Assembled lamp holder structure of energy-saving tunnel lamp

The utility model relates to a tunnel lamp, in particular to a split mounting type lamp holder structure of an energy-saving tunnel lamp. The tunnel lamp comprises a lamp holder, the lamp holder is of a split structure, the lamp holder comprises a lamp panel and side supporting plates at the two ends of the lamp panel, the lamp panel is U-shaped, L-shaped inserting grooves in the width direction are formed in the two ends of the back face of the horizontal portion of the lamp panel respectively, and a first groove in the width direction is formed in the root of the vertical portion of the lamp panel; the side supporting plates are in an inverted F shape, the horizontal parts of the two side supporting plates are oppositely arranged, the inner horizontal parts of the two side supporting plates are inserted into the inserting grooves of the lamp panel, and protruding parts inserted into the first grooves are arranged on the outer side faces of the vertical parts of the side supporting plates. A power supply mod