CN210564455U - Reducing blowout prevention box - Google Patents
Reducing blowout prevention box Download PDFInfo
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- CN210564455U CN210564455U CN201921546248.2U CN201921546248U CN210564455U CN 210564455 U CN210564455 U CN 210564455U CN 201921546248 U CN201921546248 U CN 201921546248U CN 210564455 U CN210564455 U CN 210564455U
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Abstract
The utility model relates to the technical field of petroleum equipment, in particular to a reducing blowout prevention box, which comprises a box body, wherein the box body is composed of two semi-cylinders which are equally divided along the axial section of the box body, one sides of the two semi-cylinders are connected through a hinge, and the other sides of the two semi-cylinders, which are opposite to the hinge, are connected through a lock catch; the upper bottom surface and the lower bottom surface of the box body are symmetrically provided with drilling tool through holes, the drilling tool through holes and the box body are positioned on the same axis, more than two screw rods are arranged on the opposite end surfaces of the upper bottom surface and the lower bottom surface of the box body at intervals, the screw rods are relatively vertical to the upper bottom surface or the lower bottom surface, and the screw rods are connected with nuts; still include the interior round-ring body of circle of multiunit not unidimensional, the ring body passes through the removable machine of screw rod and nut to be fixed at the box body intracavity. The utility model has the advantages of being reasonable in structure and simple in operation, according to not unidimensional drilling tool, the quick replacement tourus realizes preventing spouting the box and can use on multiple not unidimensional drilling tool, carries out the purpose of protecting to mud splash.
Description
Technical Field
The utility model relates to a technical field is equipped to the oil, concretely relates to box is prevented spouting by reducing.
Background
In the process of drilling operation, when a screw thread between a drilling tool and the drilling tool is unscrewed and lifted, the phenomenon of mud splashing often occurs due to the action of pressure difference, and in order to prevent mud splashing, a blowout prevention box is adopted for protection, so that the effects of collecting mud, keeping field sanitation and protecting field operators are achieved;
the traditional blowout prevention box is provided with a drilling tool hole with a fixed size, the blowout prevention box is clamped on a drilling tool when the blowout prevention box is used, a screw thread connected with the drilling tool is positioned in the blowout prevention box, then the drilling tool is unscrewed and lifted, although the blowout prevention box effectively collects splashed mud into the blowout prevention box, for a plurality of drilling tools with different outer diameters in an operation field, the blowout prevention boxes with different sizes are required to be prepared in advance, the preparation process and the placement of the blowout prevention boxes are quite complicated, and therefore under the background, the inventor wants to design and process a reducing blowout prevention box to meet the requirements of the operation field on the blowout prevention boxes with different sizes.
Disclosure of Invention
The utility model discloses an aim at is exactly to the defect that prior art exists, provides a box is prevented spouting in the reducing, and its is rational in infrastructure, and box body inside detachable is connected with multiple not unidimensional tourus to can use on multiple not unidimensional drilling tool, protect the mud splash.
The technical scheme of the utility model is that: a reducing blowout prevention box comprises a cylindrical box body, wherein the box body is formed by two semi-cylinders which are equally divided along the axial section of the box body, one sides of the two semi-cylinders are connected through a hinge, and the other sides of the two semi-cylinders, which are opposite to the hinge, are connected through a lock catch;
the upper bottom surface and the lower bottom surface of the box body are symmetrically provided with drilling tool through holes, the drilling tool through holes and the box body are positioned on the same axis, more than two screw rods are arranged on the opposite end surfaces of the upper bottom surface and the lower bottom surface of the box body at intervals, the screw rods are relatively vertical to the upper bottom surface or the lower bottom surface, and nuts are connected on the screw rods;
the screw rod hole is matched with the screw rod, and a plurality of groups of screw rod holes are formed in the circular ring body, the outer circumference of the circular ring body is matched with the inner circumference of the box body, and the size of the largest inner circle in the multiple groups of circular ring bodies is the same as that of the through hole of the drilling tool.
Preferably, the hinge comprises a pin shaft and two first shaft sleeves respectively connected to the side edges of the two semi-cylinders, the two first shaft sleeves are located on the same axis, and the pin shaft sequentially penetrates through the two first shaft sleeves and is rotatably connected with the two first shaft sleeves.
Preferably, the lock catch comprises a T-shaped bolt and two second shaft sleeves respectively connected to the side edges of the two semi-cylinders, the two second shaft sleeves are located on the same axis, and the insertion end of the T-shaped bolt is matched with the second shaft sleeves.
Preferably, the first shaft sleeve is a curled shaft sleeve integrally formed with the semi-cylinder.
Preferably, the second shaft sleeve is a curled shaft sleeve integrally formed with the semi-cylinder.
Preferably, the semi-cylinder is provided with a pulp discharge port, and the pulp discharge port is communicated with the inner cavity of the semi-cylinder.
Preferably, handles are arranged on the outer walls of the two semi-cylinders.
Preferably, the semicircular ring body is composed of a semicircular ring-shaped framework and rubber which is poured and wrapped on the framework, and the framework is made of stainless steel materials.
Compared with the prior art, the utility model, have following advantage: the utility model has reasonable structure and simple operation, and can realize that the same blowout prevention box can be applied to drilling tools with various sizes according to the drilling tools with different sizes and the rapid replacement of the ring body, thereby achieving the purpose of preventing mud splashing and avoiding the complicated step that a large number of blowout prevention boxes with different inner diameters need to be prepared in the previous operation site, thereby saving the labor cost and the time cost and laying a solid foundation for safe and high-efficiency production;
simultaneously, the slurry discharging port arranged on the semi-cylinder can discharge the splashed slurry from the drainage outlet in the box body to the slurry tank for collection, so that on one hand, the pollution to the environment is avoided, and on the other hand, the slurry waste is prevented.
Drawings
FIG. 1 is a schematic structural diagram of a cartridge;
FIG. 2 is a schematic structural diagram of a torus;
in the figure: 1. the screw rod, 2, drilling tool through-hole, 3, box body, 4, handle, 5, arrange thick liquid mouth, 6, hinge, 7, hasp, 8, tourus, 9, interior circle, 10, screw rod hole, 11, round pin axle, 12, first axle sleeve, 13, T type bolt, 14, second axle sleeve.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
Referring to fig. 1 and 2, the reducing blowout prevention box comprises a cylindrical box body 3, wherein the box body 3 is formed by two semi-cylinders which are equally divided along the axial section of the box body 3, one sides of the two semi-cylinders are connected through a hinge 6, and the other sides of the two semi-cylinders, which are opposite to the hinge 6, are connected through a lock catch 7;
the upper bottom surface and the lower bottom surface of the box body 3 are symmetrically provided with drilling tool through holes 2, the drilling tool through holes 2 and the box body 3 are positioned on the same axis, more than two screw rods 1 are arranged on the opposite end surfaces of the upper bottom surface and the lower bottom surface of the box body 3 at intervals, the screw rods 1 are relatively vertical to the upper bottom surface or the lower bottom surface, and the screw rods 1 are in threaded connection with nuts;
the circular ring body 8 of circle 9 in still including the different sizes of multiunit, the circular ring body 8 of every group all comprises the semicircle ring body 8 concatenation of two mutual symmetries, be equipped with on the circular ring body 8 with 1 complex screw rod hole 10 of screw rod, the outer circumference of the circular ring body 8 of multiunit all with the 9 week adaptations of the interior circle of box body 3 to 9 sizes of the biggest interior circle are the same with drilling tool through-hole 2 sizes in the multiunit circular ring body 8.
As a preferable mode of the embodiment, the slurry discharge port 5 is formed in the semi-cylinder, the slurry discharge port 5 is communicated with the inner cavity of the semi-cylinder, and the slurry discharge port 5 is connected with the conduit, so that the splashed slurry can be guided out of the slurry tank in the box body 3 to be collected, on one hand, the pollution to the environment is avoided, and on the other hand, the slurry waste is prevented;
all be equipped with handle 4 on the outer wall of two semicircles section of thick bamboos, be convenient for more to opening and shutting of box body 3 through the handle.
In the work:
firstly, selecting two groups of proper circular ring bodies 8 according to the outer diameter of the drilling tool;
the inner diameter of the annular ring 8 to be arranged on the lower bottom surface of the box body 3 is generally selected to be the same as the outer diameter of the drilling tool so as to be convenient for sealing;
the inner diameter of the annular body 8 mounted on the upper bottom surface of the box body 3 is generally selected to be slightly larger than the outer diameter of the drilling tool, so that the drilling tool can smoothly slide in the inner circle of the annular body 8.
Next, placing the two selected groups of ring bodies 8 on the lower bottom surface and the lower bottom surface of the box body 3 respectively for fixed installation, specifically, enabling a screw on the box body 3 to penetrate through a screw hole 10 on the ring body 8, and then fixing the two groups of ring bodies 8 on the lower bottom surface and the lower bottom surface of the box body 3 respectively through nuts;
next, clamping the box body 3 on a drilling tool, placing the drilling tool in the inner circles of the circular ring bodies on the two sides of the box body 3, positioning the screw thread to be unscrewed on the drilling tool in the cavity of the box body 3, and then closing the lock catch 7;
finally, after the screw thread is unscrewed, the drilling tool above is lifted, mud gushes out from the unscrewed screw thread of the drilling tool in the box body 3 and is collected in the box body, and then the mud is guided out of the box body 3 through the mud discharging port 5 and is collected in a mud pool;
the utility model has the advantages of being reasonable in structure and simple in operation, according to not unidimensional drilling tool, quick replacement tourus 8 realizes that same prevent spouting the box and can use on multiple not unidimensional drilling tool, carries out the purpose of protection to mud splash, avoids the loaded down with trivial details step that the operation scene need prepare a large amount of different internal diameters and prevent spouting the box before to practice thrift cost of labor and time cost, laid solid basis for safe high-efficient production.
Example 2
The embodiment is optimized on the basis of embodiment 1;
the hinge 6 comprises a pin shaft 11 and two first shaft sleeves 12 respectively connected to the side edges of the two semi-cylinders, the two first shaft sleeves 12 are located on the same axis, and the pin shaft 11 sequentially penetrates through the two first shaft sleeves 12 and is rotatably connected with the two first shaft sleeves.
The lock catch 7 comprises a T-shaped bolt 13 and two second shaft sleeves 14 respectively connected to the side edges of the two semi-cylinders, the two second shaft sleeves 14 are located on the same axis, and the insertion end of the T-shaped bolt 13 is matched with the second shaft sleeves 14.
The first shaft sleeve 12 is a curled shaft sleeve integrally formed with one of the semicircular cylinders on the box body, the second shaft sleeve 14 is a curled shaft sleeve integrally formed with the other semicircular cylinder, and the structural strength of connection among the first shaft sleeve, the second shaft sleeve and the semicircular cylinders is increased by designing the first shaft sleeve and the second shaft sleeve to be integrally formed with the semicircular cylinders.
Example 3
The embodiment is optimized on the basis of embodiment 1;
the semi-circular ring body is composed of a framework and rubber poured and wrapped on the framework, wherein the framework is in a semi-circular ring shape, and the framework is made of stainless steel materials, so that the rigidity strength can be met, and the corrosion resistance is good.
Through the structure with the semicircular ring body design for metal framework and external rubber layer, can guarantee the structural strength of the tourus 8 that the semicircular ring body splices into, can utilize rubber elastic deformation's characteristics again, strengthen 8 tourus and box body 3, the sealed between the drilling tool.
The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the spirit of the present invention, and the changed contents still belong to the protection scope of the present invention.
Claims (8)
1. The utility model provides a box is prevented spouting in reducing, includes cylindric box body, its characterized in that: the box body is composed of two semi-cylinders which are equally divided along the axial section of the box body, one sides of the two semi-cylinders are connected through a hinge, and the other sides of the two semi-cylinders, which are opposite to the hinge, are connected through a lock catch;
the upper bottom surface and the lower bottom surface of the box body are symmetrically provided with drilling tool through holes, the drilling tool through holes and the box body are positioned on the same axis, more than two screw rods are arranged on the opposite end surfaces of the upper bottom surface and the lower bottom surface of the box body at intervals, the screw rods are relatively vertical to the upper bottom surface or the lower bottom surface, and nuts are connected on the screw rods;
the screw rod hole is matched with the screw rod, and a plurality of groups of screw rod holes are formed in the circular ring body, the outer circumference of the circular ring body is matched with the inner circumference of the box body, and the size of the largest inner circle in the multiple groups of circular ring bodies is the same as that of the through hole of the drilling tool.
2. The variable diameter blowout preventer cartridge according to claim 1, wherein: the hinge comprises a pin shaft and two first shaft sleeves respectively connected to the side edges of the two semi-cylinders, the two first shaft sleeves are located on the same axis, and the pin shaft sequentially penetrates through the two first shaft sleeves and is rotatably connected with the two first shaft sleeves.
3. The variable diameter blowout preventer cartridge according to claim 1, wherein: the lock catch comprises a T-shaped bolt and two second shaft sleeves respectively connected to the side edges of the two semi-cylinders, the two second shaft sleeves are located on the same axis, and the insertion end of the T-shaped bolt is matched with the second shaft sleeves.
4. The variable diameter blowout preventer cartridge according to claim 2, wherein: the first shaft sleeve is a curled edge shaft sleeve integrally formed with the semi-cylinder.
5. The variable diameter blowout preventer cartridge according to claim 3, wherein: the second shaft sleeve is a curled edge shaft sleeve integrally formed with the semi-cylinder.
6. The variable diameter blowout preventer cartridge according to claim 1, wherein: and the semi-cylinder is provided with a pulp discharge port which is communicated with the inner cavity of the semi-cylinder.
7. The variable diameter blowout preventer cartridge according to claim 1, wherein: handles are arranged on the outer walls of the two semi-cylinders.
8. The variable diameter blowout preventer cartridge according to claim 1, wherein: the semicircular ring body is composed of a semicircular annular framework and rubber which is poured and wrapped on the framework, and the framework is made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921546248.2U CN210564455U (en) | 2019-09-18 | 2019-09-18 | Reducing blowout prevention box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921546248.2U CN210564455U (en) | 2019-09-18 | 2019-09-18 | Reducing blowout prevention box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210564455U true CN210564455U (en) | 2020-05-19 |
Family
ID=70658685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921546248.2U Active CN210564455U (en) | 2019-09-18 | 2019-09-18 | Reducing blowout prevention box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210564455U (en) |
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2019
- 2019-09-18 CN CN201921546248.2U patent/CN210564455U/en active Active
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