Lubricating device of drilling mud pump

Abstract

The utility model discloses a lubricating device of a drilling mud pump, which relates to the technical field of mud pump lubrication and comprises a pump body, one side of the pump body is connected with a filter component, the filter component is connected with an oil supply component, an oil return pipeline is connected between the other side of the pump body and the oil supply component, and the oil supply component is provided with a heating component. The filter assembly comprises an oil inlet pipe connected to one side of a pump body transmission part shell, one end of the oil inlet pipe is connected with a filter shell, a filter element is placed in the filter shell, and the top end of the filter shell is connected with a sealing plate. According to the utility model, the oil supply assembly, the filter assembly and the oil return pipeline are matched for use, so that lubricating oil entering a transmission part of the slurry pump can circularly flow, the transmission part is fully lubricated, the oil supply and lubrication requirements on the transmission part are met, impurities in the lubricating oil can be effectively filtered, and the lubricating oil is prevented from being polluted. Therefore, impurities are prevented from entering a transmission part of the pump body to cause abrasion of parts to a great extent.

Description

Technical Field

[0001] The utility model relates to the technical field of mud pump lubrication, in particular to a lubrication device for a drilling mud pump. Background Art

[0002] A mud pump is a machine that delivers mud or water or other flushing fluids into the borehole during the drilling process. A mud pump is an important part of drilling equipment.

[0003] Under the currently used variable frequency drive technology, the working parameters of the mud pump are adjusted according to the required process requirements. When running at a low speed, the built-in gear oil pump system fails to fully meet the oil supply and lubrication needs of various mechanical transmission parts, and is easily contaminated with impurities when adding lubricating oil. Impurities entering the pump body can easily cause key components to be easily worn and fail. Therefore, a lubrication device for a drilling mud pump is provided. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a lubrication device for a drilling mud pump. Through the coordinated use of the oil supply assembly, the filtering assembly and the oil return pipe, the lubricating oil entering the transmission part of the mud pump can circulate, thereby achieving sufficient lubrication of the transmission part, ensuring the oil supply and lubrication requirements of the transmission part, and effectively filtering impurities in the lubricating oil, thereby avoiding impurities from entering the transmission part of the pump body and causing component wear to a large extent, overcoming the deficiencies in the prior art and effectively solving the existing... problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A lubricating device for a drilling mud pump comprises a pump body, one side of the pump body is connected to a filter assembly, the filter assembly is connected to an oil supply assembly, the other side of the pump body is connected to an oil return pipeline between the oil supply assembly, and a heating assembly is installed on the oil supply assembly;

[0007] The filter assembly includes an oil inlet pipe connected to one side of the pump body transmission part housing, one end of the oil inlet pipe is connected to a filter shell, a filter element is placed inside the filter shell, and a sealing plate is connected to the top of the filter shell.

[0008] Through the above-mentioned scheme, through the coordinated use of the set oil supply component, filter component and oil return pipeline, the lubricating oil entering the transmission part of the mud pump can be circulated, thereby achieving sufficient lubrication of the transmission part, ensuring the oil supply and lubrication needs of the transmission part, and effectively filtering impurities in the lubricating oil, thereby avoiding impurities from entering the transmission part of the pump body to a large extent and causing component wear.

[0009] Preferably, the oil supply assembly includes an oil outlet pipe connected to the top of the filter shell, one end of the oil outlet pipe is connected to the oil supply pipe, a servo motor is installed on the outer wall of one end of the oil supply pipe, and the output end of the servo motor extends to the interior of the oil supply pipe and is connected to a spiral conveying rod.

[0010] Preferably, the top of the oil supply pipe is connected to an oil filling pipe, and the top end of the oil filling pipe is threaded with a sealing cap.

[0011] Preferably, one end of the oil return pipe is connected to the bottom of the oil supply pipe, and the connection between the oil return pipe and the oil supply pipe is close to the servo motor.

[0012] Preferably, a sealing ring is fixed to the top edge of the sealing plate.

[0013] Preferably, the heating assembly includes an electric heating tube sleeved on the end of the oil outlet pipe, and the electric heating tube is externally connected to a temperature control switch through a wire.

[0014] The beneficial effects of the utility model are:

[0015] 1. The servo motor is used to drive the screw conveying rod to rotate. Under the driving action of the screw conveying rod, the lubricating oil entering the transmission part of the pump body flows back from the return oil pipe to the oil supply pipe, realizing the circulation of the lubricating oil, achieving full lubrication of the transmission part, and ensuring the oil supply and lubrication demand of the transmission part.

[0016] 2. The lubricating oil first enters the filter housing along the oil outlet pipe. The filter element can be used to filter the lubricating oil entering the filter housing, and impurities in the lubricating oil can be effectively intercepted, thereby avoiding impurities from entering the transmission part of the pump body to a large extent and causing component wear.

[0017] To sum up, through the coordinated use of the oil supply assembly, the filter assembly and the oil return pipe, the lubricating oil entering the transmission part of the mud pump can circulate, thereby achieving sufficient lubrication of the transmission part, ensuring the oil supply and lubrication needs of the transmission part, and effectively filtering impurities in the lubricating oil, thereby avoiding impurities from entering the transmission part of the pump body to a large extent and causing component wear. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure from a first perspective of a lubrication device for a drilling mud pump proposed by the utility model.

[0019] Figure 2 This is a schematic diagram of a partial cross-sectional three-dimensional structure from a first viewing angle of a lubricating device for a drilling mud pump proposed by the utility model.

[0020] Figure 3 A lubricating device for a drilling mud pump proposed by the utility model Figure 2Enlarged structural diagram at A in the middle.

[0021] In the figure: 1. pump body; 2. oil inlet pipe; 3. sealing plate; 4. filter element; 5. sealing ring; 6. filter shell; 7. oil outlet pipe; 8. oil filling pipe; 9. oil supply pipe; 10. servo motor; 11. oil return pipe; 12. sealing cover; 13. electric heating pipe; 14. wire; 15. spiral conveying rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Example 1, reference Figure 1-3 A lubricating device for a drilling mud pump comprises a pump body 1, a filter assembly is connected to one side of the pump body 1, an oil supply assembly is connected to the filter assembly, and an oil return pipe 11 is connected between the other side of the pump body 1 and the oil supply assembly;

[0024] The filter assembly includes an oil inlet pipe 2 connected to one side of the transmission part of the pump body 1, one end of the oil inlet pipe 2 is connected to a filter housing 6, a filter element 4 is placed inside the filter housing 6, a sealing plate 3 is connected to the top of the filter housing 6, and a sealing ring 5 is fixed to the top side of the sealing plate 3 to ensure the sealing of the filter housing 6;

[0025] The filter element 4 can be used to filter the lubricating oil entering the filter housing 6, and impurities in the lubricating oil can be effectively intercepted;

[0026] The oil supply assembly includes an oil outlet pipe 7 connected to the top of the filter housing 6, one end of the oil outlet pipe 7 is connected to an oil supply pipe 9, a servo motor 10 is installed on the outer wall of one end of the oil supply pipe 9, and the output end of the servo motor 10 extends to the inside of the oil supply pipe 9 and is connected to a spiral conveying rod 15;

[0027] The servo motor 10 is used to drive the screw conveying rod 15 to rotate, so that the screw conveying rod 15 discharges the lubricating oil in the oil supply pipe 9;

[0028] The top of the oil supply pipe 9 is connected to an oil filling pipe 8, and the top of the oil filling pipe 8 is screwed with a sealing cap 12. Unscrewing the sealing cap 12 facilitates the replenishment of lubricating oil from the oil filling pipe 8 to the oil supply pipe 9;

[0029] One end of the oil return pipe 11 is connected to the bottom of the oil supply pipe 9, and the connection between the oil return pipe 11 and the oil supply pipe 9 is close to the servo motor 10. Under the driving action of the spiral conveying rod 15, the lubricating oil entering the transmission part of the pump body 1 flows back from the oil return pipe 11 to the oil supply pipe 9, realizing the circulation of the lubricating oil and achieving full lubrication of the transmission part.

[0030] A heating assembly is installed on the oil supply assembly, and the heating assembly includes an electric heating tube 13 sleeved on the end of the oil outlet pipe 7, and the electric heating tube 13 is externally connected to a temperature control switch through a wire 14. The temperature control switch is used to turn on the electric heating tube 13, and the heat of the electric heating tube 13 is transferred to the oil outlet pipe 7 to heat the lubricating oil, which helps to increase the fluidity of the lubricating oil;

[0031] Working principle: The servo motor 10 is used to drive the spiral conveying rod 15 to rotate, so that the spiral conveying rod 15 discharges the lubricating oil in the oil supply pipe 9 to the oil outlet pipe 7, and the lubricating oil first enters the filter shell 6 along the oil outlet pipe 7. The filter element 4 can be used to filter the lubricating oil entering the filter shell 6, and the impurities in the lubricating oil are effectively intercepted. Then the lubricating oil enters the transmission part of the pump body 1 along the oil inlet pipe 2 to lubricate the transmission parts. The lubricating oil finally flows back to the oil supply pipe 9 from the return oil pipe 11, realizing the circulation of the lubricating oil, achieving sufficient lubrication of the transmission parts, and ensuring the oil supply and lubrication needs of the transmission parts. The temperature control switch is used to turn on the electric heating tube 13, and the heat of the electric heating tube 13 is transferred to the oil outlet pipe 7 to heat the lubricating oil, which helps to increase the fluidity of the lubricating oil.

[0032] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A lubricating device for a drilling mud pump, comprising a pump body (1), characterized in that: A filter assembly is connected to one side of the pump body (1), an oil supply assembly is connected to the filter assembly, an oil return pipe (11) is connected between the other side of the pump body (1) and the oil supply assembly, and a heating assembly is installed on the oil supply assembly; The filter assembly comprises an oil inlet pipe (2) connected to one side of the housing of the transmission part of the pump body (1); one end of the oil inlet pipe (2) is connected to a filter shell (6); a filter element (4) is placed inside the filter shell (6); and a sealing plate (3) is connected to the top end of the filter shell (6); The oil supply assembly comprises an oil outlet pipe (7) connected to the top end of the filter housing (6), one end of the oil outlet pipe (7) is connected to an oil supply pipe (9), a servo motor (10) is mounted on the outer wall of one end of the oil supply pipe (9), and an output end of the servo motor (10) extends to the interior of the oil supply pipe (9) and is connected to a spiral conveying rod (15).

2. A lubricating device for a drilling mud pump according to claim 1, characterized in that: The top of the oil supply pipe (9) is connected to an oil filling pipe (8), and the top end of the oil filling pipe (8) is threadedly connected to a sealing cover (12).

3. The lubricating device for a drilling mud pump according to claim 1, characterized in that: One end of the oil return pipeline (11) is connected to the bottom of the oil supply pipe (9), and the connection between the oil return pipeline (11) and the oil supply pipe (9) is close to the servo motor (10).

4. The lubricating device for a drilling mud pump according to claim 1, characterized in that: A sealing ring (5) is fixed to the top edge of the sealing plate (3).

5. The lubricating device for a drilling mud pump according to claim 1, characterized in that: The heating assembly comprises an electric heating tube (13) sleeved on the end of the oil outlet pipe (7), and the electric heating tube (13) is externally connected to a temperature control switch via a wire (14).

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