CN108397148B - Multi-degree-of-freedom adjustable flexible hoisting bolting structure - Google Patents
Multi-degree-of-freedom adjustable flexible hoisting bolting structure Download PDFInfo
- Publication number
- CN108397148B CN108397148B CN201810122861.5A CN201810122861A CN108397148B CN 108397148 B CN108397148 B CN 108397148B CN 201810122861 A CN201810122861 A CN 201810122861A CN 108397148 B CN108397148 B CN 108397148B
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- connecting lock
- sliding
- sleeve
- face
- freedom
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/04—Manipulators for underwater operations, e.g. temporarily connected to well heads
Abstract
The invention relates to a multi-degree-of-freedom adjustable flexible hoisting bolting structure, which is characterized in that: the lifting and fixing device comprises a lifting and fixing device and a lifting and sliding device which is connected with the lifting and fixing device in a sliding manner, wherein the lifting and fixing device comprises a suspension support fixedly arranged on a central beam and a sleeve which is arranged at the lower end of the suspension support and is in the shape of an inverted hollow boss, an annular connecting lock washer is arranged in the sleeve in a sliding manner, and an annular bulge for preventing the connecting lock washer from falling off from the sleeve is arranged on the inner side wall of the bottom end of the sleeve; the hoisting sliding device comprises a stepped cylindrical piston connecting lock, the small-diameter end of the piston connecting lock penetrates through the connecting lock washer and extends into the sleeve, a locking device enabling the lower end face of the connecting lock washer to be tightly attached to the small step face of the piston connecting lock is arranged at the small-diameter end of the piston connecting lock, and an elastic part is arranged between the upper end face of the connecting lock washer and the lower end face of the suspension support.
Description
Technical Field
The invention relates to a multi-degree-of-freedom adjustable flexible hoisting bolting structure, and belongs to the field of petroleum development.
Background
In recent years, the petroleum industry gradually develops to deep sea water, an underwater production system becomes an important technology for exploiting offshore oil and gas fields, and the advanced degree of equipment used for deep sea development often becomes a key factor for determining development results. The underwater control module SCM is a core device of the underwater control system, controls an underwater Christmas tree or other underwater devices, monitors the states of the oil extraction devices and media, and feeds back the information of the seabed oil extraction state to the offshore device in time. SCM is the highly integrated key functional unit of electromechanical liquid in the production system under water, realizes the seabed and retrieves and carry out underwater installation again and can improve resource utilization in SCM's use life cycle, reduces oil development cost, but SCM and transfer mechanism adoption among the prior art are rigid connection, are difficult to guarantee to transfer instrument and SCM centering, and can take place to destroy the rigidity collision of stable in structure in the butt joint process, in addition, transfer mechanism butt joint's combination precision requirement is also high.
Disclosure of Invention
Aiming at the problems in the background art, the invention aims to provide a multi-degree-of-freedom adjustable flexible hoisting bolting structure with buffering performance.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an adjustable flexible hoist bolt connection structure of multi freedom which characterized in that: the lifting and fixing device comprises a lifting and fixing device and a lifting and sliding device which is connected with the lifting and fixing device in a sliding manner, wherein the lifting and fixing device comprises a suspension support fixedly arranged on a central beam and a sleeve which is arranged at the lower end of the suspension support and is in the shape of an inverted hollow boss, an annular connecting lock washer is arranged in the sleeve in a sliding manner, and an annular bulge for preventing the connecting lock washer from falling off from the sleeve is arranged on the inner side wall of the bottom end of the sleeve; the hoisting sliding device comprises a stepped cylindrical piston connecting lock, the small-diameter end of the piston connecting lock penetrates through the connecting lock washer and extends into the sleeve, a locking device enabling the lower end face of the connecting lock washer to be tightly attached to the small step face of the piston connecting lock is arranged at the small-diameter end of the piston connecting lock, and an elastic part is arranged between the upper end face of the connecting lock washer and the lower end face of the suspension support.
Hang and support including the chassis and set up be rectangular bodily form's fixed block on the chassis, it hangs the locating pin to slide to be provided with two in the fixed block, the both ends that hang the locating pin set up in the waist type hole that corresponds the setting on the central beam in both sides, hang the locating pin with waist type hole sliding fit, two tip that hang the locating pin are provided with and are used for preventing hang the locating pin follow split pin that drops in the central beam, fixed block and two there is clearance between the central beam, on the central beam, be close to the one end of split pin is provided with and is used for the protection piece of central beam surface.
The locking device comprises a connecting lock round nut in threaded fit with the small-diameter end of the piston connecting lock, the lower end of the connecting lock round nut is a first cambered surface, the upper end of the connecting lock washer is provided with a second cambered surface in fit with the first cambered surface, and the upper end of the connecting lock round nut is provided with a large locking nut used for locking the connecting lock round nut at the small-diameter end of the piston connecting lock.
The piston connecting lock is characterized in that a cylindrical shaft is arranged at the lower end of the small-diameter end of the piston connecting lock, a guide cover is fixedly arranged at the bottom of the sleeve through threads, a square hole which is beneficial for the cylindrical shaft of the piston connecting lock to penetrate through is formed in the guide cover, and the cylindrical shaft of the piston connecting lock cannot rotate in the square hole.
The lower end of the piston connecting lock cylindrical shaft is a large-diameter end, the large-diameter end is fixedly provided with a connecting lock through a screw, the connecting lock comprises a connecting lock upper plate with a convex cross section and a connecting lock bottom plate with an inverted convex cross section, the cross section of the connecting lock upper plate is fixedly arranged at the lower end of the connecting lock bottom plate, and a lower groove arranged at the lower end of the connecting lock upper plate and an upper groove arranged at the upper end of the connecting lock bottom plate form a groove channel; the utility model discloses a mushroom head, including recess passageway, the recess passageway is provided with the slip fork in the slip fork up end is provided with the circular recess that is used for placing the mushroom head, follows the logical groove that is the opening form is seted up to the centre of a circle of circular recess, the mushroom head includes the round platform and sets up the ladder cylinder of terminal surface under the round platform, the cylindrical lower extreme of ladder is connected with SCM mechanism, the round platform sets up in the circular recess, the ladder cylinder passes the slip fork gets into in the through-hole that corresponds on the connection lock bottom plate, the lower terminal surface of connection lock upper plate is provided with and is used for containing in the mushroom head the space of round platform.
Two positioning pins vertically penetrating through the groove channel are arranged in the connecting lock, sliding fork waist-shaped holes which are parallel to each other and are respectively used for the two positioning pins to penetrate are arranged at the positions, close to two side edges, of the sliding fork, and the positioning pins are in sliding fit with the sliding fork waist-shaped holes to limit the displacement of the sliding fork.
A handle for ROV operation is provided at the front end of the slide fork.
The lower end of the connecting lock bottom plate is provided with a guide extension for initial guiding during connection, and the lower end face of the connecting lock upper plate is provided with a V-shaped block which is connected with the side wall of the connecting lock upper plate and is matched with the through groove of the sliding fork.
And a V-shaped beam is fixedly arranged at the lower end of the central beam, and a through hole for penetrating through the sleeve is formed in the V-shaped beam.
The elastic component is a pressure spring.
In order to achieve the purpose, the invention adopts the following technical scheme: 1. the invention comprises a hoisting fixing device and a hoisting sliding device in sliding connection with the hoisting fixing device, wherein the hoisting fixing device comprises a sleeve in the shape of an inverted hollow boss, a connecting lock gasket is arranged in the sleeve in a sliding manner, the hoisting sliding device comprises a stepped columnar piston connecting lock, the small diameter end of the piston connecting lock penetrates through the connecting lock gasket and extends into the sleeve, the small diameter end of the piston connecting lock is provided with a locking device which enables the lower end surface of the connecting lock gasket to be tightly attached to the small step surface of the piston connecting lock, an elastic part is arranged between the connecting lock gasket and a suspension support, when the hoisting sliding device is collided, the piston connecting lock pushes the connecting lock gasket to move upwards, the elastic part is compressed, and rigid collision is avoided. 2. The suspension support comprises a chassis and a cuboid fixed block arranged on the chassis, two suspension positioning pins are arranged in the fixed block in a sliding manner, waist-shaped holes for the two suspension positioning pins to slide are correspondingly arranged on the two central beams, and a movable gap is reserved between the fixed block and the two central beams, so that the mechanism can be adjusted transversely and longitudinally, and the problem that the tool is lowered and SCM is difficult to bolt due to inaccurate positioning in the process of lowering the tool and the SCM is solved. 3. The locking device comprises a connecting lock round nut in threaded fit with the small-diameter end of the piston connecting lock, the lower end of the connecting lock round nut is a first cambered surface, and the upper end of the connecting lock washer is provided with a second cambered surface matched with the first cambered surface, so that the piston connecting lock can swing at a small angle by the structure.
Drawings
FIG. 1 is a schematic view of a half-section structure of the present invention;
FIG. 2 is an isometric view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic view of the connecting lock of the present invention;
fig. 5 is a schematic view showing the structure of the mushroom head of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
As shown in fig. 1-2, the invention comprises a hoisting fixing device 1 and a hoisting sliding device 2 connected with the hoisting fixing device 1 in a sliding manner, wherein the hoisting fixing device 1 comprises a suspension support 11 fixedly arranged on a central beam 3 and a sleeve 12 arranged at the lower end of the suspension support 11 and in an inverted hollow boss shape, an annular connection lock washer 13 is arranged in the sleeve 12 in a sliding manner, and an annular protrusion 14 used for preventing the connection lock washer 13 from falling off from the sleeve 12 is arranged on the inner side wall at the bottom end of the sleeve 12; the hoisting sliding device 2 comprises a stepped cylindrical piston connecting lock 21, the small diameter end of the piston connecting lock 21 penetrates through the connecting lock washer 13 and extends into the sleeve 12, the small diameter end of the piston connecting lock 21 is provided with a locking device 22 which enables the lower end face of the connecting lock washer 13 to be tightly attached to the small step face of the piston connecting lock 21, an elastic part 23 is arranged between the upper end face of the connecting lock washer 13 and the lower end face of the suspension support 11, when the hoisting sliding device 2 is collided, the piston connecting lock 21 pushes the connecting lock washer 13 to move upwards in the inner wall of the sleeve 12, and the elastic part 23 is compressed.
In the above embodiment, as shown in fig. 3, the suspension support 11 includes a chassis 111 and a fixing block 112 disposed on the chassis 111 and having a rectangular parallelepiped shape, two suspension positioning pins 113 are slidably disposed in the fixing block 112, two ends of each suspension positioning pin 113 are disposed in corresponding waist-shaped holes disposed on the central beams 3 on two sides, the suspension positioning pins 113 are slidably engaged with the waist-shaped holes, two ends of each suspension positioning pin 113 are provided with opening pins 114 for preventing the suspension positioning pins 113 from falling off from the central beams 3, and a movable gap exists between the fixing block 112 and the two central beams 3. In summary, the suspension support 4 can be displaced in a horizontal plane. Further, a protection sheet 31 for protecting the outer surface of the center beam 3 is provided on the center beam 3 at an end near the cotter pin 114.
In the above embodiment, the elastic member 23 is a pressure spring. When the SCM module is put down on the Christmas tree platform, the contact moment is buffered through the pressure spring.
In the above embodiment, the locking device 22 includes the connecting lock round nut 221 in threaded fit with the small-diameter end of the piston connecting lock 21, the lower end of the connecting lock round nut 221 is a first arc surface, and the upper end of the connecting lock washer 13 is provided with a second arc surface in fit with the first arc surface, so that the piston connecting lock 21 can swing at a small angle. A large locking nut 222 for locking the round connecting nut 221 to the small diameter end of the piston connecting lock 21 is provided at the upper end of the round connecting nut 221.
In the above embodiment, the lower end of the small diameter end of the piston connecting lock 21 is provided with the cylindrical shaft, the bottom of the sleeve 12 is fixedly provided with the guide cover 24 through the screw thread, the guide cover 24 is provided with the square hole which is beneficial for the cylindrical shaft of the piston connecting lock 21 to pass through, and the cylindrical shaft of the piston connecting lock 21 cannot rotate in the square hole.
In the above embodiment, as shown in fig. 4 to 5, the lower end of the cylindrical shaft of the piston connecting lock 21 is a large diameter end, the large diameter end is fixedly provided with the connecting lock 25 by a screw, the connecting lock 25 includes a connecting lock upper plate 251 whose cross section is in a convex shape and a connecting lock bottom plate 252 whose cross section is in an inverted convex shape and fixedly arranged at the lower end of the connecting lock upper plate 251, and the lower groove arranged at the lower end of the connecting lock upper plate 251 and the upper groove arranged at the upper end of the connecting lock bottom plate 252 form a groove channel; the groove channel is internally provided with a sliding fork 26 in a sliding mode, the upper end face of the sliding fork 26 is provided with a circular groove for placing a mushroom head 28, an open through groove is formed in the circle center of the circular groove, the mushroom head 28 comprises a circular table and a stepped cylinder arranged on the lower end face of the circular table, the lower end of the stepped cylinder is connected with an SCM mechanism, the circular table is arranged in the circular groove, the stepped cylinder penetrates through the sliding fork 26 to enter a corresponding through hole in a connecting lock bottom plate 252, and the lower end face of the connecting lock upper plate 251 is provided with a space for containing the circular table in the mushroom head 28.
In the above embodiment, the connecting lock 25 is provided with two positioning pins 253 vertically penetrating through the groove channel, the sliding fork 26 is provided with mutually parallel sliding fork waist-shaped holes near the two side edges, through which the two positioning pins 253 respectively pass, and the positioning pins 253 and the sliding fork waist-shaped holes are in sliding fit to limit the displacement of the sliding fork 26.
In the above embodiment, a handle 261 for ROV operation is provided at the front end of the slide fork 26.
In the above embodiment, the stepped surfaces of the upper connecting lock plate 251 and the lower connecting lock plate 252 are provided with corresponding through holes for receiving screws.
In the above embodiment, the guide extension 27 for initial guiding at the time of connection is provided at the lower end of the connection lock base plate 252.
In the above embodiment, the V-shaped beam 15 is fixedly provided at the lower end of the center beam 3, and the V-shaped beam 15 is provided with the through hole 151 for passing through the sleeve 12.
In the above embodiment, the lower end surface of the joint lock upper plate 251 is provided with a V-shaped block connected to the side wall of the joint lock upper plate 251 for fitting with the through groove of the slide fork 26.
The working principle of the invention is as follows:
when needing to put down the SCM device in aqueous, put into the recess passageway with slip fork 26, locating pin 253 passes the slip fork waist type hole in the recess passageway, mushroom head 28 sees through the through-hole of connecting lock bottom plate 252 and gets into in the conical space of connecting lock upper plate 251 lower extreme terminal surface, promote slip fork 26 and make circular recess and the through-hole on connecting lock bottom plate 252 correspond, mushroom head 28 whereabouts for the round platform sets up in circular recess, the cylindrical lower extreme of ladder passes the through-hole on connecting lock bottom plate 252, the cylindrical lower extreme of ladder is connected with SCM mechanism.
The bolt mechanism that will be equipped with SCM transfers to aquatic, when waiting that SCM contacts the platform, SCM mechanism will strike the transmission and give connection lock 25, and connection lock 25 will strike the transmission and give piston connection lock 21, and the connection lock packing ring 13 with piston connection lock 21 zonulae occludens promotes pressure spring upward movement, and pressure spring compresses with chassis 111 at connection lock packing ring 13, plays the cushioning effect, has avoided the rigid collision of bolt structure.
The circular truncated cone moves upwards to enter a conical space on the lower end face of the connecting lock upper plate 251, the circular truncated cone is separated from the circular groove at the moment, the sliding fork 26 is pulled outwards by the pulling handle 261, so that the circular groove is not corresponding to the through hole in the connecting lock bottom plate 252, the circular truncated cone is separated from the through hole in the connecting lock bottom plate 252, and the SCM is placed.
The present invention has been described in terms of the above embodiments, and various modifications, arrangements, and connections of the components may be made without departing from the scope of the invention.
Claims (9)
1. The utility model provides an adjustable flexible hoist bolt connection structure of multi freedom which characterized in that: the lifting and fixing device comprises a lifting and fixing device and a lifting and sliding device which is connected with the lifting and fixing device in a sliding manner, wherein the lifting and fixing device comprises a suspension support fixedly arranged on a central beam and a sleeve which is arranged at the lower end of the suspension support and is in the shape of an inverted hollow boss, an annular connecting lock washer is arranged in the sleeve in a sliding manner, and an annular bulge for preventing the connecting lock washer from falling off from the sleeve is arranged on the inner side wall of the bottom end of the sleeve; the hoisting sliding device comprises a stepped cylindrical piston connecting lock, the small-diameter end of the piston connecting lock penetrates through the connecting lock washer and extends into the sleeve, the small-diameter end of the piston connecting lock is provided with a locking device which enables the lower end face of the connecting lock washer to be tightly attached to the small step face of the piston connecting lock, and an elastic part is arranged between the upper end face of the connecting lock washer and the lower end face of the suspension support;
hang and support including the chassis and set up be rectangular bodily form's fixed block on the chassis, it hangs the locating pin to slide to be provided with two in the fixed block, the both ends that hang the locating pin set up in the waist type hole that corresponds the setting on the central beam in both sides, hang the locating pin with waist type hole sliding fit, two tip that hang the locating pin are provided with and are used for preventing hang the locating pin follow split pin that drops in the central beam, fixed block and two there is clearance between the central beam, on the central beam, be close to the one end of split pin is provided with and is used for the protection piece of central beam surface.
2. The adjustable flexible hoisting bolt structure with multiple degrees of freedom of claim 1, characterized in that: the locking device comprises a connecting lock round nut in threaded fit with the small-diameter end of the piston connecting lock, the lower end of the connecting lock round nut is a first cambered surface, the upper end of the connecting lock washer is provided with a second cambered surface in fit with the first cambered surface, and the upper end of the connecting lock round nut is provided with a large locking nut used for locking the connecting lock round nut at the small-diameter end of the piston connecting lock.
3. The adjustable flexible hoisting bolt structure with multiple degrees of freedom of claim 1, characterized in that: the piston connecting lock is characterized in that a cylindrical shaft is arranged at the lower end of the small-diameter end of the piston connecting lock, a guide cover is fixedly arranged at the bottom of the sleeve through threads, a square hole which is beneficial for the cylindrical shaft of the piston connecting lock to penetrate through is formed in the guide cover, and the cylindrical shaft of the piston connecting lock cannot rotate in the square hole.
4. The adjustable flexible hoisting bolt structure with multiple degrees of freedom of claim 1, characterized in that: the lower end of the piston connecting lock cylindrical shaft is a large-diameter end, the large-diameter end is fixedly provided with a connecting lock through a screw, the connecting lock comprises a connecting lock upper plate with a convex cross section and a connecting lock bottom plate with an inverted convex cross section, the cross section of the connecting lock upper plate is fixedly arranged at the lower end of the connecting lock bottom plate, and a lower groove arranged at the lower end of the connecting lock upper plate and an upper groove arranged at the upper end of the connecting lock bottom plate form a groove channel; the mushroom head connecting lock is characterized in that a sliding fork is arranged in the groove channel in a sliding mode, a circular groove used for placing a mushroom head is formed in the upper end face of the sliding fork, a through groove which is in an open shape is formed in the circle center of the circular groove, the mushroom head comprises a circular table and a step cylinder arranged on the lower end face of the circular table, the lower end of the step cylinder is connected with an underwater control module, the circular table is arranged in the circular groove, the step cylinder penetrates through the sliding fork to enter a corresponding through hole in a connecting lock bottom plate, and the lower end face of the connecting lock upper plate is provided with a space used for containing the circular table in the mushroom head.
5. The adjustable flexible hoisting bolt structure with multiple degrees of freedom of claim 4, characterized in that: two positioning pins vertically penetrating through the groove channel are arranged in the connecting lock, sliding fork waist-shaped holes which are parallel to each other and are respectively used for the two positioning pins to penetrate are arranged at the positions, close to two side edges, of the sliding fork, and the positioning pins are in sliding fit with the sliding fork waist-shaped holes to limit the displacement of the sliding fork.
6. The adjustable flexible hoisting bolt structure with multiple degrees of freedom of claim 4, characterized in that: a handle for ROV operation is provided at the front end of the slide fork.
7. The adjustable flexible hoisting bolt structure with multiple degrees of freedom of claim 4, characterized in that: the lower end of the connecting lock bottom plate is provided with a guide extension for initial guiding during connection, and the lower end face of the connecting lock upper plate is provided with a V-shaped block which is connected with the side wall of the connecting lock upper plate and is matched with the through groove of the sliding fork.
8. The adjustable flexible hoisting bolt structure with multiple degrees of freedom of claim 1, characterized in that: and a V-shaped beam is fixedly arranged at the lower end of the central beam, and a through hole for penetrating through the sleeve is formed in the V-shaped beam.
9. The adjustable flexible hoisting bolt structure with multiple degrees of freedom of claim 1, characterized in that: the elastic component is a pressure spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810122861.5A CN108397148B (en) | 2018-02-07 | 2018-02-07 | Multi-degree-of-freedom adjustable flexible hoisting bolting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810122861.5A CN108397148B (en) | 2018-02-07 | 2018-02-07 | Multi-degree-of-freedom adjustable flexible hoisting bolting structure |
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| Publication Number | Publication Date |
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| CN108397148A CN108397148A (en) | 2018-08-14 |
| CN108397148B true CN108397148B (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810122861.5A Active CN108397148B (en) | 2018-02-07 | 2018-02-07 | Multi-degree-of-freedom adjustable flexible hoisting bolting structure |
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| CN (1) | CN108397148B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112031710B (en) * | 2020-08-25 | 2022-08-02 | 中国海洋石油集团有限公司 | Using method of lowering, recovering and installing tool for underwater control module |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4120171A (en) * | 1977-01-13 | 1978-10-17 | Societe Nationale Elf Aquitaine (Production) | Apparatus and method of connecting a flexible line to a subsea station |
| SE8900409L (en) * | 1989-02-07 | 1990-08-08 | Asea Atom Ab | MODULE BUILT TOOL CARRIER FOR UNDEMANDED UNDERWATER OPERATIONS |
| WO2014166510A1 (en) * | 2013-04-09 | 2014-10-16 | Cameron International Corporation | Insertion and setting structure |
| EP2845793A1 (en) * | 2013-09-06 | 2015-03-11 | Soil Machine Dynamics Limited | Apparatus and method for deploying an object to a sea floor |
| CN203729922U (en) * | 2014-03-24 | 2014-07-23 | 江汉石油钻头股份有限公司 | Lowering tool for underwater control module |
| GB201516031D0 (en) * | 2015-09-10 | 2015-10-28 | Neptune Subsea Engineering Ltd | Apparatus & method |
| CN106741755B (en) * | 2016-12-16 | 2018-07-10 | 中国海洋石油集团有限公司 | The running tool of subsea control modules |
| CN107521639B (en) * | 2017-08-16 | 2019-11-22 | 中船华南船舶机械有限公司 | A kind of bathyscaph lays recycling butt-joint locking device and butt-joint locking method |
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