CN104652392A - Multifunctional tooling bracket for assembling and disassembling main lattice cylinder positions of large cylinders of lattice steel sheet piles - Google Patents
Multifunctional tooling bracket for assembling and disassembling main lattice cylinder positions of large cylinders of lattice steel sheet piles Download PDFInfo
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Abstract
The invention discloses a multifunctional tooling bracket for assembling and disassembling main lattice cylinder positions of large cylinders of lattice steel sheet piles. The multifunctional tooling bracket comprises a base support pile, an upper support base bracket fixedly arranged on the base support pile and is used for supporting four groups of 1/4 circle-shaped steel sheet pile preassembling pieces and assembling the large cylinders of the lattice steel sheet piles, a lifting device arranged on the upper support base bracket and used for driving the 1/4 circle-shaped steel sheet pile preassembling pieces to lift on the upper support base bracket, a rotation device arranged on the upper support base bracket and used for driving the 1/4 circle-shaped steel sheet pile preassembling pieces to rotate on the upper support base bracket, and an airbag expanding device arranged on the upper support base bracket and used for compensating a preserved gap between the tooling bracket and the steel sheet piles after the steel sheet piles are assembled and folded, so that the support base bracket can be used for effectively supporting the steel sheet piles. The multifunctional tooling bracket can be used for effectively assembling and constructing the main lattice cylinder positions of the large cylinders of the lattice steel sheet piles on a construction site under the requirements of construction period and site condition with limits of upper, lower, left and right positions during the construction of an artificial island.
Description
Technical field
The present invention relates to a kind of construction technology of lattice steel sheet pile large cylinder nominative, be specifically related to a kind of tooling bracket for the installation of lattice steel sheet pile large cylinder nominative.
Background technology
Man-made island is generally artificial land of building in Nearshore Shallow Sea waters, as the place of carrying out operation on the sea or other purposes, mostly has trestle or seabed tunnel to be connected with bank.The coastal state of modern industry prosperity, densely populated, urban congestion is with in strand one, make to further develop and be very limited with construction of new enterprise and communal facilities, the problems such as the inhabitation in original city itself, traffic, noise, water and air pollution are also difficult to solve.Therefore, build man-made island, change or improve an above-mentioned difficult problem.Man-made island is one of mode utilizing ocean space, is also a kind of emerging ocean engineering.
Such as Chinese Zhuhai and Macao bridge Hong Kong man-made island, port (HKBCF) is an important component part of Zhuhai and Macao bridge Hong Kong, port connecting line, through connection Tunmen, red La Jiao airport and Dayu Mountain, and floor space about 1,500,000 square meter.This man-made island reclamation is as port Zhuhai and Macao bridge conveyance system, and the progress of engineering, quality and security relationship, to the construction and development of whole bridge, are implemented this project smoothly, had solid place mat effect to the construction of whole port Zhuhai and Macao bridge.This man-made island backfills filler form by the cofferdam that adds mole at lattice steel sheet pile large cylinder and formed.
See Fig. 1 and Fig. 2, this man-made island 100 is in the cofferdam that lattice steel sheet pile large cylinder 101 adds mole 102 formation, backfill filler form, floor space about 1,500,000 square meter.Its lattice steel sheet pile island wall construction axial length is about 5.1km, and total lattice steel sheet pile large cylinder (101a) 134, diameter is respectively 26.9m and 31.194m.The secondary lattice 101b that nominative 101a (i.e. lattice steel sheet pile large cylinder) is connected with nominative totally 133 groups, be respectively: the secondary lattice diameter 1. between diameter 26.9m nominative is 10.976m, totally 55 groups (110), the secondary lattice of monolithic are made up of 33 block plate stakes; 2. the secondary lattice diameter between diameter 31.194m nominative is 15.96m, totally 77 groups (154), and the secondary lattice of monolithic are made up of 46 block plate stakes; 3. the secondary lattice diameter between diameter 26.9m nominative and diameter 31.194m nominative is 16.296m, totally 1 group (2), and the secondary lattice of monolithic are made up of 47 block plate stakes.
Meanwhile, this engineering adopts YSP-FXL type straight abdomen formula steel sheet pile, and material is S355, length 23.6 ~ 37.1m, and its nominal width is 500mm, and web thickness is 12.7mm, and corner is 10 °, and theoretical weight is 77.2kg/m.Before carrying out the construction of lattice steel sheet pile large cylinder, first the construction of hardcore bed, geotextiles and broken stone pile should be completed, the construction of lattice steel sheet pile large cylinder can be carried out after the Macadam Pile Construction one section of scope of operation, after the installation of lattice steel sheet pile large cylinder, in 24 hours, carry out filler backfilling working in cylinder.The installation of two adjacent lattice steel sheet pile large cylinder nominatives also, after having backfilled, can carry out secondary lattice construction.
Above-mentioned engineering mainly contains five large difficult points in work progress: 1) construction area limit for height.2) depth of water is shallow.3) features as poor geologic condition, makes stake long.4) complete off-shore operation, marine environmental requirement is high.5) duration is tight.Based on field condition and the construction period of this " all restricted up and down ", the construction of lattice steel sheet pile large cylinder nominative have selected the technique of one " 1/4 land pre-splicing, waterborne combination free combat ".
For lattice steel sheet pile large cylinder on-site consolidation, the loose spelling in on-the-spot cylinder position technique, on-the-spot overall pre-assembling process is had in prior art, but under limit for height condition, the scene splicing of overlength sheet pile cannot realize, the general stake of this engineering lattice steel sheet pile reaches 37.1m, single nominative steel sheet pile gross weight generally at 450t ~ 560t, at present international.
In sum, by the restriction of surrounding airport aviation limit for height, local engineering water depth, more shallow and periphery blocks the impact of dirty curtain, this engineering lattice steel sheet pile construction technique and construction equipment are all very limited, and specific technology and equipment can only be selected to implement steel sheet pile construction.Existing large-tonnage crane ship height can not adapt to the requirement of on-the-spot limit for height, is also difficult to adapt to depth condition, so on-site hoisting part must be restricted in height, weight.Need badly as can be seen here and want a kind of " tooling bracket " to realize the on-the-spot integral assembling work of each lattice body steel sheet pile.
Summary of the invention
For above-mentioned man-made island construction under the field condition and construction period of " all restricted up and down ", problem existing for the construction of lattice steel sheet pile large cylinder nominative, the object of the present invention is to provide a kind of multi-functional tooling bracket realizing the on-the-spot integral assembling of each lattice body steel sheet pile, free combat.
In order to achieve the above object, the present invention adopts following technical scheme:
A kind of lattice steel sheet pile large cylinder nominative cylinder position is assembled, multi-functional tooling bracket of doing Kongfu, and described multi-functional tooling bracket comprises:
Base support stake, described base support stake, as the mounting foundation of multi-functional tooling bracket, forms other parts of multi-functional tooling bracket for installing and supporting;
Upper support moulding bed, described upper support moulding bed is fixedly installed in base support stake, for supporting pre-assembled of 4 group of 1/4 round steel sheet pile, and completes the splicing of lattice steel sheet pile large cylinder;
Lifting gear, described lifting gear is placed on upper support moulding bed, drives the lifting of pre-assembled of 1/4 round steel sheet pile on upper support moulding bed;
Whirligig, described whirligig is placed on upper support moulding bed, drives the rotation of pre-assembled of 1/4 round steel sheet pile on upper support moulding bed;
Air bag dilating device, described air bag dilating device is placed on upper support moulding bed, for steel sheet pile is assembled close up after, compensate the preset clearance between tooling bracket and steel sheet pile, make the effective supporting steel sheet pile of support jig.
In the preferred version of this multi-functional frock, described base support stake is by some periphery steel pipe bearing piles and the stake of 1 central steel piping support, described some periphery steel pipe bearing piles with the stake of central steel piping support for the center of circle, along the circumferential direction be uniformly distributed, and the stake top of some periphery steel pipe bearing piles and the stake of central steel piping support is in same level, the stake top of each support steel pile tube is provided with bindiny mechanism.
Further, described upper support moulding bed comprises:
Form the bracing frame of upper support moulding bed main body;
Bottom platform, the working platform of described bottom platform as lifting gear and the connecting platform of upper support moulding bed and base support stake, it is fixedly installed on the bottom of bracing frame, and is fixedly connected by base and base support stake;
Middle deck, described middle deck is as the maintenance of pre-assembled of 1/4 round steel sheet pile and stabilising arrangement, and it is liftable is arranged on bracing frame, and is positioned on bottom platform;
Upper brace, described upper brace is as the suspension of pre-assembled of 1/4 round steel sheet pile, revolution and lift platform, and it is liftable is arranged on bracing frame, and is positioned on middle deck, and provides the power that middle deck is elevated along bracing frame.
Further, support frame as described above comprises a central steel tube column and some periphery steel pipe posts, some periphery steel pipe posts, are along the circumferential direction uniformly distributed for the center of circle with central steel tube column, and the top of central steel tube column and some periphery steel pipe posts is fixedly connected by a top structure.
Further, described lifting gear is arranged in the bottom platform in upper support moulding bed, and drives upper brace to be elevated along bracing frame by transmission mechanism.
Further, described whirligig is arranged on upper brace, for support and drive pre-assembled of 1/4 round steel sheet pile along upper brace carry out 360 ° in rotary moving.
Further, described whirligig comprises annular walking dolly, rotary motion mechanism, described annular walking dolly is movably arranged on upper brace, it is arranged the hook of pre-assembled of support 1/4 round steel sheet pile, described rotary motion mechanism is arranged on upper brace, and drive annular walking dolly along upper brace, and level of doing around the center of upper brace is suitable or be rotated counterclockwise.
Further, described air bag dilating device is arranged in upper brace and middle deck.
Further, described air bag dilating device comprises air compressor, gasholder, Stress control and induction system and inflatable capsule, described air compressor is inflated to gasholder, and described Stress control and induction system control gasholder and inflate to inflatable capsule and control inflatable capsule and abandon.
Further, servo rotary mechanism is set in described middle deck, this mechanism comprises rail beam and the T-shaped hook of servo rotary, described rail beam is arranged in middle deck along the direction of rotation of pre-assembled of the 1/4 round steel sheet pile that upper brace supports, the T-shaped hook of described servo rotary is movably placed on rail beam by directive wheel, and pre-assembled of the 1/4 round steel sheet pile that the T-shaped hook portion support and connection upper brace of the T-shaped hook of servo rotary supports.
Scheme provided by the invention effectively can realize man-made island construction under the field condition and construction period of " all restricted up and down ", and plaid matching shaped steel plate pile large cylinder nominative carries out concatenation construction at the construction field (site).
Moreover, this frock can to by YSP-FXL type straight abdomen formula steel sheet pile, (material is S355, length 23.6 ~ 37.1m, its nominal width is 500mm, web thickness is 12.7mm, corner is 10 °, stake reaches 37.1m, single nominative steel sheet pile gross weight is generally at 450t ~ 560t) pre-assembled of 1/4 round steel sheet pile forming, carry out reliable and stable support, rotation and assembled, can not only ensure the reliable and stable and high security of whole work progress, it can also improve the efficiency of construction that on-the-spot plaid matching shaped steel plate pile large cylinder nominative carries out concatenation construction greatly.
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is man-made island steel sheet pile grid island wall construction plan view;
Fig. 2 is man-made island Steel Sheet Pile grille plane arrangement diagram;
Fig. 3 is the structural representation of multi-functional tooling bracket in the present invention;
Fig. 4 is the structural representation of foundation support stake in the present invention;
Fig. 5 is upper support moulding bed bottom platform structural plan figure;
Fig. 6 is the hinged schematic diagram of upper support moulding bed middle deck;
Fig. 7 is upper support moulding bed upper brace structural plan figure;
Fig. 8 is upper support moulding bed top structure plan view;
Fig. 9 is the structural representation of lifting gear in the present invention;
Figure 10 is the layout schematic diagram of the assembly pulley in upper support moulding bed on top structure;
Figure 11 is the scheme of installation of walking dolly in upper brace;
Figure 12 is the structural representation of the T-shaped hook mechanism of middle level platform servo rotary;
Figure 13 is the scheme of installation of inflatable capsule.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
This example, using the man-made island steel sheet pile grid island wall described in background technology part as corresponding construction works, illustrates the implementation process of the on-the-spot joining method of lattice steel sheet pile large cylinder nominative sheet pile 1/4 cylinder with this.
In this example, the enforcement of this project has following condition:
1) construction area limit for height.Whole construction area is all positioned at aviation height-limit area, airport, and lattice steel sheet pile large cylinder job site limit for height is between+30mPD ~+60mPD, and construction equipment is selected to be extremely restricted.Existing equipment cannot normally come into operation or service efficiency extremely low, newly-built and transformation equipment component must could be applicable to this engineering construction needs, and subregion steel sheet pile also need relax in the phase in limited aviation limit for height and implements.
2) depth of water is shallow.Mud face, this engineering construction region absolute altitude reduces from south to north gradually, and nearly half ENGINEERING POINT absolute altitude is at-2.8mPD ~-11mPD, and hardcore bed fills rear absolute altitude at-1.8mPD ~-2mPD, mean sea level 1.2mPD, ebb tide mean low-water 0.3mPD.Because the depth of water is more shallow, construction ship needs operation by tide, and ships that transport cannot arrive construction point.
3) features as poor geologic condition, makes stake long.Bottom silt thickness is about 15m-25m, designing pile length 23.6m-39.1m, and this project large cylinder is a part for embankment permanent structure simultaneously, and major and minor lattice stake appearance is same.Due to limit for height, long stake cannot be disposable in place, needs on-the-spot pile extension.
4) complete off-shore operation, marine environmental requirement is high.Engineering is positioned at sea, construction period island body periphery arrange for a long time and block dirty curtain, large cylinder construction be confined in long and narrow region, operation boats and ships are many, and cross jamming is larger.
5) constraint of cylinder deadweight.This engineering single nominative steel sheet pile gross weight is generally at 450t ~ 560t.Under aviation limit for height condition, there is no suitable crane ship at present and once complete a nominative integral hoisting and sinking.
6) duration is tight.According to relevant requirements, except 5 lattice steel sheet pile large cylinders of reserved opening gate segment, the heavy work of establishing of all the other 129 lattice steel sheet pile large cylinders need complete in 420 days after commencement of works, namely completes in 14th month after commencement of works that steel sheet pile is heavy establishes work.Because heavy the establishing of lattice steel sheet pile large cylinder could need be implemented after geotextiles, hardcore bed and broken stone pile complete, and most of steel sheet pile construction boats and ships need be implemented to change, construction etc., and steel sheet pile is heavy establishes the practice of construction duration about about 8 months.Meanwhile, steel sheet pile construction affects comparatively large by aviation limit for height, this engineering construction duration pretty nervous.
In sum, by the restriction of surrounding airport aviation limit for height, local engineering water depth, more shallow and periphery blocks the impact of dirty curtain, this engineering lattice steel sheet pile construction technique and construction equipment are all very limited, and specific technology and equipment can only be selected to implement steel sheet pile construction.Existing large-tonnage crane ship height can not adapt to the requirement of on-the-spot limit for height, also be difficult to adapt to depth condition, so on-site hoisting part must at height, weight is restricted, this example adopts the on-the-spot joining method of lattice steel sheet pile large cylinder nominative sheet pile 1/4 cylinder, full circle nominative is divided into 4 group of 1/4 pre-assembled of round steel sheet pile to lift respectively by it, corresponding crane ship machine must be transformed, scene need utilize one special " tooling bracket " to realize the on-the-spot integral assembling work of each lattice body steel sheet pile, in addition, scene closes up stake must take pile extension pattern, the condition of on-the-spot limit for height could be met.
For this reason, this example provides that a kind of lattice steel sheet pile large cylinder nominative cylinder position is assembled, multi-functional tooling bracket of doing Kongfu, and realizes being assembled on special multi-functional tooling bracket of lattice steel sheet pile large cylinder nominative cylinder position to carry out.During this multi-functional tooling bracket design, consider the factors such as minimum height limiting zone limit for height, sea bed face absolute altitude, steel sheet pile length, working water level and preset clearance.Based on the requirement of constructure scheme, this multi-functional tooling bracket has supporting steel sheet pile weight, it is assembled to turn round, unloading of sinking, dilate the functions such as support.Multi-functional tooling bracket mainly consists of the following components (see Fig. 3) for this reason:
1) foundation support stake 200
According to geological conditions, load bearing requirements, various operating mode and water level, meteorological condition etc., tooling bracket basis adopts 9 steel pipe piles formation as the foundation support stake 200 of multi-functional tooling bracket mounting foundation, and for installing and support other parts forming multi-functional tooling bracket.
See Fig. 4, it is depicted as support steel pile tube layout plan, wherein using 1 support steel pile tube 201 as centre bearing steel pipe pile, all the other 8 support steel pile tubes 202 are as periphery supporting steel pipe pile, with centre bearing steel pipe pile 201 for the center of circle, be evenly arranged the surrounding of centre bearing steel pipe pile 201 along an annulus.
Every root lattice body steel sheet pile is all pulled out after shaking and sinking; And the mechanisms such as every root support steel pile tube design of pile top adpting flange.
2) upper support jig structure 300
" tooling bracket " upper support moulding bed forms (see Fig. 5 to Fig. 7) by 9 support posts and 3 layers of horizontal operation platform etc., and top and middle part arrange fixed connection structure.Upper support moulding bed all can meet structural strength, rigidity and resistance to overturning requirement under various operating mode.
(1) wherein 9 support posts, form the bracing frame of upper support moulding bed.Concrete, in these 9 support posts, 1 as central steel tube column and all the other 8 as periphery steel pipe post, if 8 as periphery steel pipe post with central steel tube column for the center of circle, along the circumferential direction be uniformly distributed, and central steel tube column and 8 tops as periphery steel pipe post are fixedly connected by a top structure.This top structure is follow-up illustrates explanation.
Form 9 support posts of bracing frame, itself and bottom platform rigid connection in top structure and 3 layers of horizontal operation platform, and pass through between liftable upper mounting plate and middle platform in 3 layers of horizontal operation platform hinged seat and on steel roller and retaining mechanism hinged.The bottom of support post is respectively by the flange rigid connection on 9 piling bars in corresponding gusset and seafloor foundation bearing pile, flange is processed with arc gain, connected by screw-thread steel bolt between the two, central steel tube column is provided with cat ladder for operating personnel towards each layer platform simultaneously.
Bottom platform 301 in (2) 3 layers of horizontal operation platform
See Fig. 5, the working platform of this bottom platform as lifting gear and the connecting platform of upper support moulding bed and base support stake, it is fixedly installed on the bottom of bracing frame, and is fixedly connected by base and base support stake.
Concrete, this bottom platform adopts trussed construction, is connected with 9 seabed piling bars by base.
Middle deck 302 in (3) 3 layers of horizontal operation platform
This middle deck is as the maintenance of pre-assembled of 1/4 round steel sheet pile and stabilising arrangement, and it is liftable is arranged on bracing frame, and is positioned on bottom platform.This middle deck 302 is made up of annular collar tie beam (oscilaltion) and steel pipe truss, its unpowered mechanical, by 9 hinged seat 302a and each hinged seat up and down each 6 guide roller 302b can be elevated be arranged on 9 support posts (see Fig. 6), can realize moving up and down by upper mounting plate power.Eliminate column gap when hinged seat being established taper casing and voussoir hang for steel sheet pile, stable framework, hinged seat is provided with simultaneously retaining mechanism 302c (consistent with upper mounting plate).
Upper brace 303 in (4) 3 layers of horizontal operation platform
This upper brace 303 is as the suspension of pre-assembled of 1/4 round steel sheet pile, revolution and lift platform, and it is liftable is arranged on bracing frame, and is positioned on middle deck, and provides the power that middle deck is elevated along bracing frame.See Fig. 7, this upper brace 303 is made up of structures such as donought beam and fringe truss, middle part truss, hinged seat, retaining mechanisms.This platform and 9 support posts structure is set and middle deck is identical, do not repeated herein.
Concrete, in order to coordinate lifting gear in multi-functional tooling bracket and whirligig, the annular collar tie beam hinged seat in this upper brace 303 is provided with each 4 guide rollers up and down, and it is coordinated with column by guide roller, and 6 cake lifting pulley groups are located at by column.Upper mounting plate carries out descending operation by lifting gear, leading block and the 6 cake assembly pulleys be located in bottom platform.
Limit in upper brace 303, middle truss and collar tie beam are rigidly connected and by hinged seat and roller and column matched in clearance, operationally ensure the stable of upper mounting plate and lifting.
Wherein, retaining mechanism is made up of lock claw, axle, extension spring etc., ensures construction and personal safety in order to duration of work.9 root posts establish a pair retaining mechanism elongated hole every about 3m distance.
(5) top structure 304
See Fig. 8, top structure 304 is keep forming 9 support posts of bracing frame and the fixed structure of whole upper support jig structure stability.This top structure is rigidly connected by box hanging beam, steel pipe support and roof panel and column and forms, box hanging beam two ends are provided with 7 cake assembly pulleys, wherein 6 cakes are fixed pulley, 1 cake is equalizer pulley, unit assembling of ship machinery hanging beam is placed on top platform, and unit assembling of ship machinery wire rope is fixedly suspended on hanging beam, when lifting lifting gear, when roof panel is for lifting, operating personnel's hook, decoupling device, can be used for the upper lower platform of cage conveying operations personnel simultaneously.
2) lifting gear 400 of " tooling bracket "
See Fig. 9, " tooling bracket " lifting gear 400 is arranged in the bottom platform 301 in upper support moulding bed, and drives upper brace to be elevated along bracing frame by transmission mechanism.
Concrete, this lifting gear 400 is primarily of 4 double-rope association electric winches 401 and leading block 403, and movable and fixed pulley group composition.
Wherein, 4 winches 401 are arranged symmetrically in bottom platform 301, for driving lifting, middle deck.4 winches 401 realize by 16 cover 6 cake assembly pulleys, 16 leading blocks, 8 equalizer pulleys the lifting driving upper brace by wire rope 402 respectively, movable pulley is installed on upper brace, and fixed pulley 405, stabilizer 404 be arranged on top structure top hanging beam 304a on (as shown in Figure 10).
Thus, steel sheet pile by upper brace collar tie beam and on whirligig carry, by 4 these lifting gears of cover be located at 8 suspension centres on upper brace collar tie beam with 9 root posts for lead, realize the lifting of upper brace, then realize the lifting of steel sheet pile.
In order to ensure stability and the safety of whole lifting process, this lifting gear matches with the locking device that upper brace and middle deck are arranged.
After upper, middle lifting platform to working position, be locked by retaining mechanism, to ensure construction and personal safety.Retaining mechanism is made up of platform hinged seat bearing pin otic placode, column 300mm elongated hole, bearing pin, lock claw and counterweight of unblanking, lock claw is arranged on bearing pin otic placode by bearing pin, its working end coordinates with on column 300mm elongated hole, the other end connects with counterweight of unblanking, and 9 root posts up and down every 3m distance establish a pair retaining mechanism elongated hole.The retaining mechanism formed thus, open a retaining mechanism every 3m, after counterweight falls bottom platform, lock claw crosses elongated hole, and automatically replies normally closed duty, plays automatic protective effect in decline process.
4) whirligig 500 of " tooling bracket "
The whirligig 500 of " tooling bracket ", it is arranged on upper brace, for support and drive pre-assembled of 1/4 round steel sheet pile along upper brace carry out 360 ° in rotary moving.
Whirligig 500 mainly comprises annular walking dolly, upper mounting plate rotates the part compositions such as collar tie beam (joining roller), rotary motion mechanism, the T-shaped hook mechanism of middle level platform servo rotary.
(1) upper mounting plate rotates collar tie beam and walking dolly
See Figure 11, annular dolly 501 is placed on the annular collar tie beam 303a of upper brace, annular dolly establishes 98 groups of wheels 502 and 196 hooks, annular dolly turns round driving head by 8 planetary gears and drives, driving head is equipped with driven wheel, coordinating with dolly gear ring drives dolly to turn round, dolly can 360 ° around the centre of gyration clockwise, be rotated counterclockwise.
(2) rotary motion mechanism
Rotary motion mechanism is distributed in driving head support on annular collar tie beam by 8, rotary planetary gear driving head 503, the large-sized annular internal messing gear ring, electric control box etc. be fixed on annular dolly form.Wherein, turn round driving head to be made up of motor, compound epicyclic reduction gear, interface, output gear 4 part.
The rotary motion mechanism formed thus, during its work: the gear of rotary planetary gear driving head and the large-sized annular internal messing gear ring engaged transmission be fixed on annular dolly, drive dolly wraparound turn central horizontal 360 ° suitable, be rotated counterclockwise.Driving head has this locality/remote control two kinds of operator schemes.The rotating of slewing equipment can be realized respectively under this locality or remote control mode.Button pattern is restoration type, slewing equipment action when a button is depressed, and after unclamping hand, button automatically resets, and revolution driving head stops.The scram button pressed the button on box can realize the emergent stopping turning round driving head.
(3) the T-shaped hook mechanism 504 of middle level platform servo rotary
See Figure 12, this mechanism comprises rail beam 504a and the T-shaped hook 504b of servo rotary, this rail beam 504a is arranged on the annular collar tie beam of middle deck along the direction of rotation of pre-assembled of the 1/4 round steel sheet pile that upper brace supports, the T-shaped hook 504b of servo rotary is movably placed on rail beam by directive wheel, and pre-assembled of the 1/4 round steel sheet pile that the T-shaped hook portion support and connection upper brace of the T-shaped hook of servo rotary supports.
5) the air bag dilating device 600 of " tooling bracket "
Close up for ease of steel sheet pile and be assembled into integral lattice, each layer platform girder steel radius of tooling bracket is all less than principal radii.Steel sheet pile is assembled to be closed up afterwards for compensating this preset clearance and can making the effective supporting steel sheet pile of moulding bed, and upper brace and middle deck are provided with air bag dilating device 600.This device becomes with inflatable Capsules group with induction system primarily of air compressor, gasholder, Stress control.
Wherein, see Figure 13, inflatable capsule 601 is fixed in the resettlement groove on the lateral surface of the annular collar tie beam in upper brace and middle deck by corresponding bolt taut band.And air compressor is inflated to gasholder, Stress control and induction system control gasholder and inflate to inflatable capsule and control inflatable capsule and abandon.
As required, configurable vacuum breathing apparatus, when not needing use to dilate, can be contracted in air bag in girder steel upper groove simultaneously.
What form thus dilates airbag apparatus, and it carries out dilating, and air bag fills, the process of exitting is as follows:
1) airbag aeration
(1) start air compressor machine, open air compressor's bottle outlet valve, open the inlet valve of gasholder, air compressor machine is inflated toward gasholder.
(2) outlet valve of gasholder is opened to solenoid valve box air feed.
(3) solenoid valve box is powered, and electromagnetic valve is in closed condition, presses gas source solenoid control button and opens solenoid valve box gas source electromagnetic valve; Selection needs air bag loop, presses the control button of corresponding circuit, and corresponding electromagnetic valve is opened, and starts to inflate air bag, after inflation, presses the control button in corresponding air bag loop, corresponding closed electromagnetic valve; Close gas source electromagnetic valve.
2) air bag deflation
(1) solenoid valve box is powered, and electromagnetic valve is in closed condition, presses nature pressure-releasing electromagnetic valve control button, opens nature pressure-releasing electromagnetic valve, and air bag starts nature venting, naturally closes nature pressure-releasing electromagnetic valve after venting.
(2) start vacuum pump by 5.4 programs, press and vacuumize solenoid control button, vacuumize electromagnetic valve and open, air bag starts to vacuumize, and after vacuumizing, stops vacuum pump, closes and vacuumize electromagnetic valve.
The lattice steel sheet pile large cylinder nominative cylinder position formed thus is assembled, multi-functional tooling bracket of doing Kongfu, and its assembled process of carrying out lattice steel sheet pile large cylinder nominative cylinder position is as follows:
After support jig installation in position and corresponding 1/4 round steel sheet pile assembly tab are transported to scene, adopt horizontal hanging arm crane ship anchoring burst lifting assembly tab (suspension hook is 2 × 1500kN) inside the body of island.For preventing assembly tab in hoisting process from swinging, arrange steel sheet pile enclasp device at the position, deck of crane ship, these device two ends adopt fluid pressure type tightener to hold edge steel sheet pile tightly.Whole hoisting process is as follows:
First, pre-assembled of first group of 1/4 round steel sheet pile is lifted inside the body of island, horizontal hanging arm crane ship lifts by crane pre-assembled of 1/4 round steel sheet pile by steel sheet pile arc hanging beam, to be transformed on support upper platform by arc hanging beam by the conversion of suspension system, and realize pre-assembled of 1/4 round steel sheet pile to be lifted in tooling bracket system; Then driven by the whirligig on tooling bracket and the ring rotation beam on support is rotated 180 °, thus drive first group of 1/4 pre-assembled of round steel sheet pile to rotate 180 °.
Arc hanging beam is installed on the rotating beam of upper mounting plate to cylinder position, should be noted during installation by pre-assembled of special floating crane handling 1/4 round steel sheet pile, and the lifting set square of 48 steel sheet piles needs can be suspended on the hook of support jig upper mounting plate top.Constructing operation personnel are by hoisting wirerope and arc hanging beam is out of stock unties on upper mounting plate, and crane ship lifting arc hanging beam moves ship and lifts by crane second 1/4 circle, starts the revolution drive motors on tooling bracket upper mounting plate, operates rotating beam and go to design attitude.
Then, homonymy lifts pre-assembled of second group of 1/4 round steel sheet pile, detailed process as above, after rigging out, cross the ring rotation fine strain of millet half-twist on the whirligig driving arm on tooling bracket, thus drive first group of 1/4 round steel sheet pile pre-assembled and second group 1/4 round steel sheet pile pre-assembled equidirectional half-twist again.
Then, pre-assembled of homonymy lifting the 3rd group of 1/4 round steel sheet pile, detailed process as above, after rigging out, the ring rotation fine strain of millet crossed on the whirligig driving arm on tooling bracket rotates 180 °, thus drives first and second and three group of 1/4 round steel sheet pile pre-assembled entirety is equidirectional rotates 180 ° again.
Finally, pre-assembled of homonymy lifting the 4th group of 1/4 round steel sheet pile, detailed process as above.
Complete assembled after, compensate the gap between each layer platform girder steel of tooling bracket and the assembled lattice steel sheet pile large cylinder closing up formation of steel sheet pile by air bag dilating device on tooling bracket, thus make the effective supporting steel sheet pile of the moulding bed on tooling bracket.
Concrete compensation and airbag aeration process as follows:
(1) start air compressor machine, open air compressor's bottle outlet valve, open the inlet valve of gasholder, air compressor machine is inflated toward gasholder.
(2) outlet valve of gasholder is opened to solenoid valve box air feed.
(3) solenoid valve box is powered, and electromagnetic valve is in closed condition, presses gas source solenoid control button and opens solenoid valve box gas source electromagnetic valve; Selection needs air bag loop, presses the control button of corresponding circuit, and corresponding electromagnetic valve is opened, and starts to inflate air bag, after inflation, presses the control button in corresponding air bag loop, corresponding closed electromagnetic valve; Close gas source electromagnetic valve.
As can be seen here, can fast, under the field condition at " all restricted up and down " of safety and construction period, plaid matching shaped steel plate pile large cylinder nominative carries out concatenation construction at the construction field (site) by multi-functional tooling bracket provided by the invention.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (10)
1. assembled, the multi-functional tooling bracket of doing Kongfu in lattice steel sheet pile large cylinder nominative cylinder position, it is characterized in that, described multi-functional tooling bracket comprises:
Base support stake, described base support stake, as the mounting foundation of multi-functional tooling bracket, forms other parts of multi-functional tooling bracket for installing and supporting;
Upper support moulding bed, described upper support moulding bed is fixedly installed in base support stake, for supporting pre-assembled of 4 group of 1/4 round steel sheet pile, and completes the splicing of lattice steel sheet pile large cylinder;
Lifting gear, described lifting gear is placed on upper support moulding bed, drives the lifting of pre-assembled of 1/4 round steel sheet pile on upper support moulding bed;
Whirligig, described whirligig is placed on upper support moulding bed, drives the rotation of pre-assembled of 1/4 round steel sheet pile on upper support moulding bed;
Air bag dilating device, described air bag dilating device is placed on upper support moulding bed, for steel sheet pile is assembled close up after, compensate the preset clearance between tooling bracket and steel sheet pile, make the effective supporting steel sheet pile of support jig.
2. assembled, the multi-functional tooling bracket of doing Kongfu in a kind of lattice steel sheet pile large cylinder nominative cylinder position according to claim 1, it is characterized in that, described base support stake is by some periphery steel pipe bearing piles and the stake of 1 central steel piping support, described some periphery steel pipe bearing piles with the stake of central steel piping support for the center of circle, along the circumferential direction be uniformly distributed, and the stake top of some periphery steel pipe bearing piles and the stake of central steel piping support is in same level, the stake top of each support steel pile tube is provided with bindiny mechanism.
3. assembled, the multi-functional tooling bracket of doing Kongfu in a kind of lattice steel sheet pile large cylinder nominative cylinder position according to claim 1, it is characterized in that, described upper support moulding bed comprises:
Form the bracing frame of upper support moulding bed main body;
Bottom platform, the working platform of described bottom platform as lifting gear and the connecting platform of upper support moulding bed and base support stake, it is fixedly installed on the bottom of bracing frame, and is fixedly connected by base and base support stake;
Middle deck, described middle deck is as the maintenance of pre-assembled of 1/4 round steel sheet pile and stabilising arrangement, and it is liftable is arranged on bracing frame, and is positioned on bottom platform;
Upper brace, described upper brace is as the suspension of pre-assembled of 1/4 round steel sheet pile, revolution and lift platform, and it is liftable is arranged on bracing frame, and is positioned on middle deck, and provides the power that middle deck is elevated along bracing frame.
4. assembled, the multi-functional tooling bracket of doing Kongfu in a kind of lattice steel sheet pile large cylinder nominative cylinder position according to claim 3, it is characterized in that, support frame as described above comprises a central steel tube column and some periphery steel pipe posts, some periphery steel pipe posts with central steel tube column for the center of circle, along the circumferential direction be uniformly distributed, and the top of central steel tube column and some periphery steel pipe posts is fixedly connected by a top structure.
5. assembled, the multi-functional tooling bracket of doing Kongfu in a kind of lattice steel sheet pile large cylinder nominative cylinder position according to claim 3, it is characterized in that, described lifting gear is arranged in the bottom platform in upper support moulding bed, and drives upper brace to be elevated along bracing frame by transmission mechanism.
6. assembled, the multi-functional tooling bracket of doing Kongfu in a kind of lattice steel sheet pile large cylinder nominative cylinder position according to claim 3, it is characterized in that, described whirligig is arranged on upper brace, for support and drive pre-assembled of 1/4 round steel sheet pile along upper brace carry out 360 ° in rotary moving.
7. assembled, the multi-functional tooling bracket of doing Kongfu in a kind of lattice steel sheet pile large cylinder nominative cylinder position according to claim 3, it is characterized in that, described whirligig comprises annular walking dolly, rotary motion mechanism, described annular walking dolly is movably arranged on upper brace, it is arranged the hook of pre-assembled of support 1/4 round steel sheet pile, described rotary motion mechanism is arranged on upper brace, and drive annular walking dolly along upper brace, and level of doing around the center of upper brace is suitable or be rotated counterclockwise.
8. assembled, the multi-functional tooling bracket of doing Kongfu in a kind of lattice steel sheet pile large cylinder nominative cylinder position according to claim 3, it is characterized in that, described air bag dilating device is arranged in upper brace and middle deck.
9. assembled, the multi-functional tooling bracket of doing Kongfu in a kind of lattice steel sheet pile large cylinder nominative cylinder position according to claim 8, it is characterized in that, described air bag dilating device comprises air compressor, gasholder, Stress control and induction system and inflatable capsule, described air compressor is inflated to gasholder, and described Stress control and induction system control gasholder and inflate to inflatable capsule and control inflatable capsule and abandon.
10. a kind of lattice steel sheet pile large cylinder nominative cylinder position according to claim 3 is assembled, to do Kongfu multi-functional tooling bracket, it is characterized in that, servo rotary mechanism is set in described middle deck, this mechanism comprises rail beam and the T-shaped hook of servo rotary, described rail beam is arranged in middle deck along the direction of rotation of pre-assembled of the 1/4 round steel sheet pile that upper brace supports, the T-shaped hook of described servo rotary is movably placed on rail beam by directive wheel, and pre-assembled of the 1/4 round steel sheet pile that the T-shaped hook portion support and connection upper brace of the T-shaped hook of servo rotary supports.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410831209.2A CN104652392B (en) | 2014-12-22 | 2014-12-22 | A kind of lattice steel sheet pile large cylinder nominative cylinder position is assembled, multi-functional tooling bracket of doing Kongfu |
| HK15110365.9A HK1211637A1 (en) | 2014-12-22 | 2015-10-22 | A multifunctional guide frame for cellular main cell construction with assembly in-situ method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410831209.2A CN104652392B (en) | 2014-12-22 | 2014-12-22 | A kind of lattice steel sheet pile large cylinder nominative cylinder position is assembled, multi-functional tooling bracket of doing Kongfu |
Publications (2)
| Publication Number | Publication Date |
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| CN104652392A true CN104652392A (en) | 2015-05-27 |
| CN104652392B CN104652392B (en) | 2017-03-29 |
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| CN201410831209.2A Active CN104652392B (en) | 2014-12-22 | 2014-12-22 | A kind of lattice steel sheet pile large cylinder nominative cylinder position is assembled, multi-functional tooling bracket of doing Kongfu |
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| CN (1) | CN104652392B (en) |
| HK (1) | HK1211637A1 (en) |
Cited By (5)
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| CN104963301A (en) * | 2015-06-30 | 2015-10-07 | 武汉二航路桥特种工程有限责任公司 | Dragging, translating and lowering device and method for dismantling pier top beam section and pier |
| CN105887881A (en) * | 2016-05-25 | 2016-08-24 | 中交第航务工程局有限公司 | Pile cutting platform for steel pipe composite pile |
| CN106836134A (en) * | 2017-02-10 | 2017-06-13 | 合肥学院 | Construction method for building artificial island in reef area by using waste tires |
| CN107165148A (en) * | 2017-06-09 | 2017-09-15 | 中国建筑第六工程局有限公司 | A kind of affiliated facility processing method of Large-diameter Steel cylinder slice structure |
| CN108262574A (en) * | 2018-03-16 | 2018-07-10 | 南通振华重型装备制造有限公司 | A kind of jack up wind-powered electricity generation mounting platform spud leg builds jig frame special |
Families Citing this family (1)
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| CN111424718B (en) * | 2020-03-31 | 2021-11-02 | 中交第三航务工程局有限公司 | Artificial island structure for relay extension of suspended tunnel |
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| RU2280128C1 (en) * | 2004-12-28 | 2006-07-20 | Виктор Ильич Мищевич | Method for offshore platform erection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107165148B (en) * | 2017-06-09 | 2019-02-15 | 中国建筑第六工程局有限公司 | A kind of affiliated facility processing method of Large-diameter Steel cylinder slice structure |
| CN108262574A (en) * | 2018-03-16 | 2018-07-10 | 南通振华重型装备制造有限公司 | A kind of jack up wind-powered electricity generation mounting platform spud leg builds jig frame special |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1211637A1 (en) | 2016-05-27 |
| CN104652392B (en) | 2017-03-29 |
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