CN116924208A - Single-ship double-main-hook large-diameter single pile turning method - Google Patents
Single-ship double-main-hook large-diameter single pile turning method Download PDFInfo
- Publication number
- CN116924208A CN116924208A CN202311196684.2A CN202311196684A CN116924208A CN 116924208 A CN116924208 A CN 116924208A CN 202311196684 A CN202311196684 A CN 202311196684A CN 116924208 A CN116924208 A CN 116924208A
- Authority
- CN
- China
- Prior art keywords
- pile
- hook
- main
- lifting
- diameter single
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 230000007704 transition Effects 0.000 claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 12
- 230000009471 action Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 7
- 230000005856 abnormality Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 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
- 238000012827 research and development Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a pile turning method for a single-ship double-main-hook large-diameter single pile, which adopts two lifting hooks, namely a main lifting hook and an auxiliary lifting hook, wherein the two lifting hooks are respectively connected with a transition connecting mechanism through a first supporting beam lifting appliance and a second supporting beam lifting appliance, and a main hanging strip of the transition connecting mechanism is then hung and connected with two lifting lugs on the large-diameter single pile; and the tail sliding mechanism capable of being automatically separated is designed, the upper end of the tail sliding mechanism is connected to the main lifting hook, and the tail sliding pliers at the lower end of the tail sliding mechanism are connected to the pile bottom of the large-diameter single pile. In the process of lifting and turning the large-diameter single pile, the pile turning posture can be adjusted in real time by controlling the lifting quantity of the main lifting hook and the auxiliary lifting hook, so that the flexibility and the maneuverability of pile turning are improved. After the pile bottom falls to the seabed mud surface, the tail sliding pliers can be automatically separated from the pile bottom, and the tail sliding steel wire rope can be separated from the main hook through lifting of the auxiliary hook, so that the recovery of the tail sliding pliers is completed; and finally, the double lifting hooks synchronously lift until the single pile is erected to finish pile turning, so that the large-diameter single pile is quickly and flexibly lifted and turned over.
Description
Technical Field
The invention belongs to the technical field of offshore wind power engineering, and particularly relates to a single-ship double-main-hook large-diameter single-pile turning method.
Background
In recent years, offshore wind power is rapidly developed, a single pile foundation is used as a foundation form widely applied, and along with the gradual development of offshore wind power engineering to deep sea and high-capacity units, the size and weight of the single pile are also greatly increased. The construction of single pile foundation needs to turn over the single pile, and because the existing crane ship resources are relatively short, the method of adopting double crane ships to match with pile turning over is limited to a certain extent, and the large-diameter single pile has larger weight, and the single hook pile turning over does not meet the hanging requirement.
Through research and development, the method for turning the large-diameter single pile by adopting the single-ship double-hook pile turning method can be used for turning the double-hook pile under the condition that the double hooks are not connected with one another, and meanwhile, the operation is stable and reliable, and the operation efficiency is high.
Disclosure of Invention
The invention aims at overcoming the technical defects in the prior art, and provides a single-ship double-main-hook large-diameter single-pile turning method, which realizes turning of a single-ship double-main-hook large-diameter single pile, realizes automatic detachment of a tail sliding clamp, improves construction efficiency and ensures safety of a construction process.
The technical scheme adopted for realizing the purpose of the invention is as follows:
a pile turning method for a single-ship double-main-hook large-diameter single pile adopts the following devices: the device comprises a main lifting hook, an auxiliary lifting hook, a first support beam lifting appliance, a second support beam lifting appliance, a transition connecting mechanism and a tail sliding mechanism;
the first supporting beam lifting appliance and the second supporting beam lifting appliance have the same structure, and the structure is that: comprises a balance beam main body, two upper hanging strips and two lower hanging strips which are connected with the balance beam main body;
the number of the transition connecting mechanisms is two, and the structure of each group of transition connecting mechanisms is as follows: the double-pin shaft member comprises a main sling and two double-pin shaft members connected to two ends of the main sling, wherein the double-pin shaft members are composed of a mounting frame and two upper pin shafts and lower pin shafts which are arranged on the mounting frame and are parallel to each other, the lower pin shafts of the two double-pin shaft members are connected to two ends of the main sling, and the upper pin shafts of the two double-pin shaft members are used for being connected with the lower sling of a first support beam sling and the lower sling of a second support beam sling;
the tail sliding mechanism comprises a tail sliding hook, a tail sliding steel wire rope and tail sliding pliers, wherein the tail sliding hook comprises a hanging strip and a hook head connected with the hanging strip;
the method for turning the single-ship large-diameter single pile by adopting the device comprises the following steps:
step S1: on a crane ship, two upper suspenders of a first support beam sling are respectively hung on two sides of a main lifting hook, and two upper suspenders of a second support beam sling are respectively hung on two sides of an auxiliary lifting hook; then, connecting the two lower hanging strips of the first supporting beam hanger and the two lower hanging strips of the second supporting beam hanger with two groups of transition connecting mechanisms;
the hanging belt of the tail sliding hook is hung on the main hanging hook, the tail sliding pliers are connected with the lower end of the tail sliding steel wire rope, and the upper end of the tail sliding steel wire rope is hung on the hook head of the tail sliding hook;
step S2: the crane adjusts the crane, moves the position of the main lifting hook, moves the tail sliding clamp to the bottom end of the large-diameter single pile to be lifted, and aligns the opening of the tail sliding clamp to the position right above the bottom end of the large-diameter single pile, so that the opening of the tail sliding clamp is used for covering the upper side wall of the bottom end of the large-diameter single pile;
step S3: the crane adjusts the crane, moves the positions of the main lifting hook and the auxiliary lifting hook, so that the two groups of transition connecting mechanisms are adjusted to be right above the two lifting lugs of the large-diameter single pile, then descends the main lifting hook and the auxiliary lifting hook, and a worker hangs the main hanging strip of the transition connecting mechanism on the lifting lug of the large-diameter single pile;
step S4: lifting the auxiliary lifting hook to lift the pile top of the large-diameter single pile, and lifting the main lifting hook after the upper part of the large-diameter single pile leaves the saddle so that the lower part of the large-diameter single pile leaves the saddle, wherein the pile top height is higher than the pile bottom in the whole process;
step S5: continuously lifting the main lifting hook and the auxiliary lifting hook simultaneously, stopping lifting the hooks when the pile bottom is higher than the driving building of the transport ship, and driving away the transport ship, wherein the pile top is higher than the pile bottom in the whole process; after the transport ship drives away, slowly descending the main lifting hook to enable an included angle formed by the large-diameter single pile and the horizontal plane to be 25-40 degrees, then synchronously descending the main lifting hook and the auxiliary lifting hook, and placing the pile bottom of the large-diameter single pile on the seabed mud surface;
step S6: after the pile bottom of the large-diameter single pile is placed on the seabed mud surface, continuously lowering the main lifting hook and the auxiliary lifting hook until the tail sliding steel wire rope is not stressed any more, and automatically sliding off the pile bottom under the action of self gravity;
step S7: and finally, lifting the main lifting hook and the auxiliary lifting hook simultaneously until the large-diameter single pile is vertical, and completing pile turning of the large-diameter single pile.
In the technical scheme, the two ends of the balance beam main body are provided with the pin shaft groups, each pin shaft group comprises an upper pin shaft and a lower pin shaft, the upper pin shaft is connected with the upper hanging strip, and the lower pin shaft is connected with the lower hanging strip; the upper pin shafts in the pin shaft groups at the two ends of the balance beam main body of the first support beam lifting appliance are connected with the main lifting hook through upper hanging strips, and the upper pin shafts in the pin shaft groups at the two ends of the balance beam main body of the second support beam lifting appliance are connected with the auxiliary lifting hook through upper hanging strips.
In the above technical scheme, the axial direction of the upper pin shaft of the pin shaft group is perpendicular to the axial direction of the lower pin shaft, wherein the axial direction of the upper pin shaft is perpendicular to the length direction of the balance beam main body, and the axial direction of the lower pin shaft is parallel to the length direction of the balance beam main body.
In the technical scheme, the upper end of the tail sliding steel wire rope is also connected with an auxiliary hook.
In the above technical scheme, in step S6, after the tail sliding pliers are separated from the pile bottom, the auxiliary hook is lifted, so that the tail sliding steel wire rope is separated from the hook head, and then the auxiliary hook is continuously lifted, and the tail sliding pliers are recovered.
In the above technical scheme, in step S4, after the pile bottom is higher than the saddle, the hooking is stopped, and the pile is allowed to stand for a period of time, so that the large-diameter single pile is stable, and whether an abnormality exists or not is observed.
In the above technical scheme, in step S5, the inclination angle of the large-diameter single pile can be adjusted by adjusting the vertical distance between the auxiliary lifting hook and the main lifting hook, so as to achieve a proper pile turning posture and improve the flexibility and maneuverability of pile turning.
Compared with the prior art, the invention has the beneficial effects that:
the invention adopts two lifting hooks of a main lifting hook and an auxiliary lifting hook, the two lifting hooks are respectively connected with a transition connecting mechanism through a first supporting beam lifting appliance and a second supporting beam lifting appliance, and a main hanging strip of the transition connecting mechanism is then hung and connected with two lifting lugs on a large-diameter single pile; and the tail sliding mechanism capable of being automatically separated is designed, the upper end of the tail sliding mechanism is connected to the main lifting hook, and the tail sliding pliers at the lower end of the tail sliding mechanism are connected to the pile bottom of the large-diameter single pile.
Compared with the traditional pile turning device with single lifting hook, the pile turning device has the advantages that the bearing capacity of each lifting hook and the lifting belt system is halved, and the pile turning safety is greatly improved for pile lifting and pile turning work with large diameter and heavy weight. In addition, in the process of lifting and turning the large-diameter single pile, the pile turning gesture can be adjusted in real time by respectively controlling the lifting quantity of the main lifting hook and the auxiliary lifting hook, so that the flexible maneuverability of pile turning is improved. After the pile bottom falls to the seabed mud surface, the tail sliding pliers can be automatically separated from the pile bottom, and the tail sliding steel wire rope can be separated from the connection with the main hook through lifting of the auxiliary hook, so that the recovery of the tail sliding pliers is completed; and finally, the double lifting hooks are synchronously lifted until the single pile is erected to finish pile turning, so that the large-diameter single pile is quickly and flexibly lifted and turned over, the tail sliding pliers are quickly unhooked and recycled, the whole construction process is simple and reliable, and the construction efficiency is further improved.
According to the invention, the lifting and pile turning work of the large-diameter single pile is realized by adopting the single-ship double-lifting hooks, the traditional double-ship matched pile turning is replaced, and the cost investment of ship machine equipment is greatly reduced.
Drawings
FIG. 1 is a schematic diagram of the single vessel double main hook large diameter single pile turning method of the present invention.
Fig. 2 is a schematic structural view of a supporting beam hanger in a device adopted by the single-ship double-main-hook large-diameter single-pile turning method.
Fig. 3 is a schematic structural view of a transitional connection mechanism in a device adopted by the single-ship double-main-hook large-diameter single-pile turning method.
Fig. 4 is a schematic structural view of a tail sliding mechanism in a device adopted by the single-ship double-main-hook large-diameter single-pile turning method.
Other relevant drawings may be made by those of ordinary skill in the art from the above figures without undue burden.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
A pile turning method for a single-ship double-main-hook large-diameter single pile is disclosed in the accompanying figure 1, and the method adopts the following devices: the lifting hook comprises a main lifting hook 1, an auxiliary lifting hook 2, a first supporting beam lifting hook 3, a second supporting beam lifting hook 4, a transition connecting mechanism 5 and a tail sliding mechanism 6, wherein the main lifting hook 1 is connected with the upper portion of the first supporting beam lifting hook 3, the auxiliary lifting hook 2 is connected with the upper portion of the second supporting beam lifting hook 4, the transition connecting mechanism 5 is connected with the lower portion of the first supporting beam lifting hook 3 and the lower portion of the second supporting beam lifting hook 4, the transition connecting mechanism 5 is connected to a lifting lug of a large-diameter single pile to be lifted, the upper portion of the tail sliding mechanism 6 is connected to the main lifting hook 1, and the lower portion of the tail sliding mechanism 6 is connected to a port of the large-diameter single pile.
Referring to fig. 2, the first support beam hanger 3 and the second support beam hanger 4 have the same structure, and the structure is that: the balance beam comprises a balance beam body 10, two upper hanging strips 11 and two lower hanging strips 12 which are connected with the balance beam body 10, wherein pin shaft groups 13 are arranged at two ends of the balance beam body 10, each pin shaft group 13 comprises an upper pin shaft 131 and a lower pin shaft 132, the axial direction of the upper pin shaft is perpendicular to the axial direction of the lower pin shaft, the axial direction of the upper pin shaft 131 is perpendicular to the length direction of the balance beam body 10, the axial direction of the lower pin shaft 132 is parallel to the length direction of the balance beam body 10, the upper pin shaft 131 is connected with the upper hanging strips 11, and the lower pin shaft 132 is connected with the lower hanging strips 12; the upper pin shafts in the pin shaft groups at two ends of the balance beam main body of the first support beam lifting appliance 3 are connected with the main lifting hook 1 through upper hanging strips, and the upper pin shafts in the pin shaft groups at two ends of the balance beam main body of the second support beam lifting appliance 4 are connected with the auxiliary lifting hook 2 through upper hanging strips.
Referring to fig. 3, the number of the transition connecting mechanisms 5 is two, and the two groups of transition connecting mechanisms 5 are symmetrically arranged at two sides of the large-diameter single pile to be hoisted. The structure of each group of transition connection mechanisms 5 is as follows: the double-pin lifting device comprises a main lifting belt 52 and two double-pin shaft members 51 connected to two ends of the main lifting belt, wherein the double-pin shaft members 51 are composed of a mounting frame and two upper pin shafts 511 and lower pin shafts 512 which are arranged on the mounting frame and are parallel to each other, the lower pin shafts 512 of the two double-pin shaft members 51 are respectively connected with two ends of the main lifting belt 52 (namely, one end of the main lifting belt 52 is connected to the lower pin shaft 512 of one double-pin shaft member 51, the other end of the main lifting belt 52 is connected to the lower pin shaft 512 of the other double-pin shaft member 51), the main lifting belt 52 is integrally wound on a lifting lug 7 of a large-diameter single pile to be lifted, and the upper pin shafts 511 of the two double-pin shaft members 51 are respectively connected with the lower lifting belt 12 of the first supporting beam lifting device 3 and the lower pin shaft 12 of the second supporting beam lifting device 4 (namely, the lower pin shaft 12 of the first supporting beam lifting device 3 is connected to the upper pin shaft 511 of one double-pin shaft member 51, and the lower supporting beam lifting device 12 of the second supporting beam lifting device 4 is connected to the upper pin shaft 511 of the other double-pin shaft member 51).
Referring to fig. 4, the tail sliding mechanism 6 includes a tail sliding hook 61, a tail sliding wire rope 62 and a tail sliding clamp 63, wherein the upper end of the tail sliding hook 61 is connected to the main hook 1, the lower end of the tail sliding hook 61 is connected to the upper end of the tail sliding wire rope 62, the lower end of the tail sliding wire rope 62 is connected to the tail sliding clamp 63, and the tail sliding clamp 63 is used for clamping the bottom end of a large-diameter single pile; specifically, the tail sliding hook 61 includes a hanging strip 611 and a hook head 612, the upper end of the hanging strip 611 is connected to the main hanging hook 1, the bottom end of the hanging strip 611 is connected to the hook head 612, and the hook head 612 is connected to the tail sliding wire rope 62, so as to realize automatic detachment of the tail sliding hook, and improve construction efficiency.
The method for turning the single-ship large-diameter single pile by adopting the device comprises the following steps:
step S1: on a crane ship, two upper suspenders of a first support beam sling 3 are respectively hung on two sides of a main lifting hook 1, and two upper suspenders of a second support beam sling 4 are respectively hung on two sides of an auxiliary lifting hook 2; then, connecting the two lower hanging strips of the first support beam hanger 3 and the two lower hanging strips of the second support beam hanger 4 with two groups of transition connecting mechanisms 5;
the tail sliding mechanism 6 is connected with the main lifting hook 1, specifically: the hanging strip 611 of the tail sliding hook 61 is hung on the main hanging hook 1, the tail sliding pliers 63 are connected with the lower end of the tail sliding steel wire rope 62, the upper end of the tail sliding steel wire rope 62 is hung on the hook head 612 of the tail sliding hook 61, and the auxiliary hook is also connected with the upper end of the tail sliding steel wire rope 62 through a rope loop.
Step S2: the crane adjusts the crane, moves the position of the main lifting hook 1, moves the tail sliding clamp 63 to the bottom end of the large-diameter single pile to be lifted, aligns the opening of the tail sliding clamp to the position right above the bottom end of the large-diameter single pile by a method of pulling a cable wind rope, and then enables the opening of the tail sliding clamp to cover the upper side wall of the bottom end of the large-diameter single pile by rotating the arm rod of the crane ship.
Step S3: the crane adjusts the crane, moves the positions of the main lifting hook 1 and the auxiliary lifting hook 2, so that the two groups of transition connecting mechanisms 5 are adjusted to the positions right above the two lifting lugs 7 of the large-diameter single pile, and then descends the main lifting hook 1 and the auxiliary lifting hook 2; the worker then hangs the main sling 52 of the transition connection mechanism 5 on the lifting lug of the large-diameter mono-pile for connection.
Step S4: lifting the auxiliary lifting hook 2 to lift the pile top of the large-diameter single pile, and lifting the main lifting hook 1 after the upper part of the large-diameter single pile leaves the saddle so that the lower part of the large-diameter single pile leaves the saddle, wherein the pile top height is higher than the pile bottom in the whole process; when the pile bottom is higher than the saddle seat by 1m, the lifting hook is stopped (namely, the movement of the main lifting hook 1 and the auxiliary lifting hook 2 is stopped), and the pile is kept stand for 30 seconds, so that the large-diameter single pile is stable.
Step S5: after no abnormality, the main lifting hook 1 and the auxiliary lifting hook 2 are continuously lifted at the same time, when the pile bottom is higher than the driving building of the transport ship, the lifting hook is stopped, the transport ship is driven away, and the pile top is higher than the pile bottom in the whole process; after the transport ship drives away, slowly descending the main lifting hook 1 to enable an included angle formed by the large-diameter single pile and the horizontal plane to be 25-40 degrees, then synchronously descending the main lifting hook 1 and the auxiliary lifting hook 2, and placing the pile bottom of the large-diameter single pile on the seabed mud surface. In the process, the pile turning posture can be adjusted in real time by respectively controlling the lifting amounts of the main lifting hook 1 and the auxiliary lifting hook 2, so that the flexibility and the maneuverability of pile turning are improved.
Step S6: after the pile bottom of the large-diameter single pile is placed on the seabed mud surface, the main lifting hook 1 and the auxiliary lifting hook 2 are continuously lowered until the tail sliding steel wire rope 62 is not stressed any more (namely, after the pile bottom is contacted with the seabed, the pile bottom is not continuously lowered, and as the main lifting hook 1 and the auxiliary lifting hook 2 are continuously lowered synchronously, the inclination angle of the pile body is gradually reduced, the distance between the installation positions of the main lifting hook 1 and the tail sliding pliers 63 of the pile bottom is gradually reduced in the process, so that the tail sliding steel wire rope 62 is gradually loosened and is not stressed any more), and after the tail sliding steel wire rope 62 is not stressed any more, the tail sliding pliers 63 automatically slide off from the pile bottom under the action of self gravity as the main lifting hook 1 and the auxiliary lifting hook 2 are continuously lowered; and then, lifting the auxiliary hook until the slipped tail steel wire rope 62 is separated from the hook head 612, and finally, continuously lifting the auxiliary hook, and recovering the slipped tail pliers, thereby improving the construction efficiency.
Step S7: and finally, lifting the main lifting hook 1 and the auxiliary lifting hook 2 simultaneously until the large-diameter single pile is vertical, and completing pile turning of the large-diameter single pile.
The foregoing has described exemplary embodiments of the invention, it being understood that any simple variations, modifications, or other equivalent arrangements which would not unduly obscure the invention may be made by those skilled in the art without departing from the spirit of the invention.
Claims (7)
1. A pile turning method for a single-ship double-main-hook large-diameter single pile is characterized by comprising the following steps of: the method adopts the following devices: the device comprises a main lifting hook, an auxiliary lifting hook, a first support beam lifting appliance, a second support beam lifting appliance, a transition connecting mechanism and a tail sliding mechanism;
the first supporting beam lifting appliance and the second supporting beam lifting appliance have the same structure, and the structure is that: comprises a balance beam main body, two upper hanging strips and two lower hanging strips which are connected with the balance beam main body;
the number of the transition connecting mechanisms is two, and the structure of each group of transition connecting mechanisms is as follows: the double-pin shaft member comprises a main sling and two double-pin shaft members connected to two ends of the main sling, wherein the double-pin shaft members are composed of a mounting frame and two upper pin shafts and lower pin shafts which are arranged on the mounting frame and are parallel to each other, the lower pin shafts of the two double-pin shaft members are connected to two ends of the main sling, and the upper pin shafts of the two double-pin shaft members are used for being connected with the lower sling of a first support beam sling and the lower sling of a second support beam sling;
the tail sliding mechanism comprises a tail sliding hook, a tail sliding steel wire rope and tail sliding pliers, wherein the tail sliding hook comprises a hanging strip and a hook head connected with the hanging strip;
the method for turning the single-ship large-diameter single pile by adopting the device comprises the following steps:
step S1: on a crane ship, two upper suspenders of a first support beam sling are respectively hung on two sides of a main lifting hook, and two upper suspenders of a second support beam sling are respectively hung on two sides of an auxiliary lifting hook; then, connecting the two lower hanging strips of the first supporting beam hanger and the two lower hanging strips of the second supporting beam hanger with two groups of transition connecting mechanisms;
the hanging belt of the tail sliding hook is hung on the main hanging hook, the tail sliding pliers are connected with the lower end of the tail sliding steel wire rope, and the upper end of the tail sliding steel wire rope is hung on the hook head of the tail sliding hook;
step S2: the crane adjusts the crane, moves the position of the main lifting hook, moves the tail sliding clamp to the bottom end of the large-diameter single pile to be lifted, and aligns the opening of the tail sliding clamp to the position right above the bottom end of the large-diameter single pile, so that the opening of the tail sliding clamp is used for covering the upper side wall of the bottom end of the large-diameter single pile;
step S3: the crane adjusts the crane, moves the positions of the main lifting hook and the auxiliary lifting hook, so that the two groups of transition connecting mechanisms are adjusted to be right above the two lifting lugs of the large-diameter single pile, then descends the main lifting hook and the auxiliary lifting hook, and a worker hangs the main hanging strip of the transition connecting mechanism on the lifting lug of the large-diameter single pile;
step S4: lifting the auxiliary lifting hook to lift the pile top of the large-diameter single pile, and lifting the main lifting hook after the upper part of the large-diameter single pile leaves the saddle so that the lower part of the large-diameter single pile leaves the saddle, wherein the pile top height is higher than the pile bottom in the whole process;
step S5: continuously lifting the main lifting hook and the auxiliary lifting hook simultaneously, stopping lifting the hooks when the pile bottom is higher than the driving building of the transport ship, and driving away the transport ship, wherein the pile top is higher than the pile bottom in the whole process; after the transport ship drives away, slowly descending the main lifting hook to enable an included angle formed by the large-diameter single pile and the horizontal plane to be 25-40 degrees, then synchronously descending the main lifting hook and the auxiliary lifting hook, and placing the pile bottom of the large-diameter single pile on the seabed mud surface;
step S6: after the pile bottom of the large-diameter single pile is placed on the seabed mud surface, continuously lowering the main lifting hook and the auxiliary lifting hook until the tail sliding steel wire rope is not stressed any more, and automatically sliding off the pile bottom under the action of self gravity;
step S7: and finally, lifting the main lifting hook and the auxiliary lifting hook simultaneously until the large-diameter single pile is vertical, and completing pile turning of the large-diameter single pile.
2. The single-ship double-main-hook large-diameter single-pile turning method according to claim 1, characterized by comprising the following steps: the two ends of the balance beam main body are provided with pin shaft groups, each pin shaft group comprises an upper pin shaft and a lower pin shaft, the upper pin shaft is connected with the upper hanging strip, and the lower pin shaft is connected with the lower hanging strip; the upper pin shafts in the pin shaft groups at the two ends of the balance beam main body of the first support beam lifting appliance are connected with the main lifting hook through upper hanging strips, and the upper pin shafts in the pin shaft groups at the two ends of the balance beam main body of the second support beam lifting appliance are connected with the auxiliary lifting hook through upper hanging strips.
3. The single-ship double-main-hook large-diameter single-pile turning method according to claim 2, characterized by comprising the following steps: the axial direction of the upper pin shaft of the pin shaft group is perpendicular to the axial direction of the lower pin shaft, wherein the axial direction of the upper pin shaft is perpendicular to the length direction of the balance beam main body, and the axial direction of the lower pin shaft is parallel to the length direction of the balance beam main body.
4. The single-ship double-main-hook large-diameter single-pile turning method according to claim 1, characterized by comprising the following steps: an auxiliary hook is also connected with the upper end of the tail sliding steel wire rope.
5. The single-ship double-main-hook large-diameter single-pile turning method according to claim 4, characterized by comprising the following steps: in step S6, after the tail sliding pliers are separated from the pile bottom, the auxiliary hook is lifted, so that the tail sliding steel wire rope is separated from the hook head, and then the auxiliary hook is continuously lifted, and the tail sliding pliers are recovered.
6. The single-ship double-main-hook large-diameter single-pile turning method according to claim 1, characterized by comprising the following steps: in step S4, after the pile bottom is higher than the saddle seat, stopping hooking, standing for a period of time to stabilize the large-diameter single pile, and observing whether the large-diameter single pile is abnormal or not.
7. The single-ship double-main-hook large-diameter single-pile turning method according to claim 1, characterized by comprising the following steps: in step S5, the inclination angle of the large-diameter single pile is adjusted by adjusting the up-down distance of the auxiliary hooks with respect to the main hooks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311196684.2A CN116924208B (en) | 2023-09-18 | 2023-09-18 | Single-ship double-main-hook large-diameter single pile turning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311196684.2A CN116924208B (en) | 2023-09-18 | 2023-09-18 | Single-ship double-main-hook large-diameter single pile turning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116924208A true CN116924208A (en) | 2023-10-24 |
| CN116924208B CN116924208B (en) | 2023-12-01 |
Family
ID=88381108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311196684.2A Active CN116924208B (en) | 2023-09-18 | 2023-09-18 | Single-ship double-main-hook large-diameter single pile turning method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116924208B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109775565A (en) * | 2019-02-25 | 2019-05-21 | 中交第三航务工程局有限公司 | A kind of large-diameter pile single hook turns over piling method under water |
| CN110803609A (en) * | 2019-11-26 | 2020-02-18 | 上海振华重工(集团)股份有限公司 | Pile turning lifting appliance and operation method thereof |
| CN210973614U (en) * | 2019-07-01 | 2020-07-10 | 风潮海洋工程(深圳)有限公司 | Marine wind power major diameter single pile upset frock |
| CN112771238A (en) * | 2018-07-26 | 2021-05-07 | 德米海洋比利时有限公司 | Device and method for erecting a tubular element having a longitudinal direction from a support surface at an outer end |
| CN112897339A (en) * | 2021-01-13 | 2021-06-04 | 保利长大工程有限公司 | Method for turning large-diameter single pile of full-rotation crane ship |
| KR102291167B1 (en) * | 2020-09-22 | 2021-08-20 | 광명건설산업 주식회사 | Nonwellding of salvage lug and pile construction method |
| US20210301790A1 (en) * | 2018-07-26 | 2021-09-30 | Deme Offshore Be Nv | Device and Method for Upending a Tubular Element with a Longitudinal Direction at an Outer End |
-
2023
- 2023-09-18 CN CN202311196684.2A patent/CN116924208B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112771238A (en) * | 2018-07-26 | 2021-05-07 | 德米海洋比利时有限公司 | Device and method for erecting a tubular element having a longitudinal direction from a support surface at an outer end |
| US20210301790A1 (en) * | 2018-07-26 | 2021-09-30 | Deme Offshore Be Nv | Device and Method for Upending a Tubular Element with a Longitudinal Direction at an Outer End |
| CN109775565A (en) * | 2019-02-25 | 2019-05-21 | 中交第三航务工程局有限公司 | A kind of large-diameter pile single hook turns over piling method under water |
| CN210973614U (en) * | 2019-07-01 | 2020-07-10 | 风潮海洋工程(深圳)有限公司 | Marine wind power major diameter single pile upset frock |
| CN110803609A (en) * | 2019-11-26 | 2020-02-18 | 上海振华重工(集团)股份有限公司 | Pile turning lifting appliance and operation method thereof |
| KR102291167B1 (en) * | 2020-09-22 | 2021-08-20 | 광명건설산업 주식회사 | Nonwellding of salvage lug and pile construction method |
| CN112897339A (en) * | 2021-01-13 | 2021-06-04 | 保利长大工程有限公司 | Method for turning large-diameter single pile of full-rotation crane ship |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116924208B (en) | 2023-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111980391A (en) | Integral hoisting platform and building method of building outer facade construction platform | |
| CN102701083A (en) | Special equipment and method for replacing wind driven generator component | |
| CN105366567A (en) | Intelligent assisting platform for dismounting and mounting of GIS (Gas Insulated Substation) | |
| CN105936470A (en) | Wind power generator automatic turning lifter and mounting method | |
| CN209024048U (en) | A kind of high stability tubing derrick crane | |
| CN116924208B (en) | Single-ship double-main-hook large-diameter single pile turning method | |
| CN105829203A (en) | Saddle and hook system | |
| CN105398944B (en) | Steel structure component bikini lifts by crane erecting device | |
| CN113264458A (en) | Tower crane system and method for removing attachment rod thereof | |
| CN106629411A (en) | Multifunctional tube hoisting device | |
| CN203529784U (en) | Wind power maintenance machine | |
| CN216549336U (en) | High-stability hoisting mechanism of pipe hoist | |
| CN211228138U (en) | Suspension bridge hanging beam system | |
| CN210393401U (en) | Hoisting and positioning device for stand column | |
| CN211971577U (en) | Tower crane system | |
| CN210049875U (en) | Hydraulic oil pumping unit | |
| CN110593112A (en) | Suspension bridge hanging beam system and hanging beam process | |
| CN206569931U (en) | A kind of multi-functional pipe handling appliance | |
| CN219567375U (en) | Photovoltaic module hoist device | |
| CN219314363U (en) | Large-scale floating crane marine hook auxiliary device | |
| CN218145325U (en) | Hoisting rigging | |
| CN105438958B (en) | Rotating lifting steel-fastening structure component boom hoisting | |
| CN214989699U (en) | Wind-powered electricity generation anchor slab flange hoist and mount frock | |
| CN102199996A (en) | Stand connection method and device thereof | |
| CN218453895U (en) | Novel grab bucket for salvaging sunken ship |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |