An automatic reversing-reposition rocker arm includes a rocker arm body, and the rocker arm body is a steel box beam. A rocker arm pivoting shaft is attached on a middle of the body. The rocker arm body has a ballast tank, a water inlet, and a water outlet. The ballast tank is located in a back end
An automatic reversing-reposition rocker arm includes a rocker arm body, and the rocker arm body is a steel box beam. A rocker arm pivoting shaft is attached on a middle of the body. The rocker arm body has a ballast tank, a water inlet, and a water outlet. The ballast tank is located in a back end of the rocker arm body. The water inlet is located in an upper edge of the ballast tank. The water outlet is located in a lower edge of the ballast tank. A left side and a right side of a lengthwise forth end of the rocker arm pivoting shaft match each other, and a plurality of connecting devices are attached on the forth end of the rocker arm body. A plurality of gas-liquid buffers connects with the rocker arm body via the connecting devices.
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1. An automatic reversing-reposition rocker arm comprising a rocker arm body, the rocking body arm being a steel box beam, a rocker arm pivoting shaft attached on a middle of the rocker arm body, the rocker arm body having a ballast tank, a water inlet, and a water outlet, the ballast tank located i
1. An automatic reversing-reposition rocker arm comprising a rocker arm body, the rocking body arm being a steel box beam, a rocker arm pivoting shaft attached on a middle of the rocker arm body, the rocker arm body having a ballast tank, a water inlet, and a water outlet, the ballast tank located in a back end of the rocker arm body, the water inlet located in an upper edge of the ballast tank, the water outlet located in a lower edge of the ballast tank, a plurality of connecting devices spacedly attached on a left side and a right side of a lengthwise forward end of the rocker arm body, a plurality of gas-liquid buffers correspondingly connected with the rocker arm body via the connecting devices; wherein on each of the back and forward ends of said rocker arm body, one lifting eye is welded, the lifting eye being a steel tube, and the lifting eye at the back end of the rocker arm body used as a water inlet communicating with the ballast tank, the lifting eye at the forward end of the rocker arm body being a steel tube or steel shaft. 2. The automatic reversing-reposition rocker arm as claimed in claim 1, wherein a capacity of said ballast tank is 14-16 tons. 3. The automatic reversing-reposition rocker arm as claimed in claim 1, wherein the capacity of the ballast tank is based on the launching volume, shape, self-weight and the center-of-gravity position of the rocker arm. 4. The automatic reversing-reposition rocker arm as claimed in claim 1, wherein each connecting device of the gas-liquid buffer includes an U-shape frame, in which two side toggle plates welded on the rocker arm body, a middle of a bottom panel of the U-shape frame having a through hole, a plurality of screw holes defined around the through hole and correspondingly aligned with a plurality of holes defined in the gas-liquid buffers, the gas-liquid buffers provided in the through holes of the middle, and a binding bolt passing through one of the holes of the gas-liquid buffers and the corresponding screw hole so as to fix the gas-liquid buffers to the bottom panel of the U-shape frame. 5. The automatic reversing-reposition rocker arm as claimed in claim 1, wherein said rocker arm body is bilateral symmetry about a Y-axis.
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이 특허에 인용된 특허 (3)
Dysarz Edward D. (11423 Triola La. Houston TX 77072), Device and method to set and salvage structures.
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