CN212956608U - Rock-socketed construction platform of combined type offshore wind power foundation steel pipe pile - Google Patents
Rock-socketed construction platform of combined type offshore wind power foundation steel pipe pile Download PDFInfo
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- CN212956608U CN212956608U CN202021527031.XU CN202021527031U CN212956608U CN 212956608 U CN212956608 U CN 212956608U CN 202021527031 U CN202021527031 U CN 202021527031U CN 212956608 U CN212956608 U CN 212956608U
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Abstract
The utility model discloses a combined type offshore wind power foundation steel pipe pile socketed construction platform, which comprises an upper layer platform, a lower layer platform, six engineering pile upper ring beams, six engineering pile lower ring beams, nine auxiliary pile upper cartridge sleeves and nine auxiliary pile lower cartridge sleeves; the upper-layer platform is rectangular and comprises eleven upper transverse main beams and eleven upper longitudinal main beams, and six upper engineering pile jacks which are arranged in a regular hexagon mode through connecting lines are reserved in the middle of the upper-layer platform; the six engineering pile upper ring beams are correspondingly arranged in six engineering pile upper jacks of the upper-layer platform one by one; nine auxiliary piles are inserted with sleeves and are arranged in the center, four corners and the middle of four edges of the upper-layer platform in a matrix manner of three rows and three columns; the outer contour shapes and sizes of the lower layer platform and the upper layer platform are the same; the upper and lower layers of platforms are connected through a plurality of vertical struts and a plurality of oblique struts. The utility model discloses an embedded rock construction platform can be suitable for multiple embedded rock steel-pipe pile basis pile-forming technology to the installation is demolishd the convenience.
Description
Technical Field
The utility model relates to a combined type offshore wind power basis steel-pipe pile socketed construction platform.
Background
At present, offshore wind farms are built with two trends: firstly, the construction water depth develops from an intertidal zone to a shallow sea; secondly, the single machine capacity of the fan is continuously increased and the unit is gradually enlarged. The method has the advantage that new requirements are required for the bearing platform foundation of the offshore wind turbine generator. The offshore wind power foundation pile adopts a shallow foundation geological covering layer which is common in steel pipe pile implantation and drilling technologies, and a bottom-sitting type construction platform is adopted, so that the platform structure is very huge, the cost is high and the platform stability and the levelness are difficult to guarantee due to the fact that the water depth is deep; if another method is adopted, after the pile sinking of the steel pipe engineering pile is finished, the steel pipe pile is connected by a firm steel body structure or high pile cap bottom sealing concrete construction is carried out on the basis of the pile sinking to be used as a support for subsequently building a construction platform, and the requirement on safety cannot be met due to the fact that the self-stability condition of the pile is difficult to meet. Most importantly, when the water depth distribution is uneven in the same wind field and the forms of the steel pipe pile foundations are more, if the steel pipe piles of the high pile cap pile foundations comprise an implanted type, a drilling type and a core column rock-socketed type, if rock-socketed construction platforms are respectively erected, more resources need to be invested, steel is wasted, and time and labor are wasted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect and provide a marine wind power basis steel-pipe pile socketed construction platform of combined type, it can satisfy exchanging public of multiple socketed steel-pipe pile basis pile-forming technology, ensures commonality and security, reduces construction cost and improves the efficiency, satisfies the demand of the stable stake in overburden construction sea area of all kinds of depths.
The purpose of the utility model is realized like this: a combined type offshore wind power foundation steel pipe pile socketed construction platform comprises an upper layer platform, a lower layer platform, six engineering pile upper ring beams, six engineering pile lower ring beams, nine auxiliary pile upper plug-in sleeves and nine auxiliary pile lower plug-in sleeves; wherein the content of the first and second substances,
the upper-layer platform is rectangular and comprises eleven upper transverse main beams and eleven upper longitudinal main beams; six upper engineering pile jacks are reserved in the middle of the upper-layer platform, and are arranged in a regular hexagon mode by connecting lines;
the outer contour shape and the size of the lower-layer platform are the same as those of the upper-layer platform, and the lower-layer platform comprises eleven lower transverse main beams and eleven lower longitudinal main beams; six engineering pile lower jacks which are in one-to-one correspondence with the six engineering pile upper jacks on the upper-layer platform are reserved in the middle of the lower-layer platform;
the upper layer platform is connected with the lower layer platform through a plurality of vertical supporting columns and a plurality of oblique supporting columns;
the six engineering pile upper ring beams are correspondingly arranged in the six engineering pile upper jacks of the upper-layer platform one by one, and the adjacent engineering pile upper ring beams are connected through two upper connecting rods;
the six engineering pile lower ring beams are correspondingly arranged in six engineering pile lower insertion holes of the lower-layer platform one by one, and adjacent engineering pile lower ring beams are connected through two lower connecting rods;
nine auxiliary pile upper plug-in sleeves are arranged in the center, four corners and the middle of four edges of the upper-layer platform in a matrix manner of three rows and three columns;
the nine auxiliary pile lower insertion sleeves are arranged in a matrix manner of three rows and three columns and are coaxially arranged in the center, four corners and the middle of four edges of the lower-layer platform with the nine auxiliary pile upper insertion sleeves in a one-to-one correspondence manner;
when the steel pipe pile adopts an embedded rock type construction process, the embedded rock construction platform is supported by nine auxiliary piles, and the nine auxiliary piles are correspondingly inserted into the nine auxiliary pile upper insertion sleeves and the nine auxiliary pile lower insertion sleeves one by one; the rock-socketed construction platform and the tops of the nine auxiliary piles are respectively connected and fixed through a hanging bracket;
when the steel pipe pile adopts drilling and core column rock-socketed construction processes, the rock-socketed construction platform is supported by four auxiliary piles and four engineering piles; four auxiliary piles are inserted into the auxiliary pile upper insertion sleeves and the auxiliary pile lower insertion sleeves at the four corners of the rock-socketed construction platform in a one-to-one correspondence manner; the four engineering piles are inserted into the upper ring beam and the lower ring beam of the engineering pile in a pairwise opposite mode; and the rock-socketed construction platform is fixedly connected with the tops of the four auxiliary piles and the tops of the four engineering piles through a hanging bracket respectively.
The combined offshore wind power foundation steel pipe pile socketed construction platform comprises a hanger main body, four pile body connecting mechanisms and four platform connecting mechanisms;
the hanger main body is a cross-shaped hanger body formed by connecting a cross rod and a longitudinal rod, and two ends of the cross rod and two ends of the longitudinal rod are respectively provided with two through holes;
the four pile body connecting mechanisms are uniformly distributed among the tops of the auxiliary piles or the engineering piles, the middle parts of the cross rods and the middle parts of the longitudinal rods; each pile body connecting mechanism comprises an inner backing plate, an outer backing plate, three stiffening plates and a rubber pad; the inner backing plate is an arc-shaped plate matched with the inner wall of the pile body and is welded to the top of the inner wall of the auxiliary pile or the engineering pile; the outer backing plate is an arc-shaped plate matched with the outer wall of the auxiliary pile or the engineering pile and is welded at the top of the outer wall of the auxiliary pile or the engineering pile correspondingly to the inner backing plate; the inner end surfaces of the three stiffening plates are welded on the outer surface of the outer backing plate at intervals, and the top surfaces of the three stiffening plates are welded with the bottom surfaces of the cross rods or the longitudinal rods; the rubber cushion is fixed between the top surface of the inner backing plate, the top surface of the auxiliary pile or the engineering pile and the top surface of the outer backing plate;
the four platform connecting mechanisms are arranged at two ends of the transverse rod and between two ends of the longitudinal rod and the upper platform in a one-to-one correspondence manner; each platform connecting mechanism comprises two pairs of lower hinged plates, two upper hinged plates, two lower nuts and two thread steels; two pairs of lower hinged plates are welded and fixed on the upper transverse main beam or the upper longitudinal main beam of the upper-layer platform at intervals, and the upper parts of the two pairs of lower hinged plates are respectively and coaxially provided with a hinged hole; the lower part of each upper hinged plate is provided with a hinged hole, the top end of each upper hinged plate is provided with a nut groove, and the lower parts of the two upper hinged plates are correspondingly inserted between the two pairs of lower hinged plates one by one and are hinged with the two pairs of lower hinged plates through a pin shaft; the two lower nuts are welded and fixed in the nut grooves of the two upper hinge plates in a one-to-one correspondence manner; two screw-thread steels are inserted into two through holes at one end of the cross rod or two through holes at one end of the longitudinal rod in a one-to-one correspondence manner, the lower ends of the two screw-thread steels are screwed into the internal thread holes of the two lower nuts in a one-to-one correspondence manner, and the upper parts of the two screw-thread steels are respectively fixed on the top surface of the cross rod or the top surface of the longitudinal rod through a gasket and two upper nuts.
The composite offshore wind power foundation steel pipe pile rock-socketed construction platform comprises a horizontal rod, a vertical rod, a plurality of upper wing plates, a plurality of lower wing plates, a plurality of webs and two supporting plates, wherein the web is connected between the upper wing plates and the lower wing plates, and the two supporting plates are connected to two ends of the upper wing plates and two ends of the lower wing plates.
According to the composite offshore wind power foundation steel pipe pile rock-socketed construction platform, the upper ring beam and the lower ring beam of the engineering pile are regular octagons and are made of steel pipes; and four jacks which are arranged in a cross shape are respectively arranged on each engineering pile upper ring beam and each engineering pile lower ring beam.
According to the rock-socketed construction platform for the composite offshore wind power foundation steel pipe pile, an annular lower base plate is arranged at the bottom of each auxiliary pile, which is inserted into a sleeve, and six lower rib plates are uniformly distributed on the bottom surface of each lower base plate; and an annular upper padding plate is arranged at the top of each auxiliary pile lower insertion sleeve, and six upper rib plates are uniformly distributed on the top surface of each upper padding plate.
According to the composite offshore wind power foundation steel pipe pile socketed construction platform, the upper connecting rod and the lower connecting rod are made of steel pipes.
According to the composite offshore wind power foundation steel pipe pile rock-socketed construction platform, the upper horizontal main beams of the upper layer platform are arranged at intervals.
In the rock-socketed construction platform for the steel pipe pile of the composite offshore wind power foundation, four corners of the upper platform are respectively provided with a small upper corner platform, four corners of the lower platform are provided with a small lower corner platform, and each small upper corner platform and each small lower corner platform are identical in shape and size and are in a square shape with unfilled corners; the middle part of each edge of the upper-layer platform is respectively provided with an upper middle small platform for supporting sleeves inserted on the other four auxiliary piles; the middle part of each edge of the lower-layer platform is provided with a lower middle small platform; the shape and the size of each upper middle small platform and each lower middle small platform are the same and are rectangular.
The utility model discloses a steady stake rock-socketed platform of marine wind power foundation steel-pipe pile of combined type has following characteristics:
(1) the available construction area is increased through the square symmetrical layout, and the strength and the rigidity of the whole structure of the upper-layer platform are ensured by arranging 22 main beams; through the layout of the six octagonal edge-shaped ring beams, the common use of the drilling and drilling process, the implanted process and the core column rock-socketed pile process of the steel pipe piles in the six straight pile high pile bearing platforms can be realized, and the mutual influence is avoided;
(2) the upper layer platform and the lower layer platform are arranged, and the auxiliary pile sleeve is additionally arranged between the upper layer platform and the lower layer platform, so that the condition that the position and the slope are not accurate enough in the pile sinking process of the auxiliary pile can be effectively avoided;
(3) four jacks distributed in a cross shape are respectively arranged at the upper reserved opening and the lower reserved opening which are inserted and driven by each engineering pile so as to jointly adjust the verticality of the longitudinal axis of the pile body of the engineering pile or the pile casing;
(4) when the high pile cap pile foundation steel pipe pile is implanted into the rock-socketed construction, the rock-socketed construction platform is supported by nine auxiliary piles, and when the high pile cap pile foundation steel pipe pile is drilled and the high pile cap pile foundation steel pipe pile core column rock-socketed construction is carried out, the whole platform is supported by four auxiliary piles and four steel pipe engineering piles at four corners of the rock-socketed construction platform; the socketed construction platform and the auxiliary piles and the engineering piles are respectively connected and reinforced through a cross-shaped hanging bracket, and two ends of eight pieces of finish-rolled deformed steel bars with the diameter of phi 36mm are respectively connected with the hanging bracket and the socketed construction platform through bolts; by converting the combination form of the supporting piles of the rock-socketed construction platform, different application requirements of pile foundation construction under the two processes of the high pile bearing platform on the rock-socketed construction platform can be realized, and the construction efficiency is high, so that the high pile bearing platform is particularly suitable for offshore wind power construction with severe marine environment and short window period;
(5) when the rock-socketed construction platform is supported by nine auxiliary piles, the high pile cap foundation steel pipe pile can be implanted into the rock-socketed construction, and the high pile cap foundation steel pipe pile can be drilled and the core column rock-socketed pile of the high pile cap foundation steel pipe pile can be constructed;
(6) all auxiliary piles and engineering piles serving as platform supporting piles of the rock-socketed construction platform are vibrated to bulk strongly weathered rock for 1 meter by a vibration hammer so as to meet the bearing capacity required by the platform and the load of the platform;
(7) the rock-socketed construction platform is light in whole, and a hoisting operation ship with platform erection construction capacity is convenient to find.
The utility model discloses a steady stake of marine wind power basic steel-pipe pile inlays rock platform can satisfy the required interchange of multiple rock-socketed steel-pipe pile basis pile-forming technology publicly, ensures commonality and security, reduces construction cost and improvement efficiency, satisfies the demand of the steady stake of overburden construction sea area of all kinds of depths.
Drawings
FIG. 1 is a top view of the composite offshore wind power foundation steel pipe pile socketed construction platform of the present invention;
FIG. 2 is a top view of the lower deck platform of the composite offshore wind power foundation steel pipe pile socketed construction platform of the present invention;
FIG. 3 is a view taken along line A-A of FIG. 1;
FIG. 4 is a view from the B-B direction in FIG. 1;
FIG. 5 is a view from the C-C direction in FIG. 1;
FIG. 6 is a top view of the hanging bracket of the composite offshore wind power foundation steel pipe pile socketed construction platform of the present invention;
fig. 7 is a view from direction D-D in fig. 6 (rotated 90 deg.).
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 to 7, the composite offshore wind power foundation steel pipe pile socketed construction platform of the present invention includes an upper platform 10, a lower platform 20, six upper ring beams 31 of engineering piles, six lower ring beams 32 of engineering piles, nine upper sleeves 41 of auxiliary piles and nine lower sleeves 42 of auxiliary piles; wherein the content of the first and second substances,
the upper layer platform 10 is rectangular and comprises eleven upper transverse main beams 11 and eleven upper longitudinal main beams 12, wherein the middle upper transverse main beam 11 and the middle three upper longitudinal main beams 12 are all steel pipes with the diameter of phi 700 multiplied by 12mm, and the other eleven upper transverse main beams 11 and the eight upper longitudinal main beams 12 are all steel pipes with the diameter of phi 500 multiplied by 10 mm; six upper engineering pile jacks are reserved in the middle of the upper platform 10 and are arranged in a regular hexagon mode; secondary beams 13 are arranged between the upper transverse main beams 11 at intervals; the secondary beam 13 is a steel pipe with the diameter of phi 300 multiplied by 6 mm; four corners of the upper-layer platform 10 are respectively provided with an upper corner small platform 14 for supporting the auxiliary piles 50, and each upper corner small platform 14 is in a shape of a unfilled corner square; the middle part of each side of the upper-layer platform 10 is respectively provided with an upper middle small platform 15 for supporting the auxiliary pile 50, and each upper middle small platform 15 is rectangular; each upper corner small platform 14 and each upper middle small platform 15 are formed by an enclosing beam and a middle beam, and the enclosing beam and the middle beam are made of steel pipes with the diameter of 500 mm multiplied by 10 mm;
the outer contour shape and the size of the lower platform 20 are the same as those of the upper platform 10 and comprise eleven lower transverse main beams 21 and eleven lower longitudinal main beams 22, the middle lower transverse main beam 21 and the middle three lower longitudinal main beams 22 all adopt steel pipes with the diameter of phi 700 multiplied by 12mm, and the rest ten lower transverse main beams 21 and the eight lower longitudinal main beams 22 all adopt steel pipes with the diameter of phi 500 multiplied by 10 mm; six engineering pile lower jacks which are in one-to-one correspondence with the six engineering pile upper jacks on the upper platform 10 are reserved in the middle of the lower platform 20; the four corners of the lower platform 20 are respectively provided with a lower corner small platform 24 of an upper plug-in sleeve for supporting the auxiliary pile 50, and each upper corner small platform 24 is in a shape of a unfilled corner; the middle part of each side of the lower platform 20 is respectively provided with a lower middle small platform 25 for supporting the auxiliary pile 50, and each lower middle small platform 25 is rectangular; each lower corner small platform 24 and each lower middle small platform 25 are formed by girding beams and middle beams, and the girding beams and the middle beams are all made of steel pipes with the diameter of 500 mm multiplied by 10 mm;
the upper platform 10 and the lower platform 20 are connected through a plurality of vertical struts 121 and a plurality of oblique struts 122; the vertical support columns 121 are all steel pipes with the diameter of phi 500 multiplied by 10mm, and the oblique support columns 122 are steel pipes with the diameter of phi 300 multiplied by 6 mm;
the six engineering pile upper ring beams 31 are correspondingly arranged in the six engineering pile upper jacks of the upper-layer platform 10 one by one, and the adjacent engineering pile upper ring beams 31 are connected through two upper connecting rods 310; the upper ring beam 31 of the engineering pile is in a regular octagon shape and is made of steel pipes with the diameter of phi 700 multiplied by 12 mm; four jacks which are arranged in a cross shape are respectively arranged on the upper ring beam 31 of each engineering pile; the upper connecting rod 310 is a steel pipe with the diameter of phi 700 multiplied by 12 mm;
the six engineering pile lower ring beams 32 are correspondingly arranged in the six engineering pile lower jacks of the lower-layer platform 20 one by one, and the adjacent engineering pile lower ring beams 32 are connected through two lower connecting rods 320; the lower ring beam 32 of the engineering pile is in a regular octagon shape and is made of steel pipes with the diameter of phi 700 multiplied by 12 mm; four jacks arranged in a cross shape are respectively arranged on the lower ring beam 32 of each engineering pile; the lower connecting rod 320 is a steel pipe with the diameter of phi 700 multiplied by 12 mm;
nine auxiliary pile upper insertion sleeves 41 are arranged in the center, four corners and the middle of four sides of the upper-layer platform 10 in a matrix arrangement in a three-row and three-column manner; an annular lower cushion plate 411 is arranged at the bottom of the insertion sleeve 41 on each auxiliary pile, and six lower rib plates 412 are uniformly distributed on the bottom surface of the lower cushion plate 411;
the nine auxiliary pile lower insertion sleeves 42 are arranged in a matrix manner of three rows and three columns and are coaxially arranged in the center, four corners and the middle of four edges of the lower-layer platform 20 with the nine auxiliary pile upper insertion sleeves 41 in a one-to-one correspondence manner; an annular upper backing plate 421 is arranged at the top of each auxiliary pile lower insertion sleeve 42, and six upper rib plates 422 are uniformly distributed on the top surface of the upper backing plate 421;
when the steel pipe pile adopts an embedded rock type construction process, the embedded rock construction platform is supported by nine auxiliary piles 50, and the nine auxiliary piles 50 are correspondingly inserted into the nine auxiliary pile upper insertion sleeves 41 and the nine auxiliary pile lower insertion sleeves 42 one by one; the rock-socketed construction platform is fixedly connected with the tops of the nine auxiliary piles 50 through a hanging bracket 70;
when the steel pipe pile adopts drilling and core column rock-socketed construction processes, the rock-socketed construction platform is supported by four auxiliary piles 50 and four engineering piles 60; four auxiliary piles 50 are inserted into the auxiliary pile upper insertion sleeves 41 and the auxiliary pile lower insertion sleeves 42 at the four corners of the rock-socketed construction platform in a one-to-one correspondence manner; the four engineering piles 60 are inserted into the engineering pile upper ring beam 31 and the engineering pile lower ring beam 32 in a pairwise opposite mode; the rock-socketed construction platform is fixedly connected with the tops of the four auxiliary piles 50 and the tops of the four engineering piles 60 through a hanging bracket 70 respectively;
the hanger 70 includes a hanger main body, four pile body connection mechanisms, and four platform connection mechanisms; wherein the content of the first and second substances,
the hanger main body is a cross frame body formed by connecting a cross bar 71A and a longitudinal bar 71B, the cross bar 71A and the longitudinal bar 71B respectively comprise an upper wing plate 712, a lower wing plate 712, two web plates 713 connected between the upper wing plate 712 and the lower wing plate 712 and two support plates 714 respectively connected at two ends of the upper wing plate 711 and the lower wing plate 712, two ends of the cross bar 71A are respectively provided with two through holes, and the distance between the two through holes is 170 mm; two ends of the longitudinal rod 71B are also respectively provided with two through holes, and the distance between the two through holes is 170 mm;
the four pile body connecting mechanisms are uniformly distributed between the top of the auxiliary pile 50 or the engineering pile 60 and the middle parts of the transverse rod 71A and the longitudinal rod 71B; each pile body connecting mechanism comprises an inner backing plate 721, an outer backing plate 722, three stiffening plates 73 and a rubber pad 74, wherein the inner backing plate 721 is an arc-shaped plate matched with the inner wall of the auxiliary pile 50 or the engineering pile 60 and is welded on the top of the inner wall of the auxiliary pile 50 or the engineering pile 60; the outer backing plate 722 is an arc-shaped plate matched with the outer wall of the auxiliary pile 50 or the engineering pile 60 and is welded at the top of the outer wall of the auxiliary pile 50 or the engineering pile 60 corresponding to the inner backing plate 721; the inner end surfaces of the three stiffening plates 73 are welded on the outer surface of the outer backing plate 722 at intervals, and the top surfaces of the three stiffening plates 73 are welded with the bottom surfaces of the cross rods 71A or the vertical rods 71B; the rubber pad 74 is fixed between the top surface of the inner pad 721, the top surface of the auxiliary pile 50 or the engineering pile 60, and the top surface of the outer pad 722;
the four platform connecting mechanisms are arranged between the two ends of the transverse rod 71A and the two ends of the longitudinal rod 71B and the upper-layer platform 10 in a one-to-one correspondence manner; each platform connecting mechanism comprises two pairs of lower hinged plates 75, two upper hinged plates 76, two lower nuts 78 and two screw steel 79; two pairs of lower hinged plates 75 are welded and fixed on the upper transverse main beam 11 or the upper longitudinal main beam 12 of the upper-layer platform 10 at intervals, and the upper parts of the two pairs of lower hinged plates 75 are respectively provided with a hinged hole coaxially; the lower part of each upper hinged plate 76 is provided with a hinged hole, the top end of each upper hinged plate 76 is provided with a nut groove, and the lower parts of the two upper hinged plates 76 are correspondingly inserted between the two pairs of lower hinged plates 75 one by one and are hinged with the two pairs of lower hinged plates 75 through a pin shaft 77; the two lower nuts 78 are welded and fixed in the nut grooves of the two upper hinge plates 76 in a one-to-one correspondence manner; two pieces of deformed steel bars 79 are inserted into two through holes at one end of the cross bar 71A or two through holes at one end of the longitudinal bar 71B in a one-to-one correspondence manner, the lower ends of the two pieces of deformed steel bars 79 are screwed into the internal threaded holes of the two lower nuts 78 in a one-to-one correspondence manner, the screwing depth is more than 120mm, and the upper portions of the two pieces of deformed steel bars 79 are fixed on the top surface of the cross bar 71A or the top surface of the longitudinal bar 71B through a gasket 791 and two upper nuts 792.
The utility model discloses a combined type offshore wind power basis steel-pipe pile socketed construction platform's application method as follows:
1) when the steel pipe pile adopts an embedded rock type construction process, nine auxiliary piles 50 are adopted as supporting piles of an embedded rock construction platform, and six engineering piles 60 are not arranged;
2) when the steel pipe pile adopts a drilling-driving-drilling type construction process, four auxiliary piles 50 and four steel pipe engineering piles 60 are adopted as supporting piles of the rock-socketed construction platform; namely, one auxiliary pile 50 positioned in the center of the rock-socketed construction platform and four auxiliary piles 50 positioned in the middle of four sides of the rock-socketed construction platform in a one-to-one correspondence manner are not arranged, and two engineering piles 60 which are arranged in a centrosymmetric manner are not arranged;
3) when the steel pipe pile adopts a core column rock-socketed construction process, four auxiliary piles 50 and four engineering piles 60 are adopted as supporting piles of the rock-socketed construction platform; namely, one auxiliary pile 50 positioned in the center of the rock-socketed construction platform and four auxiliary piles 50 positioned in the middle of four sides of the rock-socketed construction platform in a one-to-one correspondence manner are not arranged, and two engineering piles 60 which are arranged in a centrosymmetric manner are not arranged;
4) under all working conditions, the rock-socketed construction platform is reversely hung on the auxiliary pile 50 and the engineering pile 60 by the hanging bracket 70;
5) in the process of lowering the engineering pile and the engineering pile casing, the perpendicularity of the pile body longitudinal axis of the engineering pile or the engineering pile casing is adjusted by using four jacks respectively arranged on the six engineering pile upper ring beams 31 and four jacks respectively arranged on the six engineering pile lower ring beams 32.
The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.
Claims (8)
1. A combined type offshore wind power foundation steel pipe pile socketed construction platform comprises an upper layer platform, a lower layer platform, six engineering pile upper ring beams, six engineering pile lower ring beams, nine auxiliary pile upper plug-in sleeves and nine auxiliary pile lower plug-in sleeves; it is characterized in that the preparation method is characterized in that,
the upper-layer platform is rectangular and comprises eleven upper transverse main beams and eleven upper longitudinal main beams; six upper engineering pile jacks are reserved in the middle of the upper-layer platform, and are arranged in a regular hexagon mode by connecting lines;
the outer contour shape and the size of the lower-layer platform are the same as those of the upper-layer platform, and the lower-layer platform comprises eleven lower transverse main beams and eleven lower longitudinal main beams; six engineering pile lower jacks which are in one-to-one correspondence with the six engineering pile upper jacks on the upper-layer platform are reserved in the middle of the lower-layer platform;
the upper layer platform is connected with the lower layer platform through a plurality of vertical supporting columns and a plurality of oblique supporting columns;
the six engineering pile upper ring beams are correspondingly arranged in the six engineering pile upper jacks of the upper-layer platform one by one, and the adjacent engineering pile upper ring beams are connected through two upper connecting rods;
the six engineering pile lower ring beams are correspondingly arranged in six engineering pile lower insertion holes of the lower-layer platform one by one, and adjacent engineering pile lower ring beams are connected through two lower connecting rods;
nine auxiliary pile upper plug-in sleeves are arranged in the center, four corners and the middle of four edges of the upper-layer platform in a matrix manner of three rows and three columns;
the nine auxiliary pile lower insertion sleeves are arranged in a matrix manner of three rows and three columns and are coaxially arranged in the center, four corners and the middle of four edges of the lower-layer platform with the nine auxiliary pile upper insertion sleeves in a one-to-one correspondence manner;
when the steel pipe pile adopts an embedded rock type construction process, the embedded rock construction platform is supported by nine auxiliary piles, and the nine auxiliary piles are correspondingly inserted into the nine auxiliary pile upper insertion sleeves and the nine auxiliary pile lower insertion sleeves one by one; the rock-socketed construction platform and the tops of the nine auxiliary piles are respectively connected and fixed through a hanging bracket;
when the steel pipe pile adopts drilling and core column rock-socketed construction processes, the rock-socketed construction platform is supported by four auxiliary piles and four engineering piles; four auxiliary piles are inserted into the auxiliary pile upper insertion sleeves and the auxiliary pile lower insertion sleeves at the four corners of the rock-socketed construction platform in a one-to-one correspondence manner; the four engineering piles are inserted into the upper ring beam and the lower ring beam of the engineering pile in a pairwise opposite mode; and the rock-socketed construction platform is fixedly connected with the tops of the four auxiliary piles and the tops of the four engineering piles through a hanging bracket respectively.
2. The composite offshore wind power foundation steel pipe pile socketed construction platform of claim 1, wherein the hanger comprises a hanger main body, four pile body connection mechanisms and four platform connection mechanisms;
the hanger main body is a cross-shaped hanger body formed by connecting a cross rod and a longitudinal rod, and two ends of the cross rod and two ends of the longitudinal rod are respectively provided with two through holes;
the four pile body connecting mechanisms are uniformly distributed among the tops of the auxiliary piles or the engineering piles, the middle parts of the cross rods and the middle parts of the longitudinal rods; each pile body connecting mechanism comprises an inner backing plate, an outer backing plate, three stiffening plates and a rubber pad; the inner backing plate is an arc-shaped plate matched with the inner wall of the pile body and is welded to the top of the inner wall of the auxiliary pile or the engineering pile; the outer backing plate is an arc-shaped plate matched with the outer wall of the auxiliary pile or the engineering pile and is welded at the top of the outer wall of the auxiliary pile or the engineering pile correspondingly to the inner backing plate; the inner end surfaces of the three stiffening plates are welded on the outer surface of the outer backing plate at intervals, and the top surfaces of the three stiffening plates are welded with the bottom surfaces of the cross rods or the longitudinal rods; the rubber cushion is fixed between the top surface of the inner backing plate, the top surface of the auxiliary pile or the engineering pile and the top surface of the outer backing plate;
the four platform connecting mechanisms are arranged at two ends of the transverse rod and between two ends of the longitudinal rod and the upper platform in a one-to-one correspondence manner; each platform connecting mechanism comprises two pairs of lower hinged plates, two upper hinged plates, two lower nuts and two thread steels; two pairs of lower hinged plates are welded and fixed on the upper transverse main beam or the upper longitudinal main beam of the upper-layer platform at intervals, and the upper parts of the two pairs of lower hinged plates are respectively and coaxially provided with a hinged hole; the lower part of each upper hinged plate is provided with a hinged hole, the top end of each upper hinged plate is provided with a nut groove, and the lower parts of the two upper hinged plates are correspondingly inserted between the two pairs of lower hinged plates one by one and are hinged with the two pairs of lower hinged plates through a pin shaft; the two lower nuts are welded and fixed in the nut grooves of the two upper hinge plates in a one-to-one correspondence manner; two screw-thread steels are inserted into two through holes at one end of the cross rod or two through holes at one end of the longitudinal rod in a one-to-one correspondence manner, the lower ends of the two screw-thread steels are screwed into the internal thread holes of the two lower nuts in a one-to-one correspondence manner, and the upper parts of the two screw-thread steels are respectively fixed on the top surface of the cross rod or the top surface of the longitudinal rod through a gasket and two upper nuts.
3. The composite offshore wind power foundation steel pipe pile rock-socketed construction platform of claim 2, wherein the cross bar and the longitudinal bar each comprise an upper wing plate, a lower wing plate, two webs connected between the upper wing plate and the lower wing plate, and two support plates connected to two ends of the upper wing plate and the lower wing plate.
4. The combined type offshore wind power foundation steel pipe pile rock-socketed construction platform of claim 1, wherein the engineering pile upper ring beam and the engineering pile lower ring beam are regular octagon and made of steel pipes; and four jacks which are arranged in a cross shape are respectively arranged on each engineering pile upper ring beam and each engineering pile lower ring beam.
5. The combined type offshore wind power foundation steel pipe pile socketed construction platform of claim 1, wherein an annular lower cushion plate is arranged at the bottom of each auxiliary pile inserted sleeve, and six lower rib plates are uniformly distributed on the bottom surface of the lower cushion plate; and an annular upper padding plate is arranged at the top of each auxiliary pile lower insertion sleeve, and six upper rib plates are uniformly distributed on the top surface of each upper padding plate.
6. The composite offshore wind power foundation steel pipe pile socketed construction platform of claim 1, wherein the upper connecting rod and the lower connecting rod are also made of steel pipes.
7. The composite offshore wind power foundation steel pipe pile socketed construction platform of claim 1, wherein a plurality of secondary beams are arranged at intervals between adjacent upper transverse main beams of the upper platform.
8. The steel pipe pile socketed construction platform of the composite offshore wind power foundation as claimed in claim 1, wherein four corners of the upper platform are respectively provided with an upper corner small platform, four corners of the lower platform are provided with a lower corner small platform, and each of the upper corner small platform and the lower corner small platform has the same shape and size and is a square with unfilled corners; the middle part of each edge of the upper-layer platform is respectively provided with an upper middle small platform for supporting sleeves inserted on the other four auxiliary piles; the middle part of each edge of the lower-layer platform is provided with a lower middle small platform; the shape and the size of each upper middle small platform and each lower middle small platform are the same and are rectangular.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356256A (en) * | 2021-06-29 | 2021-09-07 | 中交第三航务工程局有限公司 | Prefabricated back cover of offshore wind power implanted high-rise pile cap and installation process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356256A (en) * | 2021-06-29 | 2021-09-07 | 中交第三航务工程局有限公司 | Prefabricated back cover of offshore wind power implanted high-rise pile cap and installation process |
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Address after: 200032 No. 139, Xuhui District, Shanghai, Pingjiang Road Patentee after: CCCC THIRD HARBOR ENGINEERING Co.,Ltd. Patentee after: CCCC Third Aviation Bureau Sixth Engineering (Xiamen) Co.,Ltd. Patentee after: XIAMEN BRANCH OF CCCC THIRD HARBOR ENGINEERING Co.,Ltd. Address before: 200032 No. 139, Xuhui District, Shanghai, Pingjiang Road Patentee before: CCCC THIRD HARBOR ENGINEERING Co.,Ltd. Patentee before: CCCC Sanya (Xiamen) Engineering Co.,Ltd. Patentee before: XIAMEN BRANCH OF CCCC THIRD HARBOR ENGINEERING Co.,Ltd. |
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