CN218902271U

CN218902271U - Automatic spraying device for tubular column screw thread oil

Info

Publication number: CN218902271U
Application number: CN202223229175.9U
Authority: CN
Inventors: 马艳妮; 闫文辉; 吴恒
Original assignee: Xian Shiyou University
Current assignee: Xian Shiyou University
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-04-25
Anticipated expiration: 2032-12-02

Abstract

The automatic spraying device for the pipe column screw thread oil comprises an interface shell, wherein the lower part of the interface shell is connected with the pipe column shell through threads, a bolt is connected with the lower part of the pipe column shell, a spray head chamber is connected with the lower part of the bolt, and a lower cover plate is connected with the lower part of the spray head chamber in a sealing manner; compressed gas and screw threads respectively flow into the interface shell from the gas inlet and the oil inlet through hoses, respectively flow into the nozzle chamber through a vent pipe and an oil passage which are connected with the interface shell through bolts, flow out of the nozzle chamber through a vent rod and an oil rod into a nozzle, and are atomized and sprayed out after mixed impact at the nozzle shell; the utility model has small volume and simple structure, can realize uniform spraying of pipe diameters with different sizes, and simultaneously has multiple spray nozzles for spraying, thereby improving the spraying efficiency.

Description

Automatic spraying device for tubular column screw thread oil

Technical Field

The utility model relates to the technical field of thread oil coating, in particular to an automatic spraying device for tubular column thread oil.

Background

In the oil well drilling and single joint operation, drill rod screw thread oil is used as a lubricant and an antiwear agent between the surfaces of the male thread and the female thread of the joint, the screwing degree of the joint thread is kept, the joint thread is prevented from screwing or unscrewing again, and the service life of the drill rod joint thread is prolonged.

The patent application document with the publication number of CN209334033U discloses a threaded oil spraying device on the threaded surface of a sleeve, which comprises a conveying mechanism, a rotating mechanism and a spraying mechanism, wherein the sleeve is conveyed to the spraying mechanism through the conveying mechanism to stop, the rotating mechanism enables the sleeve to rotate during spraying, the spraying mechanism comprises a mist collecting cover and an atomizing nozzle, the mist collecting cover is formed by combining two half covers which are arranged in a mirror symmetry mode, the two half covers are respectively arranged on a slideway, the atomizing nozzle is arranged in one half cover, the other half cover is connected with an atomizing gas collecting pipe, the problem that the smearing of threaded oil is operated manually and the smearing non-uniformity efficiency is low is solved, but the device is large in size, complex in structure and limited in application environment.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model aims to provide the automatic spraying device for the threaded oil of the pipe column, which adopts the vent pipe in the pipe column shell and the oil passage formed between the vent pipe and the pipe column shell to transport oil and gas to the spray head chamber, and forms atomization after the impact of compressed gas and high-speed flowing oil, and simultaneously, the spraying device is sprayed by a plurality of nozzles to finish high-efficiency spraying, and has the characteristics of small volume and simple structure.

In order to achieve the above purpose, the specific technical scheme adopted by the utility model is as follows:

the utility model provides a tubular column screw thread oil automatic spraying device, includes interface shell 1, passes through threaded connection tubular column shell 2 below the interface shell 1, connecting bolt 11 below the tubular column shell 2, connects shower nozzle room 3 below the bolt 11, passes through threaded sealing connection lower cover plate 5 below the shower nozzle room.

The interface housing 1 comprises a gas inlet 6 at the upper end and a lower port connected with the tubular column housing 2, an oil inlet 7 is arranged at the side edge position, and a small hole 8 is arranged at the outer edge position.

The inner cavity of the tubular column shell 2 is provided with a vent pipe 9, and an oil passage 10 is formed between the vent pipe 9 and the inner cavity of the tubular column shell 2; the upper end of the breather pipe 9 communicates with the gas inlet 6, and the upper end of the oil passage 10 communicates with the oil inlet 7.

The side surface of the spray head chamber 3 is communicated with a plurality of spray nozzles 4, one end of the spray head chamber 3 connected with a bolt 11 is provided with an internal threaded hole 12, the upper end of the internal threaded hole 12 is communicated with the lower end of a vent pipe 9, the lower end of the internal threaded hole 12 is communicated with the upper end of a vent rod 13 arranged in the spray head chamber 3, and the lower end of the vent rod 13 is communicated with the spray nozzles 4; the periphery of the internal threaded hole 12 is uniformly provided with a plurality of oil through holes 22, the upper ends of the oil through holes 22 are communicated with the lower end of the oil passage 10, and the lower ends of the oil through holes 22 are communicated with the oil cavity 21; an oil passage rod 14 is arranged in the nozzle chamber 3, the upper end of the oil passage rod 14 is communicated with the nozzle 4, and the lower end of the oil passage rod 14 is communicated with an oil chamber 21.

The nozzle 4 comprises a nozzle 15, wherein a gas nozzle 20 is arranged in the middle of the interior of the nozzle 15, and a plurality of oil injection ports 19 are uniformly distributed on the periphery of the gas nozzle 20; the air jet 20 is communicated with the lower end of the ventilation rod 13, and the oil jet 19 is communicated with the upper end of the oil ventilation rod 14.

The number of the ventilation bars 13 is plural.

The number of the oil passing rods 14 is multiple, and the oil passing rods 14 are rods with a certain inclination.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The utility model adopts the vent pipe in the pipe column shell and the oil passage formed between the vent pipe and the pipe column shell to transport oil and gas to the nozzle chamber, and the oil and gas are sprayed out through the nozzle, so that the utility model has simple structure and smaller volume and can be installed on an iron driller.

(2) The utility model can realize uniform spraying of pipe diameters with different sizes by adjusting parameters such as pressure, flow, air inflow and the like.

(3) According to the utility model, the high-efficiency spraying of the screw thread oil is completed through simultaneous spraying of multiple nozzles.

The utility model utilizes compressed gas to form atomization spraying after being impacted with high-speed flowing oil, realizes automation and standardization of pipe column screw thread oil injection, has the advantages of good oil injection quality consistency and high efficiency, and is suitable for drill columns and pipe columns of various oil wells.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic structural view of the interface housing 1 of the present utility model.

Fig. 3 is a structural cross-sectional view of the column housing 2 of the present utility model.

Fig. 4 is a schematic structural view of the bolt 11 of the present utility model.

Fig. 5 is a schematic structural view of the showerhead chamber 3 of the present utility model.

Fig. 6 is a schematic view showing the internal structure of the head chamber 3 of the present utility model.

Fig. 7 is a schematic cross-sectional structure of the shower head chamber 3 of the present utility model.

Fig. 8 is a schematic view of the structure of the nozzle 4 of the present utility model.

Fig. 9 is a schematic cross-sectional structure of the shower head 15 of the present utility model.

In the figure: 1. an interface housing; 2. a tubular column housing; 3. a shower head chamber; 4. a nozzle; 5. a lower cover plate; 6. a gas inlet; 7. an oil inlet; 8. a small hole; 9. a vent pipe; 10. an oil passage; 11. a bolt; 12. an internal threaded hole; 13. a ventilation rod; 14. an oil-passing rod; 15. a spray head; 16. a gasket; 17. a hexagonal nut; 18. a nozzle housing; 19. an oil spraying port; 20. an air jet; 21. an oil chamber; 22. and an oil through hole.

Detailed Description

The structural and operational principles of the present utility model will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1, the automatic spraying device for the pipe column screw thread oil comprises an interface shell 1, wherein the lower part of the interface shell 1 is connected with a pipe column shell 2 through threads, a bolt 11 is connected with the lower part of the pipe column shell 2, a spray head chamber 3 is connected with the lower part of the bolt 11, and a lower cover plate 5 is connected with the lower part of the spray head chamber through threads in a sealing manner.

As shown in fig. 2, the interface housing 1 includes a gas inlet 6 at the upper end and a lower port connected to the column housing 2, an oil inlet 7 is disposed at a side position, a small hole 8 is disposed at an outer edge position, a hose introduces air from the gas inlet 6, a hose introduces screw oil from the oil inlet 7, and the small hole 8 is used for fixing the present spraying device.

As shown in fig. 3, the inner cavity of the tubular column casing 2 is provided with a vent pipe 9, and an oil passage 10 is formed between the vent pipe 9 and the inner cavity of the tubular column casing 2; the upper end of the breather pipe 9 communicates with the gas inlet 6, and the upper end of the oil passage 10 communicates with the oil inlet 7.

As shown in fig. 4, the upper joint of the bolt 11 is connected with the column casing 2, and the lower joint is connected with the shower head chamber 3.

As shown in fig. 5, 6 and 7, the side surface of the nozzle chamber 3 is communicated with a plurality of nozzles 4, one end of the nozzle chamber 3 connected with a bolt 11 is provided with an internal threaded hole 12, the upper end of the internal threaded hole 12 is communicated with the lower end of a vent pipe 9, the lower end of the internal threaded hole 12 is communicated with the upper end of a vent rod 13 arranged in the nozzle chamber 3, the lower end of the vent rod 13 is communicated with the nozzles 4, and air enters the vent pipe 9 from the air inlet 6, flows into the vent rod 13 through the internal threaded hole 12 and then is ejected through the nozzles 4; the periphery of the internally threaded hole 12 is uniformly provided with a plurality of oil through holes 22, the upper ends of the oil through holes 22 are communicated with the lower end of the oil passage 10, the lower ends of the oil through holes 22 are communicated with the oil cavity 21, the oil through rod 14 is arranged in the nozzle chamber 3, the upper end of the oil through rod 14 is communicated with the nozzle 4, the lower end of the oil through rod 14 is communicated with the oil cavity 21, the oil through rod 14 is a rod piece with a certain inclination, oil flows into the oil passage 10 from the oil inlet 7, flows into the oil cavity 21 through the oil through holes 22, flows into the nozzle 4 through the oil through rod 14 and is sprayed out, and the transportation of oil gas is completed.

As shown in fig. 8 and 9, the nozzle 4 comprises a nozzle 15, a nozzle 20 is arranged in the center of the interior of the nozzle 15, a plurality of oil injection ports 19 are uniformly distributed on the periphery of the nozzle 20, and a gasket 16, a hexagonal nut 17 and a nozzle shell 18 are fixedly connected through threads. The oil flows into the nozzle 4 from the oil through rod 14 through the small hole on the gasket 16 and then is sprayed out from the oil spraying port 19, the gas flows into the nozzle 4 from the air through rod 13 and then is sprayed out from the air spraying port 20, and the oil and the gas are mixed and impacted at the nozzle shell 18 to be sprayed out to finish the spraying work.

The working principle of the utility model is as follows:

compressed gas and screw threads respectively flow into the interface housing 1 from the gas inlet 6 and the oil inlet 7 through hoses, respectively flow into the nozzle chamber 3 through the bolts 11 through the breather pipe 9 and the oil passage 10 which are connected with the interface housing 1, flow out of the nozzle chamber 3 through the breather rod 13 and the oil passing rod 14, enter the nozzle 4, are mixed and impacted at the nozzle housing 18, and are atomized and sprayed out.

Claims

1. The automatic spraying device for the pipe column screw thread oil is characterized by comprising an interface shell (1), wherein the pipe column shell (2) is connected below the interface shell (1) through threads, a bolt (11) is connected below the pipe column shell (2), a connecting spray head chamber (3) is connected below the bolt (11), and a lower cover plate (5) is connected below the spray head chamber in a sealing mode.

2. The automatic spraying device for the threaded oil of the pipe column according to claim 1, wherein the interface housing (1) comprises a gas inlet (6) at the upper end and a lower port connected with the pipe column housing (2), an oil inlet (7) is arranged at the side position, and a small hole (8) is arranged at the outer edge position.

3. The automatic spraying device for the pipe string screw thread oil according to claim 1 or 2, wherein the inner cavity of the pipe string housing (2) is provided with a vent pipe (9), and an oil passage (10) is formed between the vent pipe (9) and the inner cavity of the pipe string housing (2); the upper end of the breather pipe (9) is communicated with the gas inlet (6), and the upper end of the oil passage (10) is communicated with the oil inlet (7).

4. The automatic spraying device for tubular column screw thread oil according to claim 1, wherein a plurality of nozzles (4) are communicated with the side surface of the nozzle chamber (3), an internally threaded hole (12) is arranged at one end of the nozzle chamber (3) connected with a bolt (11), the upper end of the internally threaded hole (12) is communicated with the lower end of a vent pipe (9), the lower end of the internally threaded hole (12) is communicated with the upper end of a vent rod (13) arranged in the nozzle chamber (3), and the lower end of the vent rod (13) is communicated with the nozzles (4); the periphery of the internal threaded hole (12) is uniformly provided with a plurality of oil through holes (22), the upper ends of the oil through holes (22) are communicated with the lower ends of the oil passages (10), and the lower ends of the oil through holes (22) are communicated with the oil chamber (21); an oil passing rod (14) is arranged in the spray head chamber (3), the upper end of the oil passing rod (14) is communicated with the spray nozzle (4), and the lower end of the oil passing rod (14) is communicated with the oil chamber (21).

5. The automatic spraying device for tubular column screw thread oil according to claim 4, wherein the nozzle (4) comprises a spray head (15), a spray nozzle (20) is arranged in the center of the inside of the spray head (15), and a plurality of oil spraying ports (19) are uniformly distributed on the periphery of the spray nozzle (20); the air jet (20) is communicated with the lower end of the ventilation rod (13), and the oil jet (19) is communicated with the upper end of the oil ventilation rod (14).

6. The automatic spraying device for the pipe string screw oil according to claim 4, wherein a plurality of ventilation rods (13) are provided.

7. The automatic spraying device for the threaded oil of the pipe string according to claim 4, wherein the plurality of oil through rods (14) is provided, and the oil through rods (14) are rod pieces with a certain inclination.