CN210002405U - Diameter-variable pile cap structure of foundation pile for offshore construction - Google Patents
Diameter-variable pile cap structure of foundation pile for offshore construction Download PDFInfo
- Publication number
- CN210002405U CN210002405U CN201920315678.7U CN201920315678U CN210002405U CN 210002405 U CN210002405 U CN 210002405U CN 201920315678 U CN201920315678 U CN 201920315678U CN 210002405 U CN210002405 U CN 210002405U
- Authority
- CN
- China
- Prior art keywords
- pile
- pile cap
- supporting
- diameter
- barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000010276 construction Methods 0.000 title claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Landscapes
- Foundations (AREA)
Abstract
The utility model discloses a but variable diameter pile cap structure of foundation pile for offshore construction, including the pile cap barrel, be equipped with the internal stay mechanism that supports the pile body medial surface in the pile cap barrel, pile cap barrel lower part is equipped with annular base, the circumference equipartition has the reducing mechanism of at least three support pile body lateral surface on the base, be equipped with on the lateral wall of pile cap barrel corresponding to reducing mechanism and dodge the through-hole, reducing mechanism is including setting up the pneumatic cylinder on the base and setting up the outrigger locating piece that pushes away the pile body lateral surface at pneumatic cylinder tailpiece of the piston rod portion, internal stay mechanism includes the supporting body that is connected with the pile cap barrel, supporting body lower surface activity card is equipped with the internal stay baffle with pile body internal surface matched with, supporting body lower part central authorities are equipped with the ring flange, be equipped with the last hydraulic stem of vertical arranging downwards on the ring flange, the tip is equipped with the connection pad under the last hydraulic.
Description
Technical Field
The utility model relates to an kind marine pile driver ships and mechanical equipment thereof especially relate to the variable diameter pile cap structure of kind foundation pile for offshore construction.
Background
At present, in the construction process of driving foundation piles for offshore structures, the foundation piles are usually driven to a desired depth by driving piles with pile driving hammers, in order to prevent the top ends of the foundation piles from being deformed during the driving process, pile driving caps are required to be added on the foundation piles.
The foundation piles for the offshore building have different diameters, the existing pile driving caps can only drive the foundation piles with specific diameters, the pile driving caps corresponding to the foundation piles with the specific diameters can only be manufactured aiming at the pile driving problem of the foundation piles with different diameters, the overall manufacturing cost is high, meanwhile, the pile caps need to be replaced in the construction process, and the working efficiency is low.
The Chinese patent with the application number of 201310163667.9 discloses pile caps with six-wing structures for offshore riser pipes, diameter changing cannot be achieved, the loaded positions of the tops of the pile caps are not improved, the service life is relatively short, the Chinese patent with the application number of 201720971213.8 discloses a movable pile cap which cannot achieve diameter changing and is free of an internal supporting device, and the top of a foundation pile is easy to deform in the pile driving process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing pile cap structures with variable diameters for foundation piles of offshore structures.
For solving the technical problem, the utility model discloses the technical scheme who adopts does: the diameter-variable pile cap structure of the foundation pile for the offshore building comprises a pile cap barrel, wherein an inner supporting mechanism for supporting the inner side surface of a pile body is arranged in the pile cap barrel, an annular base is arranged at the lower part of the pile cap barrel, at least three diameter-variable mechanisms for supporting the outer side surface of the pile body are uniformly distributed on the base in the circumferential direction, an avoiding through hole is formed in the position, corresponding to the diameter-variable mechanisms, on the side wall of the pile cap barrel, and each diameter-variable mechanism comprises a hydraulic cylinder arranged on the base and an outer supporting positioning block arranged at the end part of a piston rod of the;
the inner supporting mechanism comprises a supporting body connected with the pile cap barrel, a plurality of sliding grooves radiating outwards from the center are uniformly distributed on the lower surface of the supporting body, an inner supporting baffle matched with the inner surface of the pile body is movably clamped in each sliding groove, a flange is arranged in the center of the lower portion of the supporting body, an upper hydraulic rod arranged vertically downwards is arranged on each flange, a connecting disc is arranged at the lower end of each upper hydraulic rod, a connecting rod is hinged to each connecting disc, and the end portion of each connecting rod is hinged to the inner supporting baffle; the annular base is provided with a hydraulic pump which is connected with the hydraulic cylinder and the upper hydraulic rod through a guide pipe.
the pile cap cylinder comprises an upper pile cap connected to and a lower pile cap in a substantially cylindrical shape, the inner support mechanism is connected with the upper pile cap, and the avoiding through hole is arranged on the lower pile cap.
preferred schemes, a guide sleeve is arranged in the avoiding through hole, and a guide part matched with the inner wall of the guide sleeve is arranged on the outer support positioning block.
The utility model has the advantages that: the structure separates the bearing body of the pile hammer from the pile cap main body, and the bearing body is of a solid structure, thereby effectively prolonging the service life of the pile cap, realizing the replacement of the pile cap and reducing the manufacturing cost; in addition, due to the adoption of the internal support mechanism, the concentricity of the pile cap and the foundation pile is high, and the deformation of the top of the foundation pile can be effectively avoided; and due to the design of the reducing mechanism, the pile driving can be carried out on foundation piles with different diameters.
The pile cap cylinder comprises an upper pile cap connected with and a lower pile cap in a roughly cylindrical shape, and the inner support mechanism is connected with the upper pile cap, so that the processing of the pile cap cylinder and the installation of the inner support mechanism are easier.
Because the avoiding through hole is internally provided with the guide sleeve, and the outer support positioning block is provided with the guide part matched with the inner wall of the guide sleeve, the movement of the outer support positioning block is more stable and reliable.
Drawings
Fig. 1 is a schematic structural view of the diameter-variable pile cap of the present invention.
Fig. 2 is a schematic structural view of the diameter-variable pile cap cylinder of the present invention.
Fig. 3 is a schematic structural view of the inner support mechanism of the diameter-variable pile cap of the present invention.
Fig. 4 is a schematic structural diagram of the diameter-variable pile cap diameter-variable mechanism of the present invention.
In fig. 1 to 4: 1-pile cap cylinder, 2-internal support mechanism, 3-diameter-changing mechanism, 4-base, 5-hydraulic pump and 6-conduit; 11-upper pile cap, 12-lower pile cap; 21-a bearing body, 22-a flange plate, 23-an upper hydraulic rod, 24-an inner support baffle, 25-a connecting rod and 26-a connecting disc; 31-hydraulic cylinder, 32-external support positioning block.
Detailed Description
The following describes in detail a specific embodiment of the present invention with reference to the drawings.
As shown in fig. 1-4, the variable diameter pile cap structure of the foundation pile for the offshore construction comprises a pile cap cylinder 1, wherein the pile cap cylinder 1 comprises an upper pile cap 11 connected to and a lower pile cap 12 in a roughly cylindrical shape, an inner supporting mechanism 2 for supporting the inner side surface of the pile body is arranged in the upper pile cap 11 of the pile cap cylinder 1, an annular base 4 is arranged at the lower part of the pile cap cylinder 1, at least three diameter-changing mechanisms 3 for supporting the outer side surface of the pile body are circumferentially and uniformly distributed on the base 4, an avoiding through hole is arranged on the side wall of the lower pile cap 12 of the pile cap cylinder 1 corresponding to the diameter-changing mechanisms 3, the diameter-changing mechanisms 3 comprise a hydraulic cylinder 31 arranged on the base 4 and an outer supporting positioning block 32 arranged at the end of a piston rod of the hydraulic cylinder 31 and pushing against the outer side surface of the pile body, a guide sleeve is arranged in the avoiding through hole.
The inner supporting mechanism 2 comprises a supporting body 21 connected with the pile cap barrel 1, a plurality of sliding grooves radiating outwards from the center are uniformly distributed on the lower surface of the supporting body 21, inner supporting baffles 24 matched with the inner surface of the pile body are movably clamped in the sliding grooves, a flange plate 22 is arranged in the center of the lower part of the supporting body 21, an upper hydraulic rod 23 arranged vertically and downwards is arranged on the flange plate 22, a connecting plate 26 is arranged at the lower end part of the upper hydraulic rod 23, a connecting rod 25 is hinged on the connecting plate 26, and the end part of the connecting rod 25 is hinged with the inner supporting baffles; the annular base 4 is provided with a hydraulic pump 5, and the hydraulic pump 5 is connected with the hydraulic cylinder 31 and the upper hydraulic rod 23 through a conduit 6.
When the variable-diameter pile cap is constructed, the pile cap cylinder 1 is firstly sleeved on a foundation pile; then the hydraulic cylinder 23 drives the inner support mechanism 2 to change the diameter so that the inner support baffle 24 is attached to the inner surface of the foundation pile; then the hydraulic cylinder 31 drives the reducing mechanism 3 to make the stop 32 stick to the outer surface of the foundation pile.
The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be applied, and are not intended to limit the present invention; it should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.
Claims (3)
- The variable-diameter pile cap structure of the foundation pile for the offshore building is characterized by comprising a pile cap barrel, wherein an inner supporting mechanism for supporting the inner side surface of a pile body is arranged in the pile cap barrel, an annular base is arranged at the lower part of the pile cap barrel, at least three reducing mechanisms for supporting the outer side surface of the pile body are uniformly distributed on the base in the circumferential direction, an avoiding through hole is formed in the position, corresponding to the reducing mechanisms, on the side wall of the pile cap barrel, and each reducing mechanism comprises a hydraulic cylinder arranged on the base and an outer supporting positioning block arranged at the end part of a piston rod of the hydraulic cylinder and used for pushing against the outer side surface of;the inner supporting mechanism comprises a supporting body connected with the pile cap barrel, a plurality of sliding grooves radiating outwards from the center are uniformly distributed on the lower surface of the supporting body, an inner supporting baffle matched with the inner surface of the pile body is movably clamped in each sliding groove, a flange is arranged in the center of the lower portion of the supporting body, an upper hydraulic rod arranged vertically downwards is arranged on each flange, a connecting disc is arranged at the lower end of each upper hydraulic rod, a connecting rod is hinged to each connecting disc, and the end portion of each connecting rod is hinged to the inner supporting baffle; the annular base is provided with a hydraulic pump which is connected with the hydraulic cylinder and the upper hydraulic rod through a guide pipe.
- 2. The variable-diameter pile cap structure of foundation piles for offshore structures as claimed in claim 1, wherein the pile cap cylinder includes an upper pile cap connected to and a substantially cylindrical lower pile cap, the inner support means is connected to the upper pile cap, and the escape through-hole is provided in the lower pile cap.
- 3. The pile cap structure with variable diameter for foundation pile of offshore construction as claimed in claim 2, wherein the avoiding through hole is provided with a guiding sleeve, the outer support positioning block is provided with a guiding part matching with the inner wall of the guiding sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920315678.7U CN210002405U (en) | 2019-03-13 | 2019-03-13 | Diameter-variable pile cap structure of foundation pile for offshore construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920315678.7U CN210002405U (en) | 2019-03-13 | 2019-03-13 | Diameter-variable pile cap structure of foundation pile for offshore construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210002405U true CN210002405U (en) | 2020-01-31 |
Family
ID=69301416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920315678.7U Withdrawn - After Issue CN210002405U (en) | 2019-03-13 | 2019-03-13 | Diameter-variable pile cap structure of foundation pile for offshore construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210002405U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116289943A (en) * | 2023-05-10 | 2023-06-23 | 西南石油大学 | Pile driving cap structure of marine drilling platform riser and pile driving method thereof |
-
2019
- 2019-03-13 CN CN201920315678.7U patent/CN210002405U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116289943A (en) * | 2023-05-10 | 2023-06-23 | 西南石油大学 | Pile driving cap structure of marine drilling platform riser and pile driving method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2723947B1 (en) | Centre system | |
| CN210002405U (en) | Diameter-variable pile cap structure of foundation pile for offshore construction | |
| CN109826197B (en) | Variable diameter pile cap structure of foundation pile for offshore construction | |
| CN110280999B (en) | Tool for horizontally hoisting marine hydraulic nuts | |
| CN105570323A (en) | Axial locking limiting structure for large-size transmission shaft and application method | |
| CN217517576U (en) | Intertidal zone marine pile arranging quick accurate positioning pile driving guide frame | |
| CN111730007A (en) | Straightening device of reinforcing steel bar hoop bending machine | |
| CN217896487U (en) | Pile clamping mechanism | |
| CN207170588U (en) | A kind of bending machine | |
| CN210364120U (en) | Motor fixing device for controlling lifting of screw rod | |
| CN209906175U (en) | Supporting and hoisting device for thin-wall container barrel | |
| CN210589085U (en) | Pressure accumulator dismounting tool for diesel engine cylinder hydraulic unit | |
| CN215052987U (en) | Reducing pile feeder | |
| CN202100045U (en) | Inner steel cylinder and piston ring jacking device for chimney | |
| CN202684793U (en) | Clamping mechanism | |
| CN216264196U (en) | Auxiliary manufacturing device for ultra-large stinger of deep sea pipe laying ship | |
| CN115404864B (en) | Multifunctional pile clamping mechanism | |
| CN111994709B (en) | Base walking supporting and adjusting structure | |
| CN217020444U (en) | Three-point internal-supporting type cylinder sleeve clamping hand | |
| CN220035419U (en) | Diameter-variable pile driver | |
| CN210342685U (en) | Supporting mechanism based on in deep foundation ditch | |
| CN220150305U (en) | Offshore wind power pile driving and delivering device for booster station foundation | |
| CN221232809U (en) | Quick die change positioning mechanism | |
| CN219953405U (en) | Mining single hydraulic prop movable prop barrel | |
| CN212897620U (en) | Adjustable supporting member |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200131 Effective date of abandoning: 20240202 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200131 Effective date of abandoning: 20240202 |