Rotating guide vane module for hydraulic working condition adjustment and method of assembling in turbopump

A turbopump with a rotating guide vane module for hydraulic working condition adjustment, the rotating guide vane module for hydraulic working condition adjustment comprising a rotating guide vane module (14), wherein the rotating guide vane module (14) comprises a rotating guide vane back cover plate (1), a rotating guide vane front cover plate (2), a rotating guide vane drive gear (3), and rotating guide vanes (4);

• the rotating guide vane back cover plate (1) is ring-shaped, and the rotating guide vane front cover plate (2) is ring-shaped;
• each rotating guide vane (4) is an integrally-formed independent component and comprises a rotating guide vane back seat (6), a blade (7), a rotating guide vane front seat (8), and a shaft (9);
• the rotating guide vane back seat (6) and the rotating guide vane front seat (8) are cylindrical;
• the blade (7) is sheet-shaped;
• the blade (7) is located between the rotating guide vane back seat (6) and the rotating guide vane front seat (8);
• the shaft (9) is connected with the rotating guide vane front seat (8);
• the central axis of the rotating guide vane back seat (6), the central axis of the rotating guide vane front seat (8), and the central axis of the shaft (9) are coaxial;
• a first slot for mounting the rotating guide vanes (4) is formed in the rotating guide vane back cover plate (1);
• second slots (26) for matching with the mounting of the rotating guide vane front seats (8) and through holes for allowing the penetration of the shafts (9) are formed in the rotating guide vane front cover plate (2);
• the rotating guide vane drive gear (3) is located at the end parts of the shafts (9);
• a keyslot is formed in each shaft (9), and a rotating guide vane connecting key (5) is inserted into the keyslot;
• the rotating guide vane drive gear (3) is connected with the shafts (9) through the keyslots and the rotating guide vane connecting keys (5),
• wherein the turbopump comprises a center gear screw cap (10), a center gear (11), a turbine side cover plate (12), a turbine side cover plate sealing ring (13), the rotating guide vane module (14), a turbine volute locating pin hole (15), a device shell (16), bolts (17), an end face friction thrust bearing (18), a turbine impeller (19), a turbine volute module (20), a rotating guide vane locating pin hole (21), rotating guide vane front sealing rings (22), a rotating guide vane back sealing ring (23), a volute diversion block (24), and a turbine side inlet (25);
• wherein the device shell (16), the turbine volute module (20), the rotating guide vane module (14), the turbine impeller (19), and the end face friction thrust bearing (18) are sequentially combined from the exterior to the interior;
• the turbine volute module (20) is inserted into an inner side of the device shell (16);
• the rotating guide vane module (14) is inserted into an inner side of the turbine volute module (20);
• the end face friction thrust bearing (18) is located on the outer side of the turbine impeller (19);
• the turbine impeller (19) and the end face friction thrust bearing (18) form end face friction contact.