System and construction method for head turn and translation of shield trolley
A technology of shield trolley and translation system, which is used in earth-moving drilling, mining equipment, tunnels, etc., can solve the problems of inability to precisely control the turning path, affecting construction safety and progress, and large uncertainty, and achieves the ability to turn around. The effect of flexibility, practicability and precise control
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[0042] combined with Figure 1~6 , the invention discloses a multifunctional shield trolley U-turn and translation system comprising three parts: U-turn flat 1, pulley block device 2, and limit fixing device 3.
[0043] The U-turn platform 1 is composed of a base 11 and a door frame 12 . The base 11 is composed of a contact plate 111 , a jack slot 112 , a rib 113 and a traction hole 114 . The contact plate 111 is integrally spliced by a plurality of steel plates, and the joints are welded and fixed. The jack slot 112 is fixed on the upper surface of the contact plate 111 by welding a rectangular slot box with a steel plate. The ribs 113 are elongated steel plates, which are welded on the upper surface of the contact plate 111 around the sides. The traction hole 114 is reserved in the angle area between the rib 113 and the wall of the jack slot 112 ; the door frame 12 is composed of a stirrup 121 , a platform track 122 , an overlapping beam 123 and a connecting plate 124 ....
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