Expression pull rod, point switch comprising same and point switch mounting device

The utility model discloses an indication pull rod, a point switch comprising the indication pull rod and a point switch mounting device. The indication pull rod can feed back the position of the movable point rail to the interior of the switch machine and comprises an indication connector plate, connector iron, a first indication connecting rod, an adjusting threaded sleeve, a second indication connecting rod and a rod connector. One end of the indication joint plate is connected with the movable point rail, the other end is connected with the first indication connecting rod through the joint iron, and the adjusting screw sleeve is connected with the first and second indication connecting rods through left and right hand threads on two sides respectively; one end of the rod joint is connected with a point switch indication rod, and the other end of the rod joint is internally provided with a joint bearing and is connected with the second indication connecting rod through a bolt pin. The pull rod further comp