Tunnel arch grab car is a mechanical equipment specially used for tunnel construction, mainly used for quickly and safely installing and removing tunnel arches. Arches are an important part of tunnel support structures. They can effectively support surrounding rocks and ensure the safe progress of tunnel construction.

   Arch grab car usually consists of a frame, a lifting mechanism, a telescopic arm, a gripper and other parts. The frame is the basis of the entire equipment. The lifting mechanism is responsible for driving the movement of the telescopic arm and the gripper. The telescopic arm can be extended to adapt to the installation of arches of different lengths, and the gripper is used to fix and grab the arch.

   In tunnel construction, the working principle of the arch grab car is as follows:

   First, the arch is transported to the designated location, and then the arch is lifted vertically using the lifting mechanism.

   Then, the telescopic arm is extended to move the arch to the predetermined installation position.

   Finally, the gripper grabs the arch to complete the installation or removal process.

   The advantage of the arch grab car is that it improves the installation efficiency and safety of the arch, reduces the labor intensity, and also reduces the construction risk. In addition, due to its easy operation, it can quickly adapt to the construction needs of tunnels of different diameters and lengths.

   When selecting and using an arch grabber, factors such as its load-bearing capacity, operational flexibility, and safety need to be considered to ensure that it can meet the specific needs of tunnel construction. At the same time, operators also need to receive professional training to ensure the correct and safe use of the equipment.