Anti-corrosion treatment device for sucker rod head

Abstract

The utility model provides an anti-corrosion treatment device for a rod head of a sucker rod. The anti-corrosion treatment device for the sucker rod head comprises a mounting main plate, a shell is fixedly mounted on the mounting main plate, a heating mechanism is arranged in the shell and comprises a sleeve, a heat insulation layer, a heating coil and two mounting supports, the two mounting supports are both fixedly mounted in the shell, and the heat insulation layer is fixedly mounted on the sleeve. The sleeve is fixedly installed on the two installation supports, the heat insulation layer is arranged in the sleeve, and the heating coil is arranged in the heat insulation layer. According to the anti-corrosion treatment device for the sucker rod head, the heating mechanism and the cooling spraying mechanism are arranged, the strength of the rod head is improved, the polishing mechanism is arranged, the surface of the rod head becomes rough, adhesion of a follow-up anti-corrosion coating is facilitated, and the clamping and pushing-out mechanism is arranged, so that the anti-corrosion effect is improved. And the sucker rod head needing to be subjected to preservative treatment can be clamped and pushed into the device.

Description

Technical Field

[0001] The utility model belongs to the technical field of sucker rod anti-corrosion, and in particular relates to an anti-corrosion treatment device for a sucker rod head. Background Art

[0002] The sucker rod works in the underground corrosive environment for a long time, and is easily corroded by the corrosive media in the surrounding environment. At the same time, because the sucker rod is very long, it is bent and deformed during the process of going down to the well and pumping oil. After deformation, it is easy to suffer from intergranular corrosion caused by corrosive media such as chloride ions, H2S, CO2, etc., especially after H2S corrosion, it often causes stress fracture of the material, which is also the internal reason why the sucker rod head often breaks near the thread. Therefore, in order to ensure the normal use of the sucker rod, the sucker rod head needs to be treated with anti-corrosion.

[0003] After searching, among the related technologies, the patent document with the authorization publication number CN205840797U discloses a modified nylon-coated anti-corrosion sucker rod head and a production device. Its technical solution is: the end of the end rod body is connected to the wrench square through a flange, the wrench square is connected to the external threaded shoulder, the end face of the external threaded shoulder is connected to the stress relief groove, the outer end of the stress relief groove is provided with a thread, and the outer surface of the end rod body, flange, wrench square, and external threaded shoulder is provided with a coating layer, and the end rod body, flange, wrench square, external threaded shoulder, stress relief groove and thread are an integrated structure. The beneficial effect is: the sucker rod head adopts a modified nylon coating layer, which completely solves the corrosion and wear problems of the sucker rod head part.

[0004] With respect to the above-mentioned related technologies, the inventor of the utility model believes that the following defects exist: the anti-corrosion effect of the wrapping method is not ideal, and the wrapping layer is easily broken and damaged, which can easily cause slipping.

[0005] Therefore, it is necessary to provide a new sucker rod head anti-corrosion treatment device to solve the above technical problems. Utility Model Content

[0006] The technical problem solved by the utility model is to provide a heating mechanism and a cooling spraying mechanism to improve the strength of the rod head, to provide a grinding mechanism to make the surface of the rod head rough, which is beneficial to the attachment of the subsequent anti-corrosion coating, and to provide a clamping and pushing mechanism to clamp the sucker rod head that needs to be treated with anti-corrosion and push the rod head into the sucker rod head anti-corrosion treatment device in the device.

[0007] In order to solve the above technical problems, the utility model provides an anti-corrosion treatment device for the sucker rod head, comprising: an installation main board, a shell is fixedly installed on the installation main board, a heating mechanism is arranged in the shell, the heating mechanism comprises a sleeve, a heat insulation layer, a heating coil and two installation brackets, the two installation brackets are fixedly installed in the shell, the sleeve is fixedly installed on the two installation brackets, the heat insulation layer is arranged in the sleeve, and the heating coil is arranged in the heat insulation layer.

[0008] As a further scheme of the utility model, a cooling spray mechanism is provided in the shell, and the cooling spray mechanism includes two fixed blocks 1, two fixed blocks 2, a threaded rod 1, a sliding rod, a motor 1, a slider 1, a slider 2, two hollow annular plates, a plurality of nozzles, two water-conducting hoses and two electrically controlled valves. The two fixed blocks 1 and the two fixed blocks 2 are both fixedly installed in the shell, the threaded rod 1 is rotatably installed on the two fixed blocks 1, the sliding rod is fixedly installed on the two fixed blocks 2, the motor 1 is fixedly installed in the shell, the output shaft of the motor 1 is fixedly connected to one end of the threaded rod 1, the sliding rod 1 is threadedly installed on the threaded rod 1, the sliding rod 2 is slidably installed on the sliding rod, the two hollow annular plates are both fixedly installed on the sliding rod 1 and fixedly connected to the sliding rod 2, the plurality of nozzles are respectively arranged on the two hollow annular plates and are connected to the hollow annular plates, one end of the two water-conducting hoses are respectively fixedly connected and connected to the two hollow annular plates, the other ends of the two water-conducting hoses extend outside the shell, and the two electrically controlled valves are respectively arranged on the two water-conducting hoses.

[0009] As a further solution of the utility model, a grinding mechanism is provided in the shell, and the grinding mechanism includes two mounting brackets 2, a rotating drum, multiple telescopic rods, two arc-shaped grinding plates and two threaded bolts. The two mounting brackets 2 are fixedly mounted in the shell, and the rotating drum is rotatably mounted on the two mounting brackets 2. Two threaded holes are provided on the rotating drum, and multiple telescopic rods are fixedly mounted in the rotating drum. The two arc-shaped grinding plates are respectively fixedly mounted on the output shafts of the corresponding telescopic rods. The two threaded bolts are threadedly mounted on the rotating drum and screwed together with the threaded holes provided in the rotating drum, and the two threaded bolts are rotatably connected to the two arc-shaped grinding plates respectively.

[0010] As a further solution of the utility model, the grinding mechanism also includes a second motor, the second motor is fixedly installed in the shell, and the output shaft of the second motor is fixedly connected to the rotating drum.

[0011] As a further solution of the utility model, a clamping and ejecting mechanism is provided on the mounting main board, and the clamping and ejecting mechanism includes a motor three, a threaded rod two, a slider three and a fixed block three. The motor three is fixedly mounted on the mounting main board, the fixed block three is fixedly mounted on the mounting main board, the threaded rod two is fixedly mounted on the output shaft of the motor three and is rotatably connected to the fixed block three, and the slider three is threadedly mounted on the threaded rod two.

[0012] As a further solution of the utility model, the clamping and ejecting mechanism also includes a plurality of elastic buckles and a plurality of fixed buckles, and the plurality of elastic buckles and the plurality of fixed buckles are all fixedly mounted on the slider three.

[0013] Compared with the related art, the sucker rod head anti-corrosion treatment device provided by the utility model has the following beneficial effects:

[0014] 1. The utility model provides a heating mechanism and a cooling spraying mechanism to perform thermal quenching on the club head, remove impurities from the club head, and improve the strength of the club head;

[0015] 2. The utility model provides a grinding mechanism to grind the club head after heat quenching, remove the corner waste, and make the surface of the club head rough, which is conducive to the adhesion of the subsequent anti-corrosion coating;

[0016] 3. The utility model provides a clamping and pushing mechanism to clamp the sucker rod head that needs to be treated with corrosion protection and push the rod head into the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a top view and cross-sectional structure schematic diagram of the anti-corrosion treatment device for the sucker rod head of the utility model;

[0019] Figure 2 for Figure 1 Schematic diagram of the three-dimensional structure of the heating part;

[0020] Figure 3 for Figure 1 Schematic diagram of the three-dimensional structure of the cooling spraying part;

[0021] Figure 4 for Figure 1 Schematic diagram of the three-dimensional structure of the grinding part;

[0022] Figure 5 for Figure 1 Schematic diagram of the structure of the grinding part.

[0023] In the figure: 1. Install the main board; 2. Shell; 3. Sleeve; 4. Insulation layer; 5. Heating coil; 6. Install bracket; 7. Fixing block one; 8. Fixing block two; 9. Threaded rod one; 10. Sliding rod; 11. Motor one; 12. Sliding block one; 13. Sliding block two; 14. Hollow annular plate; 15. Nozzle; 16. Water guide hose; 17. Electric control valve; 18. Install bracket two; 19. Rotating drum; 20. Telescopic rod; 21. Arc grinding plate; 22. Threaded bolt; 23. Motor two; 24. Motor three; 25. Threaded rod two; 26. Sliding block three; 27. Fixing block three; 28. Elastic buckle; 29. ​​Fixing buckle. DETAILED DESCRIPTION

[0024] Please refer to Figure 1 Set to Figure 5 ,in, Figure 1 It is a top view and cross-sectional structure schematic diagram of the anti-corrosion treatment device for the sucker rod head of the utility model; Figure 2 for Figure 1 Schematic diagram of the three-dimensional structure of the heating part; Figure 3 for Figure 1 Schematic diagram of the three-dimensional structure of the cooling spraying part; Figure 4 for Figure 1 Schematic diagram of the three-dimensional structure of the grinding part; Figure 5 for Figure 1 The sucker rod head anti-corrosion treatment device comprises: a mounting main board 1, a housing 2 is fixedly mounted on the mounting main board 1, a heating mechanism is arranged in the housing 2, the heating mechanism comprises a sleeve 3, a heat insulating layer 4, a heating coil 5 and two mounting brackets 6, both mounting brackets 6 are fixedly mounted in the housing 2, the sleeve 3 is fixedly mounted on the two mounting brackets 6, the heat insulating layer 4 is arranged in the sleeve 3, and the heating coil 5 is arranged in the heat insulating layer 4;

[0025] The shell 2 is provided with a cooling spray mechanism, which includes two fixed blocks 1 7, two fixed blocks 2 8, a threaded rod 1 9, a slide bar 10, a motor 11, a slider 12, a slider 2 13, two hollow annular plates 14, a plurality of nozzles 15, two water-conducting hoses 16 and two electrically controlled valves 17. The two fixed blocks 1 7 and the two fixed blocks 2 8 are fixedly mounted in the shell 2, the threaded rod 1 9 is rotatably mounted on the two fixed blocks 1 7, the slide bar 10 is fixedly mounted on the two fixed blocks 2 8, the motor 11 is fixedly mounted in the shell 2, and the motor 11 The output shaft is fixedly connected to one end of the threaded rod 19, the slider 12 is threadedly installed on the threaded rod 19, the slider 2 13 is slidably installed on the slide rod 10, the two hollow annular plates 14 are fixedly installed on the slider 12 and fixedly connected to the slider 2 13, a plurality of nozzles 15 are respectively arranged on the two hollow annular plates 14 and are connected to the hollow annular plates 14, one ends of the two water-conducting hoses 16 are respectively fixedly connected and connected to the two hollow annular plates 14, the other ends of the two water-conducting hoses 16 extend to the outside of the shell 2, and two electrically controlled valves 17 are respectively arranged on the two water-conducting hoses 16.

[0026] Through the cooperation of the heating mechanism and the cooling spray mechanism, the club head is thermally quenched to remove impurities from the club head and improve the strength of the club head.

[0027] The housing 2 is provided with a grinding mechanism, which includes two mounting brackets 18, a rotating drum 19, a plurality of telescopic rods 20, two arc-shaped grinding plates 21 and two threaded bolts 22. The two mounting brackets 18 are fixedly mounted in the housing 2, the rotating drum 19 is rotatably mounted on the two mounting brackets 18, the rotating drum 19 is provided with two threaded holes, a plurality of telescopic rods 20 are fixedly mounted in the rotating drum 19, the two arc-shaped grinding plates 21 are respectively fixedly mounted on the output shafts of the corresponding telescopic rods 20, the two threaded bolts 22 are threadedly mounted on the rotating drum 19 and screwed together with the threaded holes provided in the rotating drum 19, and the two threaded bolts 22 are respectively rotatably connected with the two arc-shaped grinding plates 21;

[0028] The grinding mechanism further includes a second motor 23 , which is fixedly mounted in the housing 2 , and an output shaft of the second motor 23 is fixedly connected to the rotating drum 19 .

[0029] The motor 23 and the arc-shaped grinding plate 21 cooperate with each other to grind the club head after heat quenching, remove the corner waste, and make the surface of the club head rough, which is conducive to the adhesion of the subsequent anti-corrosion coating.

[0030] The mounting main board 1 is provided with a clamping and ejecting mechanism, which includes a motor 3 24, a threaded rod 25, a slider 3 26 and a fixed block 3 27. The motor 3 24 is fixedly mounted on the mounting main board 1, the fixed block 3 27 is fixedly mounted on the mounting main board 1, the threaded rod 25 is fixedly mounted on the output shaft of the motor 3 24 and is rotatably connected to the fixed block 3 27, and the slider 3 26 is threadedly mounted on the threaded rod 25;

[0031] The clamping and ejecting mechanism further includes a plurality of elastic buckles 28 and a plurality of fixed buckles 29 , and the plurality of elastic buckles 28 and the plurality of fixed buckles 29 are all fixedly mounted on the slider three 26 .

[0032] Through the cooperation between the motor 3 24, the elastic buckle 28 and the fixed buckle 29, the sucker rod head that needs to be treated with corrosion protection is clamped and pushed into the device.

[0033] The working principle of the sucker rod head anti-corrosion treatment device provided by the utility model is as follows:

[0034] The first step: first place the sucker rod to be treated with corrosion protection on the device, clamp it through the cooperation of multiple elastic buckles 28 and multiple fixed buckles 29, and then send the sucker rod head into the housing 2 through the cooperation of motor three 24 and threaded rod two 25, energize the heating coil 5 to heat the rod head, and after heating, send the rod head further into the device through the cooperation of motor three 24 and threaded rod two 25, open the electric control valve 17 of the water-conducting water hose 16, spray water through multiple nozzles 15 to cool the rod head, and complete the thermal quenching. After the thermal quenching is completed, the electric control valve 17 is closed, and the rod head continues to go deep into the device and is inserted into the rotating drum 19. The two arc-shaped grinding plates 21 are adjusted to suit the size of the rod head through the threaded bolts 22, and the motor two 23 is started to drive the rotating drum 19 and the arc-shaped grinding plates 21 to rotate, so as to remove rust and grind the rod head;

[0035] The second step: after the grinding is completed, with the cooperation of the motor three 24 and the threaded rod two 25, the rod head moves outward to a suitable position, the electric control valve 17 on the water-conducting hose 16 for guiding water is opened, and water is sprayed through the nozzle 15 to clean the grinding residue on the rod head. After the cleaning is completed, the electric control valve 17 is closed, and the electric control valve 17 on the water-conducting hose 16 for conveying the anti-corrosion paint is opened. With the cooperation of the lower motor 11 and the threaded rod 19, while the hollow annular plate 14 moves back and forth, liquid anti-corrosion paint is sprayed onto the rod head through the nozzle 15, and then the rod head is moved into the heating mechanism, and the paint is dried by the heating coil 5. After drying, the rod head is pulled out of the device.

[0036] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0037] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0038] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A sucker rod head anti-corrosion treatment device, characterized in that: include: A mainboard is installed, and a shell is fixedly installed on the mainboard. A heating mechanism is arranged in the shell. The heating mechanism includes a sleeve, a heat insulation layer, a heating coil and two installation brackets. The two installation brackets are fixedly installed in the shell. The sleeve is fixedly installed on the two installation brackets. The heat insulation layer is arranged in the sleeve, and the heating coil is arranged in the heat insulation layer.

2. The sucker rod head anti-corrosion treatment device according to claim 1, characterized in that: A cooling spray mechanism is provided in the shell, and the cooling spray mechanism includes two fixed blocks 1, two fixed blocks 2, a threaded rod 1, a sliding rod, a motor 1, a slider 1, a slider 2, two hollow annular plates, a plurality of nozzles, two water-conducting hoses and two electrically controlled valves. The two fixed blocks 1 and the two fixed blocks 2 are both fixedly installed in the shell, the threaded rod 1 is rotatably installed on the two fixed blocks 1, the sliding rod is fixedly installed on the two fixed blocks 2, the motor 1 is fixedly installed in the shell, the output shaft of the motor 1 is fixedly connected to one end of the threaded rod 1, the sliding rod 1 is threadedly installed on the threaded rod 1, the sliding rod 2 is slidably installed on the sliding rod, the two hollow annular plates are both fixedly installed on the sliding rod 1 and fixedly connected to the sliding rod 2, the plurality of nozzles are respectively arranged on the two hollow annular plates and are connected to the hollow annular plates, one end of the two water-conducting hoses are respectively fixedly connected and connected to the two hollow annular plates, the other ends of the two water-conducting hoses extend outside the shell, and the two electrically controlled valves are respectively arranged on the two water-conducting hoses.

3. The sucker rod head anti-corrosion treatment device according to claim 1, characterized in that: A grinding mechanism is provided in the shell, and the grinding mechanism includes two mounting brackets 2, a rotating drum, multiple telescopic rods, two arc-shaped grinding plates and two threaded bolts. The two mounting brackets 2 are fixedly installed in the shell, and the rotating drum is rotatably installed on the two mounting brackets 2. Two threaded holes are provided on the rotating drum, and multiple telescopic rods are fixedly installed in the rotating drum. The two arc-shaped grinding plates are respectively fixedly installed on the output shafts of the corresponding telescopic rods. The two threaded bolts are threadedly installed on the rotating drum and screwed into the threaded holes provided on the rotating drum. The two threaded bolts are rotatably connected to the two arc-shaped grinding plates respectively.

4. The sucker rod head anti-corrosion treatment device according to claim 3, characterized in that: The grinding mechanism also includes a second motor, which is fixedly installed in the shell, and the output shaft of the second motor is fixedly connected to the rotating drum.

5. The sucker rod head anti-corrosion treatment device according to claim 2, characterized in that: The mounting main board is provided with a clamping and ejecting mechanism, and the clamping and ejecting mechanism includes a motor three, a threaded rod two, a slider three and a fixed block three. The motor three is fixedly mounted on the mounting main board, the fixed block three is fixedly mounted on the mounting main board, the threaded rod two is fixedly mounted on the output shaft of the motor three and is rotatably connected to the fixed block three, and the slider three is threadedly mounted on the threaded rod two.

6. The sucker rod head anti-corrosion treatment device according to claim 5, characterized in that: The clamping and ejecting mechanism also includes a plurality of elastic buckles and a plurality of fixed buckles, and the plurality of elastic buckles and the plurality of fixed buckles are all fixedly mounted on the slider three.

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