CN116537191A - Embedded large-scale steel pipe pile anti-slip buffer device - Google Patents
Embedded large-scale steel pipe pile anti-slip buffer device Download PDFInfo
- Publication number
- CN116537191A CN116537191A CN202310821682.1A CN202310821682A CN116537191A CN 116537191 A CN116537191 A CN 116537191A CN 202310821682 A CN202310821682 A CN 202310821682A CN 116537191 A CN116537191 A CN 116537191A
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- steel pipe
- pipe pile
- sealing disc
- sealing
- wall
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 85
- 239000010959 steel Substances 0.000 title claims abstract description 85
- 238000007789 sealing Methods 0.000 claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000009471 action Effects 0.000 claims abstract description 6
- 230000008093 supporting effect Effects 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
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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
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
-
- 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
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
- E02D5/285—Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses an embedded large steel pipe pile anti-slip buffer device which comprises a sealing disc, a sealing disc fixing mechanism and a self-adaptive closing valve, wherein the sealing disc is fixed on the sealing disc; the sealing disc is used for being installed inside the upper port of the steel pipe pile and sealing the upper port of the steel pipe pile; the sealing disc fixing mechanism is arranged on the bottom surface of the sealing disc and used for fixing the position of the sealing disc; the sealing disc is provided with a permeable through hole communicated with the outside, and the self-adaptive closed valve is arranged in the permeable through hole and can adaptively control the conducting state of the permeable through hole according to the sinking state of the steel pipe pile. When the steel pipe pile slides, the water flow speed of the steel pipe pile outer row is greatly increased, the conical valve core is pushed to overcome the resistance of the reset spring to close the opening of the conical wall under the action of the continuous and rapid outer row water flow, so that the water pressure in the steel pipe pile is increased, and the slide pile is effectively prevented.
Description
Technical Field
The invention belongs to the technical field of pile foundation construction of ocean engineering, and particularly relates to an embedded large-scale steel pipe pile anti-slip buffer device.
Background
The construction of pile foundations is not carried out by ocean resource exploitation and development equipment from a port and a dock in a shallow water area, a bridge, an offshore wind power plant, an ocean jacket platform in a deep water area and the like. The steel pipe pile can bear intermittent hammering impulsive force of a pile hammer, pile foundation bearing capacity is large, design flexibility is large, the length of the steel pile is convenient to lengthen or cut off and other adjustment, the steel pile is widely applied to marine structure pile foundation construction, and for steel pile drivability, an open steel pile is easier to drive into a soil layer than a closed steel pile. The offshore piling process is easily influenced by wind resistance, water flow, rock and soil properties and the like and is limited by environmental conditions, so that the dangerous factors of piling are increased, and the difficulty is more obvious. Meanwhile, with the continuous improvement of the world material and equipment manufacturing capacity, the size of the steel pile is greatly changed, the diameter of the pile body is increased, and the depth of the driven soil is increased, so that the pile driving scheme of the steel pile in the pile driving process is required to be subjected to safety protection design to ensure the pile driving safety.
The large-diameter ultra-long steel pile can generate an emergency in the continuous pile driving process, namely the steel pile suddenly and automatically sinks to a certain depth in the intermittent of a certain hammering or two hammering, and the automatic sinking state of the steel pile is called pile sliding in construction. The swift current stake is a dangerous phenomenon in the pile construction, and the emergence of swift current stake influences the efficiency of pile, and swift current stake speed can cause the damage to stake and steel pile, increases the cost of piling, leads to the pile foundation to be used even, needs to trade the stake or trade the pile region. Pile slipping can also result in incorrect assessment of pile foundation bearing capacity after pile driving.
In order to solve the problem of pile sliding of a large-diameter steel pipe pile, the current prior art mainly increases a current limiting plate at a pile opening, and changes the water flow of a water permeable hole on the current limiting plate so as to slow down the penetrating speed during pile sliding.
Disclosure of Invention
The invention aims at overcoming the technical defects in the prior art and provides an embedded large steel pipe pile anti-slip buffer device.
The technical scheme adopted for realizing the purpose of the invention is as follows:
an embedded large steel pipe pile anti-slip buffer device comprises a sealing disc, a sealing disc fixing mechanism and a self-adaptive closing valve;
the sealing disc is used for being installed inside the upper port of the steel pipe pile to form sealing on the upper port of the steel pipe pile;
the sealing disc fixing mechanism is arranged on the bottom surface of the sealing disc and comprises a hydraulic cylinder and a plurality of groups of force arm mechanisms driven by the hydraulic cylinder, and the hydraulic cylinder can synchronously drive the plurality of groups of force arm mechanisms to prop up, so that the force arm mechanisms compress the inner wall of the steel pipe pile, and the position of the sealing disc is fixed;
the sealing disc is provided with a permeable through hole communicated with the outside, and the self-adaptive closing valve is arranged in the permeable through hole and can adaptively control the conduction state of the permeable through hole according to the sinking state of the steel pipe pile; the self-adaptive closed valve comprises a valve wall, a conical valve core, a reset spring and a supporting plate, wherein the conical valve core, the reset spring and the supporting plate are arranged in the valve wall, the front end of the valve wall is an open conical wall, the rear end of the valve wall is a cylindrical wall, the supporting plate is fixedly connected to the cylindrical wall of the valve wall, the conical valve core is arranged on the supporting plate through the reset spring, and the reset spring is in a separation state with the opening of the conical valve core and the opening of the conical wall in a natural state.
In the technical scheme, the sealing disc is disc-shaped, and the circumference of the sealing disc is provided with the sealing ring made of rubber materials.
In the technical scheme, the hydraulic cylinder is fixedly arranged on the sealing disc, the driving rod of the hydraulic cylinder is downwards arranged, the bottom of the driving rod of the hydraulic cylinder is fixedly provided with the mounting disc, and the plurality of groups of force arm mechanisms are circumferentially and equidistantly arranged on the mounting disc.
In the above technical scheme, every group arm of force mechanism includes a connecting rod and a movable arm, and the top of connecting rod articulates on the sealing disk, and the bottom of connecting rod articulates in the middle part position of movable arm, and the inner of movable arm articulates on the mounting disc to be provided with the friction disc at the outer end of movable arm, when the actuating lever shrink of pneumatic cylinder, drive the movable arm and prop up, the friction disc of movable arm outer end compresses tightly the inner wall of sealing disk.
In the technical scheme, the sealing disc is also provided with a limiting frame, and the limiting frame is arranged at the periphery of the hydraulic cylinder and is fixed with the sealing disc; the center of the bottom of the limiting frame is provided with a guide hole, a guide sliding sleeve is arranged in the guide hole, and a driving rod of the hydraulic cylinder is installed in the guide sliding sleeve in a penetrating manner.
In the above technical scheme, the number of the permeable through holes is a plurality of, preferably 4-8, and the permeable through holes are uniformly distributed on the sealing disc in circumference.
In the technical scheme, when the steel pipe pile sinks at a normal speed, water in the steel pipe pile can be discharged through the self-adaptive closed valve and the water permeable through hole; when the steel pipe pile slides, the water pressure in the steel pipe pile suddenly increases, the water flow speed of the outer row is greatly increased, the conical valve core is pushed to overcome the resistance of the return spring to close the opening of the conical wall under the action of the continuous and rapid outer-row water flow, so that the water pressure in the steel pipe pile is increased, and the slide pile is prevented.
Compared with the prior art, the invention has the beneficial effects that:
the embedded large steel pipe pile anti-slip buffer device is simple in structure, does not need a complex detection and control system, and can adaptively control the conduction state of the permeable through hole according to the sinking state of the steel pipe pile by arranging the permeable through hole communicated with the outside on the sealing disc and arranging the adaptive closing valve in the permeable through hole; in the vibration sinking process of the steel pipe pile, when the steel pipe pile is sunk at a normal speed, water in the steel pipe pile can be discharged through the self-adaptive closed valve and the water permeable through hole; when the steel pipe pile slides, the water pressure in the steel pipe pile suddenly increases, the water flow speed of the outer row greatly increases, the conical valve core of the self-adaptive closed valve is pushed under the action of the continuous and rapid outer row water flow to overcome the resistance of the reset spring to close the opening of the conical wall, so that the water pressure in the steel pipe pile increases, and the slide pile is effectively prevented.
Drawings
Fig. 1 is a schematic structural view of an embedded large-scale steel pipe pile anti-slip buffer device in a retracted state.
Fig. 2 is a schematic structural view of the embedded large-scale steel pipe pile anti-slip buffer device in an open state.
FIG. 3 is a schematic diagram of the natural state of the self-adaptive closed valve according to the present invention.
Fig. 4 is a schematic diagram of the self-adaptive closing valve in the closed state after being pushed by water flow.
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.
Referring to fig. 1-3, an embedded large steel pipe pile anti-slip buffer device comprises a sealing disc 1, a sealing disc fixing mechanism 2 and an adaptive closing valve 3.
The sealing disk 1 is disc-shaped, the diameter of the sealing disk 1 is slightly smaller than the inner diameter of the steel pipe pile 4 to be constructed, and a sealing ring 1.1 made of rubber is arranged on the circumference of the sealing disk 1.
The sealing disc fixing mechanism 2 is mounted on the bottom surface of the sealing disc 1, and is used for fixing the position of the sealing disc 1, namely, fixing the sealing disc 1 inside the steel pipe pile 4. The sealing disc fixing mechanism 2 comprises a hydraulic cylinder 2.1 and 6 groups of force arm mechanisms driven by the hydraulic cylinder 2.1, wherein the hydraulic cylinder 2.1 is fixedly arranged on the sealing disc 1, a driving rod of the hydraulic cylinder 2.1 is downwards arranged, a mounting disc 2.2 is fixedly arranged at the bottom of the driving rod of the hydraulic cylinder 2.1, the 6 groups of force arm mechanisms are circumferentially and equidistantly arranged on the mounting disc 2.2, and the 6 groups of force arm mechanisms can be synchronously driven to be spread through the hydraulic cylinder 2.1, so that the 6 groups of force arm mechanisms press the inner wall of the steel pipe pile 4, and the position of the sealing disc 1 is fixed; specifically, each group of arm mechanism comprises a connecting rod 2.3 and a movable arm 2.4, the top end of the connecting rod 2.3 is hinged to the sealing disc 1, the bottom end of the connecting rod 2.3 is hinged to the middle position of the movable arm 2.4, the inner end of the movable arm 2.4 is hinged to the mounting disc 2.2, friction blocks 2.5 are arranged at the outer end of the movable arm 2.4, when the driving rod of the hydraulic cylinder 2.1 contracts, the movable arm 2.4 is driven to prop open, and the friction blocks 2.5 at the outer end of the movable arm 2.4 compress the inner wall of the sealing disc 1. Further, the sealing disc 1 is further provided with a limiting frame 2.6, the limiting frame 2.6 is arranged at the periphery of the hydraulic cylinder 2.1 and is fixed with the sealing disc, and the limiting frame 2.6 has two functions, namely: a guide hole is formed in the center of the bottom of the limiting frame 2.6, a guide sliding sleeve is arranged in the guide hole, and a driving rod of the hydraulic cylinder 2.1 is arranged in the guide sliding sleeve in a penetrating manner, so that the stable guide effect on the driving rod of the hydraulic cylinder 2.1 is achieved; secondly, the movement position of the mounting plate 2.2 is limited by the limiting frame 2.6, so that a sufficient supporting effect is provided for the mounting plate 2.2.
The sealing disk 1 is provided with a plurality of water permeable through holes 1.2 communicated with the outside, and the number of the water permeable through holes 1.2 is preferably 4-8 and is uniformly distributed on the sealing disk 1 in a circumference manner. Each permeable through hole 1.2 is respectively provided with an adaptive closing valve 3, and the adaptive closing valves 3 can adaptively control the conducting state of the permeable through holes 1.2 according to the sinking state of the steel pipe pile. Specifically, referring to fig. 3, the self-adaptive closed valve 3 includes a valve wall 3.1, a conical valve core 3.2 installed inside the valve wall 3.1, a return spring 3.3, and a supporting plate 3.4, wherein the front end of the valve wall 3.1 is an open conical wall 3.11, the rear end is a cylindrical wall 3.12, the supporting plate 3.4 is a rectangular plate and is fixedly connected to the cylindrical wall 3.12 of the valve wall 3.1, the conical valve core 3.2 is installed on the supporting plate 3.4 through the return spring 3.3, the return spring 3.3 is in a separated state between the conical valve core 3.2 and the opening of the conical wall 3.11 in a natural state, and in this state, water can pass through the self-adaptive closed valve 3 and the water permeable through hole 1.2. Further, the conical valve core 3.2 is arranged along the water permeable through hole 1.2 from inside to outside in the conical direction.
The working principle of the self-adaptive closed valve 3 is as follows: after the anti-slip pile device is installed, when the steel pipe pile 4 is submerged at a normal speed in the vibration and sinking process, water in the steel pipe pile 4 can be discharged at a low speed through the self-adaptive closed valve 3 and the water permeable through hole 1.2; when a pile sliding occurs in the steel pipe pile, the water pressure in the steel pipe pile is suddenly increased, the water flow speed of the outer row is greatly increased, the conical valve core 3.2 is pushed to overcome the resistance of the return spring 3.3 under the action of the continuous and rapid outer row water flow to close the opening (the state shown in the attached figure 4) of the conical wall 3.11, so that the self-adaptive closing valve 3 and the water permeable through hole 1.2 are effectively closed, the water pressure in the steel pipe pile 4 is increased, the resistance at the top end of the pile is increased, and the pile sliding is effectively prevented.
The using method of the large steel pipe pile anti-slip buffer device is as follows:
step 1: loading the large steel pipe pile anti-slip buffer device into an upper port of the steel pipe pile 4, controlling a driving rod of a hydraulic cylinder 2.1 of a sealing disc fixing mechanism 2 to shrink, expanding a force arm mechanism, and fixing the large steel pipe pile anti-slip buffer device and the inner wall of the steel pipe pile 4;
step 2: installing a damper device at the top of the steel pipe pile 4, and filling water into the steel pipe pile 4 through the water permeable through hole 1.2 and the self-adaptive closed valve 3;
step 3: starting a vibration hammer device to enable the steel pipe pile 4 to vibrate and sink, and discharging water in the steel pipe pile at a low speed through the self-adaptive closed valve 3 and the water permeable through hole 1.2 when the steel pipe pile 4 is sunk at a normal speed in the vibration and sinking process of the steel pipe pile; when the steel pipe pile slides, the water pressure in the steel pipe pile suddenly increases, the water flow speed of the outer row greatly increases, the conical valve core 3.2 is pushed to overcome the resistance of the return spring 3.3 to close the opening of the conical wall 3.11 under the action of the continuous and rapid outer-row water flow, so that the self-adaptive closing valve 3 and the water permeable through hole 1.2 are effectively closed, the water pressure in the steel pipe pile increases, the resistance at the top end of the pile increases, and the slide pile is effectively prevented;
step 4: after the steel pipe pile 4 is vibrated and sunk to a specified depth position, a driving rod of a hydraulic cylinder 2.1 of the sealing disc fixing mechanism 2 is controlled to extend, so that the arm mechanism is retracted; and then lifting the large steel pipe pile anti-slip buffer device and the damper device through the pull rope, so as to realize recycling.
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. An embedded large-scale steel pipe pile anti-slip buffer device which is characterized in that: the self-adaptive valve comprises a sealing disc, a sealing disc fixing mechanism and a self-adaptive closing valve;
the sealing disc is used for being installed inside the upper port of the steel pipe pile to form sealing on the upper port of the steel pipe pile;
the sealing disc fixing mechanism is arranged on the bottom surface of the sealing disc and comprises a hydraulic cylinder and a plurality of groups of force arm mechanisms driven by the hydraulic cylinder, and the hydraulic cylinder can synchronously drive the plurality of groups of force arm mechanisms to prop up, so that the force arm mechanisms compress the inner wall of the steel pipe pile, and the position of the sealing disc is fixed;
the sealing disc is provided with a permeable through hole communicated with the outside, and the self-adaptive closing valve is arranged in the permeable through hole and can adaptively control the conduction state of the permeable through hole according to the sinking state of the steel pipe pile; the self-adaptive closed valve comprises a valve wall, a conical valve core, a reset spring and a supporting plate, wherein the conical valve core, the reset spring and the supporting plate are arranged in the valve wall, the front end of the valve wall is an open conical wall, the rear end of the valve wall is a cylindrical wall, the supporting plate is fixedly connected to the cylindrical wall of the valve wall, the conical valve core is arranged on the supporting plate through the reset spring, and the reset spring is in a separation state with the opening of the conical valve core and the opening of the conical wall in a natural state.
2. The embedded large-scale steel pipe pile anti-slip buffer device according to claim 1, wherein: the sealing disk is disc-shaped, and a sealing ring made of rubber is arranged on the circumference of the sealing disk.
3. The embedded large-scale steel pipe pile anti-slip buffer device according to claim 1, wherein: the hydraulic cylinder is fixedly arranged on the sealing disc, the driving rod of the hydraulic cylinder is downwards arranged, the bottom of the driving rod of the hydraulic cylinder is fixedly provided with a mounting disc, and the plurality of groups of force arm mechanisms are circumferentially and equidistantly arranged on the mounting disc.
4. The embedded large-scale steel pipe pile anti-slip buffer device according to claim 3, wherein: each group of arm mechanism comprises a connecting rod and a movable arm, the top end of the connecting rod is hinged to the sealing disc, the bottom end of the connecting rod is hinged to the middle position of the movable arm, the inner end of the movable arm is hinged to the mounting disc, a friction block is arranged at the outer end of the movable arm, when the driving rod of the hydraulic cylinder contracts, the movable arm is driven to open, and the friction block at the outer end of the movable arm compresses the inner wall of the sealing disc.
5. The embedded large-scale steel pipe pile anti-slip buffer device according to claim 4, wherein: the sealing disc is also provided with a limiting frame which is arranged at the periphery of the hydraulic cylinder and is fixed with the sealing disc; the center of the bottom of the limiting frame is provided with a guide hole, a guide sliding sleeve is arranged in the guide hole, and a driving rod of the hydraulic cylinder is installed in the guide sliding sleeve in a penetrating manner.
6. The embedded large-scale steel pipe pile anti-slip buffer device according to claim 1, wherein: the quantity of the permeable through holes is a plurality of, and the permeable through holes are uniformly distributed on the sealing disc in circumference.
7. The embedded large-scale steel pipe pile anti-slip buffer device according to claim 1, wherein: when the steel pipe pile sinks at normal speed, water in the steel pipe pile can be discharged through the self-adaptive closed valve and the water permeable through hole; when the steel pipe pile slides, the conical valve core is pushed to overcome the resistance of the return spring to close the opening of the conical wall under the action of continuous and rapid water flow, so that the water pressure in the steel pipe pile is increased, and the slide is prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310821682.1A CN116537191B (en) | 2023-07-06 | 2023-07-06 | Embedded large-scale steel pipe pile anti-slip buffer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310821682.1A CN116537191B (en) | 2023-07-06 | 2023-07-06 | Embedded large-scale steel pipe pile anti-slip buffer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116537191A true CN116537191A (en) | 2023-08-04 |
| CN116537191B CN116537191B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310821682.1A Active CN116537191B (en) | 2023-07-06 | 2023-07-06 | Embedded large-scale steel pipe pile anti-slip buffer device |
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| Country | Link |
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| CN (1) | CN116537191B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117332638A (en) * | 2023-09-22 | 2024-01-02 | 中国能源建设集团广东省电力设计研究院有限公司 | Anti-slip steel pipe pile suitable for large megawatt offshore wind turbine and optimization method thereof |
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| JP2018076661A (en) * | 2016-11-07 | 2018-05-17 | 新日鐵住金株式会社 | Device, structure and method to prevent self-sinking of steel pipe pile |
| CN215338261U (en) * | 2021-06-30 | 2021-12-28 | 安徽理工大学 | Pile hole aperture and depth detection device |
| CN113863307A (en) * | 2021-09-15 | 2021-12-31 | 天津大学 | Position-adjustable pile slipping control device used in installation of ocean large-diameter tubular pile |
| CN218405386U (en) * | 2022-10-27 | 2023-01-31 | 张玮 | Combined pile |
| CN115723299A (en) * | 2023-01-09 | 2023-03-03 | 江苏运科橡胶科技有限公司 | Automobile sealing strip injection mold with limiting and movement preventing functions |
-
2023
- 2023-07-06 CN CN202310821682.1A patent/CN116537191B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018076661A (en) * | 2016-11-07 | 2018-05-17 | 新日鐵住金株式会社 | Device, structure and method to prevent self-sinking of steel pipe pile |
| CN215338261U (en) * | 2021-06-30 | 2021-12-28 | 安徽理工大学 | Pile hole aperture and depth detection device |
| CN113863307A (en) * | 2021-09-15 | 2021-12-31 | 天津大学 | Position-adjustable pile slipping control device used in installation of ocean large-diameter tubular pile |
| CN218405386U (en) * | 2022-10-27 | 2023-01-31 | 张玮 | Combined pile |
| CN115723299A (en) * | 2023-01-09 | 2023-03-03 | 江苏运科橡胶科技有限公司 | Automobile sealing strip injection mold with limiting and movement preventing functions |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117332638A (en) * | 2023-09-22 | 2024-01-02 | 中国能源建设集团广东省电力设计研究院有限公司 | Anti-slip steel pipe pile suitable for large megawatt offshore wind turbine and optimization method thereof |
| CN117332638B (en) * | 2023-09-22 | 2024-04-09 | 中国能源建设集团广东省电力设计研究院有限公司 | Anti-slip steel pipe pile suitable for large megawatt offshore wind turbine and optimization method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116537191B (en) | 2024-01-23 |
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