Anti-corrosion device for rod head of sucker rod

Abstract

The utility model relates to the technical field of sucker rod corrosion prevention, and discloses a rod head corrosion prevention device of a sucker rod. The oil rod head comprises an oil rod head body, one side of the oil rod head body is fixedly connected with a hollow ring, the hollow ring is fixedly connected with an equipment frame body, one side of the equipment frame body is fixedly connected with a motor, an internal thread sleeve is rotatably connected in the equipment frame body, the motor is in transmission connection with the internal thread sleeve, and the motor is fixedly connected with the equipment frame body. A fixing plate is fixedly connected into the equipment frame body, a threaded rod is connected into the internal threaded sleeve in a threaded mode, a U-shaped blocking block is fixedly connected to the top end of the threaded rod, and four corresponding rectangular openings are formed in the equipment frame body and the hollow ring respectively. According to the device, the rod head of the oil rod can be automatically sprayed with anti-corrosion oil at regular intervals, the situation that the device needs to be manually disassembled and assembled at regular intervals to smear the anti-corrosion oil is avoided, so that the device is more convenient to smear the anti-corrosion oil, and the time of manual operation is saved.

Description

Technical Field

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

[0002] The sucker rod head anti-corrosion device is a device used to protect the head of a sucker rod (also known as a pumping rod), mainly used to prevent corrosion, extend the life of the sucker rod, and ensure smooth oil well production. During the production of an oil well, the sucker rod extracts crude oil from underground and transports it to the ground. Due to the influence of environmental conditions and chemical substances, the head of the sucker rod is prone to corrosion. Therefore, using a sucker rod head anti-corrosion device can prevent the occurrence of corrosion, improve the stability and production efficiency of the oil well. Specifically, the sucker rod head anti-corrosion device is usually made of corrosion-resistant materials (such as stainless steel) and has its anti-corrosion performance enhanced through special coatings or cladding materials. These devices can effectively isolate the contact between the sucker rod head and the external environment, reducing the damage to the sucker rod head caused by acidic or corrosive media. At the same time, the sucker rod head anti-corrosion device can also provide mechanical support and positioning functions, ensuring the correct position of the sucker rod, and reducing vibration and wear. In short, the sucker rod head anti-corrosion device is used to protect the head of the sucker rod and extend the life of the sucker rod.

[0003] Currently, anti-corrosion oil is generally applied to the sucker rod head to achieve the anti-corrosion effect. However, each time anti-corrosion oil is applied to the sucker rod head, it may require operators to disassemble and assemble it before application, making each application time-consuming and laborious. Content of the Utility Model

[0004] To solve the above technical problems, the utility model provides an anti-corrosion device for the rod head of a sucker rod.

[0005] The utility model is realized by the following technical solutions: a sucker rod head body, one side of the sucker rod head body is fixedly connected with a hollow ring, the hollow ring is fixedly connected with an equipment frame body, one side of the equipment frame body is fixedly connected with a motor, an internally threaded sleeve is rotatably connected inside the equipment frame body, the motor is in transmission connection with the internally threaded sleeve, a fixed plate is fixedly connected inside the equipment frame body, a threaded rod is in threaded connection inside the internally threaded sleeve, the top end of the threaded rod is fixedly connected with a U-shaped plug, the U-shaped plug is in contact with the fixed plate, four corresponding rectangular openings are opened on both the equipment frame body and the hollow ring, and a plurality of anti-corrosion oil spray nozzles are fixedly connected inside the hollow ring.

[0006] As a further improvement of the above solution, one end of the motor is fixedly connected with a rotating rod, the rotating rod penetrates through the equipment frame body and is rotatably connected with the equipment frame body, one end of the rotating rod is fixedly connected with a first bevel gear, a second bevel gear is fixedly connected on the internally threaded sleeve, and the first bevel gear is meshed with the second bevel gear.

[0007] As a further improvement of the above solution, a telescopic sleeve is fixedly connected inside the equipment housing, and the top end of the telescopic rod of the telescopic sleeve is fixedly connected to the bottom of the U-shaped plug.

[0008] As a further improvement of the above solution, a protective shell is fixedly connected to one side of the equipment housing, and the motor is fixedly connected inside the protective shell.

[0009] As a further improvement of the above solution, an internally threaded tube is fixedly connected to the top of the equipment housing, and a threaded bottle stopper is threadedly connected inside the internally threaded tube.

[0010] As a further improvement of the above solution, a U-shaped opening is formed inside the fixing plate, and the U-shaped plug is slidably connected to the U-shaped opening.

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

[0012] By cooperating with structures such as the oil rod head body, the hollow ring, the equipment housing, the second bevel gear, and the threaded rod, the present utility model enables the equipment to automatically spray anti-corrosion oil on the oil rod head regularly during use, avoiding the need for manual disassembly and assembly of the equipment regularly for coating, making the equipment more convenient for applying anti-corrosion oil and saving the time of manual operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the overall structural schematic diagram of the rod head anti-corrosion device of the sucker rod of the present utility model;

[0014] Figure 2 is the first split structural schematic diagram of the rod head anti-corrosion device of the sucker rod of the present utility model;

[0015] Figure 3 is the second split structural schematic diagram of the rod head anti-corrosion device of the sucker rod of the present utility model;

[0016] Figure 4 is the structural schematic diagram of the oil rod head body, the hollow ring, and the anti-corrosion oil spray head of the rod head anti-corrosion device of the sucker rod of the present utility model.

[0017] MAIN SYMBOL DESCRIPTION:

[0018] 1. Oil rod head body; 2. Hollow ring; 3. Equipment housing; 4. Protective shell; 5. Fixing plate; 6. Internally threaded sleeve; 7. Rotating rod; 8. First bevel gear; 10. Second bevel gear; 11. Threaded rod; 12. U-shaped plug; 13. Motor; 14. Telescopic sleeve; 15. Anti-corrosion oil spray head. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, with reference to the drawings and specific embodiments, the present utility model will be further described.

[0020] Please combine with Figures 1 to 4 , the anti-corrosion device for the rod head of the sucker rod in this embodiment includes: the rod head body 1 of the sucker rod, a hollow ring 2 is fixedly connected to one side of the rod head body 1 of the sucker rod, a device frame 3 is fixedly connected to the hollow ring 2, a motor 13 is fixedly connected to one side of the device frame 3, an internally threaded sleeve 6 is rotatably connected inside the device frame 3, the motor 13 is in transmission connection with the internally threaded sleeve 6, a fixing plate 5 is fixedly connected inside the device frame 3, a threaded rod 11 is in threaded connection with the internally threaded sleeve 6, the top end of the threaded rod 11 is fixedly connected with a U-shaped plug 12, the U-shaped plug 12 is in contact with the fixing plate 5, four corresponding rectangular openings are provided on both the device frame 3 and the hollow ring 2, and a plurality of anti-corrosion oil spray nozzles 15 are fixedly connected inside the hollow ring 2.

[0021] Through the above technical solution, when the device is in use, it can automatically spray anti-corrosion oil on the rod head body 1 of the sucker rod regularly, saving the labor of manually disassembling and assembling the device regularly to apply anti-corrosion oil to the rod head body 1 of the sucker rod, making it more convenient for the device to apply anti-corrosion oil.

[0022] One end of the motor 13 is fixedly connected with a rotating rod 7, the rotating rod 7 penetrates through the device frame 3 and is rotatably connected with the device frame 3, one end of the rotating rod 7 is fixedly connected with a first bevel gear 8, a second bevel gear 10 is fixedly connected to the internally threaded sleeve 6, and the first bevel gear 8 is meshed with the second bevel gear 10.

[0023] Through the above technical solution, the rotating rod 7, the first bevel gear 8 and the second bevel gear 10 are transmission parts, so that the rotation of the output shaft of the motor 13 can drive the internally threaded sleeve 6 to rotate.

[0024] A telescopic sleeve 14 is fixedly connected inside the device frame 3, and the top end of the telescopic rod of the telescopic sleeve 14 is fixedly connected to the bottom of the U-shaped plug 12.

[0025] Through the above technical solution, the telescopic sleeve 14 plays a role in limiting and assisting the lifting of the U-shaped plug 12 when the U-shaped plug 12 is lifted and lowered.

[0026] A protective shell 4 is fixedly connected to one side of the device frame 3, and the motor 13 is fixedly connected inside the protective shell 4.

[0027] Through the above technical solution, the motor protective shell 4 plays a role in supporting and fixing the motor 13 and can protect the motor 13.

[0028] An internally threaded pipe is fixedly connected to the top of the device frame 3, and a threaded bottle stopper is in threaded connection with the internally threaded pipe.

[0029] Through the above technical solution, the cooperation of the internally threaded pipe and the threaded bottle stopper plays a role in preventing the leakage of anti-corrosion oil.

[0030] A U-shaped opening is provided in the fixing plate 5, and the U-shaped plug 12 is slidably connected to the U-shaped opening.

[0031] Through the above technical solution, the U-shaped plug 12 can slide within the U-shaped sliding opening.

[0032] The implementation principle of an anti-corrosion device for the rod head of a sucker rod in an embodiment of this application is as follows:

[0033] During use, when the anti-corrosion oil needs to be applied to the rod head body 1 of the sucker rod, the output shaft of the motor 13 rotates to drive the rotating rod 7 to rotate. The rotation of the rotating rod 7 drives the fixedly connected first bevel gear 8 to rotate. The rotation of the first bevel gear 8 drives the meshing second bevel gear 10 to rotate. The rotation of the second bevel gear 10 drives the internal thread sleeve 6 to rotate. The rotation of the internal thread sleeve 6 drives the threaded rod 11 to perform threaded lifting and lowering. The threaded lifting and lowering of the threaded rod 11 drives the U-shaped plug 12 to perform lifting and lowering. The lifting and lowering of the U-shaped plug 12 causes the anti-corrosion oil stored on the equipment frame 3 to slide into the hollow ring 2. Subsequently, the anti-corrosion oil is sprayed onto the rod head body 1 of the sucker rod through a plurality of anti-corrosion oil spray nozzles 15 fixedly connected within the hollow ring 2, enabling the device to automatically and regularly spray anti-corrosion oil onto the rod head body 1 of the sucker rod.

[0034] The above implementation manner is only the preferred implementation manner of the present utility model and cannot be used to limit the scope of protection of the present utility model. Any non-substantial changes and substitutions made by those skilled in the art based on the present utility model fall within the scope of protection required by the present utility model.

Claims

1. A rod head anti-corrosion device for a sucker rod, characterized in that: include: An oil rod head body, one side of the oil rod head body is fixedly connected with a hollow ring, the hollow ring is fixedly connected with a device frame, one side of the device frame is fixedly connected with a motor, an internal threaded sleeve is rotatably connected in the device frame, the motor is transmission-connected to the internal threaded sleeve, a fixing plate is fixedly connected in the device frame, a threaded rod is internally threaded in the internal threaded sleeve, a U-shaped block is fixedly connected to the top of the threaded rod, the U-shaped block is in contact with the fixing plate, four corresponding rectangular openings are opened on the device frame and the hollow ring, and a plurality of anti-corrosion oil spray heads are fixedly connected in the hollow ring.

2. The rod head anticorrosion device of the sucker rod according to claim 1, characterized in that: One end of the motor is fixedly connected to a rotating rod, which passes through the device frame and is rotatably connected to the device frame. One end of the rotating rod is fixedly connected to a first bevel gear, and a second bevel gear is fixedly connected to the internal threaded sleeve. The first bevel gear is meshed with the second bevel gear.

3. The rod head anticorrosion device of the sucker rod according to claim 1, characterized in that: A telescopic sleeve is fixedly connected to the equipment frame, and the top of the telescopic rod of the telescopic sleeve is fixedly connected to the bottom of the U-shaped blocking block.

4. The rod head anticorrosion device of the sucker rod according to claim 1, characterized in that: A protective shell is fixedly connected to one side of the device frame, and the motor is fixedly connected inside the protective shell.

5. The rod head anticorrosion device of the sucker rod according to claim 1, characterized in that: An internal threaded tube is fixedly connected to the top of the equipment frame, and a threaded bottle stopper is internally threadedly connected to the internal threaded tube.

6. The rod head anticorrosion device of the sucker rod according to claim 1, characterized in that: A U-shaped opening is provided in the fixing plate, and the U-shaped blocking block is slidably connected with the U-shaped opening.

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