English Translation
This lamp is too heavy to lift.
들어올리기 is a compound verb made up of the following parts:
들어: the verb form of 들다, meaning "to lift up" or "to raise"
올리기: the verb stem of 올리다, meaning "to bring up" or "to lift up"
Therefore, 들어올리기 means “to lift up and bring up” or “to hoist up”. In the sentence “이 램프는 들어올리기에는 너무 무겁습니다”, it is used to mean “to lift up (and install)” or “to hoist up (and install)”, indicating that the lamp is too heavy to be lifted and installed.