CN108643595A - The full-automatic aligning apparatus and its construction method of cantilever steel girder - Google Patents
The full-automatic aligning apparatus and its construction method of cantilever steel girder Download PDFInfo
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- CN108643595A CN108643595A CN201810700323.XA CN201810700323A CN108643595A CN 108643595 A CN108643595 A CN 108643595A CN 201810700323 A CN201810700323 A CN 201810700323A CN 108643595 A CN108643595 A CN 108643595A
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- steel girder
- jack
- cantilever steel
- cantilever
- master controller
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a kind of full-automatic aligning apparatus of cantilever steel girder and construction method, which includes supporting rack, z to jack and top；Z is fixed on to the fixing piece of jack at the top of supporting rack, z is fixed to the bracket of jack with top, x is installed to jack and y to jack in top, the x rotatably mounted x way rollers for being useful for bearing cantilever steel girder overhanging end, x on the bracket of jack are additionally provided with the first motor for driving x way rollers on the bracket of jack；Y rotatably mounted y way rollers for being useful for bearing cantilever steel girder overhanging end on the bracket of jack；Y is additionally provided with the second motor for driving y way rollers on the bracket of jack；The key of this method is that alternately support traction overhangs end using two groups of idler wheels, to realize full-automatic correction.The full-automatic aligning apparatus and construction method can make the overhanging end of each cantilever steel girder keep being aligned in xyz all directions.
Description
Technical field
It is especially one kind in purlin the present invention relates to the connection construction technical field of the truss type steel structure in civil engineering
Full-automatic device and utilization that end carries out correction correction are overhang when cantilever steel girder is installed on the shaped steel column of posture steel construction to it
The method of device construction cantilever steel girder.
Background technology
Large stadium mostly uses the truss type steel structure connected into length and breadth by gooseneck and shaped steel column, in above-mentioned truss-like
In steel construction, the overhanging type platform visited out of need to often constructing is using as overhanging grandstand or rain-proof shed etc..Its specific construction party
Method is to be connected and fixed the parallel overhanging type shaped steel crossbeam i.e. cantilever steel girder of a row on the parallel shaped steel column top of a row, then with outer
The outer end of each cantilever steel girder is overhang end and is connected and fixed by crossbeam, finally the frame upper berth between cantilever steel girder and outer crossbeam
If grandstand bottom plate or glass top plate, to constitute overhanging grandstand or rain-proof shed etc..
Every cantilever steel girder is by the prior art with the detailed process that a corresponding steel column is connected and fixed, first in steel
A steel corbel is fixed at the top of column, vertical plane and the steel column outer surface of the steel corbel are welded and fixed, with loop wheel machine handling overhang steel
Beam makes its inner end be shelved on steel corbel horizontal plane, and overhanging crossbeam inner end is welded and fixed with steel corbel, and in welding process
In, crane continues to hang cantilever steel girder and bears its most of gravity, after cantilever steel girder and steel corbel firm welding, then by lifting rope
It is detached from cantilever steel girder.
For the connection procedure of the above-mentioned prior art there are a technical barrier, i.e. a row should be that parallel overhanging is horizontal
Beam, outer end namely overhang that end height is uneven, and some upwarps or has sagging, and some evagination some inside contract, or even the left side having
In other words the right avertence having partially establishes coordinate system with height to for z-axis, the overhanging end of cantilever steel girder may be along z to there is height
Deviation, it is also possible to along x to occurring inside contracting or evagination, it is also possible to along y to there is left-leaning or Right deviation.This not only entirely to overhang flat
The outer edge of platform is very ugly, alignment, the welding procedure of more subsequent outer crossbeam is given to improve difficulty.
The reason of causing above-mentioned problem is various, first, construction personnel's concrete operations error causes to overhang end most final position
The error set, second is that because while cantilever steel girder inner end is welded and fixed, most of weight of cantilever steel girder is still dependence
What crane was sling, overhanging end lacks effectively support, and difficulty of construction is caused to increase, and the deviation at overhanging end can be further amplified；Three
It is that more chief reason is, every steel column inevitably has error in practice of construction, it is impossible to keep vertical completely, so steel
Just produced at the top of column introversion and extroversion or left and right to deviation, and overhang crossbeam to be that inner end resists vertical with steel at the top of steel column
Column is welded as reference plane, and deviation all occurs in benchmark, and overhanging end will appear error naturally, although the error at the top of steel column
It is held in the receptible scope of construction, but have passed through the amplification of the overhanging crossbeam of large scale large volume, be finally embodied in outstanding
The outer end for choosing crossbeam namely overhangs the error at end, is just amplified to naturally and is repugnant to the eye, is difficult to the degree received.
Invention content
The invention solves a technical problem be to provide it is a kind of can be automatically each in xyz by the overhanging end of cantilever steel girder
The full-automatic aligning apparatus of the cantilever steel girder of a direction alignment.
The technical solution of the present invention is to provide a kind of full-automatic aligning apparatus of cantilever steel girder, it includes branch
Support, z are to jack and top；Z is fixed on to the fixing piece of jack at the top of supporting rack, brackets and top of the z to jack
It is fixed, x is installed in top to jack and y to jack, x is rotatably mounted on the bracket of jack, and to be useful for bearing outstanding
The x way rollers at girder steel overhanging end are chosen, x is additionally provided with the first motor for driving x way rollers on the bracket of jack；Y to
The rotatably mounted y way rollers for being useful for bearing cantilever steel girder overhanging end on the bracket of jack；Y is gone back on the bracket of jack
Equipped with the second motor for driving y way rollers.
The full-automatic aligning apparatus of cantilever steel girder of the present invention compared with prior art, has following remarkable advantage and beneficial to effect
Fruit.
First, z can drive top to rise to jack, and then be lifted the sagging overhanging end of cantilever steel girder, make its level,
Z is completed to amendment；And at this time x to y to two groups of orthogonal idler wheels with cantilever steel girder against to ensure its horizontal direction
Locked, occurred level is to the changing of the relative positions when avoiding adjusting vertical height；Then driving x declines x way rollers to jack so that overhanging end
Bottom surface only with y way rollers against, in this way, overhanging end be supported on y way rollers, therefore only by motor drive y way rollers to
It is left or to right rotation can be achieved with y to amendment；Similarly, y withstands overhanging end to after the completion of amendment, first rising x way rollers, then under
Put y way rollers so that overhanging end is only contacted with x way rollers, and x way rollers drive lower rotation in motor, to draw overhanging end
Along x to moving, with realize x to amendment.Secondly, the arrangement achieves the full-automations of adjusting, do not depend on completely artificial, you can
The adjustment process of three direction wholes is completed, high degree of automation, operation are more convenient laborsaving, have saved cost of labor, reduce
Labor intensity.
Support frame structure is preferably：It is spirally connected up and down by multiple steelframe units, and each unit includes four upright bars, four
Root upper beam and four underbeams, above-mentioned upright bar, upper beam and underbeam constitute square frame structure, each face of the square frame
On be additionally provided with one connection cant beam, in this way, can be suitable number of to select according to steel column i.e. overhang steel depth of beam
Steelframe unit, the close supporting rack of composition height.
Top structure is preferably：It is hollow rectangular housing, and top bottom plate is fixed with z to the bracket of jack, and x is to thousand
Jin top and y are each attached to the fixing piece of jack on the bottom plate of top, and x way rollers are one and y way rollers are two, three rollings
Take turns angular distribution in a triangle；There are three the slot holes for idler wheel protrusion top for perforation on the top plate of top；Triangle product word structure,
More stablize, more stable support provided for the overhanging end of cantilever steel girder, and come directly towards it is hollow, can be by jack, idler wheel, electronic
Machine and transmission mechanism are all housed in top inside, preferably protect above-mentioned power part, but also structure is compacter rationally.
Each idler wheel is preferably that each idler wheel is fixed with a universal driving shaft with the connection relation of corresponding very heavy jacking seat,
Every universal driving shaft is fixed on through an axle bed on corresponding very heavy jacking seat, and each idler wheel and the bracket at place abut.
Each idler wheel lower end and very heavy jacking seat directly abut and upper end directly with cantilever steel girder bottom against in this way, effectively by top
Load is directly delivered to jack, and supportive is more firm, and service life is long.
Each idler wheel is preferably that motor casing is also secured at where the idler wheel with the connection relation of corresponding motor
On jack bracket, motor output shaft is equipped with worm screw, is fixed with turbine on the universal driving shaft of idler wheel, above-mentioned turbine and worm is mutual
Engagement.Above structure is simple, and stable transmission is reliable, and motor and transmission parts can follow jack rise and fall, no
Interfere idler wheel normally against function.
Preferably, the outer end of top is fixed with for limiting outer end limiting plates of the cantilever steel girder x to outermost locations, outside
Hold limiting plate higher than the top plate of top；In this way, when x way rollers are displaced outwardly cantilever steel girder, outer end limiting plate can be used as one
A effective basis for estimation, when overhang end and outer end limiting plate against when, then x is completed to correcting, this is simple in structure and to the party
To amendment judgement it is accurate.
As further preferred, top is respectively arranged on the left side and the right side two y to limiting cylinder, the work of each limiting cylinder
Stopper rod is equipped with side limiting plate, and when piston rod reaches range, the side of the same side of side limiting plate and top is flat
Together, range sensor there are one being set on each side limiting plate；In this way, two range sensors can detect and overhang at a distance from end,
Distance is closely offset side, thus drives the side limiting plate of un-offset side and top homonymy against as y to modified judgement
Foundation and reference plane are arrived with the side limiting plate when y way rollers will overhang end drive against then y is completed to amendment, the structure design
Rationally, to y to amendment accurately facilitate.
As still further preferably, top is equipped with mast and hoist engine, and mast top is equipped with hanging beam, both ends inside and outside hanging beam
A fixed pulley is respectively set, the traction rope of hoist engine sets around being connect with an electromagnetism seat after two fixed pulleys of hanging beam on electromagnetism seat
There is level meter.In this way, whether level meter can accurately to measure cantilever steel girder horizontal, accurately foundation is provided to amendment for z.And
And, it is only necessary to it drives hoist engine above to carry or lower discharging electromagnetic seat, and to electromagnetism seat power on/off, it is made to be adsorbed with cantilever steel girder or de-
From, you can the installation or removal of level meter are completed, above-mentioned assembling and dissembling process is simple and convenient, and fully achieves automation, just
In being repeatedly circulated for level meter.
The apparatus for correcting further includes a master controller, and outer end limiting plate is equipped with first pressure sensor, each lateral spacing position
Plate is equipped with second pressure sensor, corresponding three motor of three jack, three idler wheels, three pressure sensors and one
Level meter is connect with master controller signal.First sensor can accurately judge x to whether in place to correct, and second sensor can
Accurately to judge whether y completes to amendment, it is often more important that, master controller is connected with the signal of above-mentioned all parts so that on
It states all parts and acts more continuous, the degree of automation higher.
As further preferably, which further includes a y to track, and track is sliding combined with trolley, support
Frame bottom end is fixed on trolley, and the lower section that end is overhang in each cantilever steel girder is equipped with the bolt-type locking device positioned to trolley.
Above-mentioned apparatus for correcting, the degree of automation and intelligence degree are very high, and the automatic adjustment in three directions does not depend on manual operation completely,
More convenient reliable but corresponding, each parts are also more, and volume and dead weight also become much larger, that is to say, that the correction
Device be with increase volume and dead weight dead weight for cost obtain it is higher automation and it is intelligentized, so, for reduce conduct oneself with dignity
With the influence of volume, be equipped with y to track and trolley, the overall movement of the convenient apparatus for correcting.Moreover, because each overhanging
The installation site of girder steel is fixed, so the latched position of trolley is also that classification is fixed, therefore is equipped with bolt-type on track
Have a grade regulating device.
The invention solves another technical problem be to provide it is a kind of can be so that the overhanging end of each cantilever steel girder exists
Xyz all directions keep the full-automatic aligning apparatus using cantilever steel girder of alignment come the method for cantilever steel girder of constructing.
Another technical solution of the present invention is to provide a kind of full-automatic aligning apparatus using cantilever steel girder to apply
The method of work cantilever steel girder, step include：
A, steel corbel is fixed at the top of steel column, and apparatus for correcting is moved to along track using trolley needs overhanging to be mounted
By trolley locking positioning below the precalculated position at the overhanging end of girder steel and with bolt, and the height of top is made to be less than steel corbel,
Cantilever steel girder is sling with loop wheel machine, and the welding ends of cantilever steel girder is shelved on steel corbel, and by the overhanging end of cantilever steel girder
It is shelved on top；
B, the hoist engine at master controller driving top so that traction rope transfers electromagnetism seat and level meter to cantilever steel girder
Top surface is powered to electromagnetism seat so that electromagnetism seat is adsorbed on cantilever steel girder top surface, completes the installation of level meter；
C, master controller drives z to jack so that the overhanging end of top lifting cantilever steel girder, until the water of cantilever steel girder
Level is horizontal to master controller report；This moment, an x way roller and two y way rollers with the overhanging end of cantilever steel girder against；It is outstanding
Choose end complete z to amendment；
D, master controller drives x to jack, drives x way rollers to sink and is detached from cantilever steel girder, at this point, cantilever steel girder
Overhang end only with two y way rollers against, and the overhanging end of cantilever steel girder inevitably along the left or right side in the directions y offset, two
Two range sensors of the both sides limiting plate of side can measure and overhang at a distance from end, and be sent to master controller, master controller
Judge that apart from larger side be un-offset side, and drive the limiting cylinder of un-offset side so that the limiting cylinder of the side
Side limiting plate is concordant with the top side of homonymy, then drives motor of the y on jack, through worm screw and turbine drive y to
Idler wheel rotates, and then drives the overhanging end of cantilever steel girder to un-offset side oscillation, until the lateral spacing position at overhanging end and un-offset side
Plate is against the second pressure sensor on the side limiting plate of un-offset side is pressurized, and result is fed back to master controller, promotes master control
Device processed closes the motor of y way rollers；Overhang end complete y to amendment；
E, reset x to jack, make x way rollers rise and with overhanging end again against, then y is driven to decline to jack,
So that y way rollers and cantilever steel girder is detached from, at this point, the overhanging end of cantilever steel girder only with x way rollers against, master controller drive x to
Motor on jack drives the rotation of x way rollers through worm screw and turbine, and then the overhanging end of cantilever steel girder is driven to be moved out
It is dynamic, until overhanging end and outer end limiting plate are against the first pressure sensor on the limiting plate of outer end is pressurized, and result is fed back to master
Control promotes master controller to close the motor of x way rollers；Overhang end complete x to amendment；
E, the inner end of the cantilever steel girder after the completion of correcting overhanging end is welded and fixed with steel corbel；
F, master controller powers off electromagnetism seat so that electromagnetism seat is no longer adsorbed with cantilever steel girder, reverse drive hoist engine, complete
At the disengaging of level meter and cantilever steel girder, decline z to jack, driving trolley is moved to the installation site of next cantilever steel girder
It is dynamic.
The advantages of above method and technique effect are：X supports cantilever steel girder jointly to two groups of idler wheels to y in isosceles triangle
Overhang end, supporting ＆ stablizing, and two groups of idler wheels are mutually perpendicular to, realize self-locking so that lifting is reliable；And cantilever steel girder top surface sets level
Instrument so that z is accurate to correction effect；X is carried out to when being corrected to two horizontal directions with y, declines one group of idler wheel, using being left one group
Idler wheel plays the role of support, guiding and traction so that the process at mobile overhanging end is smooth laborsaving, and the presence of outer end limiting plate is protected
It is accurate to correcting x has been demonstrate,proved；Side limiting plate by comparing distance determine offset side, then drive un-offset side side limiting plate be used as according to
According to ensure that y is accurate to correcting；And the connection of the electromagnetic base of level meter and hoist engine and traction rope so that its handling is square
It can lean on；And the connection of master controller, two pressure sensors, each jack and motor so that the above method completely disengages
Manually, automation and intelligence degree are high, and the course of work is continuous, accurate, reliable.
To sum up, the above method solves and thirsts for solving insurmountable large overhanging type girder steel overhanging in industry always
The amendment problem at end, and makeover process is also simple and convenient smooth quick.And the above method is paid for enhancing automation and intelligence
Go out overall volume and increased cost of conducting oneself with dignity, pretended to make up, is provided with cross track and trolley, its convenient movement.Moreover
The above method is the various errors for first correcting overhanging end so that welds cantilever steel girder again after the alignment alignment of overhanging end, is welding
In the process, which is supported on Cantilever Beams bottom always so that stabilization is shelved in outer end in entire cantilever steel girder, this is just dropped
The low operation difficulty of follow-up welding, further reduced the probability of construction error, ensures the effect of welding procedure.
Description of the drawings
Fig. 1 is the structural schematic diagram being mounted on cantilever steel girder on steel column.
Fig. 2 is the configuration schematic diagram of the full-automatic aligning apparatus of cantilever steel girder of the present invention.
Fig. 3 is the structural schematic diagram of the full-automatic aligning apparatus of cantilever steel girder of the present invention.
Fig. 4 is the side schematic cross-sectional view of the top of the full-automatic aligning apparatus of cantilever steel girder of the present invention.
As shown in the figure 1, supporting rack, 2, z to jack, 3, top, 4, x to jack, 5, y to jack, 6, overhang steel
Beam, 7, x way rollers, 8, y way rollers, the 9, first motor, the 10, second motor, 11, universal driving shaft, 12, steelframe unit, 13, axis
Seat, 14, outer end limiting plate, 15, worm screw, 16, side limiting plate, 17, turbine, 18, limiting cylinder, 19, range sensor, 20, mast
Bar, 21, hoist engine, 22, hanging beam, 23, fixed pulley, 24, electromagnetism seat, 25, level meter, 26, track, 27, steel corbel, 28, steel it is vertical
Column, 29, trolley.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the full-automatic aligning apparatus of cantilever steel girder of the present invention, it includes supporting rack 1, z
To jack 2, top 3 and master controller.Supporting rack 1 is spirally connected by about 12 multiple steelframe units, and each unit includes four
Root upright bar, four upper beams and four underbeams, above-mentioned upright bar, upper beam and underbeam constitute square frame structure, the square frame
A connection cant beam is additionally provided on each face of frame.Specifically, four upper boxes of upper beam composition, four underbeam composition lower sections
Frame, four columns are located at quadrangle connection two boxes up and down.The quadrangle of each box is equipped with lug with holes, each steelframe unit
The lower box of 12 upper box and a upper steelframe unit 12 is spirally connected through lug.
Z is fixed on the top of supporting rack 1 to the fixing piece of jack 2, specifically, fixing piece from z to jack 2 with it is most upper
The lug of box is spirally connected on layer steelframe unit 12.
Z is fixed to the bracket of jack 2 with 3 bottom plates of top, and top 3 is hollow rectangular housing.X to jack 4 and y to
Jack 5 is respectively positioned in 3 hollow housings of top and x is each attached to 3 bottom plates of top to jack 4 and y to the fixing piece of jack 5
On.
X rotatably mounted x way rollers 7 for being useful for bearing cantilever steel girder 6 and overhanging end on the bracket of jack 4, x is to thousand
The first motor 9 for driving x way rollers 7 is additionally provided on the bracket on jin top 4；Y is rotatably mounted on the bracket of jack 5
It is useful for the y way rollers 8 that bearing cantilever steel girder 6 overhangs end；Y is additionally provided on the bracket of jack 5 for driving y way rollers 8
The second motor 10.X way rollers 7 is one and y way rollers 8 are two, three idler wheels angular distribution in a triangle；Top 3
Top plate on perforation there are three for idler wheel protrusion top 3 slot hole；It is respectively right that one x way roller 7 and two y way rollers 8 pass through
The top plate for the slot hole protrusion top 3 answered.
Each idler wheel is that each idler wheel and a universal driving shaft 11 are fixed, often with the connection relation of corresponding very heavy jacking seat
Root universal driving shaft 11 is fixed on through an axle bed 13 on corresponding very heavy jacking seat, and each idler wheel and the bracket at place mutually support
It leans on.
Each idler wheel is with the connection relation of corresponding motor, and motor casing is also secured at very heavy where the idler wheel
On jacking frame, motor output shaft is equipped with worm screw 15, and turbine 17, above-mentioned 17 worm screw of turbine are fixed on the universal driving shaft 11 of idler wheel
15 intermeshings.
The outer end of top 3 is fixed with for limiting outer end limiting plates 14 of the cantilever steel girder 6x to outermost locations, outer end limit
Top plate of the position plate 14 higher than top 3.Outer end limiting plate 14 is equipped with first pressure sensor
Top 3 is respectively arranged on the left side and the right side two y to limiting cylinder 18, and the cylinder body of each limiting cylinder 18 is through a company
It connects frame and a side of top 3 is fixed.The piston rod of each limiting cylinder 18 is equipped with side limiting plate 16, when piston rod is stretched
Go out to side limiting plate 16 when range with top 3 the side of the same side it is concordant, set on each side limiting plate 16 there are one away from
From sensor 19 and a second pressure sensor.
The outer end limiting plate 14 of top 3 is equipped with mast 20 and hoist engine 21, and 20 top of mast is equipped with lateral hanging beam 22,
Both ends respectively set a fixed pulley 23 inside and outside hanging beam 22, the traction rope of hoist engine 21 around after two fixed pulleys 23 of hanging beam 22 with one
Electromagnetism seat 24 connects, and electromagnetism seat 24 is equipped with level meter 25.The electromagnetism seat 24 is incidentally connected with battery and on-off switch, the break-make
Switch is connect with master controller signal.Automatic telescopic can be used in above-mentioned hanging beam 22, and flexible target is vacating space, is convenient for
The overhanging end of cantilever steel girder 6 is shelved on top 3.It is described it is flexible can be collocation telescopic cylinder or collocation ball screw assembly,
Deng.
The preferred PLC chip of master controller, corresponding three motor of three jack, three idler wheels, three pressure sensings
Device and a level meter 25 are connect with master controller signal.
The apparatus for correcting further includes a y to track 26, and track 26 is sliding combined with trolley 29, and 1 bottom end of supporting rack is fixed
On trolley 29.The lower section that end is overhang in each cantilever steel girder 6 is equipped with the bolt-type locking device positioned to trolley 29.Namely
It says, trolley 29 is equipped with pin hole, and track 26 is equipped with via, and bolt is inserted into pin hole to lock trolley 29 by via.
Certainly, it is contemplated that trolley 29 needs the huge weight that undertakes, shaped steel track 26 to be difficult to bear, so trolley 29 can be with
It directly rests on ground or floor, track 26 is two opposite channel steels, and effect one is to be clipped in 29 both sides of trolley to prevent it
Sideslip, and the bottom wing listrium of every channel steel is fixed through foundation bolt and ground or floor, and the web of channel steel then sets via for inserting
Finger setting trolley 29.
Using the full-automatic aligning apparatus of cantilever steel girder of the invention come the method for cantilever steel girder of constructing, its step are as follows.
A, in the fixed steel corbel 27 in 28 top of steel column, i.e., by the top of the vertical plane of steel corbel 27 and 28 1 sides of steel column
It welds in portion.
Recycle trolley 29 that apparatus for correcting is moved to the predetermined of the overhanging end for needing cantilever steel girder 6 to be mounted along track 26
By 29 locking positioning of trolley below position and with bolt, and the height of top 3 is made to be less than steel corbel 27, with loop wheel machine by overhang steel
Beam 6 is sling, and the inner end of cantilever steel girder 6 i.e. welding ends are shelved on steel corbel 27, and by the overhanging end of cantilever steel girder 6
It is shelved on top 3；Since top 3 is less than steel corbel 27, therefore it is sagging to overhang end.
B, the hoist engine 21 at master controller driving top 3 so that traction rope transfers electromagnetism seat 24 and level meter 25 extremely
6 top surface of cantilever steel girder is powered to electromagnetism seat 24 so that electromagnetism seat 24 is adsorbed on 6 top surface of cantilever steel girder, completes the peace of level meter 25
Dress.
C, master controller drives z to jack 2 so that the overhanging end of 3 lifting cantilever steel girder 6 of top, until cantilever steel girder 6
Level meter 25 it is horizontal to master controller report；This moment, the overhanging of an x way roller 7 and two y way rollers 8 with cantilever steel girder 6
End against；Overhang end complete z to amendment.
D, master controller drives x to jack 4, drives x way rollers 7 to sink and is detached from cantilever steel girder 6, at this point, overhang steel
The overhanging end of beam 6 is only with two y way rollers 8 against and the overhanging end of cantilever steel girder 6 is inevitably along the left or right side in the directions y
Offset, two range sensors 19 of the both sides limiting plate 16 of both sides can measure and overhang at a distance from end, and be sent to main control
Device, master controller judges that apart from larger side be un-offset side, and drives the limiting cylinder 18 of un-offset side so that the side
Limiting cylinder 18 side limiting plate 16 and the top 3 homonymies i.e. concordant benchmark using as correction in the side of un-offset side
Face then drives y motor corresponding with y way rollers 8 on jack 5, drives y way rollers 8 to revolve through worm screw 15 and turbine 17
Turn, and then drive the overhanging end of cantilever steel girder 6 to un-offset side oscillation, until the side limiting plate 16 at overhanging end and un-offset side supports
It leans on, the second pressure sensor on the side limiting plate 16 of un-offset side is pressurized, and result is fed back to master controller, promotes main control
Device closes the motor of y way rollers 8；Overhang end complete y to amendment.
E, x is resetted to jack 4, and x way rollers 7 is made to increase and with overhanging end again against then driving y under jack 5
Drop makes y way rollers 8 and cantilever steel girder 6 be detached from, at this point, the overhanging end of cantilever steel girder 6 is only with x way rollers 7 against master controller
Motor of the x on jack 4 is driven, drives x way rollers 7 to rotate through worm screw 15 and turbine 17, and then drive cantilever steel girder 6
Overhanging end is displaced outwardly, until overhanging end and outer end limiting plate 14 against, first pressure sensor on outer end limiting plate 14 by
Pressure, feeds back to main control by result, and master controller is promoted to close the motor of x way rollers 7；Overhang end complete x to amendment.
E, the inner end of the cantilever steel girder 6 after the completion of correcting overhanging end is welded and fixed with steel corbel 27；After amendment, hang
Choose 6 inner end of girder steel may or even cantilever steel girder 6 inner end no longer horizontal with the top surface of steel corbel 27 and steel column 28 all no longer support
It leans on, but only needs that cushion block will be added between steel corbel 27 and cantilever steel girder 6 and between cantilever steel girder 6 and steel column 28, then weld
It connects.
F, master controller powers off electromagnetism seat 24 so that electromagnetism seat 24 is no longer adsorbed with cantilever steel girder 6, reverse drive elevator
Machine 21 completes the disengaging of level meter 25 and cantilever steel girder 6, declines z to jack 2, drives trolley 29 to next cantilever steel girder 6
Installation site movement.
Claims (10)
1. a kind of full-automatic aligning apparatus of cantilever steel girder, it is characterised in that：It include supporting rack (1), z to jack (2) and
It comes directly towards (3)；Z is fixed on to the fixing piece of jack (2) at the top of supporting rack (1), and z is solid to the bracket of jack (2) and top (3)
It is fixed, x is installed to jack (4) and y to jack (5) in top (3), x is rotatably mounted on the bracket of jack (4) to be had
The x way rollers (7) at end are overhang for supporting cantilever steel girder (6), x is additionally provided on the bracket of jack (4) for driving x to rolling
Take turns first motor (9) of (7)；Y rotatably mounted bearing cantilever steel girders (6) that are useful for on the bracket of jack (5) overhang
The y way rollers (8) at end；Y is additionally provided with the second motor (10) for driving y way rollers (8) on the bracket of jack (5).
2. the full-automatic aligning apparatus of cantilever steel girder according to claim 1, it is characterised in that：Supporting rack (1) is by multiple
Steelframe unit (12) up and down be spirally connected, each unit include four upright bars, four upper beams and four underbeams, above-mentioned upright bar,
Upper beam and underbeam constitute square frame structure, and a connection cant beam is additionally provided on each face of the square frame.
3. the full-automatic aligning apparatus of cantilever steel girder according to claim 1, it is characterised in that：It is hollow to come directly towards (3)
Rectangular housing, top (3) bottom plate are fixed with z to the bracket of jack (2), fixations of the x to jack (4) and y to jack (5)
Part is each attached on top (3) bottom plate, and x way rollers (7) is one and y way rollers (8) are two, three idler wheels in a triangle three
Angle is distributed；Coming directly towards perforation on the top plate of (3), there are three the slot holes that top (3) is protruded for idler wheel；
Each idler wheel is that each idler wheel and a universal driving shaft (11) are fixed, every with the connection relation of corresponding very heavy jacking seat
Universal driving shaft (11) is fixed on through an axle bed (13) on corresponding very heavy jacking seat, and each idler wheel and the bracket at place mutually support
It leans on.
4. the full-automatic aligning apparatus of cantilever steel girder according to claim 3, it is characterised in that：Each idler wheel with it is corresponding
The connection relation of motor is, motor casing is also secured on the jack bracket where the idler wheel, and motor output shaft is set
There is worm screw (15), turbine (17), above-mentioned turbine (17) worm screw (15) intermeshing are fixed on the universal driving shaft (11) of idler wheel.
5. the full-automatic aligning apparatus of cantilever steel girder according to claim 1, it is characterised in that：The outer end for coming directly towards (3) is solid
Surely it is useful for limiting outer end limiting plates (14) of cantilever steel girder (6) x to outermost locations, outer end limiting plate (14) is higher than top
(3) top plate.
6. the full-automatic aligning apparatus of cantilever steel girder according to claim 1, it is characterised in that：Come directly towards the left and right two of (3)
Side is respectively equipped with two y to limiting cylinder (18), and the piston rod of each limiting cylinder (18) is equipped with side limiting plate (16), when
Side limiting plate (16) is concordant with the top side of the same side of (3) when piston rod reaches range, each side limiting plate
(16) range sensor (19) there are one being set on.
7. the full-automatic aligning apparatus of cantilever steel girder according to claim 1, it is characterised in that：It comes directly towards (3) and is equipped with mast
Bar (20) and hoist engine (21), mast (20) top are equipped with hanging beam (22), and both ends respectively set a fixed pulley inside and outside hanging beam (22)
(23), the traction rope of hoist engine (21) is connect with an electromagnetism seat (24) afterwards around two fixed pulleys (23) of hanging beam (22), electromagnetism
Seat (24) is equipped with level meter (25).
8. utilizing the full-automatic aligning apparatus of the cantilever steel girder described in any one of claim 1~7, it is characterised in that：It
Including a master controller, outer end limiting plate (14) is equipped with first pressure sensor, and each side limiting plate (16) is equipped with the second pressure
Force snesor, corresponding three motor of three jack, three idler wheels, three pressure sensors and a level meter (25) are equal
It is connect with master controller signal.
9. the full-automatic aligning apparatus of cantilever steel girder according to claim 8, it is characterised in that：It further include a y to
Track (26), track (26) are sliding combined with trolley (29), and supporting rack (1) bottom end is fixed on trolley (29), in each overhanging
The lower section at girder steel (6) overhanging end is equipped with the bolt-type locking device positioned to trolley (29).
10. using the full-automatic aligning apparatus of the cantilever steel girder described in claim 9 come the method for cantilever steel girder of constructing, feature
It is：Its step includes：
A, the fixed steel corbel (27) at the top of steel column (28), being moved to apparatus for correcting along track (26) using trolley (29) is needed
By trolley (29) locking positioning below the precalculated position at the overhanging end of cantilever steel girder (6) to be mounted and with bolt, and make top
The height of head (3) is less than steel corbel (27), is sling cantilever steel girder (6) with loop wheel machine, and the welding ends of cantilever steel girder (6) is shelved
It is shelved on top (3) on steel corbel (27), and by the overhanging end of cantilever steel girder (6)；
B, the hoist engine (21) at master controller driving top (3) so that traction rope will be under electromagnetism seat (24) and level meter (25)
It puts to cantilever steel girder (6) top surface, is powered to electromagnetism seat (24) so that electromagnetism seat (24) is adsorbed on cantilever steel girder (6) top surface, completes
The installation of level meter (25)；
C, master controller drives z to jack (2) so that the overhanging end of top (3) lifting cantilever steel girder (6), until overhang steel
The level meter (25) of beam (6) is horizontal to master controller report；This moment, an x way roller (7) and two y way rollers (8) with overhanging
The overhanging end of girder steel (6) against；Overhang end complete z to amendment；
D, master controller drives x to jack (4), drives x way rollers (7) to sink and is detached from cantilever steel girder (6), at this point, overhanging
The overhanging end of girder steel (6) is only with two y way rollers (8) against and the overhanging end of cantilever steel girder (6) is inevitably along the left side in the directions y
Side or right side offset, two range sensors (19) of the both sides limiting plate (16) of both sides can measure and overhang at a distance from end, and
It is sent to master controller, master controller judges that apart from larger side be un-offset side, and drives the limit gas of un-offset side
Cylinder (18) so that the side limiting plate (16) of the limiting cylinder (18) of the side is concordant with the top side of (3) homonymy, then drives y
Motor on jack (5) drives y way rollers (8) to rotate, and then drives cantilever steel girder through worm screw (15) and turbine (17)
(6) overhanging end is to un-offset side oscillation, until the side limiting plate (16) of overhanging end and un-offset side is against the side of un-offset side
Second pressure sensor on limiting plate (16) is pressurized, and result is fed back to master controller, and master controller is promoted to close y way rollers
(8) motor；Overhang end complete y to amendment；
E, x is resetted to jack (4), and x way rollers (7) is made to increase and with overhanging end again against then driving y to jack (5)
Decline, so that y way rollers (8) is detached from cantilever steel girder (6), at this point, the overhanging end of cantilever steel girder (6) is only supported with x way rollers (7)
It leaning on, master controller drives motor of the x on jack (4), drives x way rollers (7) to rotate through worm screw (15) and turbine (17),
And then the overhanging end of cantilever steel girder (6) is driven to be displaced outwardly, until overhanging end and outer end limiting plate (14) against outer end limiting plate
(14) first pressure sensor on is pressurized, and result is fed back to main control, and master controller is promoted to close the electricity of x way rollers (7)
Motivation；Overhang end complete x to amendment；
E, the inner end of the cantilever steel girder (6) after the completion of correcting overhanging end is welded and fixed with steel corbel (27)；
F, master controller powers off electromagnetism seat (24) so that electromagnetism seat (24) is no longer adsorbed with cantilever steel girder (6), reverse drive volume
Machine (21) is raised, the disengaging of level meter (25) and cantilever steel girder (6) is completed, declines z to jack (2), driving trolley (29) is downward
The installation site movement of one cantilever steel girder (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810700323.XA CN108643595B (en) | 2018-06-29 | 2018-06-29 | Full-automatic correcting device for cantilever steel beam and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810700323.XA CN108643595B (en) | 2018-06-29 | 2018-06-29 | Full-automatic correcting device for cantilever steel beam and construction method thereof |
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| Publication Number | Publication Date |
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| CN108643595A true CN108643595A (en) | 2018-10-12 |
| CN108643595B CN108643595B (en) | 2023-04-28 |
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Cited By (1)
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