CN218954579U - Well cementation fracturing pump plunger lubricating arrangement - Google Patents
Well cementation fracturing pump plunger lubricating arrangement Download PDFInfo
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- CN218954579U CN218954579U CN202223533055.8U CN202223533055U CN218954579U CN 218954579 U CN218954579 U CN 218954579U CN 202223533055 U CN202223533055 U CN 202223533055U CN 218954579 U CN218954579 U CN 218954579U
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Abstract
The utility model provides a well cementation fracturing pump plunger lubricating device which comprises a lubricating oil tank, wherein one side of the lubricating oil tank is provided with an oiling pipeline, one end of the oiling pipeline is provided with a one-way valve, the other side of the lubricating oil tank is provided with a plurality of communicated oil outlet pipelines, the end part of each oil outlet pipeline is provided with an oil dripping device, and the oil outlet pipeline is provided with a first regulating valve and a second regulating valve. The lubricating oil in the lubricating oil tank automatically flows by gravity without an additional power source, and has very obvious price advantage. The first regulating valve and the second regulating valve are mutually matched, the reliability of the lubrication system is very high, and the lubrication quantity is precisely controllable. The whole device does not need to be provided with an oil seal, and the packing can be found out quickly when damaged, so that abnormal damage to the plunger and the pump head body is avoided. Has great popularization value.
Description
Technical Field
The utility model relates to the field of fracturing pump lubrication, in particular to a well cementation fracturing pump plunger lubricating device.
Background
The well cementation fracturing pump is a key device commonly used in the petroleum engineering industry, and a plunger pump structure is commonly adopted in the high-power well cementation fracturing pump. The lubrication of the plunger of the conventional well cementation fracturing pump in the current oil field mainly comprises two modes: firstly, a pneumatic or electric diaphragm pump is adopted to lubricate the plunger, the lubrication pressure is more than 0.1-0.2MPa, the cost is relatively low, but the abnormal pump stopping fault is caused accidentally, and the normal operation of the equipment is affected. The other proposal adopts a grease lubrication pump for lubrication, and has the advantages of accurate lubrication quantity and low consumption of lubricating grease; the disadvantage is the high price and because of the poor flowability of the grease, it is necessary to pre-fill the lubrication chamber with grease before the pump is run to ensure that the lubrication chamber is filled with grease. In addition, both diaphragm pump oil lubrication and grease lubrication pump lubrication are adopted, oil seals are needed to ensure certain lubrication pressure, and abnormal damage to the plunger and the pump head body can be caused under specific conditions. For this purpose we propose a well cementation fracturing pump plunger lubrication device to solve the above problems.
Chinese patent document CN 212672048U describes a fracturing pump packing lubrication system, including oil pump, safety relief valve and lubricating oil distributor, the oil pump pumps the lubricating oil in the oil tank into the lubricating oil distributor, the lubricating oil distributor evenly distributes lubricating oil to each plunger seal packing department of fracturing pump, safety relief valve locates on the oil circuit of oil pump to lubricating oil distributor, can effectively slow down packing wearing and tearing speed, improves seal packing life. However, this structure needs to be equipped with an oil seal to ensure a certain lubrication pressure, and in a specific case, abnormal damage to the plunger and the pump head body is caused, and there is a defect in use and improvement is required.
Disclosure of Invention
The utility model provides a well cementation fracturing pump plunger lubricating device, which solves the problem that the existing lubricating device needs to be provided with an oil seal and can cause abnormal damage to a plunger and a pump head body; meanwhile, the pneumatic or electric lubrication is easy to cause pump failure, and the grease lubrication pump has the problems of higher lubrication price and poor fluidity.
In order to solve the technical problems, the utility model adopts the following technical scheme: the well cementation fracturing pump plunger lubricating device comprises a lubricating oil tank, wherein one side of the lubricating oil tank is provided with an oiling pipeline, one end of the oiling pipeline is provided with a one-way valve, the other side of the lubricating oil tank is provided with a plurality of communicated oil outlet pipelines, the end part of each oil outlet pipeline is provided with an oil dripping device, and the oil outlet pipelines are provided with a first regulating valve and a second regulating valve.
In the preferred scheme, lubricating oil tank one side is equipped with the inlet port, is equipped with the screw hole on the inlet port, and oiling pipeline one end is equipped with connects soon, connects soon through with inlet port threaded connection, oiling pipeline other end is equipped with the U type pipe, and U type pipe tip is equipped with the check valve.
In the preferred scheme, lubricating oil tank one side is equipped with a plurality of oil outlet, and oil outlet pipeline one end and oil outlet intercommunication, oil outlet pipeline other end and oil drip device intercommunication are equipped with first governing valve on the oil outlet pipeline side that is close to oil outlet, and oil outlet pipeline is close to the second governing valve on oil drip device side.
In the preferred scheme, the lubricating oil tank is installed in the fracturing pump main part, and the fracturing pump main part includes pump head body and a plurality of plunger, is equipped with the oil pipe mounting bracket of U type structure on the oil drip device, and the oil pipe mounting bracket passes through bolt and pump head body coupling.
In the preferred scheme, the oil drip device comprises an oil accumulation pipe, the end part of the oil injection pipeline provided with a connecting pipe is provided with a threaded hole, and the connecting pipe is in threaded connection with the threaded hole at the end part of the oil injection pipeline.
In the preferred scheme, the oil accumulation pipe bottom is equipped with a plurality of oil drip pipes, and the oil drip pipe is located the plunger top.
The beneficial effects of the utility model are as follows: the lubricating oil in the lubricating oil tank automatically flows by gravity without an additional power source, and has very obvious price advantage. The oil pipe mounting frame at the end part of the oil outlet pipeline is connected with the fracturing pump main body through bolts, the positions of all oil outlets can be adjusted under the condition that the oil pipe mounting frame is not moved, and accurate lubrication of the plunger is facilitated.
The first regulating valve and the second regulating valve are mutually matched, the reliability of the lubrication system is very high, and the lubrication quantity is precisely controllable. The whole device does not need to be provided with an oil seal, and the packing can be found out quickly when damaged, so that abnormal damage to the plunger and the pump head body is avoided.
The first regulating valve close to the lubricating oil tank is used for controlling the flow of lubricating oil, and when parts such as the oiling pipeline are damaged, the specific oiling pipeline line can be detected by closing the first regulating valve, so that the maintenance is convenient. The second regulating valve is mainly used for controlling the flow of lubricating oil and simultaneously used for replacing the oil dripping device. The oil dropping device can be adjusted according to the actual situation required by the main body of the fracturing pump, and preferably 2, 3 or 5 oil dropping devices are arranged. When the oil dropping device is damaged or different oil dropping pipes of the oil dropping device need to be replaced, the second regulating valve is closed to replace the oil dropping device, so that the oil dropping device has a high popularization value.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a front elevational view of the overall structure of the present utility model;
FIG. 2 is an isometric view of the overall structure of the present utility model;
FIG. 3 is an isometric view of a partial structure of the present utility model;
FIG. 4 is a front view of a partial structure of the present utility model;
FIG. 5 is a side view of a partial structure of the present utility model;
in the figure: a fracturing pump body 1; a pump head body 101; a plunger 102; a quick connector 2; a lubrication oil tank 3; an oil inlet hole 301; an oil outlet hole 302; an oiling line 4; a U-shaped tube 401; a one-way valve 5; a first regulating valve 6; an oil outlet line 7; a second regulating valve 8; an oil pipe mounting rack 9; an oil drip 10; a connection pipe 1001; an oil accumulation pipe 1002; drip tube 1003.
Detailed Description
Example 1:
as shown in fig. 1-5, the well cementation fracturing pump plunger lubricating device comprises a lubricating oil tank 3, wherein one side of the lubricating oil tank 3 is provided with an oiling pipeline 4, one end of the oiling pipeline 4 is provided with a one-way valve 5, the other side of the lubricating oil tank 3 is provided with a plurality of communicated oil outlet pipelines 7, the end part of each oil outlet pipeline 7 is provided with an oil dripping device 10, and the oil outlet pipelines 7 are provided with a first regulating valve 6 and a second regulating valve 8. With this structure, the lubricating oil in the lubricating oil tank 3 automatically flows by gravity, and no additional power source is needed, so that the cost advantage is very obvious. The oil pipe mounting frame 9 at the end part of the oil outlet pipeline 7 is connected with the fracturing pump main body 1 through bolts, and the positions of all oil outlets can be adjusted under the condition that the oil pipe mounting frame 9 is not moved, so that the plunger is convenient to lubricate accurately.
The first regulating valve 6 and the second regulating valve 8 are mutually matched, the reliability of the lubrication system is very high, and the lubrication quantity is precisely controllable. The whole device does not need to be provided with an oil seal, and the packing can be found out quickly when damaged, so that abnormal damage to the plunger and the pump head body is avoided.
The first regulating valve 6 close to the lubricating oil tank 3 is used for controlling the flow of lubricating oil, and when parts such as the oiling pipeline 4 are damaged, the specific oiling pipeline 4 line can be detected by closing the first regulating valve 6, so that the overhaul is convenient. The second regulating valve 8 is mainly used for controlling the flow of lubricating oil and at the same time for replacing the drip 10. The oil drip 10 can be adjusted according to the actual situation required by the fracturing pump body 1, preferably 2, 3 or 5. When the drip 10 is damaged or a different drip tube 1003 of the drip 10 needs to be replaced, the second regulator valve 8 is closed to replace the drip 10.
The lubricating oil tank 3 is fixed at fracturing pump main part 1 top, convenient operation, and the check valve 5 at U type pipe 401 and U type pipe 401 tail end prevents lubricating oil backward flow, connects 2 soon and is convenient for oiling pipeline 4 quick installation and dismantlement, and oiling pipeline 4 passes through oiling pump filling lubricating oil.
In the preferred scheme, lubricating oil tank 3 one side is equipped with inlet port 301, is equipped with the screw hole on the inlet port 301, and oiling pipeline 4 one end is equipped with quick connect joint 2, and quick connect joint 2 is through with inlet port 301 threaded connection, and oiling pipeline 4 other end is equipped with U type pipe 401, and U type pipe 401 tip is equipped with check valve 5. From this structure, lubricating oil tank 3 is fixed at fracturing pump main part 1 top, convenient operation, and the check valve 5 of U type pipe 401 and U type pipe 401 tail end prevents the lubricating oil backward flow, connects 2 quick-operation and is convenient for oiling pipeline 4 quick installation and dismantlement, and oiling pipeline 4 passes through oiling pump filling lubricating oil.
In the preferred scheme, lubricating oil tank 3 one side is equipped with a plurality of oil outlet 302, and oil outlet 7 one end and oil outlet 302 intercommunication, oil outlet 7 other end and oil drip 10 intercommunication, and oil outlet 7 is equipped with first governing valve 6 on being close to oil outlet 302 one side, and oil outlet 7 is close to second governing valve 8 on the oil drip 10 one side. From this structure, be close to the first governing valve 6 of lubricating oil tank 3 and be used for controlling lubricating oil flow, when spare parts such as oiling pipeline 4 damage simultaneously, can detect specific oiling pipeline 4 circuit through closing first governing valve 6, the convenient maintenance. The second regulating valve 8 is mainly used for controlling the flow of lubricating oil and at the same time for replacing the drip 10.
In the preferred scheme, lubricating oil tank 3 installs on fracturing pump main part 1, and fracturing pump main part 1 includes pump head body 101 and a plurality of plunger 102, is equipped with U type structure's oil pipe mounting bracket 9 on the oil drip device 10, and oil pipe mounting bracket 9 passes through the bolt and is connected with pump head body 101. From this structure, the oil pipe mounting bracket 9 of oil outlet pipe 7 tip passes through the bolt and is connected with fracturing pump main part 1, can adjust the position of each oil-out under the condition of not removing oil pipe mounting bracket 9, the accurate lubrication of the plunger of being convenient for.
In a preferred embodiment, the oil dripping device 10 includes an oil accumulation pipe 1002, a threaded hole is formed at the end of the oil injection pipeline 4 of the oil accumulation pipe 1002, and the connecting pipe 1001 is in threaded connection with the threaded hole at the end of the oil injection pipeline 4. With this structure, the connection pipe 1001 is screwed to the screw hole at the end of the oil line 4. So that the oil drip 10 can be adjusted, preferably 2, 3 or 5, depending on the actual situation required by the fracturing pump body 1.
In a preferred embodiment, a plurality of oil dropping pipes 1003 are arranged at the bottom of the oil accumulation pipe 1002, and the oil dropping pipes 1003 are positioned above the plunger 102. With this structure, the oil dropping device 10 can be adjusted according to the actual situation required by the fracturing pump main body 1, preferably 2, 3 or 5. When the drip 10 is damaged or a different drip tube 1003 of the drip 10 needs to be replaced, the second regulator valve 8 is closed to replace the drip 10.
The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.
Claims (6)
1. Well cementation fracturing pump plunger lubricating arrangement, characterized by: including lubricating oil tank (3), lubricating oil tank (3) one side is equipped with oiling pipeline (4), and oiling pipeline (4) one end is equipped with check valve (5), and lubricating oil tank (3) opposite side is equipped with a plurality of intercommunication's play oil pipe line (7), and play oil pipe line (7) tip is equipped with oil drip device (10), is equipped with first governing valve (6) and second governing valve (8) on play oil pipe line (7).
2. The well cementation fracturing pump plunger lubricating device according to claim 1, wherein: one side of the lubricating oil tank (3) is provided with an oil inlet hole (301), the oil inlet hole (301) is provided with a threaded hole, one end of the oil injection pipeline (4) is provided with a quick connector (2), the quick connector (2) is in threaded connection with the oil inlet hole (301), the other end of the oil injection pipeline (4) is provided with a U-shaped pipe (401), and the end part of the U-shaped pipe (401) is provided with a one-way valve (5).
3. The well cementation fracturing pump plunger lubricating device according to claim 1, wherein: one side of the lubricating oil tank (3) is provided with a plurality of oil outlet holes (302), one end of an oil outlet pipeline (7) is communicated with the oil outlet holes (302), the other end of the oil outlet pipeline (7) is communicated with the oil dripping device (10), one side, close to the oil outlet holes (302), of the oil outlet pipeline (7) is provided with a first regulating valve (6), and one side, close to the oil dripping device (10), of the oil outlet pipeline (7) is provided with a second regulating valve (8).
4. The well cementation fracturing pump plunger lubricating device according to claim 1, wherein: the lubricating oil tank (3) is installed on fracturing pump main part (1), and fracturing pump main part (1) are equipped with oil pipe mounting bracket (9) of U type structure including pump head body (101) and a plurality of plunger (102) on oil dripping device (10), and oil pipe mounting bracket (9) are connected with pump head body (101) through the bolt.
5. The well cementation fracturing pump plunger lubricating device according to claim 1, wherein: the oil dripping device (10) comprises an oil accumulating pipe (1002), a threaded hole is formed in the end portion of an oil injecting pipeline (4) of the connecting pipe (1001) is arranged on the oil accumulating pipe (1002), and the connecting pipe (1001) is in threaded connection with the threaded hole in the end portion of the oil injecting pipeline (4).
6. The well cementation fracturing pump plunger lubricating device according to claim 5, wherein: the bottom of the oil accumulation pipe (1002) is provided with a plurality of oil dropping pipes (1003), and the oil dropping pipes (1003) are positioned above the plunger (102).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223533055.8U CN218954579U (en) | 2022-12-29 | 2022-12-29 | Well cementation fracturing pump plunger lubricating arrangement |
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| CN202223533055.8U CN218954579U (en) | 2022-12-29 | 2022-12-29 | Well cementation fracturing pump plunger lubricating arrangement |
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| CN218954579U true CN218954579U (en) | 2023-05-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117167639A (en) * | 2023-08-28 | 2023-12-05 | 湖北中油科昊机械制造有限公司 | Well cementation fracturing pump plunger lubricating arrangement |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117167639A (en) * | 2023-08-28 | 2023-12-05 | 湖北中油科昊机械制造有限公司 | Well cementation fracturing pump plunger lubricating arrangement |
| CN117167639B (en) * | 2023-08-28 | 2024-04-05 | 湖北中油科昊机械制造有限公司 | Well cementation fracturing pump plunger lubricating arrangement |
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