CN102518103A - Unlocking method and structure of pile locking device unlocked by using high-pressure oil cylinder - Google Patents
Unlocking method and structure of pile locking device unlocked by using high-pressure oil cylinder Download PDFInfo
- Publication number
- CN102518103A CN102518103A CN2011104190317A CN201110419031A CN102518103A CN 102518103 A CN102518103 A CN 102518103A CN 2011104190317 A CN2011104190317 A CN 2011104190317A CN 201110419031 A CN201110419031 A CN 201110419031A CN 102518103 A CN102518103 A CN 102518103A
- Authority
- CN
- China
- Prior art keywords
- voussoir
- oil cylinder
- worm
- locking piece
- pile leg
- 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
Links
Images
Abstract
The invention relates to an unlocking method and structure of a pile locking device unlocked by using a high-pressure oil cylinder. The unlocking method comprises the following steps: a top oil cylinder is loaded with high pressure to drive a top wedge block to descend so that a worm and worm wheel transmission assembly keeps a certain gap with the top wedge block and the worm and worm wheel transmission assembly can return to the original position easily by overcoming the resistance per se, when the worm and worm wheel transmission assembly returns completely, the top oil cylinder is unloaded to drive the top wedge block to be away from a pile locking block, when the top wedge block is completely away from the pile locking block, a bottom transmission assembly drives a bottom wedge block thereof to descend to be away from the pile locking block, when the bottom wedge block is completely away from the pile locking block, the pile locking block starts to be away from an ascending rack under the action of the lateral tension, and the pile locking block away from an ascending rack is finally fixed by the limiting of a stabilizing device to finish unlocking. Due to the adoption of the technical scheme, the pile locking block can act stably, and the capacity of bearing and resisting the storm of the platform during working can be improved.
Description
Technical field
The present invention relates to the technical field of offshore boring island auxiliary equipment, refer in particular to a kind of unlock method and structure thereof of the pile leg locking device with the high-voltage oil cylinder release.
Background technology
Convention in the industry; When traditional pile leg locking device that is used for self-elevating drilling platform is worked, because the platform weight long-time bearing on locking device, causes easily release of locking device; Simultaneously in releasing process; Occur the worm and gear stuck phenomenon easily, have a strong impact on the supporting capacity and the weatherliness of platform, reduce its security reliability; In addition, situation such as the pile leg locking piece tilts, the pile leg locking piece can't accurately be fixed appear in pile leg locking device in the past easily, have certain potential safety hazard.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, the unlock method and the structure thereof with the pile leg locking device of high-voltage oil cylinder release of a kind of reliable, stable action reasonable in design, raising platform supporting capacity and weatherliness when operation is provided.
For realizing above-mentioned purpose, its unlock method of technical scheme provided by the present invention is: during release, at first the top oil cylinder carries out the high pressure loading; Drive the top voussoir and descend, make to produce certain clearance between worm and gear drive assembly that the top voussoir is fixed and the top voussoir, thereby the platform weight that makes script born by the worm and gear drive assembly is transferred to the top oil cylinder and got on; This moment, the worm and gear drive assembly began action, just can easily be returned to the origin-location through overcoming self resistance, behind the complete rollback of worm and gear drive assembly; Top oil cylinder release drives top voussoir and pile leg locking piece and breaks away from, after the top voussoir breaks away from the pile leg locking piece fully; The bottom drive assembly begins action, drives its bottom voussoir and descends, and breaks away from the pile leg locking piece; After the bottom voussoir broke away from the pile leg locking piece fully, the pile leg locking piece began to break away from the tooth bar that climbs under the effect of side direction pulling force, the pile leg locking piece after the disengaging after the lock pin of this erection device assembly of lock pin hydraulic oil cylinder driving of erection device assembly stretch out; The pile leg locking piece is fixed; Prevent its downslide, accomplish the release action, the weight of platform will be born by jacking system this moment.
Its structure includes seat assembly behind seat assembly behind top drive assembly, the top voussoir, side direction pull action cylinder assembly, the bottom voussoir, pile leg locking piece, bottom drive assembly; Wherein, Described top drive assembly and bottom drive assembly correspondence are installed in the upper and lower position of hull; And the pile leg locking piece through the tooth bar both sides of climbing on the top voussoir that carries and bottom voussoir and the spud leg matches and acts on this tooth bar that climbs respectively; Correspondence is equipped with the side direction pull action cylinder assembly that acts on the pile leg locking piece on hull simultaneously; Make the pile leg locking piece to be meshed with the tooth bar that climbs or to break away from through the side direction pull action cylinder assembly and the acting in conjunction of bottom drive assembly, each above-mentioned top voussoir and bottom voussoir are led by seat assembly behind seat assembly and the bottom voussoir behind the top voussoir of a side separately respectively; It also includes to be installed on the hull and to corresponding pile leg locking piece and leads and spacing fixing erection device assembly, and described erection device assembly includes the baffle plate that is installed on the hull, the lock pin that is installed in the lock pin oil cylinder on this baffle plate and is stretched by this lock pin hydraulic oil cylinder driving; Described top drive assembly includes the top oil cylinder, the top voussoir that is fixedly connected with the piston rod of this top oil cylinder and the worm and gear drive assembly that cooperatively interacts with this top voussoir; Wherein, described worm and gear drive assembly is mainly by worm gear, worm screw and drive this worm gear and the hydraulic motor of worm screw action is formed.
The present invention is after having adopted such scheme; Its great advantage is that the present invention is through the locking to the tooth bar that climbs on the spud leg; Increase the holding power of platform on spud leg,, improve platform supporting capacity and weatherliness when operation with the jacking system acting in conjunction or do the time spent separately.In the locking process, carry out high pressure through the top oil cylinder and load, platform is promoted certain altitude; The worm and gear drive assembly is followed with the top voussoir and is adjacent to; This moment, jacking system was in Light Condition, and platform weight all is transferred on the locking device, increased the safety of platform; And in releasing process, platform weight is born by the top oil cylinder earlier during because of release, and the worm and gear drive assembly only need overcome self resistance just can realize light the action, has avoided occurring the stuck phenomenon of worm and gear.In addition; Since the present invention have additional to the pile leg locking piece lead with spacing fixing erection device assembly, and then make the pile leg locking piece locking or unlocking process in stable action, can prevent the run-off the straight of pile leg locking piece effectively; And release is stretched out lock pin through the lock pin oil cylinder after finishing; Can exactly the pile leg locking piece be fixed, increase its reliability, satisfy job requirements.
Description of drawings
Fig. 1 is the sketch map of the utility model released state.
Fig. 2 is the sketch map of the utility model locking state.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the B-B sectional view of Fig. 2.
The specific embodiment
Below in conjunction with specific embodiment the present invention is described further.
Shown in accompanying drawing 1 to accompanying drawing 4; The described pile leg locking structure of present embodiment with the high-voltage oil cylinder release; It includes seat assembly 4 behind seat assembly 2 behind top drive assembly 1, the top voussoir, side direction pull action cylinder assembly 3, the bottom voussoir, pile leg locking piece 5, erection device assembly 6, bottom drive assembly 7; Wherein, Described top drive assembly 1 and bottom drive assembly 7 correspondences are installed in the upper and lower position of hull; And the pile leg locking piece 5 through tooth bar 15 both sides of climbing on the top voussoir that carries 8 and bottom voussoir 9 and the spud leg matches and acts on this tooth bar 15 that climbs respectively; Simultaneously correspondingly on hull the side direction pull action cylinder assembly 3 that acts on pile leg locking piece 5 is installed and corresponding pile leg locking piece 5 is led and spacing fixing erection device assembly 6; Make pile leg locking piece 5 to be meshed with the tooth bar 15 that climbs or to break away from through the side direction pull action cylinder assembly 3 and the acting in conjunction of bottom drive assembly 7, above-mentioned each top voussoir 8 and bottom voussoir 9 are led by seat assembly 4 behind seat assembly 2 behind the top voussoir of a side separately and the bottom voussoir respectively.In releasing process; Because the platform weight long-time bearing is on locking device; Cause easily release of locking device; To this situation; The top drive assembly 1 of this locking device is designed to include top oil cylinder 10, the top voussoir 8 that is fixedly connected with the piston rod of this top oil cylinder 10 and the worm and gear drive assembly 11 that cooperatively interacts with this top voussoir 8, and wherein, described worm and gear drive assembly 11 is mainly by worm gear 12, worm screw 13 and drive this worm gear 12 and the hydraulic motor 14 of worm screw 13 actions is formed.Such design makes that the effect of oil cylinder 10 drives top voussoir 8 knee-actions through the top, and hydraulic motor 4 can drive worm gear 12 and follow 8 actions of top voussoir with worm screw 13.In the locking process; After this locking device each several part was accomplished the locking basic operation, top oil cylinder 10 carried out high pressure and loads, and platform is promoted certain altitude; Worm and gear drive assembly 11 is followed with top voussoir 8 and is adjacent to; This moment, jacking system was in Light Condition, and platform weight all is transferred on this locking device, increased the safety of platform.And in releasing process; Top oil cylinder 10 carries out high pressure and loads; Make top voussoir 8 and worm and gear drive assembly 11 produce certain clearance, accomplish the release basic operation again, platform weight is born by top oil cylinder 10 earlier during here because of release; 11 needs of worm and gear drive assembly overcome self resistance just can be realized easily moving, and has avoided occurring the stuck phenomenon of worm gear 12 and worm screw 13.In addition; Because erection device assembly of the present invention 6 is mainly by being installed in baffle plate 16 on the hull, being installed in the lock pin oil cylinder 17 on this baffle plate 16 and driving flexible lock pin 18 by this lock pin oil cylinder 17 and form; Such design makes the present invention to drive lock pin 18 through lock pin oil cylinder 17 and to carry out freely stretching according to the needs of locking or release action, realizes guiding and the position-limiting action of pile leg locking piece 5 in locking or releasing process; Make pile leg locking piece 5 locking or releasing process in stable action; Can prevent pile leg locking piece 5 run-off the straight phenomenons effectively, and release is stretched out lock pin 18 through lock pin oil cylinder 17 after finishing, can be exactly that pile leg locking piece 5 is fixing; Increase its reliability, satisfy job requirements.Below be the detailed process of locking action of the present invention and release action: during locking action, the lock pin oil cylinder 17 of erection device assembly 6 at first moves, and drives lock pin 18 withdrawals; Let pile leg locking piece 5 be in free state, at this moment, pile leg locking piece 5 begins to press to the tooth bar 15 that climbs under the effect of side direction pull action cylinder assembly 3; When pile leg locking piece 5 fully with after the tooth bar 15 that climbs is meshed, bottom drive assembly 7 begins action, drives its bottom voussoir 9 risings; Simultaneously its bottom voussoir 9 by the bottom voussoir after seat assembly 4 lead, seat assembly 4 contacts with pile leg locking piece 5 behind the voussoir of bottom, when the bottom of bottom drive assembly 7 voussoir 9 complete in after pile leg locking piece 5 contacts; Top drive assembly 1 begins action at this moment, and its top oil cylinder 10 carries out high pressure and loads, and drives its top voussoir 8 and descends; Simultaneously its top voussoir 8 by the top voussoir after seat assembly 2 lead, seat assembly 2 contacts with pile leg locking piece 5 behind the voussoir of top, and is complete in after pile leg locking piece 5 contacts until top voussoir 8; The worm and gear drive assembly 11 of top drive assembly 1 is followed with top voussoir 8 and is adjacent to; Top voussoir 8 is worked to add press fit, and locking action of the present invention is accomplished in top oil cylinder 10 releases this moment; Accomplishing rear platform weight in locking will be delivered on the locking device by jacking system, make platform more safe and reliable; During the release action, top drive assembly 1 at first moves, and its top oil cylinder 10 carries out high pressure and loads; Drive top voussoir 8 decline certain distances, make top voussoir 8 and worm and gear drive assembly 11 have certain clearance, get on thereby make the platform weight of bearing by worm and gear drive assembly 11 originally transfer to top oil cylinder 10; This moment, the worm and gear drive assembly 11 began action, just can easily be returned to the origin-location through overcoming self resistance, behind worm and gear drive assembly 11 complete rollbacks; Oil cylinder 10 releases in top drive top voussoir 8 seat assembly 2 behind the voussoir of top and break away from pile leg locking piece 5, after top voussoir 8 breaks away from pile leg locking piece 5 fully; Bottom drive assembly 7 begins action, drives its bottom voussoir 9 and descends, after bottom voussoir 9 breaks away from pile leg locking piece 5 fully; Pile leg locking piece 5 begins to break away from the tooth bar 15 that climbs under the effect of side direction pull action cylinder assembly 3; Pile leg locking piece 5 after the disengaging fixes pile leg locking piece 5 after the lock pin 18 that the lock pin oil cylinder 17 of erection device assembly 6 drives this erection device assembly 6 stretches out, prevents its downslide; Completion release action, the weight of platform will be born by jacking system this moment.
The embodiment of the above only is the present invention's preferred embodiment, is not to limit practical range of the present invention with this, so the variation that all shapes according to the present invention, principle are done all should be encompassed in protection scope of the present invention.
Claims (2)
1. unlock method with the pile leg locking device of high-voltage oil cylinder release is characterized in that: during release, at first the top oil cylinder carries out high pressure and loads; Drive the top voussoir and descend, make to produce certain clearance between worm and gear drive assembly that the top voussoir is fixed and the top voussoir, thereby the platform weight that makes script born by the worm and gear drive assembly is transferred to the top oil cylinder and got on; This moment, the worm and gear drive assembly began action, just can easily be returned to the origin-location through overcoming self resistance, behind the complete rollback of worm and gear drive assembly; Top oil cylinder release drives top voussoir and pile leg locking piece and breaks away from, after the top voussoir breaks away from the pile leg locking piece fully; The bottom drive assembly begins action; Drive its bottom voussoir and descend, break away from the pile leg locking piece, after the bottom voussoir breaks away from the pile leg locking piece fully; The pile leg locking piece begins to break away from the tooth bar that climbs under the effect of side direction pulling force; Pile leg locking piece after the disengaging fixes pile leg locking piece after the lock pin of this erection device assembly of lock pin hydraulic oil cylinder driving of erection device assembly stretches out, prevents its downslide; Completion release action, the weight of platform will be born by jacking system this moment.
2. pile leg locking structure of carrying out release according to the said method of claim 1; It includes seat assembly (4) behind seat assembly (2) behind top drive assembly (1), the top voussoir, side direction pull action cylinder assembly (3), the bottom voussoir, pile leg locking piece (5), bottom drive assembly (7); Wherein, Described top drive assembly (1) and bottom drive assembly (7) correspondence are installed in the upper and lower position of hull; And the pile leg locking piece (5) through the tooth bar that climbs (15) both sides on the top voussoir (8) that carries and bottom voussoir (9) and the spud leg matches and acts on this tooth bar that climbs (15) respectively; Correspondence is equipped with the side direction pull action cylinder assembly (3) that acts on pile leg locking piece (5) on hull simultaneously; Make pile leg locking piece (5) to be meshed with the tooth bar that climbs (15) or to break away from through the side direction pull action cylinder assembly (3) and the acting in conjunction of bottom drive assembly (7), each above-mentioned top voussoir (8) and bottom voussoir (9) are led by seat assembly (4) behind seat assembly (2) and the bottom voussoir behind the top voussoir of a side separately respectively; It is characterized in that: it also includes to be installed on the hull and to corresponding pile leg locking piece (5) and leads and spacing fixing erection device assembly (6), and described erection device assembly (6) includes the baffle plate (16) that is installed on the hull, the lock pin (18) that is installed in the lock pin oil cylinder (17) on this baffle plate (16) and is stretched by this lock pin oil cylinder (17) driving; Described top drive assembly (1) includes top oil cylinder (10), the top voussoir (8) that is fixedly connected with the piston rod of this top oil cylinder (10) and the worm and gear drive assembly (11) that cooperatively interacts with this top voussoir (8); Wherein, described worm and gear drive assembly (11) is mainly by worm gear (12), worm screw (13) and drive this worm gear (12) and the hydraulic motor (14) of worm screw (13) action is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104190317A CN102518103A (en) | 2011-12-15 | 2011-12-15 | Unlocking method and structure of pile locking device unlocked by using high-pressure oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104190317A CN102518103A (en) | 2011-12-15 | 2011-12-15 | Unlocking method and structure of pile locking device unlocked by using high-pressure oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102518103A true CN102518103A (en) | 2012-06-27 |
Family
ID=46289147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104190317A Pending CN102518103A (en) | 2011-12-15 | 2011-12-15 | Unlocking method and structure of pile locking device unlocked by using high-pressure oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102518103A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938602A (en) * | 2014-03-21 | 2014-07-23 | 武汉船用机械有限责任公司 | Control method for hydraulic lifting system of ocean platform |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6030149A (en) * | 1995-10-13 | 2000-02-29 | Offshore Technology Development Pte Ltd | Self positioning fixation system and method of using the same |
| US20080279637A1 (en) * | 2005-02-04 | 2008-11-13 | Pierre-Armand Thomas | Complementary Locking System for Locking Legs to the Deck of an Offshore Drilling Platform and Methods for Installing One Such Locking System |
| CN201525488U (en) * | 2009-11-03 | 2010-07-14 | 上海振华重工(集团)股份有限公司 | Self-lifting type engineering platform locking device |
| CN101871208A (en) * | 2010-06-01 | 2010-10-27 | 崔峰 | Locking device with double spherical hinge bearing structure for pile legs of self-elevating drilling platform |
| CN101914911A (en) * | 2010-07-20 | 2010-12-15 | 崔锋 | Twin-worm locking device for self-elevating drilling platform |
| CN201704683U (en) * | 2010-05-21 | 2011-01-12 | 四川宏华石油设备有限公司 | Locking mechanism for lifting of ocean platform |
| CN102230843A (en) * | 2011-03-21 | 2011-11-02 | 吴平平 | Single-row locking device tester |
| CN202031074U (en) * | 2011-03-25 | 2011-11-09 | 上海振华重工(集团)股份有限公司 | Locking device for positioning self-elevating engineering platform |
-
2011
- 2011-12-15 CN CN2011104190317A patent/CN102518103A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6030149A (en) * | 1995-10-13 | 2000-02-29 | Offshore Technology Development Pte Ltd | Self positioning fixation system and method of using the same |
| US20080279637A1 (en) * | 2005-02-04 | 2008-11-13 | Pierre-Armand Thomas | Complementary Locking System for Locking Legs to the Deck of an Offshore Drilling Platform and Methods for Installing One Such Locking System |
| CN201525488U (en) * | 2009-11-03 | 2010-07-14 | 上海振华重工(集团)股份有限公司 | Self-lifting type engineering platform locking device |
| CN201704683U (en) * | 2010-05-21 | 2011-01-12 | 四川宏华石油设备有限公司 | Locking mechanism for lifting of ocean platform |
| CN101871208A (en) * | 2010-06-01 | 2010-10-27 | 崔峰 | Locking device with double spherical hinge bearing structure for pile legs of self-elevating drilling platform |
| CN101914911A (en) * | 2010-07-20 | 2010-12-15 | 崔锋 | Twin-worm locking device for self-elevating drilling platform |
| CN102230843A (en) * | 2011-03-21 | 2011-11-02 | 吴平平 | Single-row locking device tester |
| CN202031074U (en) * | 2011-03-25 | 2011-11-09 | 上海振华重工(集团)股份有限公司 | Locking device for positioning self-elevating engineering platform |
Non-Patent Citations (1)
| Title |
|---|
| 孙广斌等: "自升式钻井平台锁紧装置分析与调试技术研究", 《第十三届中国科协年会第13分会场-海洋工程装备发展论坛论文集》, 21 September 2011 (2011-09-21), pages 1 - 6 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938602A (en) * | 2014-03-21 | 2014-07-23 | 武汉船用机械有限责任公司 | Control method for hydraulic lifting system of ocean platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202031074U (en) | Locking device for positioning self-elevating engineering platform | |
| CN102923610A (en) | Hydraulic bolt lifting gear | |
| CN106144953A (en) | Motor vehicle repair car body lowering or hoisting gear | |
| CN102311046A (en) | Automatic electricity taking system and method for tire type container gantry crane | |
| CN103510459B (en) | Lifting opening and closing mechanism of perpendicular lifting type opening bridge | |
| CN206306981U (en) | A kind of collision prevention girders used for electric vehicle | |
| CN205998936U (en) | A kind of portable single-column lifting machine easy and simple to handle | |
| CN102518103A (en) | Unlocking method and structure of pile locking device unlocked by using high-pressure oil cylinder | |
| CN106567321A (en) | Vertical lifting mobile highway bridge | |
| CN204674614U (en) | Hydraulic pressure Overlay | |
| CN102518100A (en) | Pile leg locking device unlocked by using deformed worm-gear and method for unlocking pile leg locking device | |
| CN202401446U (en) | Pile leg locking device capable of being unlocked by high-pressure oil cylinder | |
| CN102838051B (en) | Jack capable of fast lifting | |
| CN202401445U (en) | Pile leg locking device capable of being unlocked by adjustable wedge backseats | |
| CN103821077A (en) | Auto-telescoping trestle bridge applicable to movable platforms | |
| CN218231419U (en) | Mine wellhead overhaul platform | |
| CN103874823A (en) | Locking mechanism | |
| CN203498738U (en) | Lifting open-close mechanism of vertical lifting type movable bridge | |
| CN201914437U (en) | Underwater load balancing-locking device for fin-plate instrument cabin | |
| CN202380972U (en) | Traveling telescopic derrick integrated drill | |
| CN102518101A (en) | Unlocking method for pile leg locking device unlocked by double worms and structure of unlocking method | |
| CN102061882A (en) | Multifunctional self-propelled tower-machine integrated core drill machine | |
| CN102518102A (en) | Pile locking method and device unlocked by using adjustable wedge block backseats | |
| CN107352443B (en) | Container shore bridge climbing by adopting hydraulic oil cylinder | |
| CN108529514A (en) | The continuous jacking system of spiral bolt-type and its elevating method for offshore platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120627 |