In this photo illustration, the Brookfield Infrastructure Partners company logo is seen displayed on a smartphone screen. Piotr Swat | Lightrocket | Getty Images Investors appreciate having dividend stocks in their portfolios as they provide a steady stream of income, even during periods of market volatility. Dividend-paying stocks can help cushion downside risk while offering consistent returns. Given the sheer number of stocks offering dividends, identifying the right ones is not always straightforward. Investors can turn to top Wall Street analysts and follow their insights as they pick dividend stocks that are backed by strong cash flows. Here are three dividend-paying stocks that are highlighted by Wall Street's top pros, as tracked by TipRanks, a platform that ranks analysts based on their past performance. Brookfield Infrastructure Partners L.P. Brookfield Infrastructure owns and operates a diversified portfolio of utilities, transport, midstream and data assets.…