CN105002919A - System for enabling prefabricated bearing platform and multiple fixed steel pipe piles to be mutually positioned and positioning process thereof - Google Patents
System for enabling prefabricated bearing platform and multiple fixed steel pipe piles to be mutually positioned and positioning process thereof Download PDFInfo
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- CN105002919A CN105002919A CN201510454167.XA CN201510454167A CN105002919A CN 105002919 A CN105002919 A CN 105002919A CN 201510454167 A CN201510454167 A CN 201510454167A CN 105002919 A CN105002919 A CN 105002919A
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Abstract
The invention discloses a system for enabling a prefabricated bearing platform and multiple fixed steel pipe piles to be mutually positioned. The system comprises a hanging bracket, a water positioning mechanism, an underwater positioning mechanism, a hydraulic pump station, a main control mechanism and a measurement mechanism, wherein the hanging bracket is fixedly connected with the bearing platform; the water positioning mechanism comprises four three-dimensional jacks; each three-dimensional jack comprises a fixed base and a movable base capable of moving horizontally; each movable base is provided with a vertical oil cylinder and at least three first horizontal oil cylinders; the vertical oil cylinders jack the hanging bracket; one end of each first horizontal oil cylinder jacks the corresponding fixed base; the underwater positioning mechanism comprises at least twelve second horizontal oil cylinders; one end of each second horizontal oil cylinder jacks the outer surface of the corresponding steel pipe pile; the hydraulic pump station is used for driving the oil cylinders to act; the main control system sets movement data of piston rods of the oil cylinders according to parameters provided by the measurement mechanism and controls the hydraulic pump station to drive the oil cylinders to act for positioning. The invention further provides a positioning process of the positioning system. The positioning precision is high; the positioning speed is high; the construction period is effectively shortened.
Description
Technical field
The present invention relates to the technical field that in construction work, cushion cap and pile tube are located mutually, especially a kind of prefabricated cushion cap and many fixing steel pipe piles are located mutually system and positioning process.
Background technology
At present, China's bridge spanning the sea, the excessively construction project of river bridge get more and more, the employing highrise pile cap form that its underpart structure is more, and the traditional construction technique for highrise pile cap mostly is caisson, cofferdam, its construction technology, flow process are comparatively ripe, but existence has high input, the shortcoming of long construction period.
In order to shorten construction period, reduce and drop into, assembling technique after the prefabricated assembled cushion cap explored in construction in recent years, namely cushion cap is prefabricated in factory, then be transported to on-site consolidation mutually assemble with the pile tube accomplished fluently and be connected, this construction process can shorten construction period greatly, is the developing direction of such structure construction from now on.
But install in the water of prefabricated assembled component, greatest difficulty is the accurate location of component, the precision controlling of traditional crane barge lifting, effectively cannot meet the requirement of design and current specifications, therefore in prefabricated member water, accurate location and installation technology is urgently to be resolved hurrily.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of system that prefabricated cushion cap and many fixing steel pipe piles are located mutually, and its positioning precision is high, speed fast, effective reduction of erection time, reduces fund input.
For achieving the above object, technical scheme of the present invention is: a kind of system that prefabricated cushion cap and many fixing steel pipe piles are located mutually, comprises suspension bracket, detent mechanism waterborne, Underwater Navigation mechanism, hydraulic power unit, main control mechanism and measuring mechanism; Suspension bracket is connected cushion cap and detachable, and cushion cap matches with many fixing steel pipe piles being provided with multiple vertical through holes near its four corners and centre position;
Described detent mechanism waterborne comprises four three-dimensional jack, each three-dimensional jack is arranged on the top of a steel pipe pile near cushion cap corner, each three-dimensional jack comprises a holder and is arranged on holder one can the Mobile base of horizontal shift, Mobile base is provided with at least one vertical oil cylinder and at least three first cross cylinders, vertical oil cylinder on each three-dimensional jack withstands suspension bracket, and holder is withstood in each first cross cylinder one end;
Described Underwater Navigation mechanism comprises at least ten two second cross cylinders, and cushion cap is provided with at least three second cross cylinders on each vertical through holes inner surface near corner, and fixing steel pipe pile external surface is withstood in every root second cross cylinder one end;
Described hydraulic power unit is for driving each cylinder action; Described measuring mechanism sends master control system to the space coordinate parameters of the displacement parameter of cylinder piston rod and cushion cap, the Mobile data of each cylinder piston rod of setting parameter that master control system provides according to a measuring mechanism cylinder action or the action simultaneously of multiple oil cylinder are ordered about in the action of hydraulic control pumping plant.
Preferred described measuring mechanism comprises and is arranged on displacement transducer on every root oil cylinder and is contained in the multiple little prism on cushion cap and the total powerstation with multiple little prism conjunction measuring.
Further improvement, is provided with antifriction slide plate between described Mobile base and holder.To reduce the force of sliding friction of Mobile base, facilitate the horizontal shift of cushion cap.
Further improvement, is equipped with a static pressure oil cylinder in the middle of described Mobile base bottom and matches with antifriction slide plate lock antifriction slide plate or open antifriction slide plate.
The Mobile base of preferred each three-dimensional jack is provided with a vertical oil cylinder and four first cross cylinders, four first cross cylinders are crossing distribution; Cushion cap is provided with four second cross cylinders on each vertical through holes inner surface near corner, four second cross cylinders are on the same cross section of vertical through holes inner surface, and in four second cross cylinders, two second cross cylinders transversely distribute, other two second cross cylinders longitudinally distribute.
Further improvement, connect a bearing carrier at the top of the steel pipe pile installing three-dimensional jack, the holder on three-dimensional jack is supported on described bearing carrier.The installation of three-dimensional jack can be facilitated like this.
Preferred described bearing carrier comprises the upper plate and lower plate that are parallel to each other, be connected by multiple gripper shoe between upper plate and lower plate, many pull bars are also installed with between upper plate and lower plate, the top of every root pull bar is connected with top nut, top nut is against the upper surface of upper plate, the bottom of every root 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 through hole; The neighboring of described upper plate is circular, and described lower plate neighboring is circular, the lower surface of lower plate is fixed with multiple stiffeners mutually arranged in a crossed manner; Lower plate is in the endoporus of steel pipe pile, and the upper surface of lower plate supports the holder on three-dimensional jack, and 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 multiple vertical through holes on cushion cap, then hanger supports is on the vertical oil cylinder of four three-dimensional jack, realizes just location;
After step 2, suspension bracket are in place, the plane elevation of cushion cap is adjusted, the first cross cylinder on each three-dimensional jack is maintained static, cushion cap four angular coordinate is measured by measuring mechanism, master control system does asynchronous jacking operation according to the cushion cap four angular coordinate hydraulic control pumping plant action vertical oil cylinder ordered about on four three-dimensional jack, 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 designing requirement, then lock the vertical oil cylinder of four three-dimensional jack;
Step 3, the cylinder action making the first cross cylinder of detent mechanism waterborne and the second cross cylinder of Underwater Navigation mechanism or multiple cylinder action, cushion cap is made to do the torsion of horizontal direction, traversing or vertical shift, make cushion cap corner horizontal coordinate reach requirement, lock the first all cross cylinders and the second cross cylinder.
Further, also comprise step 4, between steel pipe pile and cushion cap pier shaft, squeeze into gad block hold tightly.Can prevent the steel pipe pile after locating and cushion cap from occurring mobile.
Further again, also comprise step 5, weld multiple shear connector at every root steel pipe pile outer peripheral face 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 be connected on cushion cap; Then do not installing concrete perfusion between the steel pipe pile outer peripheral face of three-dimensional jack and cushion cap vertical through holes, the steel pipe pile and the cushion cap that make not install three-dimensional jack are fixed together, and then remove suspension bracket, detent mechanism waterborne and Underwater Navigation mechanism.To be connected steel pipe pile and cushion cap by shear connector and concrete, to consolidate location achievement further.
The present invention is owing to being provided with the suspension bracket be connected mutually with cushion cap, detent mechanism waterborne, Underwater Navigation mechanism, hydraulic power unit, main control mechanism and measuring mechanism, detent mechanism waterborne comprises four three-dimensional jack, each three-dimensional jack comprises a holder and is arranged on holder one can the Mobile base of horizontal shift, Mobile base is provided with at least one vertical oil cylinder and at least three first cross cylinders, vertical oil cylinder on each three-dimensional jack withstands suspension bracket, and holder is withstood in each first cross cylinder one end; Described Underwater Navigation mechanism comprises at least ten two second cross cylinders, and cushion cap is provided with at least three second cross cylinders on each vertical through holes inner surface near corner, and fixing steel pipe pile external surface is withstood in every root second cross cylinder one end; The Mobile data of each cylinder piston rod of setting parameter that master control system can provide according to a measuring mechanism cylinder action or the action simultaneously of multiple oil cylinder are ordered about in the action of hydraulic control pumping plant; Asynchronous and synchronization of jacking up, decline is done by the vertical oil cylinder controlled on four three-dimensional jack, can realize cushion cap lifting, sidewinder and pitching, the second cross cylinder action controlled on four three-dimensional jack on the first cross cylinder and Underwater Navigation mechanism can realize the torsion of cushion cap, traversing and vertical shift.Therefore can the space coordinates of rapid adjustment cushion cap within the specific limits, realize the location between cushion cap and steel pipe pile, its positioning precision is high, speed is fast, can effective reduction of erection time, minimizing fund input.
The present invention can apply in marine environment and rivers, and carry out quick position to large-scale cushion cap component, range of application is comparatively extensive.
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 that the three-dimensional jack of the present invention and bearing carrier and steel pipe pile top cooperatively interact top view;
Fig. 4 is the B-B sectional view of Fig. 3.
Detailed description of the invention
Below in conjunction with accompanying drawing and concrete embodiment, the present invention is described in further detail.
Shown in Fig. 1 to Fig. 4, a kind of system that prefabricated cushion cap and many fixing steel pipe piles are located mutually, comprises 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, and cushion cap 2 is fixed steel pipe pile 3 with the six roots of sensation and matched being provided with six vertical through holes 21 near its four corners and centre position;
Described detent mechanism waterborne comprises four three-dimensional jack 4, each three-dimensional jack 4 is arranged on the top of a steel pipe pile 3 near cushion cap 2 corner, a bearing carrier 5 is connected at the top of the steel pipe pile 3 installing three-dimensional jack 4, described bearing carrier 5 comprises the upper plate 51 and lower plate 52 that are parallel to each other, the neighboring of upper plate 51 is circular, lower plate 52 neighboring is circular, the centre position of upper plate 51 offers through hole 511, be connected by multiple gripper shoe 53 between upper plate 51 and lower plate 52, many pull bars 54 are also installed with between upper plate 51 and lower plate 52, multiple gripper shoe 53 and Duo Gen pull bar 54 are uniformly distributed along the circumference of upper plate 51 and lower plate 52, the top of every root pull bar 54 is connected with top nut 541, top nut 541 is against the upper surface of upper plate 51, the bottom of every root pull bar 54 is connected with lower nut, lower nut is against the lower surface of lower plate 52, lower plate 52 is in the endoporus of steel pipe pile 3, the lower surface of upper plate 51 is supported on the end face at steel pipe pile 3 top, the lower surface of lower plate 52 is fixed with multiple stiffeners 55 mutually arranged in a crossed manner,
Each three-dimensional jack 4 comprises a holder 41 and is arranged on holder 41 one can the Mobile base 42 of horizontal shift, Mobile base 42 is provided with a vertical oil cylinder 43 and four first cross cylinders 44, four first cross cylinders 44 are in crossing distribution, vertical oil cylinder 43 piston rod on each three-dimensional jack 4 withstands suspension bracket 1, and holder 41 is withstood in each first cross cylinder 44 piston rod one end;
Antifriction slide plate 45 is provided with between described Mobile base 42 and holder 41;
In the middle of described Mobile base 42 bottom, a static pressure oil cylinder 46 is housed to match with antifriction slide plate 45 lock antifriction slide plate 45 or open antifriction slide plate 45;
Described holder 41 is supported on the upper surface of described lower plate 52.
Described Underwater Navigation mechanism comprises ten six roots of sensation second cross cylinders 6, cushion cap 2 is provided with four second cross cylinders 6 on each vertical through holes 21 inner surface near corner, four second cross cylinders 6 are on the same cross section of vertical through holes 21 inner surface, in four second cross cylinders 6, two second cross cylinders 6 transversely distribute, other two second cross cylinders 6 longitudinally distribute, four second cross cylinders 6 can be arranged on cushion cap 2 on vertical through holes 21 inner surface in corner by installing rack 61, correspondence position pre-embedded steel slab on vertical through holes 21 inner surface of cushion cap 2, the cylinder body of every root second cross cylinder 6 utilizes bolt and pre-embedded steel slab to be connected, then fixing steel pipe pile 3 external surface is withstood in one end of every root second cross cylinder 6 piston rod.
Described measuring mechanism comprises and is arranged on displacement transducer on every root oil cylinder 7 and is contained in the multiple little prism on cushion cap 2 and the total powerstation with multiple little prism conjunction measuring, displacement transducer 7 is contained in the bottom of every root cylinder block, displacement transducer 7 detects the displacement of cylinder piston rod, be contained in multiple little prism on cushion cap 2 and with the total powerstation of multiple little prism conjunction measuring for detecting the space coordinates of cushion cap 2.
Pressure sensor also can be set in each cylinder block to monitor the operating pressure of oil cylinder, balance also can be installed between the oil inlet and outlet of the vertical oil cylinder 43 of every root and all carry valve, with the vertical oil cylinder 43 of leak free pinning, when accidental power failure or oil pipe burst, still can ensure that vertical oil cylinder 43 can not freely glide, make vertical oil cylinder 43 bear load and can not be in condition out of control.
The detent mechanism waterborne matched with every root steel pipe pile 3 and Underwater Navigation organization establishes hydraulic power unit control, then four hydraulic power unit coordinated signals, and every platform hydraulic power unit can adopt frequency conversion oil pump unit; When making the common jacking of four vertical oil cylinders 43 after four hydraulic power units start, if once after a hydraulic power unit breaks down, remaining hydraulic power unit can also drive four vertical oil cylinders 43 to continue bearing load jointly, ensure that the safety in jacking and adjustment and pressure maintaining period.
Each cylinder action can be driven after four hydraulic power unit coordinated signals; When described measuring mechanism sends master control system to the space coordinate parameters of the displacement parameter of oil cylinder and cushion cap 2, the Mobile data of each oil cylinder of setting parameter that master control system just can provide according to measuring mechanism also controls four hydraulic power unit actions and orders about a cylinder action or the action simultaneously of multiple oil cylinder.
Master control system can be made up of PLC and computer.
This navigation system can do asynchronous and synchronization of jacking up, decline by the vertical oil cylinder 43 on the three-dimensional jack 4 of control four, cushion cap 2 can be realized be elevated, sidewinder and pitching, the torsion of cushion cap 2, traversing and vertical shift can be realized by the second cross cylinder 6 action controlled on four three-dimensional jack 4 on first cross cylinder 44 and Underwater Navigation mechanism.
The present embodiment also provides the positioning process of above-mentioned navigation system, before the construction of location, six roots of sensation steel pipe pile 3 is squeezed on water-bed basis according to the position designed in advance, the external diameter of every root steel pipe pile can be set as 2m, described vertical through holes 21 is provided with multiple radial inner concave vertically, and the minimum diameter of vertical through holes 21 can be set as 2.5m.
The positioning process of above-mentioned navigation system comprises the following steps:
Step one, utilize suspension bracket 1 that cushion cap 2 is winched on many steel pipe piles 3 and make many steel pipe piles 3 through multiple vertical through holes 21 on cushion cap 2, 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 the vertical oil cylinder 43 of four three-dimensional jack 4, realizes just location;
After step 2, suspension bracket 1 are in place, the plane elevation of cushion cap 2 is adjusted, the first cross cylinder 44 on each three-dimensional jack 4 is maintained static, now lock antifriction slide plate 45, then cushion cap 2 four angular coordinate is measured by measuring mechanism, the vertical oil cylinder 43 that master control system orders about four three-dimensional jack 4 according to the action of cushion cap 2 four angular coordinate hydraulic control pumping plant does asynchronous jacking operation, makes cushion cap 2 four jiaos of elevation coordinate be in same level; Then by vertical oil cylinder 43 synchronization of jacking up on four three-dimensional jack 4, the vertical coordinate of cushion cap 2 is made to reach designing requirement, then lock the vertical oil cylinder 43 of four three-dimensional jack 4, fixed bearing platform 2 elevation coordinate, the locking of vertical oil cylinder 43 can be completed by machinery and hydraulic pressure two kinds of means;
Step 3, unlatching antifriction slide plate 45, make a cylinder action of the first cross cylinder 44 of detent mechanism waterborne and the second cross cylinder 6 of Underwater Navigation mechanism or multiple cylinder action, cushion cap 2 is made to do the torsion of horizontal direction, traversing or vertical shift, cushion cap 2 four jiaos of horizontal coordinates are made to reach requirement, lock the first all cross cylinder 44 and the second cross cylinders 6, the locking of same first cross cylinder 44 and the second cross cylinder 6 can be completed by machinery and hydraulic pressure two kinds of means, then locks antifriction slide plate 45 again;
Step 4, squeeze 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 weld together with steel pipe pile 3; Also can be real with steel plate wedge between suspension bracket 1 and bearing carrier 5;
Step 5, weld multiple shear connector 9 at every root steel pipe pile 3 outer peripheral face with between cushion cap 2 vertical through holes 21, the vertical side welding of each shear connector 9 is made to be connected in steel pipe pile 3 outer peripheral face, make the bottom surface of each shear connector 9 be connected on cushion cap 2, cushion cap 2 can weld with the bottom surface of shear connector 9 by pre-embedded steel slab mutually; After shear connector 9 has welded can to cushion cap 2 back cover, draw water; Then concrete perfusion between steel pipe pile 3 outer peripheral face of three-dimensional jack 4 and cushion cap 2 vertical through holes 21 be not installed, the steel pipe pile 3 not installing three-dimensional jack 4 is fixed together with cushion cap 2, after concrete curing, remove suspension bracket 1, detent mechanism waterborne and Underwater Navigation mechanism, complete whole positioning process flow process.
In above-mentioned positioning process, in order to do to obtain intense adjustment, the coordinate of cushion cap 2 is in course of adjustment, vertical and horizontal coordinate still has and changes by a small margin, therefore after adjustment end in place, still tackle vertical and horizontal coordinate carry out repetition measurement and adjustment, if coordinate value deviation exceeds design error requirement, then repeat vertical and Level tune two steps successively and carry out inching again, until finally reach designing requirement; Finally make center, cushion cap 2 pier top section and design centre position deviation be no more than 10mm, elevation of top surface error is no more than the requirement of 10mm.
Below be only the present invention's preferred embodiment, those skilled in the art makes by claim the protection domain that equivalent change all falls into this case.
Claims (10)
1. the system making prefabricated cushion cap and many fixing steel pipe piles mutually locate, is characterized in that: comprise suspension bracket, detent mechanism waterborne, Underwater Navigation mechanism, hydraulic power unit, main control mechanism and measuring mechanism; Suspension bracket is connected cushion cap and detachable, and cushion cap matches with many fixing steel pipe piles being provided with multiple vertical through holes near its four corners and centre position;
Described detent mechanism waterborne comprises four three-dimensional jack, each three-dimensional jack is arranged on the top of a steel pipe pile near cushion cap corner, each three-dimensional jack comprises a holder and is arranged on holder one can the Mobile base of horizontal shift, Mobile base is provided with at least one vertical oil cylinder and at least three first cross cylinders, vertical oil cylinder on each three-dimensional jack withstands suspension bracket, and holder is withstood in each first cross cylinder one end;
Described Underwater Navigation mechanism comprises at least ten two second cross cylinders, and cushion cap is provided with at least three second cross cylinders on each vertical through holes inner surface near corner, and fixing steel pipe pile external surface is withstood in every root second cross cylinder one end;
Described hydraulic power unit is for driving each cylinder action; Described measuring mechanism sends master control system to the space coordinate parameters of the displacement parameter of cylinder piston rod and cushion cap, the Mobile data of each cylinder piston rod of setting parameter that master control system provides according to a measuring mechanism cylinder action or the action simultaneously of multiple oil cylinder are ordered about in the action of hydraulic control pumping plant.
2. a kind of system that prefabricated cushion cap and many fixing steel pipe piles are located mutually according to claim 1, is characterized in that: described measuring mechanism comprises and is arranged on displacement transducer on every root oil cylinder and is contained in the multiple little prism on cushion cap and the total powerstation with multiple little prism conjunction measuring.
3. a kind of system that prefabricated cushion cap and many fixing steel pipe piles are located mutually according to claim 1, is characterized in that: be provided with antifriction slide plate between described Mobile base and holder.
4. a kind of system that prefabricated cushion cap and many fixing steel pipe piles are located mutually according to claim 3, is characterized in that: in the middle of described Mobile base bottom, a static pressure oil cylinder is housed and matches with antifriction slide plate lock antifriction slide plate or open antifriction slide plate.
5. a kind of system that prefabricated cushion cap and many fixing steel pipe piles are located mutually according to claim 1, it is characterized in that: the Mobile base of each three-dimensional jack is provided with a vertical oil cylinder and four first cross cylinders, four first cross cylinders are crossing distribution; Cushion cap is provided with four second cross cylinders on each vertical through holes inner surface near corner, four second cross cylinders are on the same cross section of vertical through holes inner surface, and in four second cross cylinders, two second cross cylinders transversely distribute, other two second cross cylinders longitudinally distribute.
6. a kind of system that prefabricated cushion cap and many fixing steel pipe piles are located mutually according to any one of claim 1 to 5, it is characterized in that: connect a bearing carrier at the top of the steel pipe pile installing three-dimensional jack, the holder on three-dimensional jack is supported on described bearing carrier.
7. a kind of system that prefabricated cushion cap and many fixing steel pipe piles are located mutually according to claim 6, it is characterized in that: described bearing carrier comprises the upper plate and lower plate that are parallel to each other, be connected by multiple gripper shoe between upper plate and lower plate, many pull bars are also installed with between upper plate and lower plate, the top of every root pull bar is connected with top nut, top nut is against the upper surface of upper plate, the bottom of every root pull bar is connected with lower nut, lower nut is against the lower surface of lower plate, and the centre position of upper plate offers through hole; The neighboring of described upper plate is circular, and described lower plate neighboring is circular, the lower surface of lower plate is fixed with multiple stiffeners mutually arranged in a crossed manner; Lower plate is in the endoporus of steel pipe pile, and the upper surface of lower plate supports the holder on three-dimensional jack, and the lower surface of upper plate is supported on the end face at steel pipe pile top.
8. a positioning process for navigation system described in any one of claim 1 to 7, 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 through holes on cushion cap, then hanger supports is on the vertical oil cylinder of four three-dimensional jack, realizes just location;
After step 2, suspension bracket are in place, the plane elevation of cushion cap is adjusted, the first cross cylinder on each three-dimensional jack is maintained static, cushion cap four angular coordinate is measured by measuring mechanism, master control system does asynchronous jacking operation according to the cushion cap four angular coordinate hydraulic control pumping plant action vertical oil cylinder ordered about on four three-dimensional jack, 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 designing requirement, then lock the vertical oil cylinder of four three-dimensional jack;
Step 3, the cylinder action making the first cross cylinder of detent mechanism waterborne and the second cross cylinder of Underwater Navigation mechanism or multiple cylinder action, cushion cap is made to do the torsion of horizontal direction, traversing or vertical shift, make cushion cap corner horizontal coordinate reach requirement, lock the first all cross cylinders and the second cross cylinder.
9. positioning process according to claim 8, is characterized in that: also comprise step 4, squeeze into gad block hold tightly between steel pipe pile and cushion cap pier shaft.
10. positioning process according to claim 9, it is characterized in that: also comprise step 5, weld multiple shear connector at every root steel pipe pile outer peripheral face 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 be connected on cushion cap; Then do not installing concrete perfusion between the steel pipe pile outer peripheral face of three-dimensional jack and cushion cap vertical through holes, the steel pipe pile and the cushion cap that make not install three-dimensional jack are fixed together, and then remove suspension bracket, detent mechanism waterborne and Underwater Navigation mechanism.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510454167.XA CN105002919B (en) | 2015-07-29 | 2015-07-29 | A kind of system making prefabricated cushion cap be mutually located with many fixing steel-pipe piles and positioning process thereof |
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| CN201510454167.XA CN105002919B (en) | 2015-07-29 | 2015-07-29 | A kind of system making prefabricated cushion cap be mutually located with many fixing steel-pipe piles and positioning process thereof |
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| CN106012875A (en) * | 2016-07-28 | 2016-10-12 | 上海浦东新区公路建设发展有限公司 | Local undamaged jacking replacement method for supports of plate girder bridge |
| CN106429888A (en) * | 2016-12-02 | 2017-02-22 | 中交第二航务工程勘察设计院有限公司 | Equipment for precise installation of underwater component and operation method |
| CN107030875A (en) * | 2017-05-31 | 2017-08-11 | 中国建筑土木建设有限公司 | The bridge prefabrication assembly removable adjustable type alignment system of cushion cap embedded ribs and localization method |
| CN108414686A (en) * | 2018-02-06 | 2018-08-17 | 太原理工大学 | A kind of experimental rig of vertical-lateral non-linear support stiffness of analog basis |
| 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 |
| CN113428769A (en) * | 2021-05-13 | 2021-09-24 | 中交武汉港湾工程设计研究院有限公司 | Integrated hoisting and positioning system and process for large offshore prefabricated abutment |
| CN113445423A (en) * | 2021-05-13 | 2021-09-28 | 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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| CN108414686A (en) * | 2018-02-06 | 2018-08-17 | 太原理工大学 | A kind of experimental rig of vertical-lateral non-linear support stiffness of analog basis |
| 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 |
| CN113428769A (en) * | 2021-05-13 | 2021-09-24 | 中交武汉港湾工程设计研究院有限公司 | Integrated hoisting and positioning system and process for large offshore prefabricated abutment |
| CN113445423A (en) * | 2021-05-13 | 2021-09-28 | 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 |
| 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 |
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