Bridge erecting machine

A bridge erecting machine and front outrigger technology, applied in the erection/assembly of bridges, bridges, bridge construction, etc., can solve problems such as structural design defects, poor stability and reliability, affecting normal use, etc., to facilitate bridge erection, stable and reliable. High and extended range of motion

Inactive Publication Date: 2015-08-26
WUXI XIEXING PORT MACHINERY
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AI-Extracted Technical Summary

Problems solved by technology

[0003] As we all know, most of the bridge erecting machines work at high altitudes, so their stability and reliability are important indicators to measure the performance of the ...
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Abstract

The invention discloses a bridge erecting machine. The bridge erecting machine comprises a main girder, a large vehicle track, a rear landing leg, a front landing leg, an auxiliary landing leg and hoisting mechanisms, wherein one end of the large vehicle track is arranged on a first supporting pile; the rear landing leg is arranged at the rear part of the main girder and is arranged on the large vehicle track, and jacking horizontal movement supporting assemblies are arranged on the rear landing leg; one end of the front landing leg is arranged on a second supporting pile, the other end of the front landing leg is arranged on the main girder, and a horizontal movement mechanism is arranged on the front landing leg; a bended supporting girder is connected to the front end of the main girder, and the bended supporting girder extends to the inner side of the main girder; one end of the auxiliary landing leg is arranged on the bended supporting girder, and the other end of the auxiliary landing leg is arranged on a third supporting pile. According to the bridge erecting machine, the bended supporting girder is additionally arranged at the end of the main girder, so that the stability and the reliability are improved; the hoisting mechanism can operate to the front end of the bended supporting girder along the main girder, so that the moving range of a lifting girder piece is enlarged, and a bridge is convenient to erect.

Application Domain

Technology Topic

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  • Bridge erecting machine

Examples

  • Experimental program(1)

Example Embodiment

[0015] The technical solutions of the present invention will be further described below in conjunction with the drawings and specific implementations.
[0016] See figure 1 As shown, figure 1 It is a schematic structural diagram of the bridge erecting machine provided in the first embodiment of the present invention.
[0017] In this embodiment, a bridge erecting machine includes a main beam 1, a cart rail 2, a rear support leg 3, a front support leg 4, an auxiliary support leg 5, and two lifting mechanisms 6 for lifting beams. The two lifting mechanisms 6 are movably arranged on the main beam 1. The main beam 1 is formed by splicing several sections with each other through fixing pins, and one end of the cart rail 2 is arranged on the first supporting pile 7 , The rear section of the main beam 1 is provided with a rear leg 3, the rear leg 3 is provided on the cart track 2, and the rear leg 3 is provided with a jacking and transversal support assembly 8, One end of the front leg 4 is set on the second supporting pile 9, and the other end is set on the main beam 1, and the front leg 4 is provided with a transverse movement mechanism 10, and the front end of the main beam 1 The bending support beam 11 is connected with the bending support beam 11, and the bending support beam 11 extends to the inner side of the main beam 1. The front ends of the bending support beam 11 and the main beam 1 are both provided with connecting flanges, and the two pass The connecting flange and the connecting bolt are detachably connected. One end of the auxiliary leg 5 is set on the bending support beam 11, and the other end is set on the third support pile 12.
[0018] A leg cross beam 13 is connected to the top of the front leg 4, a variable span support guide structure 14 is provided between the main beam 1 and the leg cross beam 13, and the bottom of the front leg 4 is connected to the leg cross beam. A hydraulic support rod 15 is provided between the outer ends of the 13, and an auxiliary pull rod 16 is connected between the middle part of the front leg 4 and the leg cross beam 13.
[0019] The above embodiments only illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above examples. Without departing from the spirit and scope of the present invention, the present invention has various changes and changes, and these changes and changes fall within Within the scope of the claimed invention. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.
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Description & Claims & Application Information

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