CN209369749U - For clamping the hydraulic rotating chuck of marine drilling platform marine riser - Google Patents
For clamping the hydraulic rotating chuck of marine drilling platform marine riser Download PDFInfo
- Publication number
- CN209369749U CN209369749U CN201821727869.6U CN201821727869U CN209369749U CN 209369749 U CN209369749 U CN 209369749U CN 201821727869 U CN201821727869 U CN 201821727869U CN 209369749 U CN209369749 U CN 209369749U
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- China
- Prior art keywords
- edge
- movable supporting
- clamping
- marine riser
- otic placode
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Abstract
The utility model discloses a kind of for clamping the hydraulic rotating chuck of marine drilling platform marine riser, it includes cover board and bottom plate, several movable supportings in C font frame structure are symmetrically arranged in the middle part of bottom plate and cover board, movable supporting includes the support edge being vertically arranged, gripper edge, sliding edge and top plate, and cylindric sliding block is equipped at the top of top plate；Movable supporting gripper edge collectively forms regular polygon holding holes；Arcuate socket is provided in the rotating disk of the top of movable supporting, the top of sliding block is placed in arcuate socket；Hydraulic cylinder protrudes into the lower portion of movable supporting from support edge and sliding edge tail end gap, when the piston rod of hydraulic cylinder is flexible, movable supporting is pushed to move forward and backward, regular polygon holding holes reduce or expand therewith, and the marine riser being placed in the middle part of chuck is clamped or unclamped.Polygon holding holes and the contact area of marine riser are big in the utility model, and good integral strength, high reliablity is compact-sized, small in size, and light-weight, occupied space is few.
Description
Technical field
The utility model relates to drilling-production equipment technical fields, specifically a kind of for clamping marine drilling platform water proof
The hydraulic rotating chuck of pipe.
Background technique
The riser spider device of marine drilling platform can ensure offshore oil and gas operation safety, improve working efficiency and brill
Well efficiency plays key effect during installation, disassembly, support and suspension riser system.The structure one of chuck assembly
As include pedal, gate-type, pivotal support arm formula and retractable support it is arm-type.
The patent of Publication No. CN203321371U discloses a kind of " marine riser installation hydraulic-driven cantilevered chuck
Device ", it includes the group frame for being provided with central through hole, and circumferentially radial equipartition has multiple frame rails in the group frame
Road, is provided with a slidable support arm in every framing track, each support arm piston rod with a hydraulic cylinder respectively
Connection, each hydraulic cylinder are connect with ambient pressure source simultaneously；Composite frame structure is, including upper snap-gauge and lower snap-gauge, upper snap-gauge,
Lower snap-gauge center is the through-hole of perforation, and the central through hole of upper snap-gauge and lower snap-gauge is fixedly connected with support plate, upper card between interior edge
Side seal board is fixedly connected at the outer of plate and lower snap-gauge.The device uses external impetus system drive, realizes support arm in water
Square upwards stretching/retracting action, achieve the purpose that drilling table top pithead position support, suspension, installation marine riser system.
Chuck disclosed in this patent document uses flexible cantilever beam structure, requires chuck volume larger to meet bearing capacity,
Support arm entirety stress is poor, and fluid cylinder cannot bear circumferential load, and marine riser is disturbed by seawater under sea and generates rotation, to movement
Fluid cylinder generates additional load, influences the service life of fluid cylinder.
Utility model content
The purpose of the utility model is to provide a kind of for clamping the hydraulic rotating chuck of marine drilling platform marine riser,
Under the premise of meeting marine drilling platform setting of casing demand, sufficiently optimization structure, improvement stress condition mitigate construction weight.
In order to achieve the above objectives, technical solution adopted in the utility model are as follows:
It is a kind of for clamping the hydraulic rotating chuck of marine drilling platform marine riser, it includes the cover board mutually fastened and bottom
Plate, the center of cover board are provided with circular hole, and the upper surface of cover board is provided with several otic placodes, and the middle part of the bottom plate and cover board is symmetrical arranged
Have several movable supportings in C font frame structure, movable supporting include the support edge being vertically arranged, gripper edge, sliding edge and
Top plate, there are gap between the tail end of support edge and the tail end of sliding edge, the top of support edge, sliding edge top respectively with folder
The both ends for holding side are connected, and top plate is covered on the top of support edge, gripper edge and sliding edge, and the middle part of top plate is equipped with fixation hole；
The sliding edge of movable supporting and the gripper edge of another movable supporting adjacent thereto are adjoining, all movable supporting gripper edges
Collectively form regular polygon holding holes；The top of movable supporting is equipped with the rotating disk being lifted below cover board, and rotating disk is annular
Plate is provided with several arcuate sockets in rotating disk, and the top of cylindric sliding block is placed in arcuate socket, and the lower part of sliding block is placed in top plate
In the fixation hole in portion；Hydraulic cylinder protrudes into the lower portion of movable supporting, the work of hydraulic cylinder from support edge and sliding edge tail end gap
Stopper rod top is connected with the fixed otic placode of the level being fixed on the inner wall of support edge, cylinder body and the vertical fixation being fixed on bottom plate
Otic placode is connected；When the piston rod of all hydraulic cylinders is flexible, movable supporting is pushed to move forward and backward, sliding block moves in arcuate socket
Dynamic, the sliding edge of movable supporting and the overlapping part of the gripper edge of another movable supporting adjacent thereto increase or decrease, just
Polygon holding holes reduce or expand therewith, and the marine riser being placed in the middle part of chuck is clamped or unclamped.
Preferably, it is provided with guide pad on the outside of the support edge of each movable supporting, support edge is adjacent with guide pad
Surface is bonded to each other.
Preferably, the horizontal fixed otic placode and the inner wall of support edge are perpendicular, the fixed otic placode of level and vertical fixed ear
Plate is perpendicular, and vertical fixed otic placode is located at the periphery of bottom plate.
Preferably, the neighboring of the cover board is equipped with several piece baffle, and the bottom of baffle is connected by bolt with bottom plate.
Preferably, the movable supporting at least 6, quantity is more, and aid performance is better.
Preferably, the otic placode has 4, and two neighboring otic placode is arranged in a mutually vertical manner.
Preferably, the piston rod top end of the hydraulic cylinder is fixedly connected with the fixed otic placode of level by bipyramid pin and safety pin,
The cylinder body of hydraulic cylinder is fixedly connected with the fixed otic placode of level by bipyramid pin and safety pin.
The working process of the utility model is as follows:
When all hydraulic cylinder piston rods stretch out, piston rod pushes movable supporting to move forward along guide pad, simultaneously
Sliding block at the top of movable supporting moves in the corresponding arcuate socket of rotating disk, limits the motion profile of movable supporting, movable supporting
Sliding edge it is mobile relative to the gripper edge of another movable supporting adjacent thereto, the clamping of regular polygon composed by gripper edge
Hole reduces, and is placed on marine riser therein and clamps.When all hydraulic cylinder piston rod retracts, movable supporting along setting fortune
Dynamic rail mark counter motion, regular polygon holding holes expand, marine riser are unclamped.
The utility model has the following beneficial effects:
(1) the utility model is rotated by Hydraulic Cylinder movable supporting along the track set, in diminution or expansion
The regular polygon holding holes of the heart are clamped or are loosened to the marine riser in chuck, the contact area of movable supporting and marine riser
Greatly, movable supporting self structure intensity is higher, and hydraulic cylinder is placed in inside movable supporting, is influenced by ocean wave small, and chuck is whole
The intensity of body is good, high reliablity；
(2) each angle that the gripper edge of movable supporting is formed by regular polygon in the utility model can be the convex of marine riser
Pipeline reserves sufficient space out, and space utilization rate is high；
(3) sliding block in the utility model at the top of movable supporting is inlaid in arcuate socket, ensure that movable supporting is being set
It is moved in motion profile, guide pad again defines the motion track of movable supporting；
(4) movement of Hydraulic Cylinder movable supporting is utilized in the utility model, the gripper edge of movable supporting forms rotation
Formula is mobile, compact-sized, sensitive, the reliability of chuck is enhanced, even if one of those or several fluid cylinders go wrong
It is equally also operable, it is not in that some fluid cylinder goes wrong the problem of causing entire chuck that can not work；
(5) fluid cylinder is mutually perpendicular to design with otic placode coupling part using pin hole, and external load will not have an impact fluid cylinder,
Load bearing component is separated with moving component, is on the one hand guaranteed that load bearing component movement is accurate, is on the other hand guaranteed that moving component is not made
Industry influences；
(6) the utility model is compact-sized, small in size, light-weight, reduces occupied space.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the top view in Fig. 1 after the utility model removal cover board；
Fig. 3 is the sectional view along A-A of the utility model in Fig. 2；
Fig. 4 is the side view of the utility model in Fig. 1；
Fig. 5 is the structural schematic diagram of movable supporting in Fig. 1；
In figure: 1, otic placode, 2, cover board, 3, rotating disk, 4, bottom plate, 5, vertically fix otic placode, 6, bipyramid pin, 7, safety pin, 8,
Hydraulic cylinder, 9, movable supporting, 901, support edge, 902, gripper edge, 903 sliding edges, 904, top plate, 905, fixation hole, 10, guiding
Block, 11, arcuate socket, 12, horizontal fixed otic placode, 13, sliding block.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawing.
As shown in Figures 1 to 4 is a kind of for clamping the hydraulic rotating chuck of marine drilling platform marine riser, it includes phase
The cover board 2 and bottom plate 4 mutually fastened, the center of cover board 2 are provided with circular hole, and the upper surface of cover board 2 is provided with 4 otic placodes 1, two neighboring
Otic placode 1 is arranged in a mutually vertical manner.The middle part of bottom plate 4 and cover board 2 is symmetrical arranged there are six the movable supporting 9 for being in C font frame structure,
Movable supporting 9 includes support edge 901, gripper edge 902, sliding edge 903 and the top plate 904 being vertically arranged, the tail end of support edge 901
There are gap between the tail end of sliding edge 903, the top of support edge 901, sliding edge 903 top respectively with gripper edge 902
Both ends be connected, top plate 904 is covered on the top of support edge 901, gripper edge 902 and sliding edge 903, the middle part of top plate 904
Equipped with fixation hole 905；The sliding edge 903 of movable supporting 9 is adjacent with the gripper edge 902 of another movable supporting 9 adjacent thereto
Closely, all 9 gripper edges of movable supporting collectively form regular polygon holding holes；The top of movable supporting 9 is equipped with and is lifted on cover board 2
The rotating disk 3 of lower section, rotating disk 3 are annular slab, are provided with several arcuate sockets 11, the top of cylindric sliding block 13 in rotating disk 3
It is placed in arcuate socket 11, the lower part of sliding block 13 is placed in the fixation hole 905 at 904 middle part of top plate；Hydraulic cylinder 8 is from 901 He of support edge
The lower portion of movable supporting 9 is protruded into 903 tail end gap of sliding edge, the piston rod top end of hydraulic cylinder 8 and is fixed on support edge 901
The fixed otic placode 12 of level on inner wall is connected, and cylinder body is connected with the vertical fixed otic placode 5 being fixed on bottom plate 4；When all
Hydraulic cylinder 8 piston rod it is flexible when, push movable supporting 9 to move forward and backward, sliding block 13 moves in arcuate socket, movable supporting 9
Sliding edge 903 and the overlapping part of the gripper edge 902 of another movable supporting 9 adjacent thereto increase or decrease, it is just polygon
Shape holding holes reduce or expand therewith, and the marine riser being placed in the middle part of chuck is clamped or unclamped.
The fixed otic placode 12 of level and the inner wall of support edge 901 are perpendicular, the fixed otic placode 12 of level and vertical fixed 5 phase of otic placode
Vertically, the periphery that otic placode 5 is located at bottom plate 4 is fixed vertically.
The neighboring of cover board 2 is equipped with several piece baffle, and the bottom of baffle is connected by bolt with bottom plate 4.
The piston rod top end of hydraulic cylinder 8 is fixedly connected with the fixed otic placode 12 of level by bipyramid pin 6 and safety pin 7, hydraulic cylinder 8
Cylinder body be fixedly connected with the fixed otic placode 12 of level by bipyramid pin 6 and safety pin 7.
The working process of the utility model is as follows:
When all 8 piston rods of hydraulic cylinder stretch out, piston rod pushes movable supporting 9 to move forward along guide pad 10,
The sliding block 13 at 9 top of movable supporting moves in the corresponding arcuate socket 11 of rotating disk 3 simultaneously, limits the movement rail of movable supporting 9
The sliding edge 903 of mark, movable supporting 9 is mobile relative to the gripper edge 902 of another movable supporting 9 adjacent thereto, gripper edge
Regular polygon holding holes composed by 902 reduce, and are placed on marine riser therein and clamp.When all 8 piston rods of hydraulic cylinder contract
Hui Shi, movable supporting 9 along setting motion profile counter motion, regular polygon holding holes expand, marine riser is unclamped.
The utility model is rotated by Hydraulic Cylinder movable supporting along the track set, and center is reduced or expand
Regular polygon holding holes are clamped or are loosened to the marine riser in chuck, and the contact area of movable supporting and marine riser is big, living
Dynamic support self structure intensity is higher, and hydraulic cylinder is placed in inside movable supporting, is influenced by ocean wave it is small, chuck entirety it is strong
It spends, high reliablity.
Claims (7)
1. a kind of for clamping the hydraulic rotating chuck of marine drilling platform marine riser, it include the cover board (2) mutually fastened and
Bottom plate (4), the center of cover board (2) are provided with circular hole, and the upper surface of cover board (2) is provided with several otic placodes (1), it is characterised in that: institute
It states and is symmetrically arranged with several movable supportings (9) in C font frame structure, movable supporting in the middle part of bottom plate (4) and cover board (2)
It (9) include the support edge (901) being vertically arranged, gripper edge (902), sliding edge (903) and top plate (904), support edge (901)
There are gap between tail end and the tail end of sliding edge (903), the top of support edge (901), sliding edge (903) top respectively with
The both ends of gripper edge (902) are connected, and top plate (904) is covered on support edge (901), gripper edge (902) and sliding edge (903)
The middle part on top, top plate (904) is equipped with fixation hole (905)；The sliding edge (903) of movable supporting (9) with it is adjacent thereto another
The gripper edge (902) of a movable supporting (9) is adjoining, and all movable supporting (9) gripper edges collectively form regular polygon clamping
Hole；The top of movable supporting (9) is equipped with the rotating disk (3) being lifted below cover board (2), and rotating disk (3) is annular slab, rotating disk
(3) it is provided on several arcuate sockets (11), the top of cylindric sliding block (13) is placed in arcuate socket (11), the lower part of sliding block (13)
It is placed in the fixation hole (905) in the middle part of top plate (904)；Hydraulic cylinder (8) is from support edge (901) and sliding edge (903) tail end gap
Protrude into the lower portion of movable supporting (9), the piston rod top end of hydraulic cylinder (8) and the water being fixed on support edge (901) inner wall
Flat fixed otic placode (12) are connected, and cylinder body is connected with the vertical fixed otic placode (5) being fixed on bottom plate (4)；When all liquid
When the piston rod of cylinder pressure (8) is flexible, movable supporting (9) are pushed to move forward and backward, sliding block (13) moves in arcuate socket, movable supporting
(9) sliding edge (903) and the overlapping part increasing of the gripper edge (902) of another movable supporting (9) adjacent thereto add deduct
Few, regular polygon holding holes reduce or expand therewith, and the marine riser being placed in the middle part of chuck is clamped or unclamped.
2. according to claim 1 for clamping the hydraulic rotating chuck of marine drilling platform marine riser, it is characterised in that:
It is provided with guide pad (10) on the outside of the support edge (901) of each movable supporting (9), support edge (901) and guide pad (10)
Adjacent surface is bonded to each other.
3. according to claim 1 or 2 for clamping the hydraulic rotating chuck of marine drilling platform marine riser, feature exists
In: horizontal fixed otic placode (12) and the inner wall of support edge (901) are perpendicular, level fixed otic placode (12) and vertical fixed ear
Plate (5) is perpendicular, fixes the periphery that otic placode (5) are located at bottom plate (4) vertically.
4. according to claim 3 for clamping the hydraulic rotating chuck of marine drilling platform marine riser, it is characterised in that:
The neighboring of the cover board (2) is equipped with several piece baffle, and the bottom of baffle is connected by bolt with bottom plate (4).
5. according to claim 4 for clamping the hydraulic rotating chuck of marine drilling platform marine riser, it is characterised in that:
The movable supporting (9) at least 6, quantity is more, and aid performance is better.
6. according to claim 5 for clamping the hydraulic rotating chuck of marine drilling platform marine riser, it is characterised in that:
The otic placode (1) has 4, and two neighboring otic placode (1) is arranged in a mutually vertical manner.
7. according to claim 6 for clamping the hydraulic rotating chuck of marine drilling platform marine riser, it is characterised in that:
The piston rod top end of the hydraulic cylinder (8) is fixedly connected with level fixed otic placode (12) by bipyramid pin (6) and safety pin (7), liquid
The cylinder body of cylinder pressure (8) is fixedly connected with level fixed otic placode (12) by bipyramid pin (6) and safety pin (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821727869.6U CN209369749U (en) | 2018-10-24 | 2018-10-24 | For clamping the hydraulic rotating chuck of marine drilling platform marine riser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821727869.6U CN209369749U (en) | 2018-10-24 | 2018-10-24 | For clamping the hydraulic rotating chuck of marine drilling platform marine riser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209369749U true CN209369749U (en) | 2019-09-10 |
Family
ID=67838962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821727869.6U Withdrawn - After Issue CN209369749U (en) | 2018-10-24 | 2018-10-24 | For clamping the hydraulic rotating chuck of marine drilling platform marine riser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209369749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209262A (en) * | 2018-10-24 | 2019-01-15 | 兰州兰石石油装备工程股份有限公司 | For clamping the hydraulic rotating chuck of marine drilling platform marine riser |
-
2018
- 2018-10-24 CN CN201821727869.6U patent/CN209369749U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209262A (en) * | 2018-10-24 | 2019-01-15 | 兰州兰石石油装备工程股份有限公司 | For clamping the hydraulic rotating chuck of marine drilling platform marine riser |
| CN109209262B (en) * | 2018-10-24 | 2023-08-22 | 兰州兰石石油装备工程股份有限公司 | Hydraulic rotary chuck for clamping marine drilling platform riser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190910 Effective date of abandoning: 20230822 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190910 Effective date of abandoning: 20230822 |