CN205061460U - Continuous pneumatic cylinder operating system of offshore platform ring beam - Google Patents
Continuous pneumatic cylinder operating system of offshore platform ring beam Download PDFInfo
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- CN205061460U CN205061460U CN201520627659.XU CN201520627659U CN205061460U CN 205061460 U CN205061460 U CN 205061460U CN 201520627659 U CN201520627659 U CN 201520627659U CN 205061460 U CN205061460 U CN 205061460U
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- ring beam
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- offshore platform
- jacking system
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Abstract
The utility model relates to an offshore platform ring beam operating system, especially a continuous pneumatic cylinder operating system of offshore platform ring beam. This system includes the ring beam assembly: last ring beam has, last ring beam internal surface be equipped with the bolt, last bolt connection have last bolt hydro -cylinder, the soffit of fitting with a contraceptive ring on lift cylinder, lift cylinder bottom be connected with down the ring beam, lower ring beam inboard also be equipped with and carry out the lower bolt that stretches out and draws back for the pinhole on the spud leg, lower bolt in be equipped with down the bolt hydro -cylinder, the hydraulic pressure assembly: including the hydraulic power source, lift cylinder hydraulic circuit who is connected with lift cylinder respectively and the bolt control circuit who is connected with time bolt hydro -cylinder with last bolt hydro -cylinder. The utility model discloses change ring beam operating system's lift and locking mode, avoided the problem of the stability in use that original lift and locking mode brought for the loading that holds of two systems that trade carries on one's shoulder or back more greatly, works more reliable and more stablely.
Description
Technical field
The utility model relates to a kind of offshore platform ring beam jacking system, especially a kind of offshore platform ring beam continuous hydraulic cylinder jacking system.
Background technology
On existing platform, platform is when arranging, first the spud leg of three or more is set, spud leg arranges ring beam to carry the weight of platform and to realize lifting and the locking of offshore platform, the lifting of existing platform and lockable mechanism are generally pass through wheel and rack, gear with realize gear or coordinating between tooth bar with clamping tooth bar, in lifting process, because ring beam will bear huge weight, so stressed also very huge between the gear matched or tooth bar, interaction force when driving its relative movement or relatively keep between tooth and tooth is very large, dentalation often can not bear so large application force, so lifting and locking structure are easily damaged, cause lifting and the locking generation obstacle of offshore platform, easily affect production safety.
Summary of the invention
In order to solve the deficiencies in the prior art, the utility model provides that a kind of bearing load is large, working stability failure-free offshore platform ring beam continuous hydraulic cylinder jacking system.
To achieve these goals, the utility model adopts following technical scheme:
This support system comprises:
Ring beam assembly: have be positioned at top be connected with offshore platform wedge bracket and be socketed on spud leg upper ring beam, described upper ring beam inside face is provided with and carries out relative to the pin-and-hole on spud leg the upper latch that stretches, and described upper latch is connected with plugging pin oil cylinder; Described pressed on ring soffit is provided with and is uniformly distributed and vertically disposed hoist cylinder along ring beam, lower ring is connected with bottom described hoist cylinder, also be provided with inside described lower ring and carry out relative to the pin-and-hole on spud leg the lower latch that stretches, in described lower latch, be provided with lower plugging pin oil cylinder;
Hydraulic pressure assembly: comprise hydraulic power source, the hoist cylinder hydraulic circuit be connected with hoist cylinder respectively and the latch control loop be connected with lower plugging pin oil cylinder with upper plugging pin oil cylinder.
Preferably, described upper ring beam is fixedly connected as eight-sided formation by four pressed on ring beam seats and four attaching partss; The inwall of each pressed on ring beam seat arranges the upper latch described in, and the bottom of each pressed on ring beam seat arranges the hoist cylinder described in two.
Preferably, described lower ring comprises four that respectively corresponding pressed on ring beam seat arranges and independently descend thrust bearing, on two hoist cylinders bottom the pressed on ring beam seat that each lower thrust bearing is connected to correspondence.
Preferably, described each attaching parts is provided with two guideposts extended vertically downward, described lower thrust bearing both sides are socketed on a guidepost respectively.
Preferably, described upper plugging pin oil cylinder is arranged in latch; Described lower plugging pin oil cylinder is arranged in lower latch.
Preferably, hoist cylinder hydraulic circuit comprises the control cock assembly be connected with two hoist cylinders on each pressed on ring beam seat respectively, and two control cock assemblies that two hoist cylinders on two relative ring beam seats connect connect an electromagnetic valve component; Each electromagnetic valve component is respectively by an oil pump assembly connecting fluid potential source.
Preferably, described upper plugging pin oil cylinder is connected with two-position four way change valve and hydraulic control one-way valve and solenoid directional control valve; Described lower plugging pin oil cylinder has two-position four way change valve and hydraulic control one-way valve and solenoid directional control valve; The solenoid directional control valve that the solenoid directional control valve that upper plugging pin oil cylinder connects is connected with lower plugging pin oil cylinder is connected to an electromagnetic valve component; Electromagnetic valve component is respectively by an oil pump assembly connecting fluid potential source.
Preferably, described control cock assembly comprises the balance cock and proportional reversing valve that connect successively; Balance cock is connected with hoist cylinder; Proportional reversing valve is connected with electromagnetic valve component; Also pressure sensor is provided with between balance cock and hoist cylinder; Plug-in one-way valve, pressure line filter is also provided with successively between proportional reversing valve and electromagnetic valve component.
Preferably, described electromagnetic valve component comprises and is connected to electromagnetic relief valve between pressure line filter and oil pump assembly and compression indicator.
Preferably, described oil pump assembly comprises and is connected to Variable plunger pump between electromagnetic relief valve and hydraulic power source and electrical motor.
Owing to have employed such scheme, offshore platform ring beam continuous hydraulic cylinder jacking system of the present utility model changes lifting and the locking mode of ring beam jacking system, avoid the problem of the stability in use that original lifting and locking mode are brought, such that the bearing load of two systems of changing is larger, work is more reliable and more stable.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the ring beam assembly structure schematic diagram of the utility model embodiment;
Fig. 2 is the hydraulic pressure assembly structure schematic diagram of the utility model embodiment.
detailed description of the invention:
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Shown in composition graphs 1 and Fig. 2, the offshore platform ring beam continuous hydraulic cylinder jacking system of the present embodiment comprises:
Ring beam assembly: have be positioned at top be connected with offshore platform wedge bracket and be socketed on spud leg upper ring beam 1, described upper ring beam 1 inside face is provided with and carries out relative to the pin-and-hole on spud leg the upper latch 2 that stretches, and described upper latch 2 is connected with plugging pin oil cylinder 3; Described upper ring beam 1 bottom surface is provided with and is uniformly distributed and vertically disposed hoist cylinder 4 along ring beam, lower ring 5 is connected with bottom described hoist cylinder 4, also be provided with inside described lower ring 5 and carry out relative to the pin-and-hole on spud leg the lower latch 6 that stretches, in described lower latch, be provided with lower plugging pin oil cylinder 7;
Hydraulic pressure assembly: comprise hydraulic power source 8, the described hoist cylinder hydraulic circuit 9 be connected with hoist cylinder 4 respectively and the latch control loop 10 be connected with lower plugging pin oil cylinder 7 with upper plugging pin oil cylinder 3.
In the concrete structure design of upper ring beam 1, in the present embodiment, described upper ring beam 1 is fixedly connected as eight-sided formation by four pressed on ring beam seats 101 and four attaching partss 11; The inwall of each pressed on ring beam seat 101 arranges the upper latch 2 described in, and the bottom of each pressed on ring beam seat 101 arranges the hoist cylinder 4 described in two.
In the concrete structure design of lower ring 5, in the present embodiment, described lower ring 5 comprises four that respectively corresponding pressed on ring beam seat 101 arranges and independently descend thrust bearing 501, on two hoist cylinders 4 bottom the pressed on ring beam seat 101 that each lower thrust bearing 501 is connected to correspondence.
In order to the lifting exactly of lower thrust bearing 501, in the present embodiment, described each attaching parts 11 is provided with two guideposts extended vertically downward 12, described lower thrust bearing 501 both sides are socketed on a guidepost 12 respectively.
In order to reduce the weight and volume of product, in the present embodiment, described upper plugging pin oil cylinder 3 is arranged in latch 2; Described lower plugging pin oil cylinder 7 is arranged in lower latch 6.
On the pilot piping of hydraulic efficiency pressure system, in the present embodiment, hoist cylinder hydraulic circuit 9 comprises the control cock assembly 13 be connected with two hoist cylinders 4 on each pressed on ring beam seat 101 respectively, and two control cock assemblies 13 that two hoist cylinders on two relative ring beam seats 101 connect connect an electromagnetic valve component 14; Each electromagnetic valve component 14 is respectively by an oil pump assembly 15 connecting fluid potential source 16.
In the present embodiment, described upper plugging pin oil cylinder 3 is connected with two-position four way change valve 17 and hydraulic control one-way valve 18 and solenoid directional control valve 19; Described lower plugging pin oil cylinder 7 has two-position four way change valve 17 and hydraulic control one-way valve 18 and solenoid directional control valve 19; The solenoid directional control valve 19 that the solenoid directional control valve 19 that upper plugging pin oil cylinder 3 connects is connected with lower plugging pin oil cylinder 7 is connected to an electromagnetic valve component 14; Electromagnetic valve component 14 is respectively by an oil pump assembly 15 connecting fluid potential source 16.
In the present embodiment, described control cock assembly 13 comprises balance cock 131 successively and proportional reversing valve 132; Balance cock 131 is connected with hoist cylinder 4; Proportional reversing valve 132 is connected with electromagnetic valve component 14; Pressure sensor 133 is also provided with between balance cock 131 and hoist cylinder 4; Plug-in one-way valve 17, pressure line filter 18 is also provided with successively between proportional reversing valve 132 and electromagnetic valve component 14.
In the present embodiment, described electromagnetic valve component 14 comprises and is connected to electromagnetic relief valve 141 between pressure line filter 18 and oil pump assembly 15 and compression indicator 142.
In the present embodiment, described oil pump assembly 15 comprises and is connected to Variable plunger pump 151 between electromagnetic relief valve 141 and hydraulic power source 16 and electrical motor 152.
During work, spud leg arranges pin-and-hole, by plane on upper ring beam and wedge bracket top attachment, when latch in pressed on ring stretches out, can insert the pin-and-hole on spud leg, upper ring beam is by upper latch, make ring beam be fixed on a certain height on spud leg, thus bear the platform weight load transmitted at wedge bracket top.
By eight latches on upper ring beam, connect the cylinder tail earrings of eight hoist cylinders, the piston rod of eight hoist cylinders connects with four thrust bearing latches respectively, four thrust bearings, be evenly arranged around spud leg below ring beam, lower latch on it is relative with pin-and-hole on spud leg, when lower latch stretches out, can insert spud leg pin-and-hole.Arranging hoist cylinder stroke in the present embodiment is 1500mm.
When four hydraulic bolts of upper ring beam insert spud leg, and when four of thrust bearing latches are extracted, platform weight is delivered to spud leg by upper ring beam; When four hydraulic bolts of upper ring beam are extracted, when the lower latch of thrust bearing inserts pin-and-hole, platform weight is passed to hoist cylinder by upper ring beam, is passed to spud leg by hoist cylinder by thrust bearing and lower latch again.Now hoist cylinder stretches, and can promote platform and rise, or decline.
In the present embodiment, when the lower latch on two thrust bearings of only Arbitrary Relative inserts spud leg, the ability of equipment both can meet the needs of specified lifting load.So when normal lifting table, four thrust bearings can be utilized to be divided into two groups and alternately complete release and drawback movement, now as above ring beam latch all keeps retracted mode, and platform can realize continuous print dipping and heaving.
In the specification and selection of parts, in the present embodiment, hydraulic ram cylinder diameter 600mm, stroke 1500mm.For lifting platform and piling, propose stake and provide thrust, single rated thrust, nominal thrust 750MT, specified pulling force 485MT(is used for pile pulling operating mode).For reasonably playing the effect of balanced loop, the balance cock of hydraulic circuit is installed on the hydraulic fluid port of each oil cylinder, is directly connected with between oil cylinder, and hoist cylinder plays safe anti-falling protection by cylinder mouth balance cock, eliminates potential safety hazard to greatest extent; Upper latch and the most important stressed member of lower latch, lateral pin material is 40CrNiMo, and material, through process, can ensure enough intensity and enough low-temperature flexibilities.Full ship has four same hydraulic power units, the jacking system being respectively four spud legs provides power, wherein oil pump is BOSCH-REXROTH A7V80 Variable plunger pump, join marine electric machine, total displacement is 348Lmin, power of motor 165KW, this part pump group provides descending operation power fuel tank for jacking system: fuel tank capacity 2000L, and He Deke product selected by fuel tank annex; Hydraulic power unit assembly is sledge formula structure, is carbon steel structure, is installed on and specifies in cabin, as needs are installed at deck plane, and customizable all steel structure.Hydraulic power source fuel tank is equipped with heating arrangement.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. offshore platform ring beam continuous hydraulic cylinder jacking system, is characterized in that, comprising:
Ring beam assembly: have be positioned at top be connected with offshore platform wedge bracket and be socketed on spud leg upper ring beam, described upper ring beam inside face is provided with and carries out relative to the pin-and-hole on spud leg the upper latch that stretches, and described upper latch is connected with plugging pin oil cylinder; Described pressed on ring soffit is provided with and is uniformly distributed and vertically disposed hoist cylinder along ring beam, lower ring is connected with bottom described hoist cylinder, also be provided with inside described lower ring and carry out relative to the pin-and-hole on spud leg the lower latch that stretches, in described lower latch, be provided with lower plugging pin oil cylinder;
Hydraulic pressure assembly: comprise hydraulic power source, the hoist cylinder hydraulic circuit be connected with hoist cylinder respectively and the latch control loop be connected with lower plugging pin oil cylinder with upper plugging pin oil cylinder.
2. offshore platform ring beam continuous hydraulic cylinder jacking system as claimed in claim 1, is characterized in that: described upper ring beam is fixedly connected as eight-sided formation by four pressed on ring beam seats and four attaching partss; The inwall of each pressed on ring beam seat arranges the upper latch described in, and the bottom of each pressed on ring beam seat arranges the hoist cylinder described in two.
3. offshore platform ring beam continuous hydraulic cylinder jacking system as claimed in claim 2, it is characterized in that: described lower ring comprises four that respectively corresponding pressed on ring beam seat arranges and independently descend thrust bearing, on two hoist cylinders bottom the pressed on ring beam seat that each lower thrust bearing is connected to correspondence.
4. offshore platform ring beam continuous hydraulic cylinder jacking system as claimed in claim 3, it is characterized in that: described each attaching parts is provided with two guideposts extended vertically downward, described lower thrust bearing both sides are socketed on a guidepost respectively.
5. offshore platform ring beam continuous hydraulic cylinder jacking system as claimed in claim 4, is characterized in that: described upper plugging pin oil cylinder is arranged in latch; Described lower plugging pin oil cylinder is arranged in lower latch.
6. offshore platform ring beam continuous hydraulic cylinder jacking system as claimed in claim 5, it is characterized in that: hoist cylinder hydraulic circuit comprises the control cock assembly be connected with two hoist cylinders on each pressed on ring beam seat respectively, and two control cock assemblies that two hoist cylinders on two relative ring beam seats connect connect an electromagnetic valve component; Each electromagnetic valve component is respectively by an oil pump assembly connecting fluid potential source.
7. offshore platform ring beam continuous hydraulic cylinder jacking system as claimed in claim 6, is characterized in that: described upper plugging pin oil cylinder is connected with two-position four way change valve and hydraulic control one-way valve and solenoid directional control valve; Described lower plugging pin oil cylinder has two-position four way change valve and hydraulic control one-way valve and solenoid directional control valve; The solenoid directional control valve that the solenoid directional control valve that upper plugging pin oil cylinder connects is connected with lower plugging pin oil cylinder is connected to an electromagnetic valve component; Electromagnetic valve component is respectively by an oil pump assembly connecting fluid potential source.
8. offshore platform ring beam continuous hydraulic cylinder jacking system as claimed in claim 7, is characterized in that: described control cock assembly comprises the balance cock and proportional reversing valve that connect successively; Balance cock is connected with hoist cylinder; Proportional reversing valve is connected with electromagnetic valve component; Also pressure sensor is provided with between balance cock and hoist cylinder; Plug-in one-way valve, pressure line filter is also provided with successively between proportional reversing valve and electromagnetic valve component.
9. offshore platform ring beam continuous hydraulic cylinder jacking system as claimed in claim 8, is characterized in that: described electromagnetic valve component comprises and is connected to electromagnetic relief valve between pressure line filter and oil pump assembly and compression indicator.
10. offshore platform ring beam continuous hydraulic cylinder jacking system as claimed in claim 9, is characterized in that: described oil pump assembly comprises and is connected to Variable plunger pump between electromagnetic relief valve and hydraulic power source and electrical motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520627659.XU CN205061460U (en) | 2015-08-19 | 2015-08-19 | Continuous pneumatic cylinder operating system of offshore platform ring beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520627659.XU CN205061460U (en) | 2015-08-19 | 2015-08-19 | Continuous pneumatic cylinder operating system of offshore platform ring beam |
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| CN205061460U true CN205061460U (en) | 2016-03-02 |
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| CN201520627659.XU Active CN205061460U (en) | 2015-08-19 | 2015-08-19 | Continuous pneumatic cylinder operating system of offshore platform ring beam |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084244A (en) * | 2015-08-19 | 2015-11-25 | 广东精铟海洋工程股份有限公司 | Ring beam continuous hydraulic cylinder lifting system for offshore platform |
| CN105672235A (en) * | 2016-04-05 | 2016-06-15 | 上海尚鉴机械工程有限公司 | Battle pin type ocean platform lifting device |
| CN106185357A (en) * | 2016-07-14 | 2016-12-07 | 燕山大学 | A kind of full-automatic load wagon |
| CN106592558A (en) * | 2016-11-04 | 2017-04-26 | 武汉船用机械有限责任公司 | Hydraulic plug pin lifting system for ocean platform |
| CN107386244A (en) * | 2017-08-17 | 2017-11-24 | 西伯瀚（上海）海洋装备科技有限公司 | A kind of truss-like hydraulic bolt lowering or hoisting gear |
-
2015
- 2015-08-19 CN CN201520627659.XU patent/CN205061460U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084244A (en) * | 2015-08-19 | 2015-11-25 | 广东精铟海洋工程股份有限公司 | Ring beam continuous hydraulic cylinder lifting system for offshore platform |
| CN105672235A (en) * | 2016-04-05 | 2016-06-15 | 上海尚鉴机械工程有限公司 | Battle pin type ocean platform lifting device |
| CN106185357A (en) * | 2016-07-14 | 2016-12-07 | 燕山大学 | A kind of full-automatic load wagon |
| CN106592558A (en) * | 2016-11-04 | 2017-04-26 | 武汉船用机械有限责任公司 | Hydraulic plug pin lifting system for ocean platform |
| CN107386244A (en) * | 2017-08-17 | 2017-11-24 | 西伯瀚（上海）海洋装备科技有限公司 | A kind of truss-like hydraulic bolt lowering or hoisting gear |
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