An electric self-elevating girder trolley for erecting the main girder of a suspension bridge
A suspension bridge, self-lifting technology, applied in suspension bridges, bridge construction, erection/assembly of bridges, etc., can solve the problem that the influence of slings can no longer be eliminated, and achieve the effect of reducing interference, reducing operating costs, and avoiding interference.
Active Publication Date: 2019-01-08
GUANGXI UNIV +1
View PDF8 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
The beam transport trolley adopts an integral structure. After the sling is connected to the main beam, the beam transport trolley will be located in the middle of the two slings, and the influence of the sling can no longer be eliminated, and then it will return to the shore to transport the beam
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment
[0029] Such as Figure 1-Figure 5 , an electric self-elevating girder transport trolley for erecting the main girder of a suspension bridge, the girder transport trolley slides on the rail cable 12 using a rail cable sliding method, and is used for transporting the beam segment 4. The beam transport trolley is composed of two symmetrically arranged trolley assemblies, the distribution beams 1 of the two symmetrically arranged trolley assemblies are connected by a first pin shaft 3, and the first pin shaft 3 is connected to the beam segment 4 connect. In this embodiment, the distribution beam 1 is a rectangular distribution beam, and the rectangular distribution beam is connected to the cable-bearing block 22 of the pulley mechanism 2 through the screw in the worm-wheel-screw lifter 10 .
[0030] Each trolley assembly includes a distribution beam 1 and a pulley mechanism 2, the pulley mechanism 2 is arranged on both ends of the distribution beam 1, and the track rollers 211 of...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses an electric self-lifted girder transporting trolley used for erecting of a suspension bridge girder, and belongs to the technical field of bridge erection equipment. The girder transporting trolley is composed of two symmetrically-arranged trolley assemblies. Distributive girders of the two symmetrically-arranged trolley assemblies are connected through a first pin shaft connected with girder sections. Each trolley assembly comprises one distributive girder and pulley mechanisms arranged on the two end faces of the distributive girder, wherein rail cable rollers of the pulley mechanisms are all located above the distributive girder and located in the same horizontal plane, and the pulley mechanisms are connected with a rail cable. Each pulley mechanism is further provided with a worm wheel and screw lifter and an electric control cabinet connected with the worm wheel and screw lifter. By adoption of the electric self-lifted girder transporting trolley, horizontal transporting can be achieved, and the girder sections can also be lifted perpendicularly; and the trolley is designed to be of two half structures capable of being fast separated and connected, the trolley leaves the positions where the girder sections are installed after the girder sections are installed in place, and suspender interference to the installed girder sections is avoided.
Description
technical field [0001] The invention relates to the technical field of bridge erection equipment, in particular to an electric self-elevating girder transport trolley used for erecting the main girder of a suspension bridge. Background technique [0002] The main girder of the long-span suspension bridge is processed into segments by the factory or on the shore, and then segmentally assembled. Generally, the segment is transported to the position to be hoisted by means of water transportation (shipping), and then the construction is carried out by using the cable-loaded crane to move vertically or at a small angle. The current cable-mounted crane can only be positioned and hoisted on the main cable of the suspension bridge, but cannot lift the beam section and walk with the beam section, that is, it can only lift the height and cannot move in the horizontal plane. [0003] When the canyon suspension bridge has no water transport conditions and cannot be transported by water...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): E01D21/00E01D11/02
CPCE01D11/02E01D21/00
Inventor 邓年春
Owner GUANGXI UNIV