A kind of Bridge Erector hoisting system and Bridge Erector suitable for low headroom condition
Technical field
The utility model relates to field of bridge construction, especially a kind of Bridge Erector elevator suitable for low headroom condition is mentioned
The system of liter and Bridge Erector.
Background technique
Bridge erection construction is frequently encountered Bridge Erector across existing buildings such as highway or railroad bridge etc., therefore Bridge Erector
The technical issues of erection can be encountered and crossed across under operating condition by limit for height.
Optimal Structure Designing in addition to needing to carry out meeting to steel constructions such as Bridge Erector supporting leg, girders low headroom needs
Outside, the Bridge Erector hoisting system design under the conditions of low headroom just seems very important.
Utility model content
The goal of the invention of the utility model is: needing to meet for Bridge Erector hoisting system of the existing technology
The problem of low headroom condition is so as to Bridge Erector passing through under the conditions of low headroom and operation provides a kind of suitable for ultralow net
The Bridge Erector hoisting system and Bridge Erector of empty condition.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of Bridge Erector hoisting system suitable for low headroom condition, including being connected to Bridge Erector hanging beam trolley
Crossbeam and curved beam, the crossbeam and the curved beam are oppositely arranged on the two sides of the hanging beam trolley, and the crossbeam and the song
Liang Jun is arranged along crane's major girder direction, and the crossbeam is equipped with directive wheel, the one end of the curved beam far from the hanging beam trolley
It is bent to the hanging beam trolley bottom side and forms mounting platform, hoist engine is set on the platform, on the hanging beam trolley
Equipped with fixed pulley group, the fixed pulley group is corresponding with running block, and the running block is set on lifting component, the hoist engine
Lifting rope the fixed pulley group and the running block are connected by the directive wheel, wherein the height of the mounting platform is lower than
The height of the fixed pulley group.
Using a kind of Bridge Erector hoisting system suitable for low headroom condition described in the utility model, curved beam knot
The hoist engine installed on structure can be located at sustained height position with the fixed pulley group on hanging beam trolley, opposite existing structure hoist engine
Set-up mode above fixed pulley group can reduce the whole height of hanging beam vehicle structure to greatest extent, then in order to meet
Enter and leave lifting drum minimum lifting rope enter and leave angle demand, by the minimal distance requirement between lifting drum and fixed pulley group by
Traditional short transverse setting is converted into horizontally arranged by the directive wheel being arranged on crossbeam, is improved to greatest extent dynamic
The working depth of pulley blocks is passed through to further effectively reduce the whole height of hanging beam vehicle structure with meeting Bridge Erector
The demand of existing building low headroom limit for height, the Bridge Erector hoisting system structure is simple, and clear principle is convenient and practical,
It works well.
Preferably, the directive wheel is located at one end on the crossbeam far from the hanging beam trolley.
Preferably, the lifting component includes suspension hook.
Preferably, the lifting rope is wirerope.
Preferably, the length of the crossbeam is greater than the length of the curved beam.
Preferably, the crossbeam and the curved beam respectively with the hanging beam trolley flanged joint.
Preferably, the curved beam includes first level beam, inclined beams and the second horizontal beam, and the first level beam is welded in
The inclined beams, the inclined beams are welded in second horizontal beam, and the top surface of second horizontal beam is lower than first water
The top surface of flat-topped ridge, the first level beam connect the hanging beam trolley, and second horizontal beam is for being arranged the hoist engine.
The utility model additionally provides a kind of Bridge Erector, including being suitable for low headroom condition as described in any of the above item
Bridge Erector hoisting system and two girders disposed in parallel, the hanging beam trolley is set between two girders, often
A girder bottom is connected with the first vertical telescopic outrigger and the second vertical telescopic outrigger, and each girder basal sliding connects
It is connected to the vertical telescopic outrigger of third and the 4th vertical telescopic outrigger, the first vertical telescopic outrigger and described second vertically stretch
Supporting leg is located at the both ends of the corresponding girder.
Using a kind of Bridge Erector described in the utility model, the elevator installed on the Curved Beam Structure of hoisting system thereon
Machine can be located at sustained height position with the fixed pulley group on hanging beam trolley, and opposite existing structure hoist engine is located in fixed pulley group
The set-up mode of side can reduce the whole height of hanging beam vehicle structure to greatest extent, then in order to meet discrepancy lifting drum
Minimum lifting rope enter and leave angle demand, by the minimal distance requirement between lifting drum and fixed pulley group by traditional short transverse
It is arranged and is converted by the directive wheel being arranged on crossbeam horizontally arranged, the work for improving running block to greatest extent is high
Degree, to further effectively reduce the whole height of hanging beam vehicle structure, to meet Bridge Erector, to pass through existing building ultralow
The demand of headroom limit for height, the Bridge Erector structure is simple, and clear principle is convenient and practical, works well.
Preferably, each girder bottom also slidably connects at least one the 5th vertical telescopic outrigger, all described
5th vertical telescopic outrigger is between the described first vertical telescopic outrigger and the second vertical telescopic outrigger.
Preferably, each 4th vertical telescopic outrigger and each 5th vertical telescopic outrigger bottom are respectively equipped with
Traveling wheel.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1, with a kind of Bridge Erector hoisting system suitable for low headroom condition described in the utility model, curved beam
The hoist engine installed in structure can be located at sustained height position with the fixed pulley group on hanging beam trolley, opposite existing structure elevator
Machine is located at the set-up mode above fixed pulley group can reduce the whole height of hanging beam vehicle structure to greatest extent, then in order to full
The minimum lifting rope that foot enters and leaves lifting drum enters and leaves angle demand, by the minimal distance requirement between lifting drum and fixed pulley group
It is converted by traditional short transverse setting by the directive wheel being arranged on crossbeam horizontally arranged, improved to greatest extent
The working depth of running block is worn to further effectively reduce the whole height of hanging beam vehicle structure with meeting Bridge Erector
The more demand of existing building low headroom limit for height, the Bridge Erector hoisting system structure is simple, and clear principle facilitates reality
With working well;
2, with a kind of Bridge Erector described in the utility model, the volume installed on the Curved Beam Structure of hoisting system thereon
The machine of raising can be located at sustained height position with the fixed pulley group on hanging beam trolley, and opposite existing structure hoist engine is located at fixed pulley group
The set-up mode of top can reduce the whole height of hanging beam vehicle structure to greatest extent, then enter and leave hoist engine volume to meet
The minimum lifting rope of cylinder enters and leaves angle demand, by the minimal distance requirement between lifting drum and fixed pulley group by traditional height side
It is converted into setting by the directive wheel being arranged on crossbeam horizontally arranged, improves the work of running block to greatest extent
Highly, to further effectively reduce the whole height of hanging beam vehicle structure, to meet Bridge Erector, to pass through existing building super
The demand of low clearance limit for height, the Bridge Erector structure is simple, and clear principle is convenient and practical, works well.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Bridge Erector hoisting system described in the utility model;
Fig. 2 is the structural schematic diagram of Bridge Erector described in the utility model;
Fig. 3 is the schematic partial sectional view of Fig. 2.
Marked in the figure: 1- hanging beam trolley, 11- fixed pulley group, 2- crossbeam, 21- directive wheel, 3- curved beam, 4- girder, 41-
One vertical telescopic outrigger, the vertical telescopic outrigger of 42- second, the vertical telescopic outrigger of 43- third, the vertical telescopic outrigger of 44- the 4th,
The vertical telescopic outrigger of 45- the 5th, 5- hoist engine, 6- lifting component, 61- running block.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Embodiment 1
As shown in Figure 1, a kind of Bridge Erector hoisting system suitable for low headroom condition described in the utility model,
Crossbeam 2 and curved beam 3 including being connected to Bridge Erector hanging beam trolley 1.
The crossbeam 2 and the curved beam 3 are oppositely arranged on the two sides of the hanging beam trolley 1, and the crossbeam 2 and the song
Beam 3 is arranged along 4 direction of crane's major girder, and the crossbeam 2 is equipped with directive wheel 21, and the curved beam 3 is far from the hanging beam trolley 1
One end be bent and formed mounting platform to 1 bottom side of hanging beam trolley, hoist engine 5 is set on the platform, it is described to hang
Beam trolley 1 is equipped with fixed pulley group 11, and the fixed pulley group 11 is corresponding with running block 61, and the running block 61, which is set to, to be promoted
On component 6, the lifting rope of the hoist engine 5 connects the fixed pulley group 11 and the running block 61 by the directive wheel 21,
Wherein the height of the mounting platform is lower than the height of the fixed pulley group 11.
As a preferred embodiment of the present embodiment, the directive wheel 21 is located on the crossbeam 2 small far from the hanging beam
One end of vehicle 1;The lifting component 6 includes suspension hook;The lifting rope is wirerope;The length of the crossbeam 2 is greater than the curved beam 3
Length;The crossbeam 2 and the curved beam 3 respectively with 1 flanged joint of hanging beam trolley.
As a preferred embodiment of the present embodiment, the curved beam 3 includes that first level beam, inclined beams and second are horizontal
Beam, the first level beam are welded in the inclined beams, and the inclined beams are welded in second horizontal beam, and described second is horizontal
The top surface of beam is lower than the top surface of the first level beam, and the first level beam connects the hanging beam trolley 1, and described second is horizontal
Beam is for being arranged the hoist engine 5.
With a kind of Bridge Erector hoisting system suitable for low headroom condition described in the utility model, curved beam 3
The hoist engine 5 installed in structure can be located at sustained height position with the fixed pulley group 11 on hanging beam trolley 1, opposite existing structure
The set-up mode that hoist engine 5 is located at 11 top of fixed pulley group can reduce the whole height of 1 structure of hanging beam trolley to greatest extent, and
It, will be between 5 reel of hoist engine and fixed pulley group 11 afterwards in order to meet the minimum lifting rope discrepancy angle demand for entering and leaving 5 reel of hoist engine
Minimal distance requirement be converted by traditional short transverse setting by the directive wheel 21 being arranged on crossbeam 2 it is horizontally arranged,
The working depth of running block 61 is improved to greatest extent, to further effectively reduce the entirety of 1 structure of hanging beam trolley
Highly, to meet the needs of Bridge Erector passes through existing building low headroom limit for height, the Bridge Erector hoisting system structure letter
Single, clear principle is convenient and practical, works well.
Embodiment 2
As Figure 2-3, a kind of Bridge Erector described in the utility model, including be suitable for as described in Example 1 ultralow net
The Bridge Erector hoisting system of empty condition and two girders 4 disposed in parallel.
The hanging beam trolley 1 is set between two girders 4, and each 4 bottom of girder is connected with first and vertically stretches
Contracting supporting leg 41 and the second vertical telescopic outrigger 42, each 4 basal sliding of girder are connected with vertical 43 He of telescopic outrigger of third
4th vertical telescopic outrigger 44, the first vertical telescopic outrigger 41 and the second vertical telescopic outrigger 42 are located at correspondence
The both ends of the girder 4.
As a preferred embodiment of the present embodiment, each 4 bottom of girder also slidably connect at least one the 5th
Vertical telescopic outrigger 45, all 5th vertical telescopic outriggers 45 are located at the described first vertical telescopic outrigger 41 and described second
Between vertical telescopic outrigger 42;Each 4th vertical telescopic outrigger 44 and each 5th vertical 45 bottom of telescopic outrigger
It is respectively equipped with traveling wheel.
With a kind of Bridge Erector described in the utility model, the volume installed in 3 structure of curved beam of hoisting system thereon
Sustained height position can be located at the fixed pulley group 11 on hanging beam trolley 1 by raising machine 5, and it is fixed that opposite existing structure hoist engine 5 is located at
The set-up mode of the top of pulley blocks 11 can reduce the whole height of 1 structure of hanging beam trolley to greatest extent, then in order to meet out
The minimum lifting rope for entering 5 reel of hoist engine enters and leaves angle demand, by the minimal distance requirement between 5 reel of hoist engine and fixed pulley group 11
It is converted by traditional short transverse setting by the directive wheel 21 being arranged on crossbeam 2 horizontally arranged, mentioned to greatest extent
The high working depth of running block 61, to effectively reduce the whole height of 1 structure of hanging beam trolley, further to meet frame
Bridge machine passes through the demand of existing building low headroom limit for height, and the Bridge Erector structure is simple, and clear principle is convenient and practical, effect
Well.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.