028-82491027 FAX:028-82511338
ADD：No.99 Xinhuajiulu Road,Zone B,Xinjin Industrial Centralized Development District
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