Chain type dummy bar

A chain type dummy bar comprises a chain link, the chain link is connected with a dummy bar head assembly, the chain link comprises two sets of dummy bar chain links, each dummy bar chain link is provided with a dummy bar head chain unit, each dummy bar head chain unit comprises two hook inner chain plates, two hook outer chain plates and a first pin shaft connected with the two chain plates, and the hook inner chain plates and the hook outer chain plates are both trapezoidal. The dummy bar head assembly comprises a clamping hook and a supporting column, a first connecting hole and a second connecting hole are formed in the two ends of the clamping hook, and a third connecting hole and a fourth connecting hole are formed in the two ends of the supporting column. The first connecting hole and the third connecting hole are matched with an organic machining pin, the first shaft body is sleeved with the second connecting hole, the second shaft body is sleeved with the fourth connecting hole, and the supporting co