CN105002919B - A kind of system making prefabricated cushion cap be mutually located with many fixing steel-pipe piles and positioning process thereof - Google Patents
A kind of system making prefabricated cushion cap be mutually located with many fixing steel-pipe piles and positioning process thereof Download PDFInfo
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- CN105002919B CN105002919B CN201510454167.XA CN201510454167A CN105002919B CN 105002919 B CN105002919 B CN 105002919B CN 201510454167 A CN201510454167 A CN 201510454167A CN 105002919 B CN105002919 B CN 105002919B
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Abstract
The present invention discloses a kind of system making prefabricated cushion cap be mutually located with many fixing steel-pipe piles, including suspension bracket, detent mechanism waterborne, Underwater Navigation mechanism, hydraulic power unit, main control mechanism and measuring mechanism;Suspension bracket is connected cushion cap, detent mechanism waterborne includes four three-dimensional jack, each three-dimensional jack includes that fixing seat and one can the Mobile bases of horizontal shift, vertical oil cylinder and at least three first cross cylinders are installed on Mobile base, described vertical oil cylinder withstands suspension bracket, and fixing seat is withstood in each first cross cylinder one end;Underwater Navigation mechanism includes that at least ten two second cross cylinders, every second cross cylinder one end withstand steel-pipe pile outer surface;Described hydraulic power unit is used for driving each cylinder action;The parameter that master control system provides according to measuring mechanism sets the mobile data of each cylinder piston rod and controls hydraulic power unit and order about cylinder action and position;The present invention also provides for the positioning process of above-mentioned alignment system, and positioning precision of the present invention is high, speed is fast, effective reduction of erection time.
Description
Technical field
The present invention relates to the technical field that in architectural engineering, cushion cap and pile tube are mutually located, especially one and make prefabricated cushion cap
The system being mutually located with many fixing steel-pipe piles and positioning process thereof.
Background technology
At present, the construction project of China's bridge spanning the sea, excessively river bridge gets more and more, the employing height stake that its underpart structure is more
Cushion cap form, the traditional construction technique for high-rise pile cap mostly is caisson, cofferdam, and its construction technology, flow process are the most ripe, but deposit
Put into big, the shortcoming of long construction period.
In order to shorten construction period, reduce and put into, assembled skill after the prefabricated assembled cushion cap explored in construction in recent years
Art, namely cushion cap is prefabricated in factory, and then transport is mutually assembled to on-site consolidation with the pile tube accomplished fluently and connected, this executes
Work flow process can shorten construction period greatly, is the developing direction of such structure construction from now on.
But installing in the water of prefabricated assembled component, greatest difficulty is that being accurately positioned of component, traditional crane barge are hung
The precision controlling of dress, it is impossible to effectively meet the requirement of design and current specifications, therefore be accurately positioned installation skill in prefabricated member water
Art is urgently to be resolved hurrily.
Summary of the invention
The technical problem to be solved in the present invention is to provide and a kind of makes prefabricated cushion cap and many fixing steel-pipe piles be mutually located
System, its positioning precision is high, speed is fast, effective reduction of erection time, reduces fund input.
For reaching above-mentioned purpose, the technical scheme is that one makes prefabricated cushion cap mutual with many fixing steel-pipe piles
The system of location, including suspension bracket, detent mechanism waterborne, Underwater Navigation mechanism, hydraulic power unit, main control mechanism and measuring mechanism;Hang
Frame is connected cushion cap and detachable, and cushion cap is being provided with multiple vertical through holes and many fixing steel near its four corners and centre position
Pile tube matches;
Described detent mechanism waterborne includes that four three-dimensional jack, each three-dimensional jack are arranged close to cushion cap corner
The top of a piece steel-pipe pile, each three-dimensional jack includes that a fixing seat and be arranged on fixing seat can horizontal shifts
Mobile base, Mobile base is provided with at least vertical oil cylinder and at least three first cross cylinders, each three-dimensional jack
On vertical oil cylinder withstand suspension bracket, fixing seat is withstood in each first cross cylinder one end;
Described Underwater Navigation mechanism includes at least ten two second cross cylinders, and cushion cap is leading near each vertical of corner
Being provided with at least three second cross cylinders on internal surface of hole, fixing steel-pipe pile appearance is withstood in every second cross cylinder one end
Face;
Described hydraulic power unit is used for driving each cylinder action;Described measuring mechanism is the displacement parameter of cylinder piston rod and holds
The space coordinate parameters of platform sends master control system to, and the parameter that master control system provides according to measuring mechanism sets each cylinder piston rod
Mobile data and control hydraulic power unit action and order about the action simultaneously of a cylinder action or multiple oil cylinder.
It is multiple little be contained on cushion cap that the most described measuring mechanism includes the displacement transducer being arranged on every oil cylinder
Prism and the total powerstation with multiple little prism conjunction measurings.
Improve further, between described Mobile base and fixing seat, be provided with antifriction slide plate.Rub with the slip of reduction Mobile base
Wiping power, facilitates the horizontal shift of cushion cap.
Improve further, match to lock antifriction with antifriction slide plate equipped with a static pressure oil cylinder in the middle of described Mobile base bottom
Slide plate or open antifriction slide plate.
A piece vertical oil cylinder and four first cross cylinders are installed on the Mobile base of the most each three-dimensional jack, four
First cross cylinder is crossing distribution;Cushion cap is being provided with four second water on each vertical through holes inner surface in corner
Flat oil cylinder, four second cross cylinders are on the same cross section of vertical through holes inner surface, in four second cross cylinders two
Root the second cross cylinder is transversely distributed, other two second cross cylinders are along genesis analysis.
Improve further, connect a bearing carrier at the top of the steel-pipe pile installing three-dimensional jack, on three-dimensional jack
Fixing seat supports on described bearing carrier.So can facilitate the installation of three-dimensional jack.
The most described bearing carrier includes upper plate and the lower plate being parallel to each other, by multiple gripper shoes between upper plate and lower plate
Being connected, be also installed with many pull bars between upper plate and lower plate, the top of every pull bar is connected with top nut, and top nut is against upper plate
Upper surface, the bottom of every pull bar is connected with lower nut, and lower nut is against the lower surface of lower plate, and the centre position of upper plate is offered
There is through hole;The neighboring of described upper plate is circular, and described lower plate neighboring is circular, and the lower surface of lower plate is fixed with mutually friendship
Multiple reinforcing plates that fork is arranged;Lower plate is in the endoporus of steel-pipe pile, and the upper surface of lower plate supports fixing on three-dimensional jack
Seat, the lower surface of upper plate is supported on the end face at steel-pipe pile top.
Present invention also offers the positioning process utilizing said system, it comprises the following steps:
Step one, utilize suspension bracket that cushion cap is winched on many steel-pipe piles and make many steel-pipe piles through on cushion cap multiple vertically
Through hole, then hanger supports is on the vertical oil cylinder of four three-dimensional jack, it is achieved just position;
After step 2, suspension bracket are in place, the plane elevation of cushion cap is adjusted, makes the first water on each three-dimensional jack
Flat oil cylinder maintains static, and measures cushion cap four angular coordinate by measuring mechanism, and master control system controls hydraulic pressure according to cushion cap four angular coordinate
Pumping plant action is ordered about the vertical oil cylinder on four three-dimensional jack and is done asynchronous jacking operation, makes cushion cap corner elevation coordinate be in
Same level;Then by the vertical oil cylinder synchronization of jacking up of four three-dimensional jack, make the vertical coordinate of cushion cap reach design and want
Ask, then lock the vertical oil cylinder of four three-dimensional jack;
Step 3, make the first cross cylinder of detent mechanism waterborne and one of the second cross cylinder of Underwater Navigation mechanism
Cylinder action or multiple cylinder action, make cushion cap do the torsion of horizontal direction, traversing or vertical shift, makes cushion cap corner horizontal coordinate reach
To requiring, lock all of first cross cylinder and the second cross cylinder.
Further, also include step 4, between steel-pipe pile and cushion cap pier shaft, squeeze into gad block hold tightly.It is possible to prevent location
After steel-pipe pile and cushion cap occur mobile.
Further, also include step 5, between every steel-pipe pile outer peripheral face and cushion cap vertical through holes, weld multiple cutting
Power key, makes the vertical side of each shear connector be connected in steel-pipe pile outer peripheral face, makes the bottom surface of each shear connector be connected on cushion cap;
Then concrete perfusion between steel-pipe pile outer peripheral face and the cushion cap vertical through holes not installing three-dimensional jack, makes not install three-dimensional
The steel-pipe pile of jack is fixed together with cushion cap, then removes suspension bracket, detent mechanism waterborne and Underwater Navigation mechanism.Pass through
Shear connector and concrete are connected steel-pipe pile and cushion cap, consolidate location achievement further.
Due to the fact that and be provided with the suspension bracket being fixedly connected with cushion cap, detent mechanism waterborne, Underwater Navigation mechanism, hydraulic pump
Stand, main control mechanism and measuring mechanism, detent mechanism waterborne include four three-dimensional jack, each three-dimensional jack include one solid
Reservation and be arranged on fixing seat one can the Mobile base of horizontal shift, Mobile base is provided with at least vertical oil cylinder and
At least three first cross cylinders, the vertical oil cylinder on each three-dimensional jack withstands suspension bracket, each first cross cylinder one end
Withstand fixing seat;Described Underwater Navigation mechanism includes at least ten two second cross cylinders, and cushion cap is erecting near each of corner
Being provided with at least three second cross cylinders on through-hole inner surface, every second cross cylinder one end is withstood outside fixing steel-pipe pile
Surface;Master control system can set the mobile data of each cylinder piston rod according to the parameter that measuring mechanism provides and control hydraulic pump
A cylinder action or the action simultaneously of multiple oil cylinder are ordered about in action of standing;By controlling the vertical oil cylinder on four three-dimensional jack
Do asynchronous and synchronous jacking, decline, cushion cap lifting can be realized, sidewinder and pitching, control the first level on four three-dimensional jack
The second cross cylinder action on oil cylinder and Underwater Navigation mechanism can realize the torsion of cushion cap, traversing and vertical shift.Therefore can be
Quickly adjusting the space coordinates of cushion cap in certain limit, it is achieved the location between cushion cap and steel-pipe pile, its positioning precision is high, speed
Hurry up, can effectively reduction of erection time, minimizing fund input.
The present invention can apply in marine environment and rivers, quickly positions large-scale cushion cap component, and range of application is relatively
For extensively.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is three-dimensional jack of the present invention and bearing carrier and steel-pipe pile top cooperate top view;
Fig. 4 is the B-B sectional view of Fig. 3.
Detailed description of the invention
With specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings.
Shown in Fig. 1 to Fig. 4, a kind of system making prefabricated cushion cap be mutually located with many fixing steel-pipe piles, including suspension bracket 1,
Detent mechanism waterborne, Underwater Navigation mechanism, hydraulic power unit, main control mechanism and measuring mechanism;Suspension bracket 1 is connected cushion cap 2 and detachable,
Cushion cap 2 is fixed steel-pipe pile 3 and is matched being provided with six vertical through holes 21 near its four corners and centre position with the six roots of sensation;
Described detent mechanism waterborne includes that four three-dimensional jack 4, each three-dimensional jack 4 are arranged close to cushion cap 2 jiaos
The top of the steel-pipe pile 3 fallen, connects a bearing carrier 5 at the top of the steel-pipe pile 3 installing three-dimensional jack 4, described in hold
Carrying upper plate 51 and lower plate 52 that component 5 includes being parallel to each other, the neighboring of upper plate 51 is circular, and lower plate 52 neighboring is circular,
The centre position of upper plate 51 offers through hole 511, is connected by multiple gripper shoes 53 between upper plate 51 and lower plate 52, upper plate 51
And between lower plate 52, also it being installed with many pull bars 54, multiple gripper shoe 53 and Duo Gen pull bars 54 are equal along the circumference of upper plate 51 and lower plate 52
Even distribution, the top of every pull bar 54 is connected with top nut 541, and top nut 541 is against the upper surface of upper plate 51, every pull bar 54
Bottom be connected with lower nut, lower nut is against the lower surface of lower plate 52, and lower plate 52 is in the endoporus of steel-pipe pile 3, upper plate 51
Lower surface be supported on the end face at steel-pipe pile 3 top, the lower surface of lower plate 52 being fixed with to intersect multiple adding of arranging
Strong plate 55;
Each three-dimensional jack 4 includes that a fixing seat 41 and be arranged on fixing seat 41 one can the shiftings of horizontal shift
Dynamic seat 42, Mobile base 42 is provided with a vertical oil cylinder 43 and four first cross cylinders 44, four first cross cylinders 44
In crossing distribution, vertical oil cylinder 43 piston rod on each three-dimensional jack 4 withstands suspension bracket 1, each first cross cylinder 44
Fixing seat 41 is withstood in piston rod one end;
It is provided with antifriction slide plate 45 between described Mobile base 42 and fixing seat 41;
Match to lock antifriction slide plate with antifriction slide plate 45 equipped with a static pressure oil cylinder 46 in the middle of described Mobile base 42 bottom
45 or open antifriction slide plate 45;
Described fixing seat 41 is supported on the upper surface of described lower plate 52.
Described Underwater Navigation mechanism includes ten six roots of sensation the second cross cylinders 6, and cushion cap 2 is in each vertical through holes near corner
Being provided with four second cross cylinders 6 on 21 inner surfacies, four second cross cylinders 6 are in the same of vertical through holes 21 inner surface
On cross section, in four second cross cylinders 6 two second cross cylinders 6 be transversely distributed, other two second cross cylinders 6
Along genesis analysis, four second cross cylinders 6 can be arranged on cushion cap 2 table in the vertical through holes 21 in corner by installing rack 61
On face, correspondence position pre-embedded steel slab on vertical through holes 21 inner surface of cushion cap 2, the cylinder body of every second cross cylinder 6 utilizes
Bolt is connected with pre-embedded steel slab, and then fixing steel-pipe pile 3 outer surface is withstood in one end of every second cross cylinder 6 piston rod.
Described measuring mechanism includes the displacement transducer 7 being arranged on every oil cylinder and the multiple little rib being contained on cushion cap 2
Mirror and the total powerstation with multiple little prism conjunction measurings, displacement transducer 7 is contained in the bottom of every cylinder block, displacement transducer
The displacement of 7 detection cylinder piston rods, the multiple little prism being contained on cushion cap 2 and the full station with multiple little prism conjunction measurings
Instrument is for detecting the space coordinates of cushion cap 2.
The pressure transducer operating pressure with monitoring oil cylinder also can be set in each cylinder block, at every vertical oil cylinder 43
Oil inlet and outlet between also can install balance all carry valve, with the vertical oil cylinder of leak free pinning 43, quick-fried at accidental power failure or oil pipe
In the case of splitting, still can guarantee that vertical oil cylinder 43 will not freely glide, make vertical the born load of oil cylinder 43 be not at losing
Control condition.
The detent mechanism waterborne matched with every steel-pipe pile 3 and Underwater Navigation mechanism arrange a hydraulic power unit and control,
Then four hydraulic power unit coordinated signals, every hydraulic power unit can use frequency conversion oil pump unit;After four hydraulic power units start
When making four vertical oil cylinder 43 common jackings, if after once a hydraulic power unit breaks down, remaining hydraulic power unit can also
Four vertical oil cylinders 43 of common driving continue to bear load, it is ensured that the safety in jacking and regulation and pressure maintaining period.
Each cylinder action can be driven after four hydraulic power unit coordinated signals;When described measuring mechanism is the displacement parameter of oil cylinder
Sending master control system to the space coordinate parameters of cushion cap 2, master control system just can set according to the parameter that measuring mechanism provides
The mobile data of each oil cylinder also control four hydraulic power unit actions and order about a cylinder action or the action simultaneously of multiple oil cylinder.
Master control system can be made up of PLC and computer.
This alignment system can by control the vertical oil cylinder 43 on four three-dimensional jack 4 do asynchronous and synchronous jacking,
Decline, cushion cap 2 can be realized and lift, sidewinder and pitching, by controlling on four three-dimensional jack 4 first cross cylinder 44 and under water
The second cross cylinder 6 action on detent mechanism can realize the torsion of cushion cap 2, traversing and vertical shift.
The present embodiment also provides for the positioning process of above-mentioned alignment system, and before the construction of location, six roots of sensation steel-pipe pile 3 is according in advance
On the basis of the bottom is squeezed in the position of design, the external diameter of every steel-pipe pile may be set to 2m, and described vertical through holes 21 sets vertically
Having multiple radial direction inner concave, the minimum diameter of vertical through holes 21 may be set to 2.5m.
The positioning process of above-mentioned alignment system comprises the following steps:
Step one, utilize 1 cushion cap 2 of suspension bracket to winch on many steel-pipe piles 3 and make many steel-pipe piles 3 through many on cushion cap 2
Individual vertical through holes 21, the lifting of suspension bracket 1 is completed by crane barge facility;Then crane barge loosens suspension bracket 1 and makes suspension bracket 1 be supported on four three
On the vertical oil cylinder 43 of dimension jack 4, it is achieved just position;
After step 2, suspension bracket 1 are in place, the plane elevation of cushion cap 2 is adjusted, makes the on each three-dimensional jack 4
One cross cylinder 44 maintains static, now locking antifriction slide plate 45, then measures cushion cap 2 four angular coordinate by measuring mechanism, main
The vertical oil cylinder 43 that Ore-controlling Role orders about four three-dimensional jack 4 according to the control hydraulic power unit action of cushion cap 2 four angular coordinate does different
Step jacking operation, makes 2 four jiaos of elevation coordinate of cushion cap be in same level;Then vertical by four three-dimensional jack 4
Oil cylinder 43 synchronization of jacking up, makes the vertical coordinate of cushion cap 2 reach to design requirement, then locks the vertical oil cylinder of four three-dimensional jack 4
43, fixed bearing platform 2 elevation coordinate, the locking of vertical oil cylinder 43 can be completed by mechanically and hydraulically two kinds of means;
Step 3, open antifriction slide plate 45, make the first cross cylinder 44 of detent mechanism waterborne and Underwater Navigation mechanism
One cylinder action of the second cross cylinder 6 or multiple cylinder action, make cushion cap 2 do the torsion of horizontal direction, traversing or vertical shift,
Make 2 four jiaos of horizontal coordinates of cushion cap reach requirement, lock all of first cross cylinder 44 and the second cross cylinder 6, same first
The locking of cross cylinder 44 and the second cross cylinder 6 can be completed by mechanically and hydraulically two kinds of means, then relocks antifriction
Slide plate 45;
Step 4, squeezing into gad block 8 hold tightly between steel-pipe pile 3 and cushion cap 2 pier shaft 22, holding rear gad block 8 tightly can be with steel
Pile tube 3 welds together;Also can be real with steel plate wedge between suspension bracket 1 and bearing carrier 5;
Step 5, between every steel-pipe pile 3 outer peripheral face with cushion cap 2 vertical through holes 21, weld multiple shear connector 9, make each
The vertical side welding of shear connector 9 is connected in steel-pipe pile 3 outer peripheral face, makes the bottom surface of each shear connector 9 be connected on cushion cap 2, holds
Platform 2 can weld with the bottom surface of shear connector 9 by pre-embedded steel slab mutually;Shear connector 9 welded after can to cushion cap 2 back cover, draw water;Then exist
Concrete perfusion between steel-pipe pile 3 outer peripheral face and cushion cap 2 vertical through holes 21 of three-dimensional jack 4 is not installed, makes not install three-dimensional
The steel-pipe pile 3 of jack 4 is fixed together with cushion cap 2, concrete curing after, remove suspension bracket 1, detent mechanism waterborne and under water
Detent mechanism, completes whole positioning process flow process.
In above-mentioned positioning process, in order to be made intense adjustment, the coordinate of cushion cap 2 is in course of adjustment, vertical and level
Coordinate still has and changes by a small margin, therefore still tackles after adjusting end in place vertically and horizontal coordinate carries out repetition measurement and adjustment,
If coordinate figure deviation exceeds design error requirement, then it is repeated in being vertically finely adjusted whole again, directly with two steps of horizontal adjustment
To being finally reached design requirement;Finally make cushion cap 2 pier top kernel of section position and design centre position deviation less than 10mm, top
The requirement less than 10mm of the face vertical error.
Below being only one preferred embodiment of the present invention, those skilled in the art is made the change being equal to by claim
Both fall within the protection domain of this case.
Claims (9)
1. one kind makes the system that prefabricated cushion cap is mutually located with many fixing steel-pipe piles, it is characterised in that: include suspension bracket, waterborne fixed
Position mechanism, Underwater Navigation mechanism, hydraulic power unit, main control mechanism and measuring mechanism;Suspension bracket is connected cushion cap and detachable, and cushion cap is leaning on
Its four corners nearly and centre position are provided with multiple vertical through holes and match with many fixing steel-pipe piles;
Described detent mechanism waterborne includes that four three-dimensional jack, each three-dimensional jack are arranged close to of cushion cap corner
The top of steel-pipe pile, each three-dimensional jack includes that a fixing seat and be arranged on fixing seat one can the shiftings of horizontal shift
Dynamic seat, Mobile base is provided with at least vertical oil cylinder and at least three first cross cylinders, on each three-dimensional jack
Vertical oil cylinder withstands suspension bracket, and fixing seat is withstood in each first cross cylinder one end;
Described Underwater Navigation mechanism includes at least ten two second cross cylinders, and cushion cap is in each vertical through holes in corner
Being provided with at least three second cross cylinders on surface, fixing steel-pipe pile outer surface is withstood in every second cross cylinder one end;
Described hydraulic power unit is used for driving each cylinder action;Described measuring mechanism is the displacement parameter of cylinder piston rod and cushion cap
Space coordinate parameters sends master control system to, and master control system sets the shifting of each cylinder piston rod according to the parameter that measuring mechanism provides
Dynamic data also control action while that a cylinder action or multiple oil cylinder being ordered about in hydraulic power unit action;
Described measuring mechanism include the displacement transducer being arranged on every oil cylinder and the multiple little prism that is contained on cushion cap and with
The total powerstation of multiple little prism conjunction measurings.
A kind of system making prefabricated cushion cap be mutually located with many fixing steel-pipe piles the most according to claim 1, its feature
It is: between described Mobile base and fixing seat, be provided with antifriction slide plate.
A kind of system making prefabricated cushion cap be mutually located with many fixing steel-pipe piles the most according to claim 2, its feature
It is: match lock antifriction slide plate or open antifriction with antifriction slide plate equipped with a static pressure oil cylinder in the middle of described Mobile base bottom
Slide plate.
A kind of system making prefabricated cushion cap be mutually located with many fixing steel-pipe piles the most according to claim 1, its feature
It is: on the Mobile base of each three-dimensional jack, a vertical oil cylinder and four first cross cylinders, four first water are installed
Flat oil cylinder is crossing distribution;Cushion cap is being provided with four second level oil on each vertical through holes inner surface in corner
Cylinder, four second cross cylinders are on the same cross section of vertical through holes inner surface, in four second cross cylinders two
Two cross cylinders are transversely distributed, other two second cross cylinders are along genesis analysis.
5. make the prefabricated cushion cap with many fixing steel-pipe piles are mutually located be according to a kind of described in any one of Claims 1-4
System, it is characterised in that: a bearing carrier, fixing on three-dimensional jack is connected at the top of the steel-pipe pile installing three-dimensional jack
Seat supports is on described bearing carrier.
A kind of system making prefabricated cushion cap be mutually located with many fixing steel-pipe piles the most according to claim 5, its feature
It is: described bearing carrier includes upper plate and the lower plate being parallel to each other, and is connected by multiple gripper shoes between upper plate and lower plate,
Also being installed with many pull bars between upper plate and lower plate, the top of every pull bar is connected with top nut, and top nut is against the upper end of upper plate
Face, the bottom of every pull bar is connected with lower nut, and lower nut is against the lower surface of lower plate, and the centre position of upper plate offers logical
Hole;The neighboring of described upper plate is circular, and described lower plate neighboring be circle, the lower surface of lower plate is fixed with to intersect sets
The multiple reinforcing plates put;Lower plate is in the endoporus of steel-pipe pile, and the upper surface of lower plate supports the fixing seat on three-dimensional jack, on
The lower surface of plate is supported on the end face at steel-pipe pile top.
7. a kind of system making prefabricated cushion cap be mutually located with many fixing steel-pipe piles described in an any one of claim 1 to 6
Positioning process, it comprises the following steps:
Step one, utilize suspension bracket that cushion cap is winched on many steel-pipe piles and make many steel-pipe piles through multiple vertical logical on cushion cap
Hole, then hanger supports is on the vertical oil cylinder of four three-dimensional jack, it is achieved just position;
After step 2, suspension bracket are in place, the plane elevation of cushion cap is adjusted, makes the first level oil on each three-dimensional jack
Cylinder maintains static, and measures cushion cap four angular coordinate by measuring mechanism, and master control system controls hydraulic power unit according to cushion cap four angular coordinate
Action is ordered about the vertical oil cylinder on four three-dimensional jack and is done asynchronous jacking operation, makes cushion cap corner elevation coordinate be in same
Horizontal plane;Then by the vertical oil cylinder synchronization of jacking up of four three-dimensional jack, make the vertical coordinate of cushion cap reach to design requirement, connect
The vertical oil cylinder of four three-dimensional jack of locking;
Step 3, make an oil cylinder of the first cross cylinder of detent mechanism waterborne and the second cross cylinder of Underwater Navigation mechanism
Action or multiple cylinder action, make cushion cap do the torsion of horizontal direction, traversing or vertical shift, makes cushion cap corner horizontal coordinate reach to want
Ask, lock all of first cross cylinder and the second cross cylinder.
Positioning process the most according to claim 7, it is characterised in that: also include step 4, at steel-pipe pile and cushion cap pier shaft
Between squeeze into gad block and hold tightly.
Positioning process the most according to claim 8, it is characterised in that: also include step 5, at every steel-pipe pile outer peripheral face
Weld multiple shear connector with between cushion cap vertical through holes, make the vertical side of each shear connector be connected in steel-pipe pile outer peripheral face, make
The bottom surface of each shear connector is connected on cushion cap;Then vertically lead to cushion cap at the steel-pipe pile outer peripheral face not installing three-dimensional jack
Concrete perfusion between hole, the steel-pipe pile making not install three-dimensional jack is fixed together with cushion cap, then removes suspension bracket, waterborne
Detent mechanism and Underwater Navigation mechanism.
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CN106012875B (en) * | 2016-07-28 | 2017-10-13 | 上海浦东新区公路建设发展有限公司 | The method of the local lossless jacking replacing time of plate girder bridge |
CN106429888B (en) * | 2016-12-02 | 2018-01-12 | 中交第二航务工程勘察设计院有限公司 | One kind precisely installs equipment and operating method for underwater components |
CN107030875B (en) * | 2017-05-31 | 2022-11-11 | 中国建筑土木建设有限公司 | Detachable and adjustable positioning system and positioning method for embedded ribs of prefabricated assembly bearing platform of bridge |
CN108414686B (en) * | 2018-02-06 | 2020-06-09 | 太原理工大学 | Test device for simulating longitudinal-transverse nonlinear supporting rigidity of foundation |
CN110777790A (en) * | 2019-05-21 | 2020-02-11 | 中煤江南建设发展有限公司 | High-precision vertical pile positioning and verticality adjusting device |
CN113428769B (en) * | 2021-05-13 | 2024-01-09 | 中交武汉港湾工程设计研究院有限公司 | Marine large prefabricated abutment integrated hoisting and positioning system and process |
CN113445423B (en) * | 2021-05-13 | 2022-04-22 | 中交武汉港湾工程设计研究院有限公司 | Universal holding device and holding method for prefabricated part and structural part |
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SU652259A1 (en) * | 1975-08-06 | 1979-03-15 | Специальное Конструкторское Бюро Главмостостроя | Reinforced-concrete pilework for temporary bridge support |
CN101666158B (en) * | 2009-09-15 | 2011-04-20 | 中冶实久建设有限公司 | Correction method of lifting platform supporting bars of cylinder body structural engineering of inversed cone water tower in slip-form construction |
CN102852095B (en) * | 2012-09-07 | 2014-10-22 | 中交第二航务工程局有限公司 | Prefabricated bridge abutment multifunctional lifting system and construction procedure thereof |
CN103362068B (en) * | 2013-07-22 | 2015-08-12 | 中铁大桥局集团有限公司 | The mounting method of prefabricated cushion cap |
CN204940319U (en) * | 2015-07-29 | 2016-01-06 | 厦门理工学院 | A kind of system that prefabricated cushion cap and many fixing steel pipe piles are located mutually |
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