The utility model provides an injection pump gear apron of making an uproar falls in integrated form, include one the apron body, sensor mounting bore has been seted up on the apron body, correspond on the apron body sensor mounting bore has seted up in the place ahead the sensor and has observed the hole, the apron body is made by engineering plastics. The utility model discloses the sensor simple installation, the apron quality is light, and intensity is high, has and falls the function of making an uproar.