CN103454111B - Deepwater hydraulic pile hammer test unit - Google Patents
Deepwater hydraulic pile hammer test unit Download PDFInfo
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- CN103454111B CN103454111B CN201310409011.0A CN201310409011A CN103454111B CN 103454111 B CN103454111 B CN 103454111B CN 201310409011 A CN201310409011 A CN 201310409011A CN 103454111 B CN103454111 B CN 103454111B
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- pressure vessel
- pile hammer
- hydraulic pile
- hydraulic
- deepwater
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 210000004907 gland Anatomy 0.000 claims description 13
- 210000003954 umbilical cord Anatomy 0.000 claims description 13
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a kind of deepwater hydraulic pile hammer test unit, originally comprise high-pressure water gas system, free guidance system, hinged hydraulic telescopic frame and pressure vessel composition; This pressure vessel is used for accommodating hydraulic pile hammer; This high-pressure water gas system is used for toward water filling in pressure vessel and pressurizes to simulate deepwater environment; This free guidance system is positioned at pressure vessel, drives piles on the track of setting for guiding hydraulic pile hammer; This hinged hydraulic telescopic frame is positioned at outside pressure vessel, for controlling the angle of this pressure vessel and surface level.Deepwater hydraulic pile hammer test unit of the present invention is reasonable in design, the work of hydraulic pile hammer under deepwater environment can be simulated, flexible operation, the multi-functional deep water test of many plektrons can be met, the expense of multiple deep water equipment and offshore operations personnel can be removed from, in the deep water test that the extra large frocks such as deepwater hydraulic pile hammer are standby, there is very high using value.
Description
Technical field
The present invention relates to deep water piling equipment, and in particular to a kind of deepwater hydraulic pile hammer test unit
Background technology
Deepwater hydraulic pile hammer be a kind ofly have that efficiency is high, noise is low, it is little to pollute, structure is simple, the novel piling equipment that can resist the features such as severe maritime environment, be mainly used in harbour, bridge spanning the sea, offshore production platform, jacket installation, deep water structure object, and the industry of the new forms of energy such as offshore wind farm.
The preparation that usual deepwater hydraulic pile hammer deep-sea test should do has: operation ship prepares, go to sea before preparation, sea-bed topography investigate in advance.The preliminary work of operation ship comprises the in place and windlass tensile test of casting anchor, loop wheel machine checks comprehensively and hawser preparation etc.; Preparation before going to sea comprises test vessel should possess operating condition, possesses the certificate of seaworthiness and notice to navigator, and prepare a large amount of deep-sea test materials (piling bar, pile foundation seat, underwater robot, cable oil pipe umbilical cord etc.), it is first-class that Current Collector Sleave is positioned over pile hammer; Bathymetric survey before sea-bed topography investigates general point of construction in advance, side-looking sonar are measured, investigation seabed situation and crane barge cast anchor in place after, under frogman, water feels landforms situation, confirm that whether sea bed is smooth, with or without ship unit footprint, there is clear, whether there is extra large pipe pipeline, two stages such as subsea wellheads basal disc situation.It can thus be appreciated that deepwater hydraulic pile hammer each time deep-sea test needs a large amount of human and material resources and fund, and each plektron is done underwater test and is needed to repeat above-mentioned work.
Summary of the invention
The invention provides a kind of new deepwater hydraulic pile hammer test unit.
Deepwater hydraulic pile hammer test unit provided by the invention, comprises high-pressure water gas system, free guidance system, hinged hydraulic telescopic frame and pressure vessel composition;
This pressure vessel is used for accommodating hydraulic pile hammer;
This high-pressure water gas system is used for toward water filling in pressure vessel and pressurizes to simulate deepwater environment;
This free guidance system is positioned at pressure vessel, drives piles on the track of setting for guiding hydraulic pile hammer;
This hinged hydraulic telescopic frame is positioned at outside pressure vessel, for controlling the angle of this pressure vessel and surface level.
Deepwater hydraulic pile hammer test unit of the present invention is reasonable in design, and can simulate the work of hydraulic pile hammer under deepwater environment, flexible operation, can meet the multi-functional deep water test of many plektrons.A large amount of expenses of lifting appliance, under water umbilical system needed for the real deep water test of deepwater hydraulic pile hammer, pile foundation seat apparatus expense and offshore operations personnel can be removed from, in the deep water test that the extra large frocks such as deepwater hydraulic pile hammer are standby, there is very high using value.
Accompanying drawing explanation
Fig. 1 is the longitudinal section that plumb pile beaten by deepwater hydraulic pile hammer test unit of the present invention;
Fig. 2 is the partial enlarged drawing at the seal guide sleeve place of deepwater hydraulic pile hammer test unit of the present invention;
Fig. 3 is the longitudinal section of deepwater hydraulic pile hammer test unit batter piling of the present invention.
Wherein, description of reference numerals is as follows:
1: hydraulic pile hammer;
2: above hammer core into shape;
3: displacement transducer;
4: for block hitting;
5: high precision stake connector;
6: piling bar;
7: lower shell;
8: resistance to gland;
9: guide plate;
10: high-strength bolt;
11: nut:
12: O-ring seal;
13: high-pressure aerated valve;
14: umbilical cord;
15: watertight connector;
16: penetrate hole;
17: slide rail;
18: pile protection cylinder;
19: gear lip;
20: seal guide sleeve;
21: back up pad;
22: O-ring seal;
23: guidance tape;
24: pressure transducer;
25: twisted axis earrings;
26: hanger;
27: hinged hydraulic telescopic frame;
28: hydraulic cylinder;
29: pile hammer housing.
Embodiment
The invention provides deepwater hydraulic pile hammer test unit, shown in Figure 1 is the structural representation of this device.
This device is primarily of high-pressure water gas system, free guidance system, hinged hydraulic telescopic frame 27 and pressure vessel composition, and this device can realize simulation hydraulic pile hammer and beat plumb pile under deepwater environment, and the work of arbitrarily angled taper pile.
Wherein, pressure vessel comprises the resistance to gland 8 at lower shell 7 and top, and it carries out the hydraulic pile hammer 1 tested for accommodating needs, and by high-pressure water gas system simulation deepwater environment; Free guidance system is also positioned at pressure vessel, drives piles on the track of setting for guiding hydraulic pile hammer; As shown in Figure 2, hinged hydraulic telescopic frame 27 is positioned at outside pressure vessel, for controlling the angle of this pressure vessel and surface level, plays the effect supporting this device when batter piling.
Hydraulic pile hammer 1 is the pile hammer needing to carry out testing, comprise: above hammer core 2 into shape, for block hitting 4, for high precision stake connector 5, hydraulic cylinder 28 and the pile hammer housing 29 under block hitting 4, upper hammer core 2 is hinged with the piston rod of hydraulic cylinder 28, be arranged in pile hammer housing 29, the upper end of high precision stake connector 5 is tightly withstood for block hitting 4, the outside of pressure vessel is led to through seal guide sleeve 20 in lower end, is connected with the pile protection cylinder 18 of piling bar 6.Hydraulic pile hammer 1 also has connection umbilical cord 14, umbilical cord 14 is flexible pipe, umbilical cord 14 is built with oil inlet pipe, flowline and control cables (not shown), umbilical cord 14 is circumscribed with electric control gear and hydraulic power unit (not shown), electric control gear and hydraulic power unit are power source and the opertaing device of hydraulic pile hammer 1, hydraulic power unit is by the oil inlet pipe in umbilical cord 14, the turnover oil of flowline hydraulic control cylinder 28, to make piston movement, upper hammer core 2 is driven to move by piston rod, upper hammer core 2 clashes into for block hitting 4, by high precision stake connector 5 by energy transferring to the piling bar 6 outside container, drive piles thus.Control cables and pressure transducer 24 are electrically connected.Umbilical cord 14 and pile hammer housing 29 are tightly connected.In groove for the periphery of block hitting 4, there is O-ring seal, carry out slipper seal with pile hammer housing 29 and be connected.
High-pressure water gas system comprises high pressure fill valve 13, and external air compressor machine (not shown), and air compressor machine is compressed air unit, can change at any time.
Shown in Figure 1, in this device, pressure vessel comprises the resistance to gland 8 at lower shell 7 and top, and be provided with a high-performance sealed circle 12 between lower shell 7 and resistance to gland 8, the two is connected with nut 11 with high-strength bolt 10.
Resistance to gland 8 has and penetrates hole 16, watertight connector 15 is welded on and penetrates in hole 16, and umbilical cord 14 and watertight connector 15 link together in the mode of bonding, to guarantee the good sealing property between itself and resistance to gland 8, thus ensures the pressure not loss in pressure vessel.
In addition, this resistance to gland 8 is also provided with the high pressure fill valve 13 of high-pressure water gas system, to make high-pressure water gas system toward water filling in pressure vessel and to pressurize to simulate deepwater environment.The both sides of resistance to gland 8 are also provided with 2 hangers and are convenient to carry pressure vessel; The side of lower shell 7 is also provided with 2 hinge earrings (25), for connecting hinge shaft type hydraulic telescopic frame.
The inside of pressure vessel is provided with free guidance system, and free guidance system comprises guide plate 9 and slide rail 17.The vertical inside being arranged on pressure vessel of slide rail 17, guide plate 9 is fixedly connected with hydraulic pile hammer 1, be fixedly connected with as the mode of welding can be adopted, guide plate 9 can be free to slide on slide rail 17, the bottom of this slide rail 17 is provided with gear lip 19 and carries out spacing, this gear lip 19 place is also provided with displacement transducer 3 to detect the position of guide plate 9, and hydraulic pile hammer 1 is driven piles by this free guidance system.The upper end support hydraulic pressure pile hammer 1 of high precision stake connector 5 for block hitting 4, lower end is connected through the pile protection cylinder 18 of outside and piling bar that the seal guide sleeve 20 of pressure vessel leads to pressure vessel.By the design of high precision stake connector, free guidance system and seal guide sleeve 20, the feasibility of piling work under deepwater high-pressure force environment can be guaranteed.In addition, for guaranteeing high precision stake connector 5 and the dynamic airtightness of pressure vessel, finishing can also be carried out at the outside surface at high precision stake connector 5, making its surfaceness below 0.4, to improve dynamic airtightness good bottom it.
See the partial enlarged drawing that Fig. 2 is seal guide sleeve 20 place, in seal guide sleeve 20, establish one or multi-channel (this case can preferably 3 roads) O-ring seal 22 and one or multi-channel (this case can preferably 3 roads) guidance tape 23.To realize sealing the junction of high precision stake connector 5 and pressure vessel and leading.The back up pad 21 that multiple (this case can preferably 8) be radial is laid between the inner and seal guide sleeve 20 of pressure vessel, as shown in the figure, this back up pad can support seal guide sleeve 20 and high precision stake connector 5, and hydraulic pile hammer can freely be beaten with stake is lower.
Principle of work of the present invention and work progress are described below:
Keep flat pressure vessel, take off resistance to gland 8, the guide plate 9 designed in advance is individually fixed in pile hammer 1, then place it on the slide rail 17 in pressure vessel.The major part of high precision stake connector 5 puts in pressure vessel through seal guide sleeve 20, and make its tightly withstand pile hammer 1 for block hitting 4, guarantee that pile hammer 1 and guide plate 9 are in the topmost of slide rail.When driving piles, upper hammer core 2 clashes into for block hitting 4, by high precision stake connector 5 by energy transferring to the piling bar 6 outside container to drive piles.
In pressure vessel, injecting a certain amount of water, (injecting water is because deep-sea has huge pressure, so simulate deepwater environment with top high-voltage air setting-out), then with nut 11, resistance to gland 8 is connected with lower shell 7 with high-strength bolt 10, forms confined space.Utilize hoisting device to catch on hanger 26 on resistance to gland 8, pressure vessel is vertically sling, makes pile protection cylinder 18 be buckled in the top of default piling bar 6.In pressure vessel, pressure-air is injected, to utilize pressure-air water filling to simulate deepwater environment by high pressure fill valve 13.
The pressure data of pressure vessel monitored by pressure transducer 24, reaches numerical value needed for test to make the pressure in pressure vessel.Starting the electric-control system of hydraulic power unit and hydraulic pile hammer 1, make that hydraulic pile hammer 1 is in running order can carry out deep water piling simulation test, when driving piles, being determined the position of guide plate 9 by displacement transducer 3, to stop hammer in good time.
When beating plumb pile, as shown in Figure 1, this device is vertically placed, when batter piling, as shown in Figure 3, start the hinged hydraulic telescopic frame 27 of the arranged outside of pressure vessel, by hinged hydraulic telescopic frame 27, pressure vessel is risen certain angle, the i.e. angle of adjustable hydraulic pile hammer 1 and surface level, to simulate the test that hydraulic pile under deepwater environment beats taper pile at any angle.
Advantage of the present invention and beneficial effect are:
The deepwater hydraulic pile hammer test unit of this case has reasonable in design, easily manufactured, high with actual environment similarity, flexible operation, the feature that financial cost is cheap, and the multi-functional deep water test that can meet many plektrons.Therefore, help lend some impetus to marine engineering equipment independent research, for breaking foreign technology monopolization, break away from dependence to import, promoting China's sea frock, standby to move towards high-end market significant.
Removed from the deepwater hydraulic pile hammer of device of the present invention is carried out lifting appliance, under water umbilical system needed for deep water test, pile foundation seat apparatus expense and is rented a large amount of expenses of derrick barge, underwater robot, offshore operations personnel; It can have the compatibility of deepwater hydraulic pile hammer test, and the radial support plate only need changing hydraulic pile hammer can support the simulation test of many plektrons; This test unit flexible operation, reliability are high, reasonable in design, easily manufactured.In the deep water test that the extra large frocks such as deepwater hydraulic pile hammer are standby, there is very high using value.
The change that those skilled in the art do when should recognize the scope and spirit of the present invention disclosed in the claim do not departed from appended by the present invention and retouching, within the protection domain all belonging to claim of the present invention.
Claims (10)
1. a deepwater hydraulic pile hammer test unit, comprises high-pressure water gas system, free guidance system, hinged hydraulic telescopic frame and pressure vessel composition;
This pressure vessel is used for accommodating hydraulic pile hammer;
This high-pressure water gas system is used for toward water filling in pressure vessel and pressurizes to simulate deepwater environment;
This free guidance system is positioned at pressure vessel, drives piles on the track of setting for guiding hydraulic pile hammer;
This hinged hydraulic telescopic frame is positioned at outside pressure vessel, for controlling the angle of this pressure vessel and surface level.
2. device according to claim 1, is characterized in that, this pressure vessel comprises the resistance to gland at lower shell and top, is provided with an O-ring seal and seals between lower shell and resistance to gland.
3. device according to claim 1, is characterized in that, this free guidance system comprises the slide rail being arranged on pressure vessel inside and the guide plate that can slide on slide rail; This guide plate is fixedly connected with hydraulic pile hammer, and the bottom of this slide rail is provided with gear lip and carries out spacing.
4. device according to claim 3, is characterized in that, this gear lip place is also provided with displacement transducer to detect the position of this guide plate.
5. device according to claim 1, it is characterized in that, this hydraulic pile hammer comprises hammer core, for block hitting and stake connector, the upper end of this connector supports for block hitting, the outside of pressure vessel is led to, with the stake sleeve connection of piling bar through a seal guide sleeve in lower end.
6. device according to claim 5, establishes one or multi-channel O-ring seal and guidance tape in sealing orienting sleeve, to seal the junction of stake connector and pressure vessel and to lead.
7. the device according to claim 5 or 6, this pressure vessel inside and the back up pad being connected multiple radial direction between seal guide sleeve.
8. device according to claim 5, is characterized in that, also comprises a umbilical cord, and this umbilical cord is built with oil inlet pipe, flowline and control cables;
This is withstand voltage covers to be provided with and penetrates hole, and this umbilical cord one end is penetrated hole to be tightly connected the pile hammer housing of hydraulic pile hammer by this, should be connected for block hitting with this pile hammer housing slipper seal.
9. device according to claim 8, is characterized in that, a watertight connector and this penetrate hole and be tightly connected, this umbilical cord and this watertight connector are tightly connected.
10. device according to claim 1, is characterized in that, the side of this pressure vessel outside is provided with two hinge earrings to connect this hinged hydraulic telescopic frame.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310409011.0A CN103454111B (en) | 2013-09-10 | 2013-09-10 | Deepwater hydraulic pile hammer test unit |
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CN201310409011.0A CN103454111B (en) | 2013-09-10 | 2013-09-10 | Deepwater hydraulic pile hammer test unit |
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CN103454111A CN103454111A (en) | 2013-12-18 |
CN103454111B true CN103454111B (en) | 2015-09-02 |
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CN201310409011.0A Expired - Fee Related CN103454111B (en) | 2013-09-10 | 2013-09-10 | Deepwater hydraulic pile hammer test unit |
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CN113670641B (en) * | 2021-08-14 | 2024-01-30 | 海洋石油工程股份有限公司 | Underwater test platform for hydraulic pile hammer |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4045969A (en) * | 1975-10-13 | 1977-09-06 | Hollandsche Beton Groep N. V. | Submergible pile driving method and apparatus for continuous operation |
DE4028617C2 (en) * | 1990-09-08 | 1994-07-14 | Delmag Maschinenfabrik | Hydraulic bear |
CN1719216A (en) * | 2004-07-06 | 2006-01-11 | 中国科学院沈阳自动化研究所 | Myriameter hydrostatic test device |
CN101148878A (en) * | 2007-11-06 | 2008-03-26 | 周荣珍 | Piling hydraulic hammer |
CN202124858U (en) * | 2011-05-06 | 2012-01-25 | 倪永祥 | Hydraulic pile hammer |
CN202881948U (en) * | 2012-11-13 | 2013-04-17 | 陈琦 | Pressurized underwater hydraulic pile hammer |
-
2013
- 2013-09-10 CN CN201310409011.0A patent/CN103454111B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4045969A (en) * | 1975-10-13 | 1977-09-06 | Hollandsche Beton Groep N. V. | Submergible pile driving method and apparatus for continuous operation |
DE4028617C2 (en) * | 1990-09-08 | 1994-07-14 | Delmag Maschinenfabrik | Hydraulic bear |
CN1719216A (en) * | 2004-07-06 | 2006-01-11 | 中国科学院沈阳自动化研究所 | Myriameter hydrostatic test device |
CN101148878A (en) * | 2007-11-06 | 2008-03-26 | 周荣珍 | Piling hydraulic hammer |
CN202124858U (en) * | 2011-05-06 | 2012-01-25 | 倪永祥 | Hydraulic pile hammer |
CN202881948U (en) * | 2012-11-13 | 2013-04-17 | 陈琦 | Pressurized underwater hydraulic pile hammer |
Non-Patent Citations (1)
Title |
---|
新型液压打桩锤实验研究;王胜等;《机床与液压》;20060415(第4期);第123-124、141页 * |
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Granted publication date: 20150902 |