Shear-compression composite elastic wheel for low-floor tramcar
A technology for trams and elastic wheels, which is applied in the direction of wheels, wheels characterized by rail running parts, casting molds, etc., can solve the problem of limited effect of low-frequency radiation noise noise reduction, increasing rim modal density, and complex elastic wheel structure. and other problems, to achieve the effect of speeding up the preparation speed, reducing the unsprung mass, improving the cleaning efficiency and the dipping efficiency
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Embodiment 1
[0037] A shear-compression composite elastic wheel for a low-floor tram, such as figure 1 and figure 2As shown, it includes a wheel core 1a, a wheel rim 2a and a ground connection line 5a installed on the wheel core 1a and the wheel rim 2a. A U-shaped rubber layer 3a is fitted between the wheel core 1a and the tire rim 2a, and the U-shaped rubber The layer 3a is a continuous ring along the circumferential direction of the wheel. The outer surface of the side wall of the wheel core 1a is provided with a mounting groove along the circumferential direction. The pressure ring 4a is installed on the wheel core 2 through the threaded hole and the U-shaped rubber layer 3a through the first bolt 42a; the pressure ring 4a is provided with 2-4 ejection threaded holes 41a, and the ejection threaded holes 41a are used for assembling and disassembling the top. out the bolt;
[0038] A second bolt 7a and a third bolt 8a are respectively installed on the wheel core 1a and the tire rim 2a....
Embodiment 2
[0041] The preparation process of the wheel core and the tire is the same, and the specific preparation process is as follows:
[0042] In the first step, the molten paraffin is injected into a mold whose inner surface is coated with a release agent through a wax press, and then cooled and demolded to obtain a wax film. After the paraffin is injected, a wax film installation shaft is placed in the mold. After the paraffin is demolded, it is fixed on the installation shaft;
[0043] In the second step, the wax film is installed on the continuous casting and demolding production line through the installation shaft, and the mold shell is prepared by rotating on the production line. The four corners of the continuous demoulding production line are respectively provided with alkali cleaning cylinders, self-transfer paint bearing cylinders, adhesive Cementitious gypsum slurry carrier drum and hot water cooking tank, and between the lye cleaning drum and the self-transfer paint carri...
Embodiment 3
[0051] like image 3 , Figure 4 , Figure 5 , Image 6 , Figure 7 and Figure 8 As shown, the continuous casting and demoulding production line includes a carrier frame 1, four transmission gears 2 are installed on the top four corners of the carrier frame 1, and the four transmission gears 2 are connected by a transmission chain 3, and the outer side of the transmission chain 3 is installed at equal angles with Four fixing bars 31, the bottom surface of the fixing bars 31 is installed with a hydraulic cylinder 4, the bottom end of the hydraulic cylinder 4 is installed with an elastic rotating seat 5, and the wax film installation shaft is installed at the bottom of the elastic rotating seat 5;
[0052] The four corners of the surface of the bottom plate 11 of the carrier frame 1 are respectively placed with an lye cleaning cylinder, a self-transfer paint bearing cylinder, a cohesive gypsum slurry bearing cylinder and a hot water cooking box, and are located between the ...
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Abstract
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