High-speed rail steel rail insulating elastic spacer
A technology of elastic sheets and rails, which is applied in the field of railway track circuits, can solve the problems of rubber gaskets such as low elastic modulus, insufficient impact resistance, and insufficient rigidity, and achieve large elastic modulus, good aging resistance, and ensure stability Effect
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specific Embodiment 1
[0028] Specific embodiment 1: as figure 1 figure 2 As shown, this embodiment discloses a high-speed rail rail insulating elastic sheet, including a bottom layer 1 and a surface layer 2. The surface layer 2 is an arc-shaped structure with a thick middle and thin sides, and the thickness in the middle of the elastic sheet is 10 mm. 1 has a thickness of 3mm.
[0029] The two ends of the high-speed rail insulating elastic sheet are provided with a convex layer 3, and the height of the convex part is 2mm. The surface layer 2 is provided with a textured structure, and the textured depth is 1mm. The textured structure can be It is in any shape, and the surface of the bottom layer 1 is provided with a groove structure.
[0030] The high-speed rail rail insulation elastic sheet is a glass fiber reinforced polyurethane material, and the preparation method is as follows:
[0031] Step 1: Preparation of prepreg, melting the resin matrix, coupling agent, and toughening agent in a melti...
specific Embodiment 2
[0036] Specific embodiment 2: as figure 1 figure 2 As shown, this embodiment discloses a high-speed rail rail insulating elastic sheet, including a bottom layer 1 and a surface layer 2. The surface layer 2 is an arc-shaped structure with a thick middle and thin sides, and the thickness in the middle of the elastic sheet is 15 mm. 1 has a thickness of 10mm.
[0037] The two ends of the high-speed iron rail insulating elastic sheet are provided with a convex layer 3, and the height of the convex part is 5 mm. The surface layer 2 is provided with a textured structure, and the textured depth is 5 mm. The textured structure can be It is in any shape, and the surface of the bottom layer 1 is provided with a groove structure.
[0038] The high-speed rail rail insulation elastic sheet is a glass fiber reinforced polyurethane material, and the preparation method is as follows:
[0039] Step 1: Preparation of prepreg, melting the resin matrix, coupling agent, and toughening agent in...
specific Embodiment 3
[0044] Specific embodiment 3: as figure 1 figure 2 As shown, this embodiment discloses a high-speed rail rail insulating elastic sheet, including a bottom layer 1 and a surface layer 2. The surface layer 2 is an arc-shaped structure with a thick middle and thin sides. The thickness in the middle of the elastic sheet is 12mm. 1 has a thickness of 7mm.
[0045] The two ends of the high-speed iron rail insulating elastic sheet are provided with a convex layer 3, and the height of the convex part is 3mm. The surface layer 2 is provided with a textured structure, and the textured depth is 3mm. The textured structure can be It is in any shape, and the surface of the bottom layer 1 is provided with a groove structure.
[0046] The high-speed rail rail insulation elastic sheet is a glass fiber reinforced polyurethane material, and the preparation method is as follows:
[0047] Step 1: Preparation of prepreg, melting the resin matrix, coupling agent, and toughening agent in a melti...
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