CN216999627U - Self-elevating drilling platform spud leg locking device - Google Patents
Self-elevating drilling platform spud leg locking device Download PDFInfo
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- CN216999627U CN216999627U CN202123377482.7U CN202123377482U CN216999627U CN 216999627 U CN216999627 U CN 216999627U CN 202123377482 U CN202123377482 U CN 202123377482U CN 216999627 U CN216999627 U CN 216999627U
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- locking device
- locking
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- 238000005553 drilling Methods 0.000 title claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of locking of drilling legs, and particularly relates to a self-elevating drilling platform leg locking device which comprises a base and a leg rack arranged on the upper part of the base, wherein transverse frames are symmetrically arranged on the upper part of the base and positioned on two sides of the leg rack, the lower part of each transverse frame is movably connected with the base through a plurality of movably connected folding rods, an air cylinder is arranged on the upper part of each transverse frame, an output shaft of the air cylinder is connected with a hydraulic rod, one end of the hydraulic rod is fixedly connected with a push rod, one side of the push rod is provided with a reinforcing plate, a plurality of support rods are uniformly connected between the push rod and the reinforcing plate at intervals, and a moving frame is arranged on one side of the reinforcing plate; the utility model not only ensures the effective locking of the pile leg, but also solves the problem of difficult unlocking of the locking device, and simultaneously avoids the problem of equipment damage caused by over-tight locking, and the load is uniform after locking, the load is stably transferred between the lifting device and the locking device, and the operation time of workers is greatly saved.
Description
Technical Field
The utility model relates to the technical field of locking of a drilling pile leg, in particular to a locking device of a self-elevating drilling platform pile leg.
Background
With the increasing demand of global markets for petroleum energy and the continuous exhaustion of land petroleum energy, all countries in the world have turned petroleum exploitation places from traditional land to oceans containing rich oil and gas resources, the self-elevating drilling platform is always the mainstream equipment for exploiting offshore petroleum in all countries due to the strong positioning capability, long service life, low manufacturing cost and high reliability, and a leg locking device capable of realizing platform fixation in the drilling platform is one of the key components of the whole platform.
In the current self-elevating drilling platform, a rack extending up and down is installed on a pile leg of a supporting platform, a lifting mechanism meshed with the rack is arranged on the platform, and the platform is lifted by controlling the lifting mechanism. When the platform is raised to a certain position, the limiting block is usually used to be clamped into the teeth of the rack, so that the platform is positioned at the certain position. However, the use of the limiting block is inconvenient to operate, and the limiting block slips out of the rack due to the fact that the limiting block and the teeth of the rack are not clamped well, so that accidents are caused. And this way the load cannot be transferred from the lift motor, leaving the platform weight entirely borne by the lift system.
In order to solve the problems, the application provides a self-elevating drilling platform pile leg locking device.
SUMMERY OF THE UTILITY MODEL
Objects of the utility model
In order to solve the technical problems in the background art, the utility model provides a self-elevating drilling platform pile leg locking device which has the characteristics that the pile leg is effectively locked, the problem that the locking device is difficult to unlock is solved, the problem that equipment is damaged due to over-tight locking is avoided, the load is uniformly loaded after the locking, the load is stably transferred between a lifting device and the locking device, and the operation time of workers is greatly saved.
(II) technical scheme
In order to solve the problems, the utility model provides a self-elevating drilling platform pile leg locking device which comprises a base and a pile leg rack arranged on the upper portion of the base, wherein cross frames are symmetrically arranged on the upper portion of the base and positioned on two sides of the pile leg rack, the lower portion of each cross frame is movably connected with the base through a plurality of movably connected folding rods, an air cylinder is arranged on the upper portion of each cross frame, an output shaft of the air cylinder is connected with a hydraulic rod, one end of the hydraulic rod is fixedly connected with a push rod, a reinforcing plate is arranged on one side of the push rod, a plurality of support rods are uniformly connected between the push rod and the reinforcing plate at intervals, a moving frame is arranged on one side of the reinforcing plate, a plurality of locking racks are fixedly connected on the outer wall of the moving frame, and the locking racks are locked with tooth marks of the pile leg rack.
Furthermore, a plurality of spring rods are uniformly connected between the reinforcing plate and the movable frame at intervals.
Furthermore, the two ends of the reinforcing plate are fixedly connected with connecting rods inserted in the movable frame.
Further, a bar-shaped groove is formed in the inner wall of the moving frame, the connecting rod is movably inserted into the bar-shaped groove, a tension spring is fixedly connected to one side of the inner wall of the bar-shaped groove, and one end of the tension spring is fixedly connected with a moving rod used for pushing the connecting rod.
Furthermore, electric telescopic rods are movably connected among the plurality of folding rods which are movably connected with each other.
Further, the movable frame is of a vertical structure.
Furthermore, the movable frames are of arc-shaped structures, and arc-shaped rods are movably inserted between the movable frames.
Furthermore, the spout has been seted up to base upper portion symmetry, folding rod lower part one end slides and sets up inside the spout, the locating plate has been worn through the slide bar activity to the spout is inside, locating plate upper portion and spout top evenly staggered distribution have a plurality of sawtooth marks that are used for folding rod locking card, the locating plate lower extreme passes through the spring ring and is connected bottom the spout.
The technical scheme of the utility model has the following beneficial technical effects: the utility model not only ensures the effective locking of the pile leg, but also solves the problem of difficult unlocking of the locking device, simultaneously avoids the problem of damage to equipment caused by over-tight locking, and has uniform loading after locking, stable load transfer between the lifting device and the locking device and great saving of the operation time of workers.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of the movable stand of the present invention;
fig. 5 is a partially enlarged view of fig. 1 according to the present invention.
In the figure: 1. a base; 2. a leg rack; 3. a transverse frame; 4. a folding bar; 5. an electric telescopic rod; 6. a cylinder; 7. a hydraulic rod; 8. a movable frame; 9. locking the rack; 10. a push rod; 11. a support bar; 12. a spring lever; 13. a reinforcing plate; 14. a connecting rod; 15. an arc-shaped rod; 16. a strip-shaped groove; 17. a tension spring; 18. a travel bar; 19. a chute; 20. saw-tooth marks; 21. a spring ring; 22. and (7) positioning the plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-5, the locking device for the pile leg of the self-elevating drilling platform provided by the utility model comprises a base 1 and a pile leg rack 2 arranged on the upper part of the base 1, wherein in order to lock the pile leg rack 2, transverse frames 3 are symmetrically arranged on the upper part of the base 1 and positioned on two sides of the pile leg rack 2;
in order to realize the longitudinal height adjustment of the locking device, the lower part of the cross frame 3 is movably connected with the base 1 through a plurality of movably connected folding rods 4, and it should be further noted that an electric telescopic rod 5 is movably connected between the plurality of mutually movably connected folding rods 4, and the height between the folding rods 4 can be adjusted by using the electric telescopic rod 5 so as to realize the longitudinal adjustment of the locking device;
it should be specially noted that, in order to realize the automatic locking of the moved folding rod 4, the upper part of the base 1 is symmetrically provided with sliding grooves 19, one end of the lower part of the folding rod 4 is slidably arranged in the sliding groove 19, the inside of the sliding groove 19 is movably connected with a positioning plate 22 through a sliding rod in a penetrating manner, a plurality of saw tooth traces 20 used for locking the folding rod 4 are distributed on the upper part of the positioning plate 22 and the top of the sliding groove 19 in a staggered manner, the lower end of the positioning plate 22 is connected with the bottom of the sliding groove 19 through a spring ring 21, and then the locking of the lifted folding rod 4 is realized;
the upper part of the transverse frame 3 is provided with an air cylinder 6, an output shaft of the air cylinder 6 is connected with a hydraulic rod 7, one end of the hydraulic rod 7 is fixedly connected with a push rod 10, one side of the push rod 10 is provided with a reinforcing plate 13, a plurality of support rods 11 are uniformly connected between the push rod 10 and the reinforcing plate 13 at intervals, one side of the reinforcing plate 13 is provided with a movable frame 8, the outer wall of the movable frame 8 is fixedly connected with a plurality of locking racks 9, and the locking racks 9 are locked with tooth marks of the pile leg rack 2 to lock the pile leg;
in order to ensure the effect of the pile leg during locking, a plurality of spring rods 12 are uniformly connected between the reinforcing plate 13 and the movable frame 8 at intervals so as to keep the elasticity after locking and avoid the damage of equipment caused by over-tight locking;
in order to ensure the stability of the locked pile leg, a strip-shaped groove 16 is formed in the movable frame 8, wherein two ends of the reinforcing plate 13 are fixedly connected with connecting rods 14 movably inserted in the strip-shaped groove 16, a tension spring 17 is fixedly connected to one side of the inner wall of the strip-shaped groove 16 in order to realize elastic driving of the connecting rods 14, and one end of the tension spring 17 is fixedly connected with a movable rod 18 used for pushing the connecting rods 14;
in one embodiment, the movable frame 8 is in a vertical structure, and the locking rack 9 on the outer wall of the movable frame 8 is locked on the symmetrical tooth marks of the leg rack 2;
in another embodiment, the movable frame 8 is an arc-shaped structure, wherein slots are formed at two ends of the movable frame 8, and arc-shaped rods 15 are movably inserted into the slots, so that the pile leg rack 2 can be locked in an annular tooth trace manner, and the firmness of pile leg locking is improved.
The working principle of the utility model is as follows: in the using process, the external switch controls the electric telescopic rod 5 to work, the electric telescopic rod 5 can drive the plurality of folding rods 4 which are movably connected with each other to unfold, wherein along with the lifting of the folding rods 4, the folding rods 4 can move along the inner part of the sliding groove 19, in the moving process, the positioning plate 20 is subjected to external force and moves downwards through the extrusion spring ring 21, when the folding rods 4 stop moving, the spring ring 21 drives the positioning plate 22 to reset, the sawtooth marks 20 in the sliding groove 19 can lock the folding rods 4 which are further moved, the longitudinal height adjustment of the locking device is realized, the locking device keeps proper height, the external switch controls the cylinder 6 to work, the cylinder 6 drives the push rod 10 to move through the hydraulic rod 7, the push rod 10 pushes the moving frame 8 to move through the supporting rod 11, the locking rack 9 on the outer wall of the moving frame 8 is locked with the tooth marks of the pile leg rack 2, and the pile leg is locked, and the elasticity after the pile leg is locked can be ensured through the spring rod 12, and the damage to equipment caused by over-tight locking is avoided.
The foregoing shows and describes the general principles, principal features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. A self-elevating drilling platform pile leg locking device comprises a base (1) and a pile leg rack (2) arranged on the upper portion of the base (1), and is characterized in that cross frames (3) are symmetrically arranged on the upper portion of the base (1) and located on two sides of the pile leg rack (2), the lower portions of the cross frames (3) are movably connected with the base (1) through a plurality of movably connected folding rods (4), a cylinder (6) is erected on the upper portion of the cross frames (3), an output shaft of the cylinder (6) is connected with a hydraulic rod (7), one end of the hydraulic rod (7) is fixedly connected with a push rod (10), a reinforcing plate (13) is arranged on one side of the push rod (10), a plurality of support rods (11) are uniformly connected between the push rod (10) and the reinforcing plate (13) at intervals, a moving frame (8) is arranged on one side of the reinforcing plate (13), and a plurality of locking racks (9) are fixedly connected with the outer wall of the moving frame (8), and the locking rack (9) is locked with the tooth trace of the pile leg rack (2).
2. The locking device of a self-elevating drilling platform leg according to claim 1, wherein a plurality of spring rods (12) are connected between the reinforcing plate (13) and the movable frame (8) at regular intervals.
3. The locking device of a self-elevating drilling platform leg according to claim 1, wherein the reinforcing plate (13) is fixedly connected at both ends with a connecting rod (14) inserted inside the movable frame (8).
4. The self-elevating drilling platform leg locking device according to claim 3, wherein the inner wall of the movable frame (8) is provided with a strip-shaped groove (16), the connecting rod (14) is movably inserted into the strip-shaped groove (16), one side of the inner wall of the strip-shaped groove (16) is fixedly connected with a tension spring (17), and one end of the tension spring (17) is fixedly connected with a movable rod (18) for pushing the connecting rod (14).
5. The locking device for a self-elevating drilling platform leg according to claim 1, characterized in that an electric telescopic rod (5) is movably connected between a plurality of said folding rods (4) movably connected with each other.
6. The jack-up rig leg locking device according to claim 1, wherein the mobile frame (8) is a vertical structure.
7. The locking device of self-elevating drilling platform leg according to claim 1, characterized in that the movable frames (8) are arc-shaped structures, and arc-shaped rods (15) are movably inserted between the movable frames (8).
8. The self-elevating drilling platform pile leg locking device according to claim 1, wherein sliding grooves (19) are symmetrically formed in the upper portion of the base (1), one end of the lower portion of the folding rod (4) is slidably arranged in the sliding grooves (19), a positioning plate (22) is movably connected in the sliding grooves (19) in a penetrating mode through a sliding rod, a plurality of saw tooth marks (20) used for locking the folding rod (4) are distributed on the upper portion of the positioning plate (22) and the top of the sliding grooves (19) in a staggered mode, and the lower end of the positioning plate (22) is connected with the bottom of the sliding grooves (19) through a spring ring (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123377482.7U CN216999627U (en) | 2021-12-29 | 2021-12-29 | Self-elevating drilling platform spud leg locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123377482.7U CN216999627U (en) | 2021-12-29 | 2021-12-29 | Self-elevating drilling platform spud leg locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216999627U true CN216999627U (en) | 2022-07-19 |
Family
ID=82387031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123377482.7U Expired - Fee Related CN216999627U (en) | 2021-12-29 | 2021-12-29 | Self-elevating drilling platform spud leg locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216999627U (en) |
-
2021
- 2021-12-29 CN CN202123377482.7U patent/CN216999627U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220719 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |