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The application provides a design method of a reverseable gas turbine sliding bearing tile oil supply device, which comprises the following steps: S1, giving design input; S2, determining the number n of oil supply pipes; S3, determining the diameter phi of the oil supply pipes; S4, determining the positioning size L and alpha of the nozzle; S5, determining the diameter d and the spacing L of the nozzle; S6, calculating the oil flow; and S7, processing the reverseable gas turbine sliding bearing tile oil supply device meeting the design. K The design method scheme is reasonable, the design flow is clear, the guidance is strong, and the efficiency of the reverseable gas turbine sliding bearing tile oil supply device is greatly improved. The application is used in the domestic reverseable gas turbine sliding bearing design for the first time, and has very important reference value in the future gas turbine sliding bearing design.

This invention discloses a heat exchanger assembly device and its usage method for installing flat tubes and fins. The heat exchanger assembly device includes an assembly platform, a flat tube assembly structure, a manifold assembly fitting, and fasteners. During assembly, the flat tubes are first placed stably along the length of the first groove to form the lower layer of flat tubes. Then, flat tubes are placed along the same length of the first groove, ensuring the newly placed flat tubes are precisely positioned above the lower layer to form the upper layer. For assembling a single-row heat exchanger, only the comb plate adapted for the single-row heat exchanger needs to be replaced. After forming a single layer of flat tubes, fins are placed directly between adjacent single-layer flat tubes, and the subsequent fixing and assembly process is the same. This assembly method eliminates the need to replace the heat exchanger assembly device, flexibly enabling the installation of both double-row and single-row heat exchanger tubes, effectively improving the applicability and efficiency of the heat exchanger assembly device, and reducing assembly costs.