Bridge Erector
Technical field
The invention belongs to the bridge construction construction field, be specifically related to a kind of Bridge Erector.
Background technology
At present, Bridge Erector comprises front leg strut, rear support leg, front support, rear support, crossbeam, and the hoisting trolley that can move along the crossbeam length direction and fortune beam dolly, in work progress, by front support, rear support is arranged on the bridge pier of having built, rear support leg adopts folding mode to be contracted in the end of crossbeam, front leg strut is set directly on ground, concrete front support, rear support plays the weight of main support Bridge Erector, adopt simultaneously two fortune beam dollies transporting and treat bridge, then will treat the two ends of bridge, the employing hoisting trolley is rolled, make and treat that bridge breaks away from fortune beam dolly, further under the effect of hoisting trolley, treat that bridge moves to the district that sets a roof beam in place, pass through again hoisting trolley, to treat that bridge is placed in the district that sets a roof beam in place, thereby realize setting up of bridge.
Yet, in above-mentioned bridge erection process, adopt fortune beam dolly and hoisting trolley jointly to promote to treat the traversing of bridge, there is very large defect in it:
At first, fortune beam dolly is difficult to synchronize with the translational speed of hoisting trolley, makes and treats the less stable of bridge on fortune beam dolly, and easily cause and treat rocking of bridge, thereby, when the afterbody feeding beam, make equipment job stability deficiency;
Secondly, need fortune beam dolly driver, at least also need an observer to carry out on-site supervision simultaneously, regulate the speed of service of fortune beam dolly, impel it with hoisting trolley, to synchronize, increase human cost;
By, the operating efficiency of setting a roof beam in place also Supreme Being relatively, cause the cost of bridge formation higher again.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, provides a kind of and improvedly can, when the afterbody feeding beam until bridge, make the Bridge Erector of equipment more stable work.
For solving above technical problem, the present invention takes following technical scheme:
A kind of Bridge Erector, it comprises front leg strut, rear support leg, front support, rear support, crossbeam, and the hoisting trolley that can move along the crossbeam length direction and fortune beam dolly, crossbeam is horizontally disposed with, hoisting trolley comprises the first hoisting trolley and second hoisting trolley that can be movably arranged on crossbeam, fortune beam dolly comprises the first fortune beam dolly and the second fortune beam dolly that is separately positioned on the two ends for the treatment of bridge, at the two ends, left and right for the treatment of bridge, be respectively equipped with the first fastener and the second fastener, on the first hoisting trolley and the second hoisting trolley, be respectively equipped with the first fastener and the second fastener and can dismantle the first connecting portion and the second connecting portion be connected, and the first hoisting trolley and the second hoisting trolley can be treated the bridge district by treating that bridge is sling and is transported to,
Particularly, the first hoisting trolley is positioned at the right side of the second hoisting trolley, and the first hoisting trolley also comprises be used to driving the first driving mechanism that the first hoisting trolley moves along the crossbeam length direction and the speed end controller of controlling the first driving mechanism;
The first fortune beam dolly and the second fortune beam dolly are separately positioned on the two ends, left and right for the treatment of the bridge bottom, and the first fortune beam dolly and the second fortune beam dolly are respectively equipped with the second driving mechanism and the 3rd driving mechanism;
The first hoisting trolley can be synchronized with the movement with the first fortune beam dolly.
According to concrete an enforcement or preferred aspect of the present invention, the first fortune beam dolly will treat the right-hand member of bridge be delivered to the first hoisting trolley under, the first connecting portion of the first hoisting trolley is connected with the second fastener, and the right-hand member that will treat bridge is sling, the speed end controller opens of the first hoisting trolley, the first driving mechanism quits work, and the first hoisting trolley and the first fortune beam dolly are synchronized with the movement.
Due to the enforcement of above technical scheme, the present invention compared with prior art has following advantage:
The present invention is synchronized with the movement by the first hoisting trolley and the first fortune beam dolly, thereby while guaranteeing the afterbody feeding beam until bridge, the equipment more stable work, save manpower simultaneously, also simplifies the structure of Bridge Erector, reduces the cost of building bridge.
The accompanying drawing explanation
Below in conjunction with accompanying drawing and specific embodiment, the present invention will be further described in detail:
Fig. 1 is for to look schematic diagram according to the master of Bridge Erector of the present invention;
Fig. 2 is for looking enlarged diagram (treating that bridge is positioned on fortune beam dolly) according to the left side of Bridge Erector of the present invention;
Fig. 3 is according to looking enlarged diagram (treating that bridge is positioned on hoisting trolley) in the left side of Bridge Erector of the present invention;
Wherein: 1, front leg strut; 2, rear support leg; 3, front support; 4, rear support; 5, crossbeam; 6, the first hoisting trolley; 60, the first connecting portion; 7, the second hoisting trolley; 70, the second connecting portion; 8, the first fortune beam dolly; 9, the second fortune beam dolly; 10, treat bridge; 11, the first fastener; 12, the second fastener.
The specific embodiment
As depicted in figs. 1 and 2, Bridge Erector according to the present embodiment, it comprises front leg strut 1, rear support leg 2, front support 3, rear support 4, crossbeam 5, and the hoisting trolley that can move along crossbeam 5 length directions and fortune beam dolly, its middle cross beam 5 is horizontally disposed with, hoisting trolley comprises the first hoisting trolley 6 and second hoisting trolley 7 that can be movably arranged on crossbeam 5, fortune beam dolly comprises the first fortune beam dolly 8 and the second fortune beam dolly 9 that is separately positioned on the two ends for the treatment of bridge 10, at the two ends, left and right for the treatment of bridge 10, be respectively equipped with the first fastener 11 and the second fastener 12, on the first hoisting trolley 6 and the second hoisting trolley 7, be respectively equipped with the first fastener 11 and described the second fastener 12 and can dismantle the first connecting portion 60 and the second connecting portion 70 be connected, and the first hoisting trolley 6 and the second hoisting trolley 7 can be treated the bridge district by treating that bridge 10 is sling and is transported to.
In this example, the first hoisting trolley 6 is positioned at the right side of the second hoisting trolley 7, and the first hoisting trolley 6 also comprises be used to driving the first driving mechanism that the first hoisting trolley 6 moves along crossbeam 5 length directions and the speed end controller of controlling the first driving mechanism; The first fortune beam dolly 8 and the second fortune beam dolly 9 are separately positioned on the two ends, left and right for the treatment of bridge 10 bottoms, and the first fortune beam dolly 8 and the second fortune beam dolly 9 are respectively equipped with the second driving mechanism and the 3rd driving mechanism; The first hoisting trolley 6 can be synchronized with the movement with the first fortune beam dolly 8 simultaneously, realizes treating the stable conveying of bridge 10.
Further, in order to realize that the first hoisting trolley 6 can be synchronized with the movement with the first fortune beam dolly 8, the first fortune beam dolly 8 will treat the right-hand member of bridge 10 be delivered to the first hoisting trolley 6 under, the first connecting portion 60 of the first hoisting trolley 6 is connected with the second fastener 12, and the right-hand member that will treat bridge is sling, the speed end controller opens of the first hoisting trolley 6 now, the first driving mechanism quits work, and the first hoisting trolley 6 and the first fortune beam dolly 8 are synchronized with the movement.
The Bridge Erector specific works of the present embodiment is as follows:
Effect at the second driving mechanism and the 3rd driving mechanism, first fortune beam dolly 8 drive the second fortune beam dollies 9 are being carried and are being treated that bridge 10 is to treating that the bridge district moves, when the right part until bridge 10 move to the first hoisting trolley 6 under the time, by the first connecting portion 60 of the first hoisting trolley 6 and the relative snap close of the second fastener 12, and then will treat that by the first hoisting trolley 6 right-hand member of bridge 10 slings, make the right-hand member for the treatment of bridge 10 throw off the second fortune beam dolly 9, control simultaneously the speed end controller opens of the first driving mechanism, the first driving mechanism quits work, by the second driving mechanism work, the first fortune beam dolly 8 promotes to treat that bridge 10 and the first hoisting trolley 6 are to treating that the bridge district moves, now, the first hoisting trolley 6 and the first fortune beam dolly 8 are synchronous, when the left part until bridge 10 move to the second hoisting trolley 7 under the time, stop the second driving mechanism work, by the second connecting portion 70 of the second hoisting trolley 7 and the relative snap close of the first fastener 11, and then will treat that by the second hoisting trolley 7 left end of bridge 10 slings, the closing high-speed side controller, again open the first driving mechanism, by the first hoisting trolley 6 and the second hoisting trolley 7 along the length direction of crossbeam 5 will treat bridge 10 be delivered to treat the bridge district directly over, then put down and treat bridge 10 and by the first fastener 11 and the second connecting portion 70, the second fastener 12 and the first connecting portion 60 are triped, thereby complete the processing for the treatment of bridge 10.
To sum up, the present invention is synchronized with the movement by the first hoisting trolley and the first fortune beam dolly, thereby while guaranteeing the afterbody feeding beam until bridge, the equipment more stable work, save manpower simultaneously, also simplifies the structure of Bridge Erector, reduces the cost of building bridge.
Above the present invention is described in detail; its purpose is to allow the personage who is familiar with this art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; the equivalence that all Spirit Essences according to the present invention are done changes or modifies, and all should be encompassed in protection scope of the present invention.