CN214613613U - Bridge deck hoisting equipment - Google Patents

Abstract

The utility model provides a decking lifting device, include the shifter, erect in bailey frame on the shifter is with locating on the bailey frame and be used for lifting by crane the hoisting accessory of decking, and with the shifter is connected and is used for the drive the draw gear that the shifter removed. The utility model provides a decking lifting device adopts beret frame as the davit, through configuration shifter, hoisting accessory and draw gear alright hoist and mount the aversion to the decking, simple structure and volume are less, require lowly to the operation space, can draw materials at the bridge job site and assemble the use, with low costs and be favorable to improving the efficiency of construction.

Description

Bridge deck hoisting equipment

Technical Field

The utility model relates to a bridge construction equipment field especially relates to a decking lifting device.

Background

At present, with the remarkable promotion of the industrialization process of bridges, the bridge is spliced in a combined mode of a prefabricated bridge deck and a steel-concrete composite beam, and the bridge construction speed is greatly improved.

However, since the deck slab has a large volume and weight and it is generally impossible to park a crane near the installation position of the deck slab due to a terrain limitation, it is difficult to shift the deck slab to a preset position of the steel girder, resulting in a slow construction efficiency of the bridge and a long construction period.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a make things convenient for decking lifting device that decking shifted.

In order to achieve the above object, the present invention provides the following technical solutions:

the bridge deck hoisting equipment comprises a shifter, a Bailey truss erected on the shifter, a hoisting device arranged on the Bailey truss and used for hoisting a bridge deck, and a traction device connected with the shifter and used for driving the shifter to move.

Preferably, the bailey frames are provided with at least two sections, the at least two sections of bailey frames are arranged in parallel and at intervals, the bridge deck hoisting equipment further comprises a cross beam which is vertically erected on the tops of the bailey frames and connects the at least two sections of bailey frames, and the hoisting device is connected with the cross beam.

Preferably, the cross beam is provided with two sections, and the two sections of cross beams are respectively arranged at two ends of the bailey frames and have a distance with the end parts of the bailey frames.

Preferably, the bridge deck hoisting equipment further comprises a counterweight beam arranged on the bailey truss and used for enabling the center of gravity of the bailey truss to be located on the shifter.

Preferably, the number of the shifters is at least two, and the at least two shifters are respectively disposed at two sides of the bridge deck and close to the bridge deck along a direction perpendicular to the shifting direction of the bridge deck.

Preferably, the bridge deck hoisting equipment further comprises a guide rail preset on the steel beam along the displacement direction of the bridge deck, and the guide rail is arranged corresponding to the position of the shifter and is used for guiding the shifter to move.

Preferably, the bridge deck hoisting equipment further comprises a height increasing beam arranged on the shifter, and the bailey is erected on the height increasing beam.

Preferably, the bridge deck hoisting equipment further comprises a cross brace arranged between two adjacent sections of bailey frames.

Furthermore, the bridge deck hoisting equipment further comprises a lifting lug which is preset on the bridge deck and detachably connected with the hoisting device.

Further, the hoisting device comprises a chain block, an electric block and/or a winch.

Further, the traction device comprises a winch.

Compared with the prior art, the utility model discloses a scheme has following advantage:

1. the utility model provides a decking lifting device adopts beret frame as the davit, through configuration shifter, hoisting accessory and draw gear alright hoist and mount the aversion to the decking, simple structure and volume are less, require lowly to the operation space, can draw materials at the bridge job site and assemble the use, with low costs and be favorable to improving the efficiency of construction.

2. The utility model provides a decking lifting device passes through the crossbeam and connects two sections at least bailey framves and form wholly to on hoisting accessory located the crossbeam, effectively promote overall structure's intensity and bearing capacity, thereby guarantee the stability and the precision that decking hoist and mount shifted.

3. The utility model provides a decking lifting device is including locating the counterweight beam on the bailey frame, because the length of bailey frame is not necessarily matchd with the length of decking, leads to bailey frame focus unstability easily, through the counterweight beam can ensure that the focus of bailey frame is located the shifter, can effectively promote overall structure's stability.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of a bridge deck hoisting device provided by an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

It will be understood by those within the art that, unless expressly stated otherwise, the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.

The embodiment of the utility model provides a decking lifting device, it can be drawn materials on the scene on the bridge floor girder steel and set up and form, because simple structure and volume are less, the very big hoist and mount of local decking are shifted, promote bridge efficiency of construction.

As shown in fig. 1, the bridge deck hoisting equipment 1 includes a plurality of beret frames 11, shifters 12, hoisting devices 13, and a traction device (not shown, the same applies below), where the shifters 12 are provided, the beret frames 11 are erected on the shifters 12 and can be driven by the shifters 12 to move, the hoisting devices 13 are provided on the beret frames 11 and are used to hoist the bridge deck 2, and the traction device can be a winch and is connected to the shifters 12 and is used to drive the shifters 12 to move, so as to drive the bridge deck 2 hoisted on the beret frames 11 to move.

It should be understood that the bailey truss 11 is a steel frame with certain units formed by splicing a truss, a truss connecting pin, a safety pin, a reinforcing chord, a chord screw and the like, has the characteristics of simple structure, convenience in transportation, quickness in erection and easiness in decomposition, is generally applied to temporary bridges, emergency bridges and fixed bridge structures, and is common in bridge construction sites.

Bridge panel lifting device 1 adopts bailey frame 1 is as the davit, and bearing capacity is big and structural rigidity is strong, through the configuration shifter 12, hoisting accessory 13 and draw gear alright hoist and mount the aversion to bridge panel 2, and simple structure and volume are less, require lowly to the operating space, can draw materials at the bridge job site and assemble the use, and with low costs and be favorable to improving the efficiency of construction.

Preferably, the bridge deck hoisting equipment 1 further comprises a cross beam 14, the bailey frames 11 are provided with at least two sections, the at least two sections of bailey frames 11 are arranged in parallel and at intervals, the cross beam 14 and the bailey frames 11 are vertically erected on the tops of the bailey frames 11 and connect the at least two sections of bailey frames 11, and the hoisting device 13 is connected with the cross beam 14. At least two sections of bailey frames 11 are connected into a whole through the cross beam 14, and the lifting device 13 is arranged on the cross beam 14, so that the stability and the bearing capacity of the whole structure are effectively improved, and the stability and the precision of the hoisting and the displacement of the bridge deck 2 are ensured.

Preferably, the cross beam 14 is provided with two sections, the two sections of cross beams 14 are respectively arranged at two ends of the bailey truss 11, a distance is formed between the cross beam 14 and the end portion of the bailey truss 11, the lifting device 13 is arranged on each section of cross beam 14, the two sections of cross beams 14 can evenly share the weight of the bridge deck 2 to the bailey truss 11, and the strength and the stability of the whole structure are further improved.

Preferably, the bridge deck hoisting device 1 further includes a counterweight beam (not shown, the same applies below), the counterweight beam is disposed on the bailey truss 11 and is used for enabling the center of gravity of the bailey truss 11 to be located on the shifter 12, since the bailey truss 11 can be obtained at a construction site, the length of the bailey truss is not necessarily matched with the length of the bridge deck 2, and the bailey truss 11 may be limited by a site and cannot be centrally arranged with respect to the bridge deck 2, the center of gravity of the bailey truss 11 is easily unstable during hoisting operation, and by configuring the counterweight beam at a proper position, the center of gravity of the bailey truss 11 can be ensured to be located on the shifter 12, and the stability of the whole structure can be effectively improved.

Preferably, along the perpendicular direction of the displacement direction of the bridge deck 2, at least two shifters 12 are respectively arranged on two sides of the bridge deck 2 and close to the bridge deck 2, so that the shifter 12 is prevented from being spaced too far from the bridge deck 2, the stress on the bailey truss 11 is reduced, and the bailey truss 11 is prevented from bearing overload.

Preferably, the bridge deck hoisting device 1 further includes a pair of guide rails (not shown, the same applies below) respectively disposed at two ends of the bailey truss 11, the guide rails are preset on the steel beam along the displacement direction of the bridge deck 2, and the shifter 12 is disposed on the guide rails and can directionally move along the guide rails. Through the guide rail promotes when the removal precision of shifter 12, still play the bed hedgehopping the effect of shifter 12 to promote the height of bailey truss 11 makes possess certain clearance between bailey truss 11 and the girder steel, conveniently hoist and mount decking 2.

Further, the bridge deck hoisting equipment 1 further comprises a height increasing beam 15 arranged on the shifter 12, the bailey frames 11 are arranged on the height increasing beam 15, the height of the bailey frames 11 can be further controlled by configuring the height increasing beam 15, and the ground clearance of the bailey frames 11 is adjusted.

Preferably, the height increasing beam 15 spans at least two shifters 12, so as to simultaneously support at least two segments of the bailey frames 11, and the traction device is connected with the height increasing beam 15. At least two sections of the bailey frames 11 are further connected into a whole through the heightening beams 15, the traction center of gravity is lowered, and the bailey frames 11 are prevented from overturning when being dragged.

Preferably, the bridge deck hoisting equipment 1 further comprises a bridging 16 arranged between the two adjacent bailey frames 11, wherein the bridging 16 is arranged at the end of the bailey frame 11 and connects the two adjacent bailey frames 11, so that the two adjacent bailey frames 11 are connected in a reinforcing manner, and the stability of the whole structure is improved.

Further, the bridge deck hoisting equipment 1 further comprises a lifting lug 17 which is preset on the bridge deck 2 and detachably connected with the hoisting device 13, so that the hoisting device 13 is conveniently connected with the bridge deck 2 and hoisting operation is carried out.

Furthermore, the cross beam 14, the heightening beam 15, the counterweight beam and the guide rail are all made of profile steel, so that the material taking and assembling at the bridge construction site are facilitated, the cost is reduced, and the construction efficiency is improved.

Furthermore, the hoisting device 13 can be a chain block, an electric block, a pneumatic block or a hydraulic block, or a winch, and can be specifically selected according to equipment conditions of a construction site, on-site material taking is preferentially considered on the premise of meeting hoisting requirements, and efficiency is further improved.

The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The bridge deck hoisting equipment is characterized by comprising a shifter, a Bailey truss erected on the shifter, a hoisting device arranged on the Bailey truss and used for hoisting a bridge deck, and a traction device connected with the shifter and used for driving the shifter to move.

2. The bridge deck hoisting device according to claim 1, wherein the bailey truss has at least two sections, the at least two sections of bailey trusses are arranged in parallel and at intervals, the bridge deck hoisting device further comprises a beam vertically erected on the top of the bailey truss and connecting the at least two sections of bailey trusses, and the hoisting device is connected with the beam.

3. The bridge deck hoisting device of claim 2, wherein the cross beam is provided with two sections, and the two sections of cross beams are respectively arranged at two ends of the bailey truss and have a distance with the end of the bailey truss.

4. The bridge deck hoisting device of claim 1, further comprising a counterweight beam disposed on the bailey truss for positioning a center of gravity of the bailey truss on the shifter.

5. The bridge deck hoisting device according to claim 1, wherein at least two shifters are provided, and at least two shifters are provided on both sides of the bridge deck and adjacent to the bridge deck in a direction perpendicular to a shifting direction of the bridge deck.

6. The bridge deck hoisting device according to claim 1 or 5, further comprising a guide rail pre-installed on the steel beam along the displacement direction of the bridge deck, the guide rail being disposed corresponding to the position of the displacer and guiding the displacer to move.

7. The bridge deck hoisting device of claim 1, further comprising an elevating beam provided on the shifter, wherein the bailey is erected on the elevating beam.

8. The bridge deck hoisting device of claim 1, further comprising a cross brace disposed between two adjacent segments of bailey frames.

9. The bridge deck hoisting device of claim 1, further comprising a lifting lug pre-installed on the bridge deck and detachably connected to the hoisting device.

10. The bridge deck hoisting device of claim 1, wherein the hoisting means comprises a chain block, an electric block and/or a hoist.

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