Ultra-high pressure automatic oiling device
An automatic oil injection and ultra-high pressure technology, which is applied in fluid pressure converters, metal processing, metal processing equipment, etc., can solve the problems of reduced wheel and axle performance indicators, inability to adapt to high-speed trains, unfavorable wheel maintenance, etc., to improve product quality and stability performance, reduced scrap rate, and reduced power requirements
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[0026] The present invention is further described in conjunction with accompanying drawing:
[0027] As shown in Figure 2, 8 is the oil injection groove, and 9 is the oil injection hole; firstly, an oil injection groove is opened on the edge of the wheel hub, and an oil injection hole is drilled, and ultra-high pressure hydraulic oil is injected during the press-fitting process to expand the wheel hub, and in the wheel, A layer of oil film is formed on the joint surface of the shaft, and the rear wheel is pressed into the shaft without wear. After unloading, the hub is restored to achieve no wear and tear. The same is true when the wheel is withdrawn.
[0028] The working principle is shown in Figure 3:
[0029] 1 is a motor, 2 is an oil return filter, 3 is a supercharger, 4 is an oil outlet, 5 is an electromagnetic reversing valve, 6 is an electromagnetic overflow valve, and 7 is a gear pump.
[0030] The motor drives the gear pump to rotate to generate pressure oil. When th...
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