Grinding simulation test device and method for steel turnout rail of rail transit

A grinding simulation test device for a steel turnout rail of rail transit, comprising:

• a rotary unit, comprising a grinding tool rotary mechanism, a temperature monitoring mechanism and a turnout grinding tool;
• wherein a movable end of the grinding tool rotary mechanism is detachably connected to the turnout grinding tool through a torque sensor, to thereby drive the turnout grinding tool to rotate and monitor a torque;
• and the temperature monitoring mechanism is configured to monitor temperatures during a grinding process;
• a reciprocating unit, wherein a movable end of the reciprocating unit is connected to the rotary unit, to thereby drive the rotary unit to feed transversely;
• a turnout swinging unit, disposed opposite to the rotary unit, wherein the turnout swinging unit comprises a steel rail frame and an angle adjusting mechanism, the steel rail frame is disposed on a movable end of the angle adjusting mechanism, the steel rail frame is configured to mount the steel turnout rail, and the angle adjusting mechanism is configured to adjust a grinding angle of the steel turnout rail;
• and
• a pressurizing unit, wherein a movable end of the pressurizing unit is connected to the turnout swinging unit, and the pressurizing unit is configured to elastically push and output a load to provide a contact force between the steel turnout rail and the turnout grinding tool and monitor the contact force;
• and
• a feeding unit, wherein the feeding unit comprises a first platform, a carriage mechanism and a longitudinal feeding mechanism;
• the carriage mechanism is disposed on the first platform and connected to the pressurizing unit;
• a movable end of the longitudinal feeding mechanism is connected to the turnout swinging unit and the pressurizing unit to drive the turnout swinging unit and the pressurizing unit to feed longitudinally;
• wherein the angle adjusting mechanism comprises an adjusting assembly, a fixing assembly and a motion steering assembly;
• the adjusting assembly comprises steel rail frame support plates, a swinging support frame and an arc-shaped rack;
• the swinging support frame is connected to the steel rail frame support plates, the steel rail frame is rotatably connected to inner sides of the steel rail frame support plates, and the arc-shaped rack is disposed on a top of the swinging support frame;
• the fixing assembly comprises a steering rod, a rack meshing block, a steering handle, a tension spring and a spring fixing block;
• the rack meshing block is sleeved on the steering rod, a bottom of the steering rod is connected to the spring fixing block, the steering handle is disposed on the rack meshing block, an end of the tension spring is connected to the spring fixing block, another end of the tension spring is connected to the rack meshing block, and the steering rod is rotatably connected to the swinging support frame;
• and
• an input end of the motion steering assembly is connected to the steering rod, an output end of the motion steering assembly is connected to the steel rail frame, and the motion steering assembly is configured to rotate the steering rod and transmit rotation of the steering rod to the steel rail frame to thereby drive the steel rail frame to rotate;
• wherein the carriage mechanism comprises a lower carriage fixed to the first platform and an upper carriage movably coupled to the lower carriage;
• and the upper carriage is configured to support the turnout swinging unit and the pressurizing unit;
• and
• wherein the longitudinal feeding mechanism comprises a ball screw mechanism, a first bevel gear, a second bevel gear, a transmission rod shaft seat, a feeding transmission rod, and a feeding handwheel;
• the transmission rod shaft seat is installed and fixed on the first platform;
• the feeding transmission rod passes through the transmission rod shaft seat;
• the feeding handwheel is disposed on an end of the feeding transmission rod, and the second bevel gear is disposed on another and of the feeding transmission rod;
• the ball screw mechanism passes through the lower carriage to be connected to the upper carriage;
• and the feeding handwheel is configured to, by adjusting a relative position of the upper carriage relative to the lower carriage, adjust an initial position of the steel turnout rail.