The judge of the superior court of the county of a spouse's domicile may at any time, upon petition, exercise equitable powers in appointing, removing, or substituting trustees or in granting any order for the protection of the trust estate, exercising a wise discretion as to the terms on which the appointment shall be made or on which the order shall be granted. The proceeding in each case shall be transmitted to the clerk of the superior court, to be recorded in the book of the minutes of the court.