Concrete pavement wet joint cutting device: Fid-Bau Portal

Concrete pavement wet joint cutting device

XIAO JUNHUA / CHENG XIAOLIANG / WAN JIAKAI

The invention discloses a concrete pavement wet joint cutting device which comprises a transverse guide rail, liftable support structures arranged at the two ends of the guide rail and a concrete wet cutting machine installed in the middle of the guide rail. The concrete wet cutting machine comprises a machine frame, a walking mechanism, a cutter head and a cutting motor. A walking mechanism capable of walking along the guide rail is mounted on the rack; the cutter head is located on the lower portion of the rack, the middle of the cutter head penetrates through the rotating shaft, one end of the rotating shaft is connected with the rack, the other end of the rotating shaft is connected with the cutting motor installed on the rack, and the cutting motor drives the cutter head to rotate through the rotating shaft. Sponge blocks adsorbed with a separant are symmetrically arranged on the two sides of the cutter head, and the cutter head is tightly attached to the inner sides of the two sponge blocks. The wet joint-cutting device has the beneficial effects that the surface of the cutter head is coated with an isolating agent, the surface of a joint is coated with the isolating agent when the cutter head cuts the joint, concrete on the two sides of the joint is in contact but not bonded, cracks generated when a concrete pavement serves are extremely small, the waterproof capacity of the pavement is high, and the service life is long.

本发明公开了一种混凝土路面湿切缝装置，包括横向的导轨、设于在导轨两端的可升降的支架结构，以及安装在导轨中部的混凝土湿切机；所述混凝土湿切机包括机架、行走机构、刀盘及切割电机；所述机架上安装有设有可沿导轨行走的行走机构；所述刀盘位于机架的下部，刀盘中部穿过旋转轴，旋转轴的一端与机架相连，旋转轴的另一端与安装在机架上的切割电机相连，切割电机通过旋转轴带动刀盘转动；在刀盘两侧对称设吸附有隔离剂的海绵块，刀盘与两海绵块的内侧紧贴。本发明的有益效果为：本发明所述湿切缝装置在刀盘表面涂抹隔离剂，刀盘切缝时在切缝表面涂抹隔离剂，让切缝两侧混凝土接触但不粘接，这种混凝土路面在服役时产生的裂缝极小，路面防水能力较强，服役寿命长。

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