Walking type incremental launching device and bridge incremental launching construction method using same
A jacking device and walking-type technology, which is applied to bridge construction equipment and its bridge construction field, can solve problems such as cost increase, and achieve the effects of reducing bridge construction cost, facilitating monitoring and control, and reasonable stress on the overall structure
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[0016] Embodiment 1: A walking type pushing device, such as Figure 1-1~Figure 1-4 As shown, the walking type jacking device includes five parts: a sliding box 1, a slideway 2, a translation jack 3, a jacking jack 4, and a deviation correcting jack assembly 5.
[0017] The sliding box 1 is a quadrilateral carrying body, which is composed of four identical sliding box main units 11 located at the 4 corners of the frame and two transverse sliding box main connecting bodies 121 connected to the sliding box main unit 11 (see Figure 2-1~Figure 2-4 ); Each of the sliding box main unit 11 includes a sliding box main steel structure 111, a stainless steel plate 112, a push lug 113 and a translation guide plate 114, the sliding box main steel structure 111 of the sliding box main unit 11 is composed of 4 hollow The frame is assembled into a hollow steel frame, including a load-bearing part 111a composed of a right-angled trapezoid in cross section and a hollow frame with a rectangular cross...
Example Embodiment
[0025] Embodiment 2: A method of bridge jacking construction-a walking type jacking method for installing the main girder section of the bridge, which uses the walking type jacking device described in Embodiment 1 of the present invention to perform the bridge main girder section (this implementation) For example, a steel box girder) method of assembling segments and pushing them into place as a whole includes the following steps (see Figure 9-1~Figure 9-5 ): A. Install the jacking device VI (see Figure 9-1 ): Assemble the jacking device VI and the pad beam I on the jacking device installation platform VII of the pier; B, jacking steel box girder II (see Figure 9-2 ): The jacking jack IV extends the cylinder to the set stroke through the control system, jacking up the entire jacking device and the steel box girder II, a distance away from the backing beam I; C, the steel box girder II is pushed forward (see Figure 9-3 ); Through the control system to synchronously control the ...
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