Quick-change cutter holder, milling drum and milling machine: Fid-Bau Portal

Quick-change cutter holder, milling drum and milling machine

ZHOU YOU

The invention relates to the technical field of pavement processing machinery, in particular to a quick-change cutter holder, a milling drum and a milling machine, a first pressing surface is arranged on the periphery of a fixed handle, and a first connecting hole and a second connecting hole which are communicated with each other are formed in a cutter holder; a locking piece is movably connected in the first connecting hole, a wedge-shaped pin shaft which can abut against the locking piece is arranged in the second connecting hole, and the wedge-shaped pin shaft is provided with a second pressing face which can be in mutual extrusion contact with the first pressing face. According to the invention, the tool apron and the gear sleeve are connected simply and stably; during working, almost all loads are borne by the wedge-shaped pin shaft, the loads dispersed to the locking piece can be ignored, the locking piece cannot deform, the position of the wedge-shaped pin shaft can be effectively kept, and therefore reliable connection between the tool apron and the gear sleeve is maintained. When the tooth sleeve and the tool apron need to be disassembled for maintenance, the locking piece is disassembled, the wedge-shaped pin shaft is disassembled, the fixing handle is pulled out of the first mounting hole, and convenience and rapidness are achieved.

本发明涉及路面加工机械的技术领域，更具体地，涉及一种快换式刀具夹持器、铣刨鼓及铣刨机，固定柄外周设有第一压紧面，刀座开设有相互连通设置的第一连接孔和第二连接孔；第一连接孔内活动连接有锁紧件，第二连接孔内设有可与锁紧件相互抵紧的楔形销轴，楔形销轴设有可与第一压紧面相互挤压接触的第二压紧面。本发明中，刀座和齿套的连接操作简单，连接稳定；工作时所受载荷几乎全部由楔形销轴承受、分散到锁紧件的载荷可以忽略不计，锁紧件不会发生变形，可有效保持楔形销轴的位置从而维持刀座和齿套之间的可靠连接；在需要拆除齿套和刀座进行维护时，拆除锁紧件，拆出楔形销轴，固定柄从第一安装孔内拔出即可，方便快捷。

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