CN104727287A - Hydraulic lifting device capable of automatically dropping and automatic pile dropping method thereof - Google Patents

Hydraulic lifting device capable of automatically dropping and automatic pile dropping method thereof Download PDF

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Publication number
CN104727287A
CN104727287A CN201510099402.6A CN201510099402A CN104727287A CN 104727287 A CN104727287 A CN 104727287A CN 201510099402 A CN201510099402 A CN 201510099402A CN 104727287 A CN104727287 A CN 104727287A
Authority
CN
China
Prior art keywords
ring beam
guide pile
lower ring
upper ring
clamper
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.)
Pending
Application number
CN201510099402.6A
Other languages
Chinese (zh)
Inventor
李光远
吴平平
陆军
张静波
马振军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Jing Yin Ocean Engineering Co Ltd
Original Assignee
Guangdong Jing Yin Ocean Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Jing Yin Ocean Engineering Co Ltd filed Critical Guangdong Jing Yin Ocean Engineering Co Ltd
Priority to CN201510099402.6A priority Critical patent/CN104727287A/en
Publication of CN104727287A publication Critical patent/CN104727287A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/04Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
    • E02B17/06Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for immobilising, e.g. using wedges or clamping rings
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B17/00Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/04Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
    • E02B17/08Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
    • E02B17/0809Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering the equipment being hydraulically actuated

Abstract

The invention discloses a hydraulic lifting device capable of automatically dropping and an automatic pile dropping method thereof. The hydraulic lifting device capable of automatically dropping comprises a gauge pile, an upper ring beam, a lower ring beam and lifting oil cylinders; the upper ring beam or the lower ring beam is fixedly connected with a hull, the lifting oil cylinders are longitudinally connected with the upper ring beam and the lower ring beam, and the relative lifting and dropping between the upper ring beam and the lower ring beam are achieved through being driven by the lifting oil cylinders; the gauge pile vertically penetrates through the upper ring beam and the lower ring beam and is connected with the upper ring beam and the lower ring beam in a sliding mode, the gauge pile fixes the relative position with the upper ring beam and the lower ring beam through a pin mechanism, and the hydraulic lifting device capable of automatically dropping further comprises a clamp holder used for clamping and fixing the gauge pile.

Description

A kind of hydraulic lift that can certainly fall and certainly fall piling method
Technical field
The present invention relates to field of ocean engineering, particularly relate to a kind of hydraulic lift that can certainly fall and certainly fall piling method.
Background technology
Existing hydraulic pressure ring beam lifting gear, upper and lower two ring beams are utilized to work in coordination and its spud leg can be elevated step by step, power is provided by a set of independently fluid power system, guarantee that spud leg can overcome the gravity of resistance that earth, sandstone etc. bring and lift platform self, spud leg is inserted (pulling away) sea bed and is elevated whole boats and ships.Spud leg can be analyzed to two steps from the process fallen to inserting sea bed, is first to decline spud leg until its tactile end contacts with sea bed, and this process is called lower stake; Then be insert in sea bed by spud leg, this process becomes pitching pile.In general, the resistance that spud leg is subject to when lower stake is mainly the resistance of water, and its resistance comparatively I is overcome by spud leg self, hydraulic system need not provide the power overcoming resistance.But existing hydraulic pressure ring beam lifting gear is lower stake or pitching pile all adopts the mode declined step by step, not only descends stake speed slow but also need extra consumed energy.But due to existing hydraulic pressure ring beam lifting gear be generally by latch, ring beam and spud leg are fixed, if simple, latch is pulled away and spud leg is declined naturally, easily can damage latch.
Summary of the invention
The object of the invention is to for above problem, provide a kind of can carrying out descend the hydraulic lift that can certainly fall of stake fast and certainly fall piling method.
One can self-declining type hydraulic lift, comprise guide pile, upper ring beam, lower ring and hoist cylinder, described upper ring beam or lower ring are fixedly connected with hull, described hoist cylinder longitudinally connects upper ring beam and lower ring, and drives the upper OQ t between ring beam and lower ring of realization by hoist cylinder; Described guide pile vertically runs through ring beam and lower ring and is slidably connected with both this, and this guide pile fixes the relative position of itself and upper ring beam and lower ring by bolt mechanism; Also include the clamper for gripping guide pile.
Further, described bolt mechanism includes and to be opened on guide pile and along some pin-and-holes of guide pile genesis analysis and the latch coordinated with described pin-and-hole that is arranged in upper ring beam and lower ring.
Further, described clamper comprise two mutually hinged and the jaw of clamping position stake can be coordinated.
A kind of can self-declining type hydraulic lift certainly fall piling method, first it is made to bear the load of guide pile with clamp holder clamping guide pile, then unclamping bolt mechanism makes it unload load to guide pile, finally unclamps clamper and makes it unload naturally to decline by guide pile to the load of guide pile.
The invention has the beneficial effects as follows: the clamper in the present invention can clamping and positioning stake, rely on chucking power during clamping and positioning stake fixed the position of guide pile and bear the load of guide pile.The present invention, when lower stake, utilizes the deadweight of guide pile to make it naturally decline, and compared to the lower stake mode using hoist cylinder to decline, the method certainly falling stake has descends stake speed faster.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of clamper.
Wherein, 1 is guide pile, and 2 is upper ring beam, and 3 is lower ring, and 4 is hoist cylinder, 5 clampers, 51 jaws, 61 latches, 62 pin-and-holes.
Detailed description of the invention
Now with specific embodiment, the present invention's technical scheme required for protection is described in further detail by reference to the accompanying drawings.
As shown in Figure 1, in the present embodiment, lifting gear comprises guide pile 1, upper ring beam 2, lower ring 3, hoist cylinder 4 and clamper 5 and forms.Guide pile 1 longitudinally runs through ring beam 2 and lower ring 3 and makes guide pile 1 and form between upper ring beam 2 and lower ring 3 to be slidably connected.Hoist cylinder 4 is longitudinally connected between ring beam 2 and lower ring 3, upper ring beam 2 and lower ring 3 is made to do the relative movement between two ring beams along guide pile 1 by the driving of hoist cylinder 4, wherein lower ring 3 is fixedly connected with hull, and upper ring beam 2 does elevating movement by hoist cylinder 4.In the present embodiment, guide pile 1 offers some pin-and-holes 62, this some pin-and-hole 62 is in genesis analysis and the vertical separation of each pin-and-hole 62 is identical, the station that each pin-and-hole 62 is corresponding different respectively.Latch 61 is provided with in upper ring beam 2 and lower ring 3, latch 61 can insert or pull away pin-and-hole 62 by hydraulic oil cylinder driving, in the present embodiment by the pin-and-hole 62 on guide pile 1 and be arranged at upper ring beam 2 and the latch 61 one-tenth bolt mechanism on lower ring 3, latch 61 inserts by hydraulic oil cylinder driving or pulls away pin-and-hole 62.Bolt mechanism can the relative position of stationary positioned stake 1 and two ring beams, and insert the pin-and-hole 62 on guide pile 1 when the latch 61 on ring beam after, ring beam will be fixed on the corresponding position of guide pile 1.Bolt mechanism can be other form in other embodiments, and such as latch 61 can be arranged in guide pile 1, and pin-and-hole 62 side is arranged in ring beam 2 and lower ring 3.
As shown in Figure 2, in the present embodiment, clamper 5 is arranged on to be fixedly connected with upper ring beam 2 on the upside of ring beam 2 and connects, and namely clamper 5 is fixed with the relative position of upper ring beam 2.The installation site of clamper 5 can be other form in other embodiments, such as can be arranged in lower ring 3, clamper 5 comprises the mutually hinged jaw 51 of two circular arcs, and these two jaws 51 can be worked in coordination clamping position stake 1, are realized the folding of two jaws 51 by hydraulic oil cylinder driving.Clamper 5 can clamping and positioning stake 1 make clamper 5 fix with the relative position of guide pile 1, because clamper 5 is fixed with the relative position of upper ring beam 2 in the present embodiment, when ring beam 2 upper after clamper 5 clamping and positioning stake 1 is also fixed with the relative position of guide pile 1.
In the present embodiment, the lower piling method of lifting gear has two kinds, be respectively utilize piling method under the routine of hoist cylinder 4 times stakes and utilize spud leg to conduct oneself with dignity lower stake certainly fall piling method, wherein conventional lower stake method is also the lower piling method that existing lifting gear adopts, and certainly falling a method is the lower piling method being applicable to the present embodiment lifting gear.Its conventional method comprises the following steps: when the latch 61 of upper ring beam 2 and lower ring 3 all inserts pin-and-hole 62, first the latch 61 of lower ring 3 is pulled away pin-and-hole 62, then drive hoist cylinder 4 retraction make guide pile 1 relatively lower ring 3 to decline a station, because the relative position of lower ring 3 with hull is fixed, therefore guide pile 1 also relatively hull to decline a station, then the latch 61 of lower ring 3 is inserted in corresponding pin-and-hole 62 position of locking lower ring 3 and guide pile 1, subsequently the latch 61 of upper ring beam 2 is pulled away pin-and-hole 62, finally being extended by hoist cylinder 4 makes upper ring beam 2 relative positioning load onto a liter station and insert in corresponding pin-and-hole 62 by the latch 61 of upper ring beam 2, complete thus guide pile 1 decline a station operation circulation, can be declined guide pile 1 several stations according to actual needs.
Comprise the following steps from falling a method: first make it bear the load of guide pile 1 with clamper 5 clamping and positioning stake 1, then unclamping bolt mechanism makes it unload load to guide pile 1, finally unclamps clamper 5 and makes it unload naturally to decline by guide pile 1 to the load of guide pile 1.
From above visible routine, stake method utilizes hoist cylinder 4 to be declined step by step by guide pile 1, and its decrease speed is slower; From fall a method be rely on deadweight decline, its decrease speed is very fast.For dredge boat, the dredge boat maximum dredging depth using guide pile 1 to locate at present is about 25m, and standard is dug dark in about 15m, and the lower stake degree of depth presses the 12m depth of water; Existing ring beam lifting gear can only adopt conventional lower piling method, and its lower stake speed is generally 1m/min, descends the stake time to be 12min like this; Lifting gear of the present invention can adopt from falling a method, and guide pile 1 declines with the speed of freely falling body under gravity, and when not considering the resistance of water, the lower stake time will be t=(2h/g) 1/2=(2 × 12m/9.81m/s 2) 1/2=1.56s; Consider the resistance of water, lower stake time t by 3 seconds, to the lower stake time 12min compared with existing ring beam lifting gear, for its 1/240th.
The embodiment of the above is only the preferred embodiment of the present invention, not limits practical range of the present invention with this, therefore the change that all shapes according to the present invention, principle are done, all should be encompassed in protection scope of the present invention.

Claims (4)

1. the hydraulic lift that can certainly fall, comprises guide pile (1), upper ring beam (2), lower ring (3) and hoist cylinder (4), it is characterized in that; Described upper ring beam (2) or lower ring (3) are fixedly connected with hull, described hoist cylinder (4) longitudinally connects upper ring beam (2) and lower ring (3), and realizes upper OQ t between ring beam (2) and lower ring (3) by hoist cylinder (4) driving; Described guide pile (1) vertically runs through ring beam (2) and lower ring (3) and is slidably connected with both this, and this guide pile (1) fixes the relative position of itself and upper ring beam (2) and lower ring (3) by bolt mechanism; Also include the clamper (5) for gripping guide pile (1).
2. a kind of hydraulic lift that can certainly fall according to claim 1, is characterized in that; Described bolt mechanism includes that to be opened in guide pile (1) upper and along some pin-and-holes (62) of guide pile (1) genesis analysis and the latch (61) coordinated with described pin-and-hole (62) that is arranged in upper ring beam (2) and lower ring (3).
3. a kind of hydraulic lift that can certainly fall according to claim 1, is characterized in that; Described clamper (5) comprise two mutually hinged and the jaw (51) of clamping position stake (1) can be coordinated.
4. a kind of hydraulic lift that can certainly fall according to claim 1 certainly fall a piling method, it is characterized in that; The method comprises the following steps: first use clamper (5) clamping and positioning stake (1) to make it bear the load of guide pile (1), then unclamping latch (61) mechanism makes it unload load to guide pile (1), finally unclamps clamper (5) and makes it unload naturally to decline by guide pile (1) to the load of guide pile (1).
CN201510099402.6A 2015-03-06 2015-03-06 Hydraulic lifting device capable of automatically dropping and automatic pile dropping method thereof Pending CN104727287A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510099402.6A CN104727287A (en) 2015-03-06 2015-03-06 Hydraulic lifting device capable of automatically dropping and automatic pile dropping method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510099402.6A CN104727287A (en) 2015-03-06 2015-03-06 Hydraulic lifting device capable of automatically dropping and automatic pile dropping method thereof

Publications (1)

Publication Number Publication Date
CN104727287A true CN104727287A (en) 2015-06-24

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106149660A (en) * 2016-06-30 2016-11-23 上海振华重工集团(南通)传动机械有限公司 A kind of slide block type hydraulic jacking system
CN106906813A (en) * 2017-03-01 2017-06-30 武汉船用机械有限责任公司 A kind of hydraulic bolt jacking system
CN112095573A (en) * 2020-08-25 2020-12-18 广东工业大学 Method for driving pile legs to lift and descend by four side cylinders of giant offshore wind turbine installation platform
CN112252393A (en) * 2020-09-23 2021-01-22 东珠生态环保股份有限公司 River channel dredging ship control system capable of automatically and accurately positioning
CN113335451A (en) * 2021-06-07 2021-09-03 中国长江电力股份有限公司 Engineering ship positioning system and method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0056753B1 (en) * 1981-01-14 1984-08-22 BRISSONNEAU ET LOTZ MARINE Société anonyme dite: Lifting device for self-elevating off-shore platform
CN102174806A (en) * 2011-03-02 2011-09-07 中国海洋石油总公司 Hydraulic elevating device applicable to variable pile diameters and use method thereof
CN202000327U (en) * 2011-02-21 2011-10-05 中国海洋石油总公司 Continuous stepwise type hydraulic lifting device
CN103147430A (en) * 2013-03-14 2013-06-12 广东精铟机械有限公司 Multifunctional ring beam lifting device
CN203145000U (en) * 2013-02-27 2013-08-21 天津市海王星海上工程技术有限公司 Self-locking lifting device suitable for self-elevating platform
CN204645038U (en) * 2015-03-06 2015-09-16 广东精铟海洋工程股份有限公司 A kind of hydraulic lift that can certainly fall

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0056753B1 (en) * 1981-01-14 1984-08-22 BRISSONNEAU ET LOTZ MARINE Société anonyme dite: Lifting device for self-elevating off-shore platform
CN202000327U (en) * 2011-02-21 2011-10-05 中国海洋石油总公司 Continuous stepwise type hydraulic lifting device
CN102174806A (en) * 2011-03-02 2011-09-07 中国海洋石油总公司 Hydraulic elevating device applicable to variable pile diameters and use method thereof
CN203145000U (en) * 2013-02-27 2013-08-21 天津市海王星海上工程技术有限公司 Self-locking lifting device suitable for self-elevating platform
CN103147430A (en) * 2013-03-14 2013-06-12 广东精铟机械有限公司 Multifunctional ring beam lifting device
CN204645038U (en) * 2015-03-06 2015-09-16 广东精铟海洋工程股份有限公司 A kind of hydraulic lift that can certainly fall

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106149660A (en) * 2016-06-30 2016-11-23 上海振华重工集团(南通)传动机械有限公司 A kind of slide block type hydraulic jacking system
CN106906813A (en) * 2017-03-01 2017-06-30 武汉船用机械有限责任公司 A kind of hydraulic bolt jacking system
CN112095573A (en) * 2020-08-25 2020-12-18 广东工业大学 Method for driving pile legs to lift and descend by four side cylinders of giant offshore wind turbine installation platform
CN112252393A (en) * 2020-09-23 2021-01-22 东珠生态环保股份有限公司 River channel dredging ship control system capable of automatically and accurately positioning
CN113335451A (en) * 2021-06-07 2021-09-03 中国长江电力股份有限公司 Engineering ship positioning system and method

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Application publication date: 20150624

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