CN103924568A - Pile leg righting device - Google Patents
Pile leg righting device Download PDFInfo
- Publication number
- CN103924568A CN103924568A CN201410123361.5A CN201410123361A CN103924568A CN 103924568 A CN103924568 A CN 103924568A CN 201410123361 A CN201410123361 A CN 201410123361A CN 103924568 A CN103924568 A CN 103924568A
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- CN
- China
- Prior art keywords
- sleeve
- pressing plate
- pull bar
- spud leg
- elastomeric element
- 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.)
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Abstract
The invention discloses a pile leg righting device, and belongs to the field of marine engineering equipment. The pile leg righting device comprises a sleeve, a draw bar, a first locking nut, elastic components, a pressure plate, a connecting piece and a guide device. The sleeve is fixed onto a ship of a marine platform, and the guide device is attached onto a pile leg; the draw bar, the elastic components and the pressure plate are positioned in the sleeve, the axial direction of the draw bar is identical to the length direction of the sleeve, an end cover is arranged at the tail end of the sleeve, a through hole is formed in the end cover, the draw bar can penetrate the through hole, external threads are arranged at one end of the draw bar, the draw bar is connected with the first locking nut by the external threads, the other end of the draw bar is fixedly connected with the pressure plate, the elastic components sleeve the draw bar and are positioned between the pressure plate and the end cover, the connecting piece is positioned at the head end of the sleeve, one end of the connecting piece is fixed onto the pressure plate, and the other end of the connecting piece is connected with the guide device. The pile leg righting device has the advantages that the pile leg can keep in a vertical state by the aid of the pile leg righting device and can be effectively prevented from being damaged by a pile fixing frame, and normal lifting movement of a lifting system of the marine platform can be guaranteed.
Description
Technical field
The present invention relates to offshore engineering equipment field, particularly a kind of spud leg erection device.
Background technology
Lifting of ocean platform system comprises spud leg and wedge bracket, and wedge bracket and hull are fixed, and wedge bracket can drive hull to move up and down along spud leg.Spud leg is divided into truss framed leg and cylinder formula spud leg conventionally.
Wherein, existing cylinder formula spud leg is generally the enclosed construction that become by Plate Welding, according to its section configuration, can be divided into again square box structure and cylinder type structure, is generally used for the jack-up unit below operating water depth 60m.
In realizing process of the present invention, inventor finds that prior art at least exists following problem:
In the lifting process of lifting of ocean platform system, may there is the situation that spud leg tilts in cylinder formula spud leg, if there is this situation, wedge bracket easily damages spud leg, has a strong impact on the elevating movement of lifting of ocean platform system.
Summary of the invention
In order to solve the problem that in prior art, wedge bracket easily damages spud leg, the embodiment of the present invention provides a kind of spud leg erection device.Described technical scheme is as follows:
The embodiment of the present invention provides a kind of spud leg erection device, be applicable to be connected between ocean platform hull and spud leg, described device comprises: be fixed on sleeve, pull bar, the first locking nut, elastomeric element, pressing plate, the connector on described ocean platform hull and be attached to the guiding device on described spud leg.
Described pull bar, described elastomeric element and described pressing plate are all positioned at described sleeve, the axis direction of described pull bar is identical with the length direction of described sleeve, the tail end of described sleeve be provided with end cap, on described end cap, be provided with the through hole passing for described pull bar, one end of described pull bar is provided with external screw thread and is connected with described the first locking nut by described external screw thread, described the first locking nut is positioned at outside described sleeve, the other end of described pull bar is fixedly connected with described pressing plate, described elastomeric element is set on the described pull bar between described pressing plate and described end cap, described connector is positioned at the head end of described sleeve, one end of described connector is fixed on described pressing plate, the other end of described connector is connected with described guiding device.
Particularly, described elastomeric element is dish spring.
Further, the original state of described elastomeric element is compressive state.
Particularly, described guiding device comprises: main shaft, two connecting plates that are arranged in parallel, two guide wheel shafts and two guide wheels, two described connecting plates are fixed on the two ends of described main shaft, described two guide wheel shafts are rotatably arranged on two described connecting plates, described two guide wheel shafts be arranged in parallel with described main shaft and described two guide wheel shafts are positioned at the relative both sides of described main shaft, described two guide wheels are arranged on respectively on described two guide wheel shafts, described two guide wheels between two described connecting plates and described two guide wheels along the length direction of described spud leg, be attached on described spud leg, one end of described main shaft and described connector is rotatably connected, one end of described connector is between described two connecting plates, the length direction of described main shaft is vertical with the length direction of described pull bar.
Further, the head end of described sleeve is also provided with sleeve pressing plate, described sleeve pressing plate, between described main shaft and described pressing plate, is provided with the rectangular through-hole of passing for described connector on described sleeve pressing plate, one end that described connector connects described pressing plate is rectangle.
Particularly, described device also comprises adjustment screw, on described end cap, be provided with the screwed hole matching with described adjustment screw, described adjustment screw stretches in described sleeve through described screwed hole, and the axis direction of described adjustment screw is identical with the length direction of described sleeve.
Particularly, between described end cap and described elastomeric element, be provided with gripper shoe.
Particularly, between described pressing plate and described elastomeric element, be provided with backing plate.
Further, be provided with the second locking nut on described pull bar, described the second locking nut is against on described backing plate and is positioned at described elastomeric element.
Particularly, described connector is hanger.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: the spud leg erection device that the embodiment of the present invention provides, spud leg that can the oblique spud leg erection device of righting side, spud leg erection device can be arranged a plurality of along the even circumferential of spud leg, a plurality of spud leg erection devices can cooperatively interact, thereby keep spud leg in vertical state, effectively prevent that wedge bracket from damaging spud leg, and guarantee the normal elevating movement of lifting of ocean platform system.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the spud leg erection device structural representation that the embodiment of the present invention provides.
The specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment
The embodiment of the present invention provides a kind of spud leg erection device, as shown in Figure 1, this device (is for example applicable to be connected to ocean platform hull, wedge bracket a or boat deck) and and spud leg b between, this device comprises: be fixed on sleeve 1, pull bar 2, the first locking nut 3, elastomeric element 4, pressing plate 5, the connector 8 on ocean platform hull and be attached to the guiding device 6 on spud leg b.
Pull bar 2, elastomeric element 4 and pressing plate 5 are all positioned at sleeve 1, the axis direction of pull bar 2 is identical with the length direction of sleeve 1, the tail end of sleeve 1 be provided with end cap 7, on end cap 7, be provided with the through hole passing for pull bar 2, one end of pull bar 2 is provided with external screw thread and is connected with the first locking nut 3 by this external screw thread, the first locking nut 3 is positioned at outside sleeve 1, the other end of pull bar 2 is fixedly connected with pressing plate 5, elastomeric element 4 is set in (1 pair of elastomeric element 4 of sleeve play the guiding role) on the pull bar 2 between pressing plate 5 and end cap 7, connector 8 is positioned at the head end of sleeve 1, one end of connector 8 is fixed on (its fixed form can be welding) on pressing plate 5, the other end of connector 8 is connected with guiding device 6.
Wherein, pressing plate 5 can be for being threaded with pull bar 2, and pull bar 2 can be Full threaded rod, also can establish threaded threaded rod for two ends.Sleeve 1 can be fixed on ocean platform hull by junction plate 13.
Particularly, elastomeric element 4 is dish spring.The quantity of dish spring can arrange according to actual needs, by controlling the quantity of dish spring, can adjust the compressive force being provided by dish spring.Easily know, in other embodiments, elastomeric element 4 can also be the elastomeric elements such as helical spring.
Further, the original state of elastomeric element 4 can be compressive state.The elastomeric element 4 of compressive state provides larger compressive force can to spud leg b, further prevents that spud leg b from tilting.
Particularly, this guiding device 6 comprises: main shaft 6a, two connecting plate 6b that are arranged in parallel, two guide wheel shaft 6c and two guide wheel 6d, two connecting plate 6b are fixed on the two ends of main shaft 6a, two guide wheel shaft 6c are rotatably arranged on two connecting plate 6b, two guide wheel shaft 6c be arranged in parallel with main shaft 6a and two guide wheel shaft 6c are positioned at the relative both sides of main shaft 6a, two guide wheel 6d are arranged on respectively on two guide wheel shaft 6c, two guide wheel 6d between two connecting plate 6b and two guide wheel shaft 6c along the length direction of spud leg b, be attached on spud leg b, one end of main shaft 6a and connector 8 is rotatably connected, one end of connector 8 is between two connecting plate 6b, the length direction of main shaft 6a is vertical with the length direction of pull bar 2.Wherein, the guiding device 6 being connected with connector 8 can be along the circumference rotation of main shaft 6a.By guide wheel 6d free to rotate and spud leg b, attach, can reduce the frictional force between guiding device 6 and spud leg b.
It should be noted that, in other embodiments, the chute (not shown) that this guiding device 6 can also match for the shape with spud leg b, this chute and connector 8 are rotatably connected by rotating shaft, when spud leg b is cylinder type, the face that this chute contacts with spud leg b can be circular arc, and when spud leg b is square box structure, the face that this chute contacts with spud leg b can be V-shape.
Further, the head end of sleeve 1 is also provided with sleeve pressing plate 9, and sleeve pressing plate 9, between main shaft 6a and pressing plate 5, is provided with the rectangular through-hole of passing for connector 8 on sleeve pressing plate 9, and one end that connector 8 connects pressing plate connector 8 is rectangle.Between rectangular through-hole and connector 8, keep certain gap, and the rectangular through-hole on sleeve pressing plate 9 can effectively prevent that connector 8 from rotating at vertical direction, thereby guaranteed that two guide wheel 6d can arrange in vertical direction, and then effectively support the deflection of spud leg b, because device provided by the invention can carry out righting to a side of spud leg b, therefore, when this spud leg erection device of actual layout, can on the circumference of a spud leg b, be evenly arranged 4 these spud leg erection devices, or more these spud leg erection devices of layout, thereby effectively prevent that spud leg b is in the deflection of all directions of its circumference.
Wherein, sleeve pressing plate 9 can be fixedly connected with sleeve 1 by screw.
Particularly, this device can also comprise adjustment screw 10, is provided with the screwed hole matching with adjustment screw 10 on end cap 7, and adjustment screw 10 stretches in sleeve 1 through screwed hole, and the axis direction of adjustment screw 10 is identical with the length direction of sleeve 1.By turn adjustment screw 10, to the stem direction of sleeve 1, move and can promote 9 motions of butterfly spring.
Particularly, between end cap 7 and elastomeric element 4, be provided with gripper shoe 11, wherein, adjustment screw 10 is against in gripper shoe 11 through screwed hole, by this gripper shoe 11, can transmit the load of coming by support elastic parts 4, meanwhile, the compressive force that this gripper shoe 11 also can provide adjustment screw 10 passes to elastomeric element 4, and because gripper shoe 11 is larger with the contact area of elastomeric element 4, the compressive force that adjustment screw 10 is transmitted can evenly pass to elastomeric element 4.
Particularly, between pressing plate 5 and elastomeric element 4, be provided with backing plate 12.Wherein, pressing plate 5 is selected the good material of welding performance, for example: mild steel, backing plate 12 can be selected the high hardness material with wear-resisting functions, for pressing plate 5 and elastomeric element 4 are separated, prevents that pressing plate 5 from directly contacting with elastomeric element 4 and produce wearing and tearing.Wherein, backing plate 12 can be for being threaded with pull bar 2.
Further, be provided with the second locking nut 3a on pull bar 2, the second locking nut 3a is against on backing plate 12 and is positioned at elastomeric element 4.This pull bar 2 can be full thread structure, and the second locking nut 3a can compress backing plate 12 and pressing plate 5 prevent to become flexible.On the sidewall of the first locking nut 3 and the second locking nut 3a, screw hole can be set, by trip bolt being installed in screw hole for fastening the first locking nut 3 and the second locking nut 3a, prevent that the first locking nut 3 and the second locking nut 3a are loosening.
Particularly, connector 8 is hanger.
Particularly, between main shaft 6a and connector 8, be provided with bearing, between guide wheel shaft 6c and guide wheel 6d, be provided with bearing.This bearing can make to rotate more smooth and easy.
The operating principle of spud leg erection device provided by the invention is as follows:
Before one action assembling, need compress elastomeric element 4, make elastomeric element 4 can produce the compressive force towards sleeve 1 head end along the axis direction of sleeve 1, specific implementation is for screwing the first locking nut 3, impel pull bar 2 to stretch out to the tail end of sleeve 1, pull bar 2 band dynamic pressure plate 5 and the common elasticity of compression parts 4 of backing plate 12, and then make elastomeric element 4 can produce compressive force, and by controlling the extension elongation of pull bar 2, can control the size of this compressive force, guarantee that this compressive force is greater than the offset loading force that spud leg b produces when deflection, compress complete, the junction plate of this spud leg erection device 13 and wedge bracket a are welded together, and guarantee that the rear guide wheel 6d of welding and spud leg b fit, this spud leg b can keep vertical state always.
When one action complete, when secondary work starts, spud leg b may be because the factors such as working condition, environmental load affect deflection in the opposite direction, guide wheel 6d no longer fits with spud leg b simultaneously, therefore need to unclamp the first locking nut 3, and adjust adjustment screw 10, guide wheel 6d and spud leg b are fitted again, meanwhile, continue to turn adjustment screw 10 and make elastomeric element 4 compressions, and then produce certain compressive force.
The spud leg erection device that the embodiment of the present invention provides, spud leg that can the oblique spud leg erection device of righting side, spud leg erection device can be arranged a plurality of along the even circumferential of spud leg, a plurality of spud leg erection devices can cooperatively interact, thereby keep spud leg near vertical state, make spud leg deflection within controlled range, effectively prevent that wedge bracket from damaging spud leg, and guarantee the normal elevating movement of lifting of ocean platform system.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a spud leg erection device, be applicable to be connected between ocean platform hull and spud leg, it is characterized in that, described device comprises: be fixed on sleeve, pull bar, the first locking nut, elastomeric element, pressing plate, the connector on described ocean platform hull and be attached to the guiding device on described spud leg;
Described pull bar, described elastomeric element and described pressing plate are all positioned at described sleeve, the axis direction of described pull bar is identical with the length direction of described sleeve, the tail end of described sleeve be provided with end cap, on described end cap, be provided with the through hole passing for described pull bar, one end of described pull bar is provided with external screw thread and is connected with described the first locking nut by described external screw thread, described the first locking nut is positioned at outside described sleeve, the other end of described pull bar is fixedly connected with described pressing plate, described elastomeric element is set on the described pull bar between described pressing plate and described end cap, described connector is positioned at the head end of described sleeve, one end of described connector is fixed on described pressing plate, the other end of described connector is connected with described guiding device.
2. device according to claim 1, is characterized in that, described elastomeric element is dish spring.
3. device according to claim 2, is characterized in that, the original state of described elastomeric element is compressive state.
4. according to the device described in claim 1-3 any one, it is characterized in that, described guiding device comprises: main shaft, two connecting plates that are arranged in parallel, two guide wheel shafts and two guide wheels, two described connecting plates are fixed on the two ends of described main shaft, described two guide wheel shafts are rotatably arranged on two described connecting plates, described two guide wheel shafts be arranged in parallel with described main shaft and described two guide wheel shafts are positioned at the relative both sides of described main shaft, described two guide wheels are arranged on respectively on described two guide wheel shafts, described two guide wheels between two described connecting plates and described two guide wheels along the length direction of described spud leg, be attached on described spud leg, one end of described main shaft and described connector is rotatably connected, one end of described connector is between described two connecting plates, the length direction of described main shaft is vertical with the length direction of described pull bar.
5. device according to claim 4, it is characterized in that, the head end of described sleeve is also provided with sleeve pressing plate, described sleeve pressing plate is between described main shaft and described pressing plate, on described sleeve pressing plate, be provided with the rectangular through-hole of passing for described connector, one end that described connector connects described pressing plate is rectangle.
6. device according to claim 1, it is characterized in that, described device also comprises adjustment screw, on described end cap, be provided with the screwed hole matching with described adjustment screw, described adjustment screw stretches in described sleeve through described screwed hole, and the axis direction of described adjustment screw is identical with the length direction of described sleeve.
7. device according to claim 1, is characterized in that, between described end cap and described elastomeric element, is provided with gripper shoe.
8. device according to claim 1, is characterized in that, between described pressing plate and described elastomeric element, is provided with backing plate.
9. device according to claim 8, is characterized in that, is provided with the second locking nut on described pull bar, and described the second locking nut is against on described backing plate and is positioned at described elastomeric element.
10. device according to claim 1, is characterized in that, described connector is hanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410123361.5A CN103924568B (en) | 2014-03-28 | 2014-03-28 | A kind of spud leg erection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410123361.5A CN103924568B (en) | 2014-03-28 | 2014-03-28 | A kind of spud leg erection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103924568A true CN103924568A (en) | 2014-07-16 |
| CN103924568B CN103924568B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410123361.5A Active CN103924568B (en) | 2014-03-28 | 2014-03-28 | A kind of spud leg erection device |
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| Country | Link |
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| CN (1) | CN103924568B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908768A (en) * | 2016-05-27 | 2016-08-31 | 宜兴市太湖地基工程有限公司 | Connection element for cylindrical pile foundation |
| CN108792410A (en) * | 2018-07-10 | 2018-11-13 | 武汉商学院 | Gap is adjustable guide wheel device |
| CN110481711A (en) * | 2019-07-18 | 2019-11-22 | 浙江华东建设工程有限公司 | Offshore exploration platform spud leg erection device |
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| CN101845808A (en) * | 2010-02-22 | 2010-09-29 | 中国石油集团海洋工程有限公司 | Cylindrical spud leg guiding and pile-fixing structure of jack-up platform |
| CN102444110A (en) * | 2011-09-28 | 2012-05-09 | 中国石油大学(华东) | Offshore multi-directional self-elevating petroleum drilling platform |
| CN102660950A (en) * | 2012-05-29 | 2012-09-12 | 中国海洋石油总公司 | Guiding centralizer mechanism for single-pile foundation of offshore wind turbine |
| CN102787590A (en) * | 2011-05-17 | 2012-11-21 | 中国石油化工集团公司 | Hydraulic lifting pile righting guide device for offshore jack-up platform |
| DE102012002545A1 (en) * | 2012-02-09 | 2013-08-14 | Benno Zimmermann | Pier for transition of e.g. people into boat, has lift provided with person platform and attached at outer side of installation, where platform is lifted and lowered in vertical direction by lift motor and brought up to height of bar |
| KR20140003878A (en) * | 2012-06-29 | 2014-01-10 | 삼성중공업 주식회사 | Floating structure |
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2014
- 2014-03-28 CN CN201410123361.5A patent/CN103924568B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845808A (en) * | 2010-02-22 | 2010-09-29 | 中国石油集团海洋工程有限公司 | Cylindrical spud leg guiding and pile-fixing structure of jack-up platform |
| CN102787590A (en) * | 2011-05-17 | 2012-11-21 | 中国石油化工集团公司 | Hydraulic lifting pile righting guide device for offshore jack-up platform |
| CN102444110A (en) * | 2011-09-28 | 2012-05-09 | 中国石油大学(华东) | Offshore multi-directional self-elevating petroleum drilling platform |
| DE102012002545A1 (en) * | 2012-02-09 | 2013-08-14 | Benno Zimmermann | Pier for transition of e.g. people into boat, has lift provided with person platform and attached at outer side of installation, where platform is lifted and lowered in vertical direction by lift motor and brought up to height of bar |
| CN102660950A (en) * | 2012-05-29 | 2012-09-12 | 中国海洋石油总公司 | Guiding centralizer mechanism for single-pile foundation of offshore wind turbine |
| KR20140003878A (en) * | 2012-06-29 | 2014-01-10 | 삼성중공업 주식회사 | Floating structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908768A (en) * | 2016-05-27 | 2016-08-31 | 宜兴市太湖地基工程有限公司 | Connection element for cylindrical pile foundation |
| CN108792410A (en) * | 2018-07-10 | 2018-11-13 | 武汉商学院 | Gap is adjustable guide wheel device |
| CN110481711A (en) * | 2019-07-18 | 2019-11-22 | 浙江华东建设工程有限公司 | Offshore exploration platform spud leg erection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103924568B (en) | 2016-08-31 |
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