CN102518100A - Pile leg locking device unlocked by using deformed worm-gear and method for unlocking pile leg locking device - Google Patents
Pile leg locking device unlocked by using deformed worm-gear and method for unlocking pile leg locking device Download PDFInfo
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- CN102518100A CN102518100A CN201110418995XA CN201110418995A CN102518100A CN 102518100 A CN102518100 A CN 102518100A CN 201110418995X A CN201110418995X A CN 201110418995XA CN 201110418995 A CN201110418995 A CN 201110418995A CN 102518100 A CN102518100 A CN 102518100A
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Abstract
The invention relates to a pile leg locking device unlocked by using a deformed worm-gear and a method for unlocking the pile leg locking device. The pile leg locking device comprises a top transmission assembly, top wedge backseat assemblies, a lateral tension cylinder assembly, a bottom wedge backseat assemblies, pile leg locking blocks, a centralizer assembly and a bottom transmission assembly, wherein the top transmission assembly and the bottom transmission assembly are mounted on the upper portion and the lower portion of a ship hull, the lateral tension cylinder assembly and the centralizer assembly are mounted on the ship hull, each top wedge and each bottom wedge are guided by the top wedge backseat assembly on one side of the top wedge and the bottom wedge backseat assembly on one side of the bottom wedge respectively, each top transmission assembly comprises the corresponding top wedge and a high-torque deformed worm-gear transmission assembly, and each high-torque deformed worm-gear transmission assembly comprises a deformed worm wheel, a deformed worm and a hydraulic motor, wherein a meshing face of the deformed worm is a concave arc face, and the meshing face in contact with the deformed worm gear to form a sector meshing face. According to the technical scheme, the pile leg locking device is stable in action, and bearing capacity and storm resistance of a platform in operation are improved.
Description
Technical field
The present invention relates to the technical field of offshore boring island auxiliary equipment, refer in particular to the pile leg locking device and the unlock method thereof of the special-shaped worm and gear release of a kind of usefulness.
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.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, the pile leg locking device and the unlock method thereof of a kind of reliable, stable action reasonable in design, the raising platform special-shaped worm and gear release of usefulness of supporting capacity and weatherliness when operation is provided.
For realizing above-mentioned purpose; Its device of technical scheme provided by the present invention includes the top drive assembly; Seat assembly behind the voussoir of top; Side direction pull action cylinder assembly; Seat assembly behind the voussoir of bottom; The pile leg locking piece; The erection device assembly; The bottom drive assembly; Wherein, Described top drive assembly and bottom drive assembly correspondence be installed in hull on; Following position; And the pile leg locking piece by 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; Simultaneously correspondingly on hull the side direction pull action cylinder assembly that acts on the pile leg locking piece is installed and corresponding pile leg locking piece is led and spacing fixing erection device assembly; Make the pile leg locking piece to be meshed with the tooth bar that climbs or to break away from by 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; The big special-shaped worm and gear drive assembly of moment of torsion that described top drive assembly includes the top voussoir and drives this top voussoir oscilaltion; Wherein, described special-shaped worm and gear drive assembly is mainly by special-shaped worm gear that cooperatively interacts and special-shaped worm screw and drive this abnormal shape worm gear and the hydraulic motor of special-shaped worm screw action is formed; The field of conjugate action of described special-shaped worm screw is the arc surface of indent, contacts the back with special-shaped worm gear and forms a fan-shaped field of conjugate action.
Unlock method of the present invention is: during release, the top drive assembly at first moves, and contacting of the special-shaped worm screw through its special-shaped worm and gear drive assembly and special-shaped worm gear drives the top voussoir and rise to reach required big torsion; At this moment, top voussoir seat assembly and pile leg locking piece behind the voussoir of top break away from, when the top voussoir fully with the disengaging of pile leg locking piece after; The bottom drive assembly begins action, drives its bottom voussoir and descends, bottom voussoir seat assembly and the disengaging of pile leg locking piece behind the voussoir of bottom; 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 pull action cylinder assembly, through the erection device assembly pile leg locking piece is fixed at last, accomplishes the release action; At this moment, platform weight will be born by jacking system.
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.Because top of the present invention drive assembly adopts the mode of special-shaped worm and gear transmission; Simultaneously should the abnormal shape worm and gear different with the standard worm and gear, special-shaped worm engaging face be the arc surface of indent, contacts the back with special-shaped worm gear and forms a fan-shaped field of conjugate action; Total number of teeth in engagement and contact area have been increased; Thereby improved the supporting capacity and the efficient of special-shaped worm and gear, so in releasing process, can realize the light release of locking device through this abnormal shape worm and gear transmission.
Description of drawings
Fig. 1 is the sketch map of released state of the present invention.
Fig. 2 is the sketch map of locking state of the present invention.
Fig. 3 is the A-A 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 3; The pile leg locking device of the special-shaped worm and gear release of the described usefulness of present embodiment; 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 14 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 14 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 14 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 adopts the mode of the big special-shaped worm and gear transmission of moment of torsion, the big special-shaped worm and gear drive assembly 10 of moment of torsion that it includes top voussoir 8 and drives these top voussoir 8 oscilaltions; Wherein, described special-shaped worm and gear drive assembly 10 mainly by the special-shaped worm gear that cooperatively interacts 11 with special-shaped worm screw 12 and drive this abnormal shape worm gear 11 and form with the hydraulic motor 13 of special-shaped worm screw 12 actions.Because the field of conjugate action of the special-shaped worm screw 12 that the present invention adopts is the arc surface of indent; Contact the back with special-shaped worm gear 11 and form a fan-shaped field of conjugate action; Total number of teeth in engagement and contact area have been increased; Thereby improved the supporting capacity and the efficient of special-shaped worm and gear, so in releasing process, the present invention can realize the light release of locking device through special-shaped worm and gear drive assembly 10.Below be the detailed process of locking action of the present invention and release action: during locking action, at first pile leg locking piece 5 is pressed to the tooth bar 14 that climbs under the effect of side direction pull action cylinder assembly 3, in this process; 6 pairs of pile leg locking pieces 5 of erection device assembly play the guiding role, when pile leg locking piece 5 fully with after the tooth bar 16 that climbs is meshed, bottom drive assembly 7 begins to move; Having driven bottom voussoir 9 rises; Bottom voussoir 9 seat assembly 4 behind the voussoir of bottom contact with pile leg locking piece 5, when the bottom of bottom drive assembly 7 voussoir 9 fully with after pile leg locking piece 5 contacts, top drive assembly 1 begins to move at this moment; Descend through its special-shaped worm and gear drive assembly 10 drive top voussoirs 8; Top voussoir 8 seat assembly 2 behind the voussoir of top contacts with pile leg locking piece 5, until top voussoir 8 contact with pile leg locking piece 5 fully fix after, accomplish locking action of the present invention; Locking is accomplished rear platform weight and will be delivered on the locking device by jacking system, makes platform more safe and reliable; In release when action,, top drive assembly 1 at first move, and the special-shaped worm screw 12 through its special-shaped worm and gear drive assembly 10 drives voussoir 8 risings in top with contacting of special-shaped worm gear 11 to reach required big torsion; At this moment, top voussoir 8 seat assembly 2 behind the voussoir of top breaks away from pile leg locking piece 5, when top voussoir 8 fully with 5 disengagings of pile leg locking piece after; This moment bottom drive assembly 7 begins action, drives its bottom voussoir 9 and descends, and bottom voussoir 9 seat assembly 4 behind the voussoir of bottom breaks away from pile leg locking piece 5; 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 14 that climbs under the effect of side direction pull action cylinder assembly 3, fixes through 6 pairs of pile leg locking pieces of erection device assembly at last, accomplishes the release action; At this moment, platform weight will be born by jacking system.
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. pile leg locking device with special-shaped worm and gear 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) correspondence are installed in the upper and lower position of hull; And the pile leg locking piece (5) through the tooth bar that climbs (14) 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 (14) respectively; Simultaneously correspondence is equipped with the side direction pull action cylinder assembly (3) that acts on pile leg locking piece (5) and corresponding pile leg locking piece (5) is led and spacing fixing erection device assembly (6) on hull; Make pile leg locking piece (5) to be meshed with the tooth bar that climbs (14) 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: the big special-shaped worm and gear drive assembly (10) of moment of torsion that described top drive assembly (1) includes top voussoir (8) and drives this top voussoir (8) oscilaltion; Wherein, described special-shaped worm and gear drive assembly (10) mainly by the special-shaped worm gear (11) that cooperatively interacts and special-shaped worm screw (12) and drive should abnormal shape worm gear (11) and the hydraulic motor (13) that moves of special-shaped worm screw (12) form; The field of conjugate action of described special-shaped worm screw (12) is the arc surface of indent, contacts the back with special-shaped worm gear (11) and forms a fan-shaped field of conjugate action.
2. the unlock method of the pile leg locking device of the special-shaped worm and gear release of the described usefulness of claim 1, it is characterized in that: during release, the top drive assembly at first moves; Contacting of special-shaped worm screw through its special-shaped worm and gear drive assembly and special-shaped worm gear drives the top voussoir and rises to reach required big torsion, at this moment, and top voussoir seat assembly and the disengaging of pile leg locking piece behind the voussoir of top; When the top voussoir fully with the disengaging of pile leg locking piece after; The bottom drive assembly begins action, drives its bottom voussoir and descends, bottom voussoir seat assembly and the disengaging of pile leg locking piece behind the voussoir of bottom; 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 pull action cylinder assembly, through the erection device assembly pile leg locking piece is fixed at last, accomplishes the release action; At this moment, platform weight will be born by jacking system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110418995XA CN102518100A (en) | 2011-12-15 | 2011-12-15 | Pile leg locking device unlocked by using deformed worm-gear and method for unlocking pile leg locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110418995XA CN102518100A (en) | 2011-12-15 | 2011-12-15 | Pile leg locking device unlocked by using deformed worm-gear and method for unlocking pile leg locking device |
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| Publication Number | Publication Date |
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| CN102518100A true CN102518100A (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110418995XA Pending CN102518100A (en) | 2011-12-15 | 2011-12-15 | Pile leg locking device unlocked by using deformed worm-gear and method for unlocking pile leg locking device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064310A (en) * | 2015-07-03 | 2015-11-18 | 武汉船用机械有限责任公司 | Locking mechanism of rack-and-pinion lifting system |
| CN107386242A (en) * | 2017-06-01 | 2017-11-24 | 武汉船用机械有限责任公司 | A kind of locking device of gear rack lifting system |
| CN108223730A (en) * | 2016-12-10 | 2018-06-29 | 枣庄福德通用机械有限公司 | The worm gear locking device of big yield electrolytic descaling tank |
| CN109487770A (en) * | 2018-10-29 | 2019-03-19 | 广州黄船海洋工程有限公司 | A kind of locking device of rack gear spud leg main chord tube |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3343371A (en) * | 1965-01-25 | 1967-09-26 | Mcdermott & Co Inc J Ray | Locking device for establishing a loadbearing joint between two structures |
| CN201574386U (en) * | 2009-12-14 | 2010-09-08 | 上海振华重工(集团)股份有限公司 | Worm gear jacking machine |
| 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 |
| CN102180238A (en) * | 2011-04-15 | 2011-09-14 | 宝鸡石油机械有限责任公司 | Locking device of self-elevating platform |
| 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 |
| CN202401443U (en) * | 2011-12-15 | 2012-08-29 | 广东精铟机械有限公司 | Pile leg locking device capable of being unlocked by specially-shaped gear and specially-shaped worm |
-
2011
- 2011-12-15 CN CN201110418995XA patent/CN102518100A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3343371A (en) * | 1965-01-25 | 1967-09-26 | Mcdermott & Co Inc J Ray | Locking device for establishing a loadbearing joint between two structures |
| CN201574386U (en) * | 2009-12-14 | 2010-09-08 | 上海振华重工(集团)股份有限公司 | Worm gear jacking machine |
| 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 |
| 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 |
| CN102180238A (en) * | 2011-04-15 | 2011-09-14 | 宝鸡石油机械有限责任公司 | Locking device of self-elevating platform |
| CN202401443U (en) * | 2011-12-15 | 2012-08-29 | 广东精铟机械有限公司 | Pile leg locking device capable of being unlocked by specially-shaped gear and specially-shaped worm |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064310A (en) * | 2015-07-03 | 2015-11-18 | 武汉船用机械有限责任公司 | Locking mechanism of rack-and-pinion lifting system |
| CN108223730A (en) * | 2016-12-10 | 2018-06-29 | 枣庄福德通用机械有限公司 | The worm gear locking device of big yield electrolytic descaling tank |
| CN107386242A (en) * | 2017-06-01 | 2017-11-24 | 武汉船用机械有限责任公司 | A kind of locking device of gear rack lifting system |
| CN107386242B (en) * | 2017-06-01 | 2019-08-27 | 武汉船用机械有限责任公司 | A kind of locking device of gear rack lifting system |
| CN109487770A (en) * | 2018-10-29 | 2019-03-19 | 广州黄船海洋工程有限公司 | A kind of locking device of rack gear spud leg main chord tube |
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Application publication date: 20120627 |