Anti-corrosion spraying device for oil field drill rod

Abstract

The utility model discloses an oil field drill rod anti-corrosion spraying device which comprises a workbench, the right end of the top of the workbench is fixedly connected with a fixing box, the upper end of the left side of the fixing box is movably connected with a rotating shaft through a bearing, the left side of the rotating shaft is fixedly connected with a first clamping plate, and the right side of the rotating shaft is fixedly provided with a second synchronizing wheel. A second motor is fixedly mounted at the lower end of the right side of the outer surface of the fixed box. According to the drilling rod surface cleaning device, the effect of clamping and fixing a drilling rod is achieved through the arrangement of a first clamping plate, a second clamping plate and a hydraulic cylinder, and the effect of cleaning the surface of the drilling rod is achieved through the arrangement of a second motor, a first synchronous wheel, a second screw rod, a movable plate, an annular metal brush, a synchronous belt, a second synchronous wheel, a rotating shaft and the first clamping plate; and the quality of subsequent anti-corrosion spraying operation is effectively guaranteed, and the effect of anti-corrosion spraying on the surface of the drill rod is achieved through the arrangement of a spraying pump and an annular spraying pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of oilfield drill pipe anticorrosion, in particular to an oilfield drill pipe anticorrosion spraying device. Background Art

[0002] Petroleum is one of the main objects of geological exploration. It is a viscous, dark brown liquid. Petroleum is stored in some areas of the upper crust. Its main components are a mixture of various alkanes, cycloalkanes, and aromatic hydrocarbons. It is the sum of oil and gas reservoirs in the same oil and gas production area under the control of a single geological structure (or formation). An oil and gas field may have one or more oil and gas reservoirs. The area mainly composed of oil reservoirs is called an oil field, and the area mainly composed of gas reservoirs is called a gas field. According to the geological factors controlling the oil and gas production area, oil and gas fields are divided into structural oil and gas fields, stratigraphic oil and gas fields, and complex oil and gas fields. In combined oil and gas fields, the drill pipe is a steel pipe with a thread at the tail end, which is used to connect the surface equipment of the drilling rig and the drilling and grinding equipment or bottom hole device at the bottom of the well. The purpose of the drill pipe is to transport the drilling mud to the drill bit, and to raise, lower or rotate the bottom hole device together with the drill bit. The drill pipe must be able to withstand huge internal and external pressure, twisting, bending and vibration. In the process of oil and gas extraction and refining, the drill pipe can be used many times. Because the drill pipe often works under complex and harsh conditions, it is necessary to spray a certain amount of anti-corrosion coating on its surface during the production and processing of the drill pipe.

[0003] For example, a Chinese utility model provides "an anti-corrosion spraying device for oilfield drill pipes", and its announcement number is: CN214811939U. The application includes a top box, a bottom box, a base and a paint box. A drill pipe is arranged in the middle part above the bottom box, a chain is arranged in the middle part of the paint box, a slide plate is arranged at the upper end of the paint box, a main wheel is arranged at the left end of the drill pipe, and a secondary wheel is arranged at the right end of the drill pipe. Rollers are arranged at the lower ends of the main wheel and the secondary wheel. A micro motor is arranged on the left side inside the bottom box, a worm is arranged at the lower end of the micro motor, and the transmission shaft of the micro motor is fixedly connected to the middle part of the upper end of the worm through a connecting key. The anti-corrosion spraying device for oilfield drill pipes in the above technology does not have the function of cleaning the surface of the drill pipe during use. During the spraying process, the surface of the drill pipe is easily dirty or adhered to impurities, which seriously affects the quality of the spraying operation and is not conducive to use by personnel. Utility Model Content

[0004] The utility model aims to provide an oilfield drill pipe anti-corrosion spraying device, which has the advantage of being able to clean the surface of the drill pipe before spraying, effectively ensuring the quality of the drill pipe spraying operation, and solves the problem that the oilfield drill pipe anti-corrosion spraying device in the above-mentioned technology does not have the function of cleaning the surface of the drill pipe during use, and the surface of the drill pipe is easily dirty or adhered to impurities during the spraying process, which seriously affects the quality of the spraying operation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an oilfield drill pipe anti-corrosion spraying device, comprising a workbench, a fixed box is fixedly connected to the right end of the top of the workbench, a rotating shaft is movably connected to the upper end of the left side of the fixed box through a bearing, a first clamping plate is fixedly connected to the left side of the rotating shaft, a second synchronous wheel is fixedly installed on the right side of the rotating shaft, a second motor is fixedly installed on the lower end of the right side of the outer surface of the fixed box, a second screw is movably connected to the lower end of the left side of the fixed box through a bearing, a first synchronous wheel is fixedly installed between the output end of the second motor and the right side of the second screw, a synchronous belt is transmission-connected between the middle end of the first synchronous wheel and the middle end of the second synchronous wheel, and the left end screw of the second screw A movable plate is connected with a groove, a ring-shaped metal brush is fixedly connected to the top of the movable plate, a fixed frame is fixedly connected between the two ends of the top of the outer surface of the workbench, a hydraulic cylinder is fixedly installed at the lower end of the left side of the fixed frame, and the output end of the hydraulic cylinder is movably connected to the second clamping plate through a bearing, a first motor is fixedly installed at the upper end of the left side of the outer surface of the fixed frame, a first screw is fixedly installed at the output end of the first motor, the right side of the first screw is movably connected to the upper end of the right side of the inner cavity of the fixed frame through a bearing, the right end of the first screw is threadedly connected to a vertical plate, a spray pump is fixedly installed at the left end of the top of the outer surface of the fixed frame, and an annular nozzle is fixedly installed between the output end of the spray pump and the bottom of the vertical plate through a pipeline.

[0006] As a preferred solution, a support guide rod is fixedly connected between the upper ends of both sides of the inner cavity of the fixing frame, and the upper end of the vertical plate is movably connected to the surface of the support guide rod.

[0007] As a preferred solution, a support shaft is fixedly installed on the right side of the second synchronous wheel, and the right side of the support shaft is movably connected to the upper end of the right side of the inner cavity of the fixed box through a bearing.

[0008] As a preferred solution, the left end of the top of the inner cavity of the workbench is fixedly connected to a support plate, the left side of the second screw is movably connected to the middle end of the right side of the support plate through a bearing, the lower end of the right side of the support plate is fixedly connected to a sliding rod, and the lower end of the movable plate is movably connected to the surface of the sliding rod.

[0009] As a preferred solution, a support base is fixedly connected to the bottom of the outer surface of the workbench, and the number of the support bases is four.

[0010] As a preferred solution, the front surface of the workbench is movably connected to a movable door via a hinge, and a handle is fixedly connected to the right end of the movable door.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model achieves the effect of clamping and fixing the drill rod by arranging the first clamping plate, the second clamping plate and the hydraulic cylinder, achieves the effect of cleaning the surface of the drill rod by arranging the second motor, the first synchronous wheel, the second screw, the movable plate, the annular metal brush, the synchronous belt, the second synchronous wheel, the rotating shaft and the first clamping plate, effectively guarantees the quality of the subsequent anti-corrosion spraying operation, achieves the effect of anti-corrosion spraying on the surface of the drill rod by arranging the spraying pump and the annular nozzle, and enables the paint liquid to be evenly sprayed on the surface of the drill rod by arranging the first motor, the first screw, the vertical plate and the annular nozzle, effectively improving the uniformity of the anti-corrosion spraying on the drill rod.

[0013] 2. The utility model achieves the purpose of supporting and guiding the vertical plate and preventing the vertical plate from tilting during movement by setting the support guide rod; achieves the purpose of stably supporting the right side of the second synchronous wheel by setting the support shaft; achieves the purpose of stably supporting the left side of the second screw by setting the support plate; achieves the purpose of guiding the movable plate and preventing the movable plate from tilting during movement by setting the slide rod; achieves the purpose of supporting the workbench by setting the support seat; and facilitates personnel to perform maintenance operations on the interior of the workbench by setting the movable door. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 This is a three-dimensional diagram from another perspective of the present invention;

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the workbench of the utility model.

[0017] In the figure: 1. spray pump; 2. fixed frame; 3. annular metal brush; 4. hydraulic cylinder; 5. support seat; 6. workbench; 7. movable door; 8. annular nozzle; 9. fixed box; 10. first motor; 11. first screw; 12. support guide rod; 13. vertical plate; 14. support plate; 15. second screw; 16. sliding rod; 17. first synchronous wheel; 18. second motor; 19. synchronous belt; 20. support shaft; 21. second synchronous wheel; 22. rotating shaft; 23. first clamping plate; 24. movable plate; 25. second clamping plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3 , an oilfield drill pipe anti-corrosion spraying device, including a workbench 6, a fixed box 9 is fixedly connected to the right end of the top of the workbench 6, a rotating shaft 22 is movably connected to the upper end of the left side of the fixed box 9 through a bearing, a first clamping plate 23 is fixedly connected to the left side of the rotating shaft 22, a second synchronous wheel 21 is fixedly installed on the right side of the rotating shaft 22, a second motor 18 is fixedly installed on the lower end of the right side of the outer surface of the fixed box 9, a second screw 15 is movably connected to the lower end of the left side of the fixed box 9 through a bearing, a first synchronous wheel 17 is fixedly installed between the output end of the second motor 18 and the right side of the second screw 15, a synchronous belt 19 is transmission-connected between the middle end of the first synchronous wheel 17 and the middle end of the second synchronous wheel 21, and a movable plate 2 is threadedly connected to the left end of the second screw 15 4. An annular metal brush 3 is fixedly connected to the top of the movable plate 24, a fixed frame 2 is fixedly connected between the two ends of the top of the outer surface of the workbench 6, a hydraulic cylinder 4 is fixedly installed at the lower end of the left side of the fixed frame 2, and the output end of the hydraulic cylinder 4 is movably connected to the second clamping plate 25 through a bearing, a first motor 10 is fixedly installed at the upper end of the left side of the outer surface of the fixed frame 2, a first screw 11 is fixedly installed at the output end of the first motor 10, the right side of the first screw 11 is movably connected to the upper end of the right side of the inner cavity of the fixed frame 2 through a bearing, the right end of the first screw 11 is threadedly connected to the vertical plate 13, a spray pump 1 is fixedly installed at the left end of the top of the outer surface of the fixed frame 2, and an annular nozzle 8 is fixedly installed between the output end of the spray pump 1 and the bottom of the vertical plate 13 through a pipeline.

[0020] Through the above technical scheme, through the arrangement of the first clamping plate 23, the second clamping plate 25 and the hydraulic cylinder 4, the effect of clamping and fixing the drill rod is achieved; through the arrangement of the second motor 18, the first synchronous wheel 17, the second screw 15, the movable plate 24, the annular metal brush 3, the synchronous belt 19, the second synchronous wheel 21, the rotating shaft 22 and the first clamping plate 23, the effect of cleaning the surface of the drill rod is achieved, and the quality of the subsequent anti-corrosion spraying operation is effectively guaranteed; through the arrangement of the spray pump 1 and the annular nozzle 8, the effect of anti-corrosion spraying on the surface of the drill rod is achieved; through the arrangement of the first motor 10, the first screw 11, the vertical plate 13 and the annular nozzle 8, the paint liquid can be evenly sprayed on the surface of the drill rod, effectively improving the uniformity of the anti-corrosion spraying on the drill rod.

[0021] A support guide rod 12 is fixedly connected between the upper ends of both sides of the inner cavity of the fixing frame 2 , and the upper end of the vertical plate 13 is movably connected to the surface of the support guide rod 12 .

[0022] Through the above technical solution, by setting the supporting guide rod 12, the purpose of supporting and guiding the vertical plate 13 is achieved, thereby preventing the vertical plate 13 from tilting during the movement.

[0023] A support shaft 20 is fixedly mounted on the right side of the second synchronous wheel 21 , and the right side of the support shaft 20 is movably connected to the upper end of the right side of the inner cavity of the fixed box 9 through a bearing.

[0024] Through the above technical solution and the provision of the support shaft 20 , the purpose of stably supporting the right side of the second synchronous wheel 21 is achieved.

[0025] The left end of the top of the inner cavity of the workbench 6 is fixedly connected to the support plate 14, the left side of the second screw 15 is movably connected to the middle end of the right side of the support plate 14 through a bearing, the lower end of the right side of the support plate 14 is fixedly connected to the slide rod 16, and the lower end of the movable plate 24 is movably connected to the surface of the slide rod 16.

[0026] Through the above technical solution, by setting the support plate 14, the purpose of stably supporting the left side of the second screw 15 is achieved, and by setting the slide rod 16, the purpose of guiding the movable plate 24 is achieved to prevent the movable plate 24 from tilting during movement.

[0027] The bottom of the outer surface of the workbench 6 is fixedly connected with a support base 5, and the number of the support bases 5 is four.

[0028] Through the above technical solution and the provision of the support base 5 , the purpose of supporting the workbench 6 is achieved.

[0029] The front surface of the workbench 6 is movably connected to a movable door 7 via a hinge, and a handle is fixedly connected to the right end of the movable door 7.

[0030] Through the above technical solution and the provision of the movable door 7 , it is convenient for personnel to perform maintenance work on the interior of the workbench 6 .

[0031] The working principle of the utility model is as follows: by placing the drill rod to be sprayed between the first clamping plate 23 and the second clamping plate 25, and by controlling the extension of the hydraulic cylinder 4, the second clamping plate 25 can be pushed to move to the left, so that the first clamping plate 23 and the second clamping plate 25 can be in close contact with the two sides of the drill rod, thereby achieving the effect of clamping and fixing the drill rod, and by starting the second motor 18 to work, the first synchronous wheel 17 and the second screw 15 can be driven to rotate, and the rotation of the second screw 15 can drive the moving plate 24 and the annular metal brush 3 to move, and while the annular metal brush 3 is in contact with the surface of the drill rod, the rotation of the first synchronous wheel 17 can drive the second synchronous wheel 21, the rotating shaft 22 and the first clamping plate 23 to rotate through the synchronous belt 19, and the first clamping plate 23 The rotation can drive the drill rod to rotate. Under the action of the rotation of the drill rod and the movement of the annular metal brush 3, the impurities attached to the surface of the drill rod can be effectively cleaned, thereby achieving the effect of cleaning the surface of the drill rod, effectively ensuring the quality of subsequent anti-corrosion spraying operations, and when the cleaning operation is completed, by starting the spray pump 1, the external paint liquid can be extracted and sprayed onto the surface of the drill rod through the annular nozzle 8, thereby achieving the effect of anti-corrosion spraying on the surface of the drill rod. At the same time, by starting the first motor 10, the first screw 11 can be driven to rotate, and the vertical plate 13 and the annular nozzle 8 can be driven to move to the left, so that the paint liquid can be evenly sprayed on the surface of the drill rod, effectively improving the uniformity of the anti-corrosion spraying of the drill rod.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. An oilfield drill pipe anticorrosion spraying device, comprising a workbench (6), characterized in that: The right end of the top of the workbench (6) is fixedly connected to a fixed box (9), the upper end of the left side of the fixed box (9) is movably connected to a rotating shaft (22) through a bearing, the left side of the rotating shaft (22) is fixedly connected to a first clamping plate (23), the right side of the rotating shaft (22) is fixedly installed with a second synchronous wheel (21), the lower end of the right side of the outer surface of the fixed box (9) is fixedly installed with a second motor (18), the lower end of the left side of the fixed box (9) is movably connected to a second screw rod (15) through a bearing, the first synchronous wheel (17) is fixedly installed between the output end of the second motor (18) and the right side of the second screw rod (15), the middle end of the first synchronous wheel (17) and the middle end of the second synchronous wheel (21) are transmission-connected with a synchronous belt (19), the left end of the second screw rod (15) is threadedly connected to a moving plate (24), the top of the moving plate (24) is fixedly installed with a second motor (18), the lower end of the left side of the fixed box (9) is movably connected with a second screw rod (15) through a bearing, the first synchronous wheel (17) is fixedly installed between the output end of the second motor (18) and the right side of the second screw rod (15), the middle end of the first synchronous wheel (17) and the middle end of the second synchronous wheel (21) are transmission-connected with a synchronous belt (19), the left end of the second screw rod (15) is threadedly connected to a moving plate (24), the top of the moving plate (24) is fixedly installed with a second motor (18), the lower end of the left side of the fixed box (9) is fixedly installed with a second screw rod (15), the first synchronous wheel (17) and the right side of the second screw rod (21) are transmission-connected with a synchronous belt (19), the left end of the second screw A ring-shaped metal brush (3) is fixedly connected to the top of the workbench (6); a fixed frame (2) is fixedly connected between the two ends of the top of the outer surface of the workbench (6); a hydraulic cylinder (4) is fixedly installed at the lower end of the left side of the fixed frame (2); the output end of the hydraulic cylinder (4) is movably connected to a second clamping plate (25) through a bearing; a first motor (10) is fixedly installed at the upper end of the left side of the outer surface of the fixed frame (2); a first screw rod (11) is fixedly installed at the output end of the first motor (10); the right side of the first screw rod (11) is movably connected to the upper end of the right side of the inner cavity of the fixed frame (2) through a bearing; the right end of the first screw rod (11) is threadedly connected to a vertical plate (13); a spray pump (1) is fixedly installed at the left end of the top of the outer surface of the fixed frame (2); and an annular nozzle (8) is fixedly installed between the output end of the spray pump (1) and the bottom of the vertical plate (13) through a pipeline.

2. The oilfield drill pipe anti-corrosion spraying device according to claim 1, characterized in that: A support guide rod (12) is fixedly connected between the upper ends of both sides of the inner cavity of the fixed frame (2), and the upper end of the vertical plate (13) is movably connected to the surface of the support guide rod (12).

3. The oilfield drill pipe anti-corrosion spraying device according to claim 1, characterized in that: A support shaft (20) is fixedly mounted on the right side of the second synchronous wheel (21), and the right side of the support shaft (20) is movably connected to the upper end of the right side of the inner cavity of the fixed box (9) through a bearing.

4. The oilfield drill pipe anti-corrosion spraying device according to claim 1, characterized in that: The left end of the top of the inner cavity of the workbench (6) is fixedly connected to a support plate (14), the left side of the second screw rod (15) is movably connected to the middle end of the right side of the support plate (14) through a bearing, the lower end of the right side of the support plate (14) is fixedly connected to a slide rod (16), and the lower end of the movable plate (24) is movably connected to the surface of the slide rod (16).

5. The oilfield drill pipe anti-corrosion spraying device according to claim 1, characterized in that: A support seat (5) is fixedly connected to the bottom of the outer surface of the workbench (6), and the number of the support seats (5) is four.

6. The oilfield drill pipe anti-corrosion spraying device according to claim 1, characterized in that: The front surface of the workbench (6) is movably connected to a movable door (7) via a hinge, and a handle is fixedly connected to the right end of the movable door (7).

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