CN202000327U - Continuous stepwise type hydraulic lifting device - Google Patents
Continuous stepwise type hydraulic lifting device Download PDFInfo
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- CN202000327U CN202000327U CN2011200427899U CN201120042789U CN202000327U CN 202000327 U CN202000327 U CN 202000327U CN 2011200427899 U CN2011200427899 U CN 2011200427899U CN 201120042789 U CN201120042789 U CN 201120042789U CN 202000327 U CN202000327 U CN 202000327U
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Abstract
The utility model relates to a continuous stepwise type hydraulic lifting device, which is characterized by comprising a pile consolidating cylinder, wherein the pile consolidating cylinder is used for being connected with a platform into a whole; two sets of lifting devices are vertically and symmetrically arranged in the pile consolidating cylinder; each set of lifting device comprises an upper pile holding device for locking and loosening pile legs which penetrate through and are arranged in the pile consolidating cylinder; the upper pile holding devices are welded on the inner wall of the pile consolidating cylinder; the bottom ends of the upper pile holding devices are connected with lifting oil cylinders; the bottom ends of the lifting oil cylinders are connected with lower pile holding devices for locking and loosening the pile legs; and the lifting oil cylinders are connected with a hydraulic system. The continuous stepwise type hydraulic lifting device has a simple and ingenious structure and a high lifting speed, is convenient to operate and can be widely used on a marine self-elevating platform; and the continuous stepwise type lifting can be realized.
Description
Technical field
The utility model relates to a kind of hydraulic lift, particularly about a kind of continuous stepped hydraulic lift with the Yu Haiyang jack-up unit.
Background technology
In ocean engineering, being of wide application of jack-up unit, because of its have removable, in place fast, characteristics such as easy construction, all brought into play important function in various aspects such as oil reservoir exploration in early stage, offshore platform drilling well, well workover, platform device maintenance, small oil field exploitations.At present the jack-up unit of China with this function has: the number of improving oneself, support oneself number, No. 3, No. 5, the South Sea, offshore oil 161, middle tide etc.These platforms have been equipped lifting gear for realizing lifting.Existing platform lifting device mainly contains pinion and-rack lifting gear and two kinds of patterns of step type hydraulic lifting gear.Compare with the pinion and-rack lifting gear, the step type hydraulic lifting gear has the accuracy of manufacture and requires low, advantages such as stable working reliable, cost economic, is widely used at home; The one major defect is: lifting continuously, rising or falling speed is slow.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides and a kind ofly can realize the continuous stepped lifting, and rising or falling speed is fast, with the continuous stepped hydraulic lift of Yu Haiyang jack-up unit.
For achieving the above object, the utility model is taked following technical scheme: a kind of continuous stepped hydraulic lift, it is characterized in that: it comprises that one is used for the solid stake tube that connects as one with platform, the upper and lower two cover lifting gears that are symmetrically arranged with in the described solid stake tube; The described lifting gear of every suit include one be used to lock, unclamp be located in spud leg in the described solid stake tube on hold a device under the arm, hold the inwall that a device is welded on described solid stake tube on described under the arm, hold a device bottom on described under the arm and connect hoist cylinder, the bottom connection one of described hoist cylinder is used to lock, unclamp a following device of holding under the arm of described spud leg, and described hoist cylinder connects hydraulic system.
Holding a device on each is described under the arm includes one and holds a device cylindrical shell under the arm, describedly hold the tough stake plate that a top of device cylindrical shell and bottom inwall all are welded with an annular under the arm, the described middle part inwall of holding a device cylindrical shell under the arm is welded with two fixedly ring beams at interval, and two described fixedly is provided with a rotation ring beam with some boss between the ring beam; Describedly hold that symmetry offers two long arc-shaped holes on the device cylindrical shell under the arm; Described holding under the arm is symmetrically welded with some wing plates at interval on a top of device cylindrical shell and the bottom outer wall, the other end of each described wing plate is welded on the described solid stake tube, each is to being provided with a riser between the upper and lower described wing plate, one face down bonding of each described riser is connected on described holding under the arm on the outer wall of device cylindrical shell, and opposite side is welded on the described solid stake tube; A described device cylindrical shell outside of holding under the arm is symmetrically arranged with two angling cylinders, and an end correspondence of each described angling cylinder is arranged on the described wing plate, and the other end connects a rotor plate, and the other end of described rotor plate passes described long arc-shaped holes and connects described rotation ring beam; Each described angling cylinder connects hydraulic system.
Hold under the arm on described in the device, all be arranged at intervals with plurality of strengthening ribs between the described tough stake plate that each described fixedly ring beam is adjacent.
Holding a device under each is described under the arm includes one and holds a device cylindrical shell under the arm, describedly hold the tough stake plate that a top of device cylindrical shell and bottom inwall all are welded with an annular under the arm, the described middle part inwall of holding a device cylindrical shell under the arm is welded with two fixedly ring beams at interval, and two described fixedly is provided with a rotation ring beam with some boss between the ring beam; Describedly hold that symmetry offers two long arc-shaped holes on the device cylindrical shell under the arm; Be welded with some wing plates on the described top outer wall of holding a device cylindrical shell under the arm at interval, the other end of each described wing plate is welded on the described solid stake tube, each described wing plate bottom is provided with a riser, one face down bonding of each described riser is connected on described holding under the arm on the outer wall of device cylindrical shell, opposite side is the inclined-plane, leaves certain distance with described solid stake tube inwall; A described device cylindrical shell outside of holding under the arm is symmetrically arranged with two angling cylinders, one end correspondence of each described angling cylinder is arranged on the described wing plate, the other end connects a rotor plate, the other end of described rotor plate passes described long arc-shaped holes and connects described rotation ring beam, and each described angling cylinder connects hydraulic system.
Hold under the arm under described in the device, all be arranged at intervals with plurality of strengthening ribs between the described tough stake plate that each described fixedly ring beam is adjacent.
The utility model is owing to take above technical scheme, it has the following advantages: 1, the utility model is provided with two cover lifting gears in solid stake tube, during work, the bottom lifting gear is carried out lifting or is transferred action, and platform is risen or the pitch that descends, the top lifting gear is carried out the backhaul action, then, the top lifting gear is carried out lifting or is transferred action, and the bottom lifting gear is carried out the backhaul action, carry out so repeatedly, can realize the continuous stepped lifting of jack-up unit.Pitch of lifting platform needs hoist cylinder to stretch or contract once, angling cylinder flexible each once; Compare with common step type hydraulic lifting gear, saved the hoist cylinder piston retraction and once stretched each time once, thereby significantly improved rising or falling speed with angling cylinder.2, the utility model is for self-elevating drilling platform, workover platform and mounting platform, after platform is installed, can be by two cover lifting gear fixed platform and spud legs, and do not need to be provided with again the lock stud device, simple in structure.The utility model apparatus structure is provided with simply ingenious, and is easy to operate, can realize the continuous stepped lifting, and rising or falling speed is fast, can be widely used on the jack-up unit of ocean.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 is that the utility model is held a device structural representation under the arm
Fig. 3 is that the utility model is held a device schematic top plan view under the arm
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, the utility model comprises a solid stake tube 1, Gu stake tube 1 connects as one with platform 2.Gu the upper and lower two cover lifting gears 3 that are symmetrically arranged with in the stake tube 1.Every suit lifting gear 3 include one be welded on solid stake tube 1 inwall on hold a device 4 under the arm, on hold a device 4 bottoms under the arm and connect hoist cylinder 5, hoist cylinder 5 bottoms are held a device 6 under the arm under connecting.Hoist cylinder 5 connects the hydraulic system (not shown).On hold a device 4 under the arm and hold a device 6 down under the arm and all be used to lock, unclamp the spud leg 7 that is located in the solid stake tube 1, spud leg 7 passes platform 2 and the bottom is fixedly installed on the seabed.
As shown in Figure 2, hold a device 4 on each under the arm and include one and hold a device cylindrical shell 8 under the arm, hold the tough stake plate 9 that a top of device cylindrical shell 8 and bottom inwall all are welded with an annular under the arm, tough stake plate 9 is used to limit the relative horizontal movement between lifting gear 3 and the spud leg 7.The middle part inwall of holding a device cylindrical shell 8 under the arm is welded with two fixedly ring beams 10 at interval, all is arranged at intervals with plurality of strengthening ribs between each tough stake plate 9 that fixedly ring beam 10 is adjacent.Two fixedly are provided with a rotation ring beam 11 between the ring beam 10, rotate ring beam 11 and circumferentially be arranged at intervals with some boss, and each boss is used for cooperating chucking, unclamping with the voussoir of spud leg 7 outer setting.Hold that symmetry offers two long arc-shaped holes on the device cylindrical shell 8 under the arm.Hold under the arm and be symmetrically welded with some wing plates 12 on a top of device cylindrical shell 8 and the bottom outer wall at interval, the other end of each wing plate 12 is welded on the solid stake tube 1, each is to being provided with a riser 13 between the upper and lower wing plate 12, one face down bonding of each riser 13 is connected on to be held under the arm on the outer wall of device cylindrical shell 8, and opposite side is welded on the solid stake tube 1.Hold device cylindrical shell 8 outside under the arm and be symmetrically arranged with two angling cylinders 14, one end correspondence of each angling cylinder 14 is arranged on the wing plate 12, the other end connects a rotor plate 15, and the other end of rotor plate 15 passes holds the long arc-shaped holes connection rotation ring beam of offering on the device cylindrical shell 8 11 under the arm.Each angling cylinder 14 connects the hydraulic system (not shown).
Hold under the arm down a device 6 and on hold the structural similarity of a device 4 under the arm, difference is: a device cylindrical shell bottom outer wall of holding under the arm of holding a device 6 down under the arm does not weld wing plate, hold riser one side that the wing plate bottom of device cylinder top outer wall welding is provided with under the arm and hold a device cylinder body outer wall welding under the arm, opposite side is the inclined-plane, and has certain distance with the inwall of consolidating stake tube 1.
Hold a device 4 on above-mentioned under the arm and all turn round along spud leg 7, and cooperate chucking, unclamp, with locking, the release that realizes holding a device and spud leg 7 under the arm with the voussoir of spud leg 7 outer setting by the flexible drive swivel becket beam 11 of angling cylinder 14 with the following device 6 of holding under the arm.
In the foregoing description, the hoist cylinder 5 that is provided with in every suit lifting gear 3 can be 4,6 or 8, is symmetrically distributed.
In the foregoing description, the hydraulic system that connects hoist cylinder 5 and angling cylinder 14 belongs to prior art, no longer describes in detail at this.
As shown in Figure 1, when the utility model is in running order,, and connect as one with platform 2 Gu stake tube 1 is set in spud leg 7 outsides.The utility model is in the original state that rises and descend: the hoist cylinder 5 of upper and lower two cover lifting gears 3 all is in contraction state, hold under the arm on two and hold a device 6 under the arm under a device 4 and two and all be in locking state, platform 2 is fixing with spud leg 7 by holding a device 4 under the arm on two.
The method of the utility model device lift bench may further comprise the steps:
What 1) keep bottom lifting gear 3 holds a device 6 and spud leg 7 lockings under the arm down, with hold under the arm on the top lifting gear 3 device 4 and under hold a device 6 under the arm, and bottom lifting gear 3 on hold a device 4 releases under the arm;
2) hoist cylinder 5 of HYDRAULIC CONTROL SYSTEM bottom lifting gear 3 stretches out, and promotes to move on the platform 2, puts in place until oil cylinder stroke;
3) the following device 6 of holding under the arm of top lifting gear 3 is locked; Hold bottom lifting gear 3 following under the arm a device 6 releases;
4) hoist cylinder 5 of HYDRAULIC CONTROL SYSTEM bottom lifting gear 3 shrinks, following the holding under the arm on the device 6 that drives bottom lifting gear 3 moved, and puts in place until oil cylinder stroke, and the hoist cylinder 5 of HYDRAULIC CONTROL SYSTEM top lifting gear 3 stretches out simultaneously, promote to move on the platform 2, put in place until oil cylinder stroke;
5) the following device 6 of holding under the arm of bottom lifting gear 3 is locked; Hold top lifting gear 3 following under the arm a device 6 releases;
6) hoist cylinder 5 of HYDRAULIC CONTROL SYSTEM top lifting gear 3 shrinks, following the holding under the arm on the device 6 that drives top lifting gear 3 moved, and puts in place until oil cylinder stroke, and the hoist cylinder 5 of HYDRAULIC CONTROL SYSTEM bottom lifting gear 3 stretches out simultaneously, promote to move on the platform 2, put in place until oil cylinder stroke;
7) return step 3), after platform 2 moved on to the position on continuously, each hoist cylinder 5 all was contracted to oil cylinder stroke and puts in place, held under the arm on two to hold a device 6 under the arm under a device 4 and two and all lock, and platform 2 is fixed with spud leg 7 by holding a device 4 under the arm on two.
The method of the utility model device decline platform may further comprise the steps:
What 1) keep top lifting gear 3 holds a device 6 and spud leg 7 lockings under the arm down, will hold a device 4 on the top lifting gear 3 under the arm, and bottom lifting gear 3 on hold under the arm a device 4 and under hold a device 6 releases under the arm;
2) hoist cylinder 5 of HYDRAULIC CONTROL SYSTEM bottom lifting gear 3 stretches out, and the following device 6 of holding under the arm that drives bottom lifting gear 3 moves down, and puts in place until oil cylinder stroke;
3) the following device 6 of holding under the arm of bottom lifting gear 3 is locked; Hold top lifting gear 3 following under the arm a device 6 releases;
4) hoist cylinder 5 of HYDRAULIC CONTROL SYSTEM bottom lifting gear 3 shrinks, drive platform 2 and move down, put in place until oil cylinder stroke, the hoist cylinder 5 of HYDRAULIC CONTROL SYSTEM top lifting gear 3 stretches out simultaneously, the following device 6 of holding under the arm that drives top lifting gear 3 moves down, and puts in place until oil cylinder stroke;
5) the following device 6 of holding under the arm of top lifting gear 3 is locked; Hold bottom lifting gear 3 following under the arm a device 6 releases;
6) hoist cylinder 5 of HYDRAULIC CONTROL SYSTEM top lifting gear 3 shrinks, drive platform 2 and move down, put in place until oil cylinder stroke, the hoist cylinder 5 of HYDRAULIC CONTROL SYSTEM bottom lifting gear 3 stretches out simultaneously, the following device 6 of holding under the arm that drives bottom lifting gear 3 moves down, and puts in place until oil cylinder stroke;
7) return step 3), until platform 2 descend continuously put in place after, each hoist cylinder 5 all is contracted to oil cylinder stroke and puts in place, holds under the arm on two to hold a device 6 under the arm under a device 4 and two and all lock, platform 2 is fixed with spud leg 7 by holding a device 4 under the arm on two.
The various embodiments described above only are used to illustrate the utility model; wherein the structure of each parts, connected mode etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement all should not got rid of outside protection domain of the present utility model.
Claims (5)
1. continuous stepped hydraulic lift is characterized in that: it comprises that one is used for the solid stake tube that connects as one with platform, the upper and lower two cover lifting gears that are symmetrically arranged with in the described solid stake tube; The described lifting gear of every suit include one be used to lock, unclamp be located in spud leg in the described solid stake tube on hold a device under the arm, hold the inwall that a device is welded on described solid stake tube on described under the arm, hold a device bottom on described under the arm and connect hoist cylinder, the bottom connection one of described hoist cylinder is used to lock, unclamp a following device of holding under the arm of described spud leg, and described hoist cylinder connects hydraulic system.
2. a kind of continuous stepped hydraulic lift as claimed in claim 1, it is characterized in that: hold a device on each is described under the arm and include one and hold a device cylindrical shell under the arm, describedly hold the tough stake plate that a top of device cylindrical shell and bottom inwall all are welded with an annular under the arm, the described middle part inwall of holding a device cylindrical shell under the arm is welded with two fixedly ring beams at interval, and two described fixedly is provided with a rotation ring beam with some boss between the ring beam; Describedly hold that symmetry offers two long arc-shaped holes on the device cylindrical shell under the arm; Described holding under the arm is symmetrically welded with some wing plates at interval on a top of device cylindrical shell and the bottom outer wall, the other end of each described wing plate is welded on the described solid stake tube, each is to being provided with a riser between the upper and lower described wing plate, one face down bonding of each described riser is connected on described holding under the arm on the outer wall of device cylindrical shell, and opposite side is welded on the described solid stake tube; A described device cylindrical shell outside of holding under the arm is symmetrically arranged with two angling cylinders, and an end correspondence of each described angling cylinder is arranged on the described wing plate, and the other end connects a rotor plate, and the other end of described rotor plate passes described long arc-shaped holes and connects described rotation ring beam; Each described angling cylinder connects hydraulic system.
3. a kind of continuous stepped hydraulic lift as claimed in claim 2 is characterized in that: hold under the arm on described in the device, all be arranged at intervals with plurality of strengthening ribs between the described tough stake plate that each described fixedly ring beam is adjacent.
4. as claim 1 or 2 or 3 described a kind of continuous stepped hydraulic lifts, it is characterized in that: hold a device under each is described under the arm and include one and hold a device cylindrical shell under the arm, describedly hold the tough stake plate that a top of device cylindrical shell and bottom inwall all are welded with an annular under the arm, the described middle part inwall of holding a device cylindrical shell under the arm is welded with two fixedly ring beams at interval, and two described fixedly is provided with a rotation ring beam with some boss between the ring beam; Describedly hold that symmetry offers two long arc-shaped holes on the device cylindrical shell under the arm; Be welded with some wing plates on the described top outer wall of holding a device cylindrical shell under the arm at interval, the other end of each described wing plate is welded on the described solid stake tube, each described wing plate bottom is provided with a riser, one face down bonding of each described riser is connected on described holding under the arm on the outer wall of device cylindrical shell, opposite side is the inclined-plane, leaves certain distance with described solid stake tube inwall; A described device cylindrical shell outside of holding under the arm is symmetrically arranged with two angling cylinders, one end correspondence of each described angling cylinder is arranged on the described wing plate, the other end connects a rotor plate, the other end of described rotor plate passes described long arc-shaped holes and connects described rotation ring beam, and each described angling cylinder connects hydraulic system.
5. a kind of continuous stepped hydraulic lift as claimed in claim 4 is characterized in that: hold under the arm under described in the device, all be arranged at intervals with plurality of strengthening ribs between the described tough stake plate that each described fixedly ring beam is adjacent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200427899U CN202000327U (en) | 2011-02-21 | 2011-02-21 | Continuous stepwise type hydraulic lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200427899U CN202000327U (en) | 2011-02-21 | 2011-02-21 | Continuous stepwise type hydraulic lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202000327U true CN202000327U (en) | 2011-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200427899U Expired - Lifetime CN202000327U (en) | 2011-02-21 | 2011-02-21 | Continuous stepwise type hydraulic lifting device |
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| CN (1) | CN202000327U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162233A (en) * | 2011-02-21 | 2011-08-24 | 中国海洋石油总公司 | Continuous stepping hydraulic lifting device and method |
| CN104727287A (en) * | 2015-03-06 | 2015-06-24 | 广东精铟海洋工程股份有限公司 | Hydraulic lifting device capable of automatically dropping and automatic pile dropping method thereof |
| CN105780749A (en) * | 2014-12-26 | 2016-07-20 | 财团法人船舶暨海洋产业研发中心 | Hydraulic type lifting system and operation method thereof |
| CN106368200A (en) * | 2016-08-25 | 2017-02-01 | 武汉船用机械有限责任公司 | Hydraulic plug pin lifting system of self-elevating offshore platform |
| CN106544997A (en) * | 2016-10-18 | 2017-03-29 | 武汉船用机械有限责任公司 | A kind of guiding mechanism of truss leg 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 |
-
2011
- 2011-02-21 CN CN2011200427899U patent/CN202000327U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162233A (en) * | 2011-02-21 | 2011-08-24 | 中国海洋石油总公司 | Continuous stepping hydraulic lifting device and method |
| CN102162233B (en) * | 2011-02-21 | 2012-11-28 | 中国海洋石油总公司 | Continuous stepping hydraulic lifting device and method |
| CN105780749A (en) * | 2014-12-26 | 2016-07-20 | 财团法人船舶暨海洋产业研发中心 | Hydraulic type lifting system and operation method thereof |
| CN105780749B (en) * | 2014-12-26 | 2018-07-03 | 财团法人船舶暨海洋产业研发中心 | Fluid pressure type hoisting system and its operation method |
| CN104727287A (en) * | 2015-03-06 | 2015-06-24 | 广东精铟海洋工程股份有限公司 | Hydraulic lifting device capable of automatically dropping and automatic pile dropping method thereof |
| CN106368200A (en) * | 2016-08-25 | 2017-02-01 | 武汉船用机械有限责任公司 | Hydraulic plug pin lifting system of self-elevating offshore platform |
| CN106544997A (en) * | 2016-10-18 | 2017-03-29 | 武汉船用机械有限责任公司 | A kind of guiding mechanism of truss leg jacking system |
| CN106544997B (en) * | 2016-10-18 | 2019-05-17 | 武汉船用机械有限责任公司 | A kind of guiding mechanism of truss leg 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111005 Effective date of abandoning: 20130227 |
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| RGAV | Abandon patent right to avoid regrant |