Method for installing and adjusting rail vehicle rotating arm type shaft box positioning spring

The invention relates to a method for installing and adjusting a rail vehicle rotating arm type shaft box positioning spring, which comprises the following steps: during the installation, installing a clamping and positioning thread sleeve (12), a clamping bolt (13) and an installing, clamping and positioning sleeve (15), finishing the installation of a shaft box rotary arm under the situation that the specified working heights of circular springs (1) and (2) are kept, disassembling the clamping bolt (13) and the installing, clamping and positioning sleeve (15) after the falling-off of the entire vehicle and connecting an adjusting, clamping and positioning sleeve (16) onto a framework spring seat (9) through threads; and during the adjustment, penetrating the clamping bolt (13) through the adjusting, clamping and positioning sleeve (16) to be propped against the clamping and positioning thread sleeve (12), ensuring that the working heights of the rotary arm positioning circular springs (1) and (2), a spring