CN209959190U - Novel riser elevator chuck - Google Patents
Novel riser elevator chuck Download PDFInfo
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- CN209959190U CN209959190U CN201920470881.1U CN201920470881U CN209959190U CN 209959190 U CN209959190 U CN 209959190U CN 201920470881 U CN201920470881 U CN 201920470881U CN 209959190 U CN209959190 U CN 209959190U
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- marine riser
- riser
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Abstract
The utility model discloses a novel riser elevator chuck, including the main part, the main part includes two the same semicircle bodies, and the both ends of two semicircle bodies are substructure and female structure that can mutual riveting respectively, and substructure and female structural all are provided with the hinge hole, and two semicircle bodies pass through connection structure fixed connection together, and the bottom of two semicircle bodies all sets up to acute angle joint structure. The utility model has the advantages that: the bottom end of the semicircular body is of an acute-angle clamping structure, an acute angle is clamped in a corresponding tensioning ring when the marine riser is used, the marine riser is encircled by the main body, the joint of the marine riser is clamped on the planar step surface of the main body, and the marine riser is in double fit, so that the stability of the marine riser in the using process is fully ensured; when the marine riser or the casing pipe needs to be replaced, the displacement of the whole marine riser string can be realized through the cooperation of the hydraulic rod, the tensioning ring and the main body, the complex process of disassembling and reassembling the marine riser is omitted, the marine operation efficiency is greatly improved, and the marine operation cost is further reduced.
Description
Technical Field
The utility model relates to a chuck field, concretely relates to novel riser elevator chuck.
Background
Need use the marine riser to keep apart the sea water at deep sea oil drilling in-process, drill floor chuck is used for the marine riser to connect and dismantle usually, and the tensioning ring supports the marine riser, avoids the marine riser of marine riser cluster bottom to take place buckling deformation because of length is too big.
The traditional chuck is arranged on a drilling platform for use and can only clamp a marine riser, when the marine riser needs to be replaced, an old pipe string can only be sequentially disassembled, then a new marine riser is sequentially connected, and then the new marine riser is placed into a corresponding casing pipe for operation, a large amount of time is needed in the process, the cost of offshore operation is high, the disassembly and reconnection processes of the marine riser greatly increase the cost of the offshore operation, and the marine riser occupies a large amount of space after being recovered on a drill floor; when the riser needs to be repaired or displaced underground, the riser needs to be completely hoisted to a drill floor; when the drill floor blocks the riser, the wellhead spider is unable to perform other operations.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a novel riser elevator chuck for the ocean probing can be used in the position department below the drilling worker operation platform above the sea, installs in the tensioning ring, both can play the card to the riser and hold and promote the effect, can carry out holistic removal with the riser again and break out the process, practice thrift recovery time on reducing repeated riser.
The utility model adopts the technical proposal that:
the utility model provides a novel riser elevator chuck, includes the main part, the main part includes two the same semicircle bodies, and the both ends of two semicircle bodies are substructure and female structure that can mutual riveting respectively, substructure and female structural all are provided with the hinge hole, and two semicircle bodies pass through connection structure fixed connection together, and the bottom of two semicircle bodies all sets up to acute angle joint structure, still be provided with the oil cup in the connection structure.
Furthermore, the connecting structure comprises a pin shaft, a fixing plate, a bolt and a gasket, the oil cup is arranged at the bottom inside the pin shaft, an oil outlet hole is formed in the side wall of the pin shaft, and an oil inlet hole is formed in the bottom end of the oil cup.
Furthermore, the two semicircular bodies are riveted relatively, the two sets of sub structures and the two sets of mother structures are riveted respectively, the number of the pin shafts is two, the two pin shafts penetrate through hinge holes in the two sets of riveted sub structures and the two sets of riveted mother structures respectively, threaded holes are formed in the bottom ends of the main body and the pin shafts, bolt holes are formed in the fixing plate, and the pin shafts are fixedly connected with the main body through the fixing plate, the threaded holes and the bolts.
Further, the upper plane of the main body is provided with a step surface.
Furthermore, the main body is also provided with handle mechanisms which can be used for hoisting or walking, and the handle mechanisms are divided into four parts and evenly distributed at the edge of the upper plane of the main body.
Further, the main body is of a hollow structure.
The utility model has the advantages that: 1. the bottom end of the semicircular body is of an acute-angle clamping structure, an acute angle is clamped in a corresponding tensioning ring when the marine riser is used, the marine riser is encircled by the main body, the joint of the marine riser is clamped on the planar step surface of the main body, and the marine riser is in double fit, so that the stability of the marine riser in the using process is fully ensured; 2. when the marine riser needs to be replaced, the whole marine riser string can be displaced or suspended through the cooperation of the hydraulic rod, the tensioning ring and the main body, so that the complex process of disassembling and reassembling the marine riser is omitted, the marine operation efficiency is greatly improved, and the marine operation cost is further reduced; 3. hollow out construction has reduced the dead weight of chuck on the one hand, has increased the use convenience, and on the other hand has reduced the cost of manufacture of chuck.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the explosion structure of the present invention.
Fig. 3 is a schematic cross-sectional view of the present invention.
Fig. 4 is a partially enlarged schematic view of fig. 3.
Fig. 5 is a bottom view of the present invention.
Fig. 6 is a schematic view of the usage state of the present invention.
Wherein: 1. the main part, 2, substructure, 3, female structure, 4, tension ring, 5, oil cup, 6, inlet port, 7, oil outlet, 8, hinge hole, 9, connection structure, 10, acute angle joint structure, 11, step face, 12, handle mechanism, 13, water-stop pipe, 91, round pin axle, 92, fixed plate, 93, bolt, 94, packing ring.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.
As shown in fig. 1, 2, 3, 4 and 5, a novel riser elevator chuck comprises a main body 1, wherein the main body 1 comprises two identical semi-circular bodies, the two ends of the two semi-circular bodies are respectively a sub-structure 2 and a female structure 3 which can be riveted with each other, hinge holes 8 are respectively formed in the sub-structure 2 and the female structure 3, the two semi-circular bodies are fixedly connected together through a connecting structure 9, the bottom ends of the two semi-circular bodies are respectively provided with an acute angle clamping structure 10, an oil cup 5 is further arranged in the connecting structure 9, the connecting structure 9 comprises a pin shaft 91, a fixing plate 92, a bolt 93 and a gasket 94, the oil cup 5 is arranged at the bottom inside the pin shaft 91, an oil outlet 7 is formed in the side wall of the pin shaft 91, an oil inlet 6 is formed in the bottom end of the oil cup 5, the two semi-circular bodies are riveted relatively, the female structure 3 on the other semi-circular body of the sub-structure 2 on one semi, two sets of substructure 2 and female structure 3 are the riveting respectively, round pin axle 91 is total two, two round pin axles 91 pass the hinge hole 8 on substructure 2 and the female structure 3 of two sets of rivets respectively, main part 1 and round pin axle 91 bottom all are provided with the screw hole, also be provided with the bolt hole on the fixed plate 92, round pin axle 91 passes through fixed plate 92, screw hole and bolt 93 are in the same place with main part 1 fixed connection, the last plane of main part 1 is provided with step face 11, main part 1 still is provided with and can be used to hoist or hand-held handle mechanism 12, the total quartering of handle mechanism 12, evenly distributed is in the edge of the last plane of main part 1, main part 1 is hollow out construction.
As shown in fig. 6, the installation process of the novel riser elevator chuck is as follows: (1) clamping and installing the main body 1 on the tensioning ring 4 through the acute-angle clamping structure 10, and then installing the chuck main body 1 and the tensioning ring 4 on the marine riser 13, so that the joint part of the marine riser 13 is just clamped on the step surface 11 of the main body 1; (2) the tensioning ring 4 is firstly installed on the marine riser 13, and then the main body 1 is installed below a joint of the marine riser 13 above the tensioning ring 4, and no matter in the installation sequence, the joint of the chuck main body 1 and the joint of the tensioning ring 4 are in a cross shape, so that the joint of the chuck main body 1 and the joint of the tensioning ring 4 are uniformly stressed; when the riser 13 needs to shift, the hydraulic rod applies force to the tension ring 4, the tension ring 4 transmits the force to the main body 1, and the main body 1 finally lifts and displaces the riser 13 under the action of the force of the hydraulic rod.
Above-mentioned novel riser elevator chuck has following beneficial effect: 1. the bottom end of the semicircular body is of an acute-angle clamping structure, an acute angle is clamped in a corresponding tensioning ring when the marine riser is used, the marine riser is encircled by the main body, the joint of the marine riser is clamped on the planar step surface of the main body, and the marine riser is in double fit, so that the stability of the marine riser in the using process is fully ensured; 2. when the marine riser or the casing pipe needs to be replaced, the whole marine riser string can be displaced or suspended through the cooperation of the hydraulic rod, the tensioning ring and the main body, so that the complex process of disassembling and reassembling the marine riser is omitted, the marine operation efficiency is greatly improved, and the marine operation cost is further reduced; 3. hollow out construction has reduced the dead weight of chuck on the one hand, has increased the use convenience, and on the other hand has reduced the cost of manufacture of chuck.
Claims (6)
1. The utility model provides a novel riser elevator chuck, a serial communication port, which comprises a main body, the main part includes two the same semicircle bodies, and the both ends of two semicircle bodies are substructure and the female structure that can mutual riveting respectively, substructure and female structural all are provided with the hinge hole, and two semicircle bodies pass through connection structure fixed connection together, and the bottom of two semicircle bodies all sets up to acute angle joint structure, still be provided with the oil cup in the connection structure.
2. The novel riser elevator chuck according to claim 1, wherein the connecting structure comprises a pin, a fixing plate, a bolt and a washer, the oil cup is arranged at the bottom inside the pin, an oil outlet is formed in the side wall of the pin, and an oil inlet is formed in the bottom end of the oil cup.
3. The novel riser elevator chuck according to claim 2, wherein two semi-circular bodies are riveted relatively, two sets of the sub-structures and the female structures are riveted respectively, the number of the pin shafts is two, the two pin shafts penetrate through hinge holes of the two sets of riveted sub-structures and the two sets of the hinge holes of the female structures respectively, the main body and the bottom end of the pin shaft are provided with threaded holes, the fixed plate is also provided with bolt holes, and the pin shafts are fixedly connected with the main body through the fixed plate, the threaded holes and the bolts.
4. The novel riser elevator chuck of claim 1, wherein the upper planar surface of the body is provided with a step surface.
5. The novel riser elevator chuck according to claim 1, wherein the main body is further provided with handle mechanisms for hoisting or holding, and the handle mechanisms are divided into four parts and evenly distributed at the edge of the upper plane of the main body.
6. The novel riser elevator chuck of claim 1, wherein the body is a hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920470881.1U CN209959190U (en) | 2019-04-09 | 2019-04-09 | Novel riser elevator chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920470881.1U CN209959190U (en) | 2019-04-09 | 2019-04-09 | Novel riser elevator chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209959190U true CN209959190U (en) | 2020-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920470881.1U Active CN209959190U (en) | 2019-04-09 | 2019-04-09 | Novel riser elevator chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209959190U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869100A (en) * | 2019-04-09 | 2019-06-11 | 江苏如东联丰石油机械有限公司 | A kind of novel marine riser elevator spider |
-
2019
- 2019-04-09 CN CN201920470881.1U patent/CN209959190U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869100A (en) * | 2019-04-09 | 2019-06-11 | 江苏如东联丰石油机械有限公司 | A kind of novel marine riser elevator spider |
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