CN111910643A - A transfer device that is used for sea area cushion cap pile foundation steel reinforcement cage - Google Patents
A transfer device that is used for sea area cushion cap pile foundation steel reinforcement cage Download PDFInfo
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- CN111910643A CN111910643A CN202010848581.XA CN202010848581A CN111910643A CN 111910643 A CN111910643 A CN 111910643A CN 202010848581 A CN202010848581 A CN 202010848581A CN 111910643 A CN111910643 A CN 111910643A
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- supporting
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a lowering device for a sea area bearing platform pile foundation reinforcement cage, which comprises supporting I-beams arranged above a bearing platform steel hanging box, connecting I-beams welded among the supporting I-beams, vertical supporting I-beams above the supporting I-beams, connecting systems among the vertical supporting I-beams, a walkway structure and a ladder cage arranged above the vertical supporting I-beams, wherein protective nets are arranged around the walkway structure. The beneficial effect of this device is: the floating crane is replaced to transfer the pile foundation reinforcement cage of the sea area bearing platform, and the condition that offshore wind and waves influence the floating crane to cause the sleeve to be incapable of aligning and connecting during the process of transferring the sleeve connection construction by the steel reinforcement cage by the floating crane is avoided.
Description
Technical Field
The invention relates to a device for lowering a pile foundation reinforcement cage, in particular to a device for lowering a filling reinforcement cage of an ultralong pile foundation of a sea area bearing platform.
Background
The weather of marine construction area is complicated changeable, and construction environment is bad, and the minimum 4m/s of average wind speed in month, strong wind weather is more, causes very big influence to pile foundation steel reinforcement cage connection construction, and the steel reinforcement cage owner muscle can't align. Pile foundation steel reinforcement cage adopts the reinforcement processing field prefabricated, and 9m is a standard component, and the transportation is accomplished in the processing to sea area job site, and sea area steel reinforcement cage construction mainly relies on the floating crane to go on. In such a construction environment, the connection construction is very difficult when the steel reinforcement cage sections of the pile foundations of the sea area are placed. The steel reinforcement cage connection construction is carried out by hoisting with a conventional floating crane, the floating crane is influenced by sea stormy waves and can shake, the steel reinforcement cage hoisted by the floating crane cannot align with the main reinforcement of the steel reinforcement cage which is placed, and the steel reinforcement cage main reinforcement connection construction is carried out.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a lowering device for a pile foundation reinforcement cage of a sea area bearing platform, which simply and stably assists reinforcement cage sections to safely and efficiently carry out reinforcement sleeve connection construction.
The technical scheme adopted for solving the technical problems is as follows:
the invention relates to a lowering device for a reinforcement cage of a pile foundation of a sea area bearing platform, which comprises two supporting H-shaped steels arranged in parallel at intervals from left to right, wherein two connecting H-shaped steels are welded between the two supporting H-shaped steels at intervals from front to back;
the middle part between two adjacent vertical supporting I-beams at the front, left and right positions of the rectangular structure is respectively welded with a transverse connecting I-beam horizontally and respectively welded with connecting reinforcing steel bars in a crossed manner;
the upper parts of two vertical supporting H-shaped steels at the left side of the rectangular body structure penetrate through the front and rear ends of a web plate of a consequent bearing H-shaped steel arranged along the horizontal direction at the left side and are welded and fixed with the front and rear ends, the upper parts of two vertical supporting H-shaped steels at the right side of the rectangular body structure penetrate through the front and rear ends of a web plate of a consequent bearing H-shaped steel arranged along the horizontal direction at the right side and are welded and fixed with the front and rear ends, the inner side flange plates of the two vertical supporting H-shaped steels at the back of the rectangular body structure are respectively provided with a notch, the notches are positioned at the intersection of two vertical supporting H-beams and the forward bearing H-beam at the back of the rectangular body structure, the left end and the right end of one splicing H-beam are respectively inserted into the two notches, and the left end and the right end of one fixing H-beam are respectively fixedly connected with the front ends of flange plates of the two forward bearing H-beams;
the outer flange plates of the vertical supporting H-beams at the intersection of the two vertical supporting H-beams and the bearing H-beam on the open face of the rectangular body structure are respectively welded with a transverse walkway supporting H-beam along the length direction of the splicing H-beam, the outer end part of a web plate of each transverse walkway supporting H-beam is respectively welded with a forward walkway supporting H-beam along the direction parallel to the web plate of the forward bearing H-beam, and the left and right ends of a reinforcing H-beam which is positioned outside the fixed H-beam and is arranged in parallel with the fixed H-beam are respectively fixedly connected with the front ends of the supporting H-beams;
a safety ladder cage is welded on one vertical supporting I-steel positioned on the open face of the rectangular body structure along the vertical direction, the top of the safety ladder cage is welded and fixed with the transverse walkway supporting I-steel and the outer side flange plate of the bearing I-steel, vertical protective supporting steel pipes are welded at the end points of the consequent walkway I-steel along the vertical direction respectively, and transverse protective steel pipes are welded between two adjacent vertical protective supporting steel pipes and between two adjacent vertical supporting I-steels at the front, left and right positions of the rectangular body structure along the horizontal direction respectively; and traveling steel plates are respectively erected between the forward walking channel I-steel and the forward bearing I-steel and between the fixed I-steel and the reinforcing I-steel.
The invention has the beneficial effects that: the structure is simple, reasonable, safe and effective; this device has avoided adopting the floating crane to transfer the steel reinforcement cage and has transferred the muffjoint construction time-recorder and influence and the unable condition of aiming at and connection construction of sleeve that causes to the floating crane by offshore wind, unrestrained. The steel reinforcement cage lowering device is fast in mounting and dismounting speed, and can be used in turnover mode in a large number of bearing platform groups.
Drawings
FIG. 1 is a schematic view of a lowering device for a steel reinforcement cage of a pile foundation of a sea area bearing platform according to the invention;
FIG. 2 is a schematic perspective view of a lowering device for a steel reinforcement cage of a pile foundation of a sea area bearing platform according to the present invention;
fig. 3 is a detailed schematic view of a notch of a lowering device for a sea area bearing platform pile foundation reinforcement cage of the invention.
Detailed Description
The patent is described in detail below with reference to the drawings and the detailed description.
Referring to the drawings, the lowering device for the pile foundation reinforcement cage of the sea area bearing platform comprises two supporting I-beams 1 which are arranged in parallel at intervals from left to right, two connecting I-beams 2 are welded between the two supporting I-beams 1 at intervals from front to back, the intersection positions of the two supporting I-beams 1 and the two connecting I-beams 2 are fixedly connected with the bottoms of vertical supporting I-beams 3 arranged along the vertical direction respectively, and the front surface, the left surface and the right surface of a rectangular structure formed by the four vertical supporting I-beams 3 are supporting surfaces while the rear surface is an open surface.
The middle part between two adjacent vertical supporting I-beams 3 in the front, the left and the right of the rectangular structure is respectively welded with a transverse connecting I-beam 14 along the horizontal direction and respectively welded with connecting steel bars 8 in a crossed manner so as to improve the stability of the device.
The upper parts of the two vertical supporting H-beams 3 positioned at the left side of the rectangular body structure penetrate through the front end and the rear end of a web plate of a forward bearing H-beam 4 arranged along the horizontal direction and are welded and fixed, the upper parts of the two vertical supporting H-beams 3 positioned at the right side of the rectangular body structure penetrate through the front end and the rear end of a web plate of a forward bearing H-beam 4 arranged along the horizontal direction and are welded and fixed, and the forward bearing H-beam 4 can improve the stability of the device. The inner side flange plates of two vertical supporting H-beams 3 at the back of the rectangular body structure are respectively provided with a notch, the notches are positioned at the intersection of the two vertical supporting H-beams 3 at the back of the rectangular body structure and the consequent bearing H-beams 4, the left end and the right end of one plug-in H-beam 6 are respectively inserted into the two notches, and the left end and the right end of one fixed H-beam 5 are respectively fixedly connected with the front ends of the flange plates of the two consequent bearing H-beams 4.
The outer flange plates of the vertical supporting H-beams 3 at the intersection of the two vertical supporting H-beams 3 and the bearing H-beam 4 on the opening surface of the rectangular body structure are respectively welded with a transverse walkway supporting H-beam 9 along the length direction of the splicing H-beam 6, the outer end part of a web plate of each transverse walkway supporting H-beam 9 is respectively welded with a forward walkway supporting H-beam 10 along the direction parallel to the web plate of the forward bearing H-beam 4, the left end and the right end of a reinforcing H-beam 13 which is positioned at the outer side of the fixed H-beam 5 and is arranged in parallel with the fixed H-beam 5 are respectively fixedly connected with the front ends of the supporting H-beams 10, and the reinforcing H-beam 13 can improve the walkway stability.
The welding of vertical direction has a safety ladder cage 7 on being located a vertical support I-steel 3 of cuboid structure uncovered face, the top and the horizontal pavement of safety ladder cage 7 support I-steel 9 and bearing I-steel 4 outside flange plate welded fastening, have vertical protection support steel pipe 11 along vertical direction welding respectively at the extreme point of consequent pavement I-steel 10, have horizontal protection steel pipe 12 along the horizontal direction welding respectively at the top between two adjacent vertical protection support steel pipe 11 and in the front of cuboid structure, between two adjacent vertical support I-steel 3 of left side and right side position department.
And traveling steel plates are respectively erected between the forward-direction walkway I-steel 10 and the forward-direction bearing I-steel 4 and between the fixed I-steel 5 and the reinforcing I-steel 13.
Preferably, safety protection nets are respectively arranged between the vertical protection support steel pipes 11 and between the upper parts of the two adjacent vertical support I-shaped steel 3 at the front, left and right positions of the rectangular structure.
The using method of the device comprises the following steps:
(1) when the reinforcement cage is placed on site, a first section of pile foundation reinforcement cage is placed by a floating crane, the first section of reinforcement cage is hung at the port of the steel pipe pile, then the device is placed on a bearing platform steel suspension box by the floating crane and is positioned right above the bearing platform steel pipe pile, and then the supporting I-steel 1 is welded with the steel suspension box;
(2) the method comprises the following steps that chain blocks are respectively arranged on a forward bearing I-shaped steel 4 and a fixed I-shaped steel 5, when a second section of reinforcement cage is lowered, a floating crane hangs the second section of reinforcement cage and puts the second section of reinforcement cage into the device from the opening direction (arrow direction in the figure), three chain blocks are connected with the second section of reinforcement cage, then an inserting I-shaped steel 6 is put into a notch formed by the forward bearing I-shaped steel 4, the floating crane detaches a hook, the chain blocks hang the second section of reinforcement cage on the device, and the device is converted to bear the gravity of the second section of reinforcement cage;
(3) workers enter the walkway through the safety ladder cage 7, then adjust the spatial position of the second section of reinforcement cage through the three chain blocks, so that the second section of reinforcement cage is aligned with the main reinforcement of the lowered first section of reinforcement cage, and the workers carry out the sleeve connection construction of the main reinforcement of the reinforcement cage;
(4) after the sleeve connection construction is completed, a second section of reinforcement cage is lowered through the chain block, the second section of reinforcement cage is suspended at the end port of the steel pipe pile by using a second section of reinforcement cage suspension device after the second section of reinforcement cage is lowered in place, and the connection between the chain block and the second section of reinforcement cage is released;
(5) and (4) taking down the splicing I-steel 6 at the front side, and sequentially carrying out subsequent section reinforcement cage construction according to the steps (2), (3) and (4).
Claims (2)
1. The utility model provides a transfer device that is used for sea area cushion cap pile foundation steel reinforcement cage which characterized in that: the supporting structure comprises two supporting channel steels (1) which are arranged in parallel at intervals from left to right, two connecting H-beams (2) are welded between the two supporting channel steels at intervals from front to back, the intersections of the two supporting H-beams and the two connecting H-beams are respectively fixedly connected with the bottoms of vertical supporting H-beams (3) arranged along the vertical direction, and the front surface, the left surface and the right surface of a rectangular body structure consisting of the four vertical supporting H-beams are supporting surfaces, and the back surface is an open surface;
a transverse connecting I-shaped steel (14) is horizontally welded in the middle between two adjacent vertical supporting I-shaped steels (3) at the front, left and right positions of the rectangular structure, and connecting reinforcing steel bars (8) are respectively welded in a crossed manner;
the upper parts of two vertical supporting H-shaped steels at the left side of the rectangular body structure penetrate through the front and back ends of a web plate of a forward bearing H-shaped steel (4) arranged along the horizontal direction at the left side and are welded and fixed with the front and back ends, the upper parts of two vertical supporting H-shaped steels at the right side of the rectangular body structure penetrate through the front and back ends of a web plate of a forward bearing H-shaped steel arranged along the horizontal direction at the right side and are welded and fixed with the front and back ends, the flange plates at the inner sides of two vertical supporting H-shaped steels (3) at the rear positions of the rectangular body structure are respectively provided with a notch, the notches are positioned at the intersection of two vertical supporting H-shaped steels and the forward bearing H-shaped steel (4) at the rear position of the rectangular body structure, the left end and the right end of one splicing H-shaped steel (6) are respectively inserted into the two notches, and the left end and the right end of one fixing H-shaped steel (5) are respectively fixedly connected with the front ends of flange plates of the two forward bearing H-shaped steels;
the outer flange plates of the vertical supporting H-beams (3) at the intersection of two vertical supporting H-beams (3) and the bearing H-beam (4) on the opening surface of the rectangular structure are respectively welded with a transverse walkway supporting H-beam (9) along the length direction of the splicing H-beam (6), the outer end part of a web plate of each transverse walkway supporting H-beam is respectively welded with a forward walkway supporting H-beam (10) along the direction parallel to the forward bearing H-beam web plate, and the left end and the right end of a reinforcing H-beam (13) which is positioned at the outer side of the fixed H-beam (5) and is arranged in parallel with the fixed H-beam (5) are respectively fixedly connected with the front ends of the supporting H-beams (10);
a safety ladder cage (7) is welded on one vertical supporting I-steel (3) positioned on the open face of the rectangular body structure along the vertical direction, the top of the safety ladder cage is welded and fixed with a transverse walkway supporting I-steel (9) and a bearing I-steel outer side flange plate, vertical protective supporting steel pipes (11) are respectively welded at the end points of the forward walkway I-steel (10) along the vertical direction, and transverse protective steel pipes (12) are respectively welded between two adjacent vertical protective supporting steel pipes and between two adjacent vertical supporting I-steels (3) at the front, left and right positions of the rectangular body structure along the horizontal direction; and traveling steel plates are respectively erected between the forward walking channel I-steel and the forward bearing I-steel and between the fixed I-steel and the reinforcing I-steel.
2. The lowering device for the sea area pile foundation reinforcement cage of claim 1, characterized in that: safety protective nets are respectively arranged between the vertical protective supporting steel pipes (11) and between the upper parts of the two adjacent vertical supporting H-shaped steel (3) at the front, the left and the right of the rectangular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010848581.XA CN111910643A (en) | 2020-08-21 | 2020-08-21 | A transfer device that is used for sea area cushion cap pile foundation steel reinforcement cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010848581.XA CN111910643A (en) | 2020-08-21 | 2020-08-21 | A transfer device that is used for sea area cushion cap pile foundation steel reinforcement cage |
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| CN111910643A true CN111910643A (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010848581.XA Pending CN111910643A (en) | 2020-08-21 | 2020-08-21 | A transfer device that is used for sea area cushion cap pile foundation steel reinforcement cage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112340596A (en) * | 2020-11-12 | 2021-02-09 | 上海建工集团股份有限公司 | Hoisting device and hoisting method for reinforcement cage |
-
2020
- 2020-08-21 CN CN202010848581.XA patent/CN111910643A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112340596A (en) * | 2020-11-12 | 2021-02-09 | 上海建工集团股份有限公司 | Hoisting device and hoisting method for reinforcement cage |
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