The invention provides a novel fixed combination type elevator which comprises a platform, inner arms, outer arms, dual-driving oil cylinders, cross shafts, upper supporting lugs, lower supporting lugs and an underframe, wherein each of the inner arms is connected with the corresponding outer arm by a pin shaft; each of the inner arms is connected with the corresponding upper supporting lug by a pin shaft; each of the outer arms is connected with the corresponding lower supporting lug by a pin shaft; the upper supporting lugs are fixed on the platform by bolts; the lower supporting lugs are fixed on the underframe by bolts; every two parallel inner arms are connected with each other by the corresponding cross shaft; two ends of each of the dual-driving oil cylinders are respectively connected with two cross shafts.