CN213670746U - Automatic cleaning device for external threads and inner wall of drill tool joint - Google Patents
Automatic cleaning device for external threads and inner wall of drill tool joint Download PDFInfo
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- CN213670746U CN213670746U CN202022438222.5U CN202022438222U CN213670746U CN 213670746 U CN213670746 U CN 213670746U CN 202022438222 U CN202022438222 U CN 202022438222U CN 213670746 U CN213670746 U CN 213670746U
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Abstract
The invention discloses an automatic cleaning device for external threads and inner walls of a drill tool joint.A cleaning trolley is driven by a first electric cylinder to move back and forth in a track, a cleaning servo motor is arranged on the cleaning trolley, and a pinion is arranged at the output end of the cleaning servo motor; the water inlet shaft is arranged on the cleaning trolley, the water inlet of the water inlet shaft is connected with a water source through a high-pressure rotary joint, the end of the water inlet is sleeved with a large gear meshed with a small gear, and the end of the water outlet is fixedly sleeved with a cleaning brush mounting ring; a water spraying rod and an external thread cleaning brush are arranged on the cleaning brush mounting ring; one end of the water spray rod is connected to the water outlet of the water inlet shaft, and the other end of the water spray rod is provided with a corner spray head; the positioning trolley is driven by a second electric cylinder to move back and forth in the track, a positioning ring is arranged on the positioning trolley, and a water spraying joint is arranged on the positioning ring. The utility model discloses can realize drilling tool joint external screw thread and inner wall self-cleaning's purpose, can improve drilling tool cleaning quality and efficiency, the artifical intensity of labour that washs of greatly reduced.
Description
Technical Field
The utility model relates to a petroleum drilling tool washs technical field, specifically is a drilling tool connects external screw thread and inner wall self-cleaning device.
Background
The drilling tool is used as an important tool in the petroleum drilling process, and is frequently subjected to complex alternating loads such as stretching, torsion and the like in the using process, so that the drilling tool needs to be periodically recovered, detected and repaired to ensure the safe production of drilling. Because the surface of the recovered drilling tool is adhered with oil stain, slurry and the like, the threads of the joint of the drilling tool must be cleaned before detection, so that the detection accuracy is ensured, and meanwhile, the abrasion to flaw detection equipment is reduced.
At present, the main mode of cleaning a drill tool joint is cleaning by manually holding a high-pressure water gun, and the cleaning mode has the defects that oil stains or slurry on threads are not thoroughly cleaned, the cleaning quality is poor, the manual cleaning efficiency is low, the labor intensity is high, and the inner wall can not be cleaned almost.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, an object of the utility model is to provide a drilling tool joint external screw thread and inner wall self-cleaning device can realize automatic the washing to drilling tool joint external screw thread and inner wall, uses easy operation, and cleaning quality is high, and the cleaning efficiency is high. The technical scheme is as follows:
an automatic cleaning device for external threads and inner walls of a drill tool joint comprises an external thread cleaning unit and an inner wall cleaning unit; the external thread cleaning unit comprises a cleaning trolley, a first electric cylinder and a water inlet shaft; the cleaning trolley is driven by a first electric cylinder to move back and forth in the track, a cleaning servo motor is arranged on the cleaning trolley, and a pinion is arranged at the output end of the cleaning servo motor; the water inlet shaft is horizontally arranged on the cleaning trolley through a bearing seat, the water inlet of the water inlet shaft is connected with a water source through a high-pressure rotary joint, the end of the water inlet is sleeved with a large gear meshed with the small gear, and the water outlet end is fixedly sleeved with a cleaning brush mounting ring through a spline structure; the outer ring of the cleaning brush mounting ring is provided with a plurality of water spray rods, and the inner ring of the cleaning brush mounting ring is provided with an external thread cleaning brush; one end of the water spray rod is connected to the water outlet of the water inlet shaft through a metal hose, and the other end of the water spray rod is provided with a corner nozzle; the inner wall cleaning unit comprises a positioning trolley and a second electric cylinder; the positioning trolley is driven by a second electric cylinder to move back and forth in the track, a positioning ring is arranged on the positioning trolley, and a water spraying joint is arranged on the positioning ring.
Furthermore, the cleaning trolley further comprises a cleaning cart, a track support is arranged on the cleaning cart, and the cleaning trolley and the moving track of the positioning trolley are arranged above the track support.
Furthermore, the cleaning trolley comprises a bottom plate and a push plate vertically fixed on the bottom plate; one end of the first electric cylinder is fixed on the track support through the mounting column, and the other end of the first electric cylinder is fixed on the push plate.
Furthermore, the positioning trolley comprises a bottom plate and a push plate vertically fixed on the bottom plate; one end of the second electric cylinder is fixed on the track support through the mounting column, and the other end of the second electric cylinder is fixed on the push plate.
Furthermore, the end face of the external thread cleaning brush has a taper consistent with the external thread of the drilling tool.
The utility model has the advantages that: the utility model discloses can realize drilling tool joint external screw thread and inner wall self-cleaning's purpose, can improve drilling tool cleaning quality and efficiency, the artifical intensity of labour that washs of greatly reduced.
Drawings
Fig. 1 is a schematic view of the structure of the automatic cleaning device for the external thread and the inner wall of the drill tool joint of the present invention.
Fig. 2 is a schematic view of the overlooking structure of the automatic cleaning device for the external thread and the inner wall of the drill tool joint of the present invention.
Fig. 3 is a schematic view of the mounting structure of the external thread cleaning brush.
In the figure: 1. a base; 2. a cart wheel system; 3. cleaning the cart; 4. a rail bracket; 5. a first electric cylinder; 6. cleaning the trolley; 7. cleaning the servo motor; 8. a high pressure swivel; 9. a water inlet shaft; 10. a metal hose; 11. a water spray bar; 12. a cleaning brush mounting ring; 13. a corner nozzle; 14. drilling tools; 15. a bearing seat; 16. a trolley wheel system; 17. positioning a trolley; 18. positioning a bottom plate of the trolley; 19. a water spray joint; 20. positioning rings; 21. a second electric cylinder; 22. and (4) cleaning brushes with external threads.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. As shown in fig. 1 and 2, the automatic cleaning device for the external thread and the inner wall of the drill tool joint of the present invention comprises an external thread cleaning unit and an inner wall cleaning unit; the external thread cleaning unit comprises a cleaning trolley 6, a first electric cylinder 5 and a water inlet shaft 9; the cleaning trolley 6 is driven by the first electric cylinder 5 to move back and forth in the track, a cleaning servo motor 7 is arranged on the cleaning trolley 6, and a pinion is arranged at the output end of the cleaning servo motor 7; the water inlet shaft 9 is horizontally arranged on the cleaning trolley 6 through a bearing seat 15, a water inlet of the water inlet shaft is connected with a water source through a high-pressure rotary joint 8, a large gear meshed with the small gear is sleeved at the end of the water inlet, and a cleaning brush mounting ring 12 is fixedly sleeved at the water outlet end through a spline structure; a plurality of water spray rods 11 are arranged on the outer ring of the cleaning brush mounting ring 12, and an external thread cleaning brush 22 is arranged on the inner ring; one end of the water spraying rod 11 is connected to the water outlet of the water inlet shaft 9 through a metal hose 10, and the other end is provided with an angle spray head 13. The first electric cylinder can push the cleaning trolley to move back and forth, and the cleaning of the full thread length of the external thread of the drilling tool is realized. The flushing nozzle component is powered by an external water pump to enable the water flow sprayed by the flushing nozzle component to reach about 5MPa of pressure, and water flow is conveniently provided for flushing when the cleaning brush scrubs the external threads of the drilling tool.
The inner wall cleaning unit comprises a positioning trolley 17 and a second electric cylinder 21; the positioning trolley 17 is driven by a second electric cylinder 21 to move back and forth in the track, a positioning ring 20 is arranged on the positioning trolley 17, a water spraying joint 19 is arranged on the positioning ring 20, and the external water pump provides power to wash the inner wall of the drilling tool.
The embodiment also comprises a cleaning cart 3, a track support 4 is arranged on the cleaning cart 3, and the moving tracks of the cleaning trolley 6 and the positioning trolley 17 are arranged above the track support 4.
The cleaning servo motor 7 is fixedly arranged on a motor mounting plate which is fixedly arranged on a bottom plate of the cleaning trolley 6; the cleaning trolley 6 is connected with the first electric cylinder 5 through a push plate, the other end of the first electric cylinder is fixedly arranged on an electric cylinder mounting column, and the first electric cylinder mounting column is fixedly arranged on the track support; the first electric cylinder 5 can push the cleaning trolley 6 to move back and forth, and the cleaning of the full thread length of the external thread of the drilling tool is realized. The positioning trolley 17 is connected with a second electric cylinder 21 through a push plate, the other end of the second electric cylinder 21 is fixedly arranged on an electric cylinder mounting column, and the second electric cylinder 21 mounting column is fixedly arranged on a track support; the second electric cylinder 21 can push the positioning trolley 17 to move back and forth, so that the inner wall of the drilling tool can be cleaned. Four rollers are symmetrically arranged at the lower parts of the bottom plates of the cleaning trolley 6 and the positioning trolley 17 respectively, and the four rollers are arranged in the trolley support rails. The cleaning trolley support and the positioning trolley support are respectively arranged on a cart bottom plate, and the cart bottom plate is arranged in a cart track through a wheel system.
As shown in fig. 3, the cleaning brush mounting ring 12 is provided with a groove matched with the external thread cleaning brush 22, the external thread cleaning brush 22 is uniformly mounted on the cleaning brush mounting ring 12 in an angle of 120 °, and the position of the external thread cleaning brush is adjustable, so that the cleaning of external threads of drilling tools with different external diameters is realized. The plane of the external thread cleaning brush has a certain taper, the taper of the external thread cleaning brush is consistent with that of the external thread of the drilling tool, and the cleaning brush can be guaranteed to be in good fit contact with the external thread of the drilling tool.
The utility model discloses implementation process: when the drilling tool 14 to be cleaned enters the cleaning station material rack and the positioning trolley 17 is far away from the drill rod joint, the second electric cylinder 21 moves rapidly; when the distance from the drill rod joint is 50mm, the second electric cylinder 21 moves slowly to push the positioning ring 20 of the positioning trolley 17 to contact the end face of the external thread joint of the drilling tool, the second electric cylinder 21 stops moving forwards, the internal flushing water pump connected with the water spray joint 19 in an external mode starts working, the inner wall of the drilling tool 14 is flushed, and after flushing is completed, the internal flushing water pump stops working. The second electric cylinder 21 rotates reversely, and the positioning trolley 17 moves fast to move back to the initial position.
The drilling tool 14 enters the external thread cleaning station through the upender and the first electric cylinder 5 moves forward rapidly when the drilling tool is far from the drill rod joint. When the position is closer to the drill rod joint, the first electric cylinder 5 moves slowly, the cleaning servo motor 7 drives the external thread cleaning brush 22 to rotate at the same time, the rotation speed is 60rpm, the external thread cleaning water pump is started at the same time, until the external thread cleaning brush 22 covers the whole thread length and the thread end face, the first electric cylinder 5 starts to rotate reversely and move back, meanwhile, the thread cleaning servo motor 7 rotates anticlockwise, the external thread cleaning brush 22 is driven to leave the end face of the drill rod 14, the first electric cylinder 5 moves back quickly, the initial position is moved back, and meanwhile, the thread cleaning water pump stops working. So far, the inner wall and the external thread of the whole drilling tool are cleaned. The utility model discloses can accomplish drilling tool joint external screw thread and inner wall self-cleaning's purpose simultaneously, can improve drilling tool cleaning quality and efficiency, greatly reduced manual cleaning intensity of labour, simultaneously, washing water can carry out recycle.
Claims (5)
1. An automatic cleaning device for external threads and inner walls of a drill tool joint is characterized by comprising an external thread cleaning unit and an inner wall cleaning unit; the external thread cleaning unit comprises a cleaning trolley (6), a first electric cylinder (5) and a water inlet shaft (9); the cleaning trolley (6) is driven by a first electric cylinder (5) to move back and forth in the track, a cleaning servo motor (7) is arranged on the cleaning trolley (6), and a pinion is arranged at the output end of the cleaning servo motor (7); the water inlet shaft (9) is horizontally arranged on the cleaning trolley (6) through a bearing seat (15), a water inlet of the water inlet shaft is connected with a water source through a high-pressure rotary joint (8), a large gear meshed with the small gear is sleeved at the water inlet end, and a cleaning brush mounting ring (12) is fixedly sleeved at the water outlet end through a spline structure; the outer ring of the cleaning brush mounting ring (12) is provided with a plurality of water spray rods (11), and the inner ring is provided with an external thread cleaning brush (22); one end of the water spray rod (11) is connected to the water outlet of the water inlet shaft (9) through a metal hose (10), and the other end is provided with a corner nozzle (13); the inner wall cleaning unit comprises a positioning trolley (17) and a second electric cylinder; the positioning trolley (17) is driven by a second electric cylinder to move back and forth in the track, a positioning ring (20) is arranged on the positioning trolley (17), and a water spraying joint (19) is arranged on the positioning ring (20).
2. The automatic cleaning device for the external thread and the internal wall of the drill tool joint as recited in claim 1, further comprising a cleaning cart (3), wherein the cleaning cart (3) is provided with a track support (4), and moving tracks of the cleaning cart (6) and the positioning cart (17) are arranged above the track support (4).
3. The automatic cleaning device for the external thread and the internal wall of the drill tool joint as recited in claim 2, wherein the cleaning trolley (6) comprises a bottom plate and a push plate vertically fixed on the bottom plate; one end of the first electric cylinder (5) is fixed on the track support (4) through the mounting column, and the other end of the first electric cylinder is fixed on the push plate.
4. The automatic cleaning device for the external thread and the internal wall of the drill tool joint as recited in claim 2, wherein the positioning trolley (17) comprises a bottom plate and a push plate vertically fixed on the bottom plate; one end of the second electric cylinder (21) is fixed on the track support (4) through the mounting column, and the other end of the second electric cylinder is fixed on the push plate.
5. The automatic cleaning device for the external thread and the internal wall of the tool joint as recited in claim 1, wherein the end face of the external thread cleaning brush (22) has a taper corresponding to the external thread of the tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022438222.5U CN213670746U (en) | 2020-10-28 | 2020-10-28 | Automatic cleaning device for external threads and inner wall of drill tool joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022438222.5U CN213670746U (en) | 2020-10-28 | 2020-10-28 | Automatic cleaning device for external threads and inner wall of drill tool joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213670746U true CN213670746U (en) | 2021-07-13 |
Family
ID=76761998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022438222.5U Active CN213670746U (en) | 2020-10-28 | 2020-10-28 | Automatic cleaning device for external threads and inner wall of drill tool joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213670746U (en) |
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2020
- 2020-10-28 CN CN202022438222.5U patent/CN213670746U/en active Active
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