CN220378465U - Novel fracturing pump double-line lubrication system - Google Patents
Novel fracturing pump double-line lubrication system Download PDFInfo
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- CN220378465U CN220378465U CN202321549633.9U CN202321549633U CN220378465U CN 220378465 U CN220378465 U CN 220378465U CN 202321549633 U CN202321549633 U CN 202321549633U CN 220378465 U CN220378465 U CN 220378465U
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- 238000005461 lubrication Methods 0.000 title claims abstract description 21
- 239000003921 oil Substances 0.000 claims description 30
- 239000010687 lubricating oil Substances 0.000 claims description 17
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003345 natural gas Substances 0.000 abstract description 2
- 239000003209 petroleum derivative Substances 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of petroleum and natural gas fracturing operation equipment, and particularly discloses a novel fracturing pump double-line lubrication system which comprises an oil tank, a filter, a high-pressure pump and a low-pressure pump, wherein the oil tank is communicated with the filter, the filter is respectively communicated with the high-pressure pump and the low-pressure pump, the high-pressure pump is connected with a high-pressure pipeline, the low-pressure pump is connected with a low-pressure pipeline, the high-pressure pipeline is communicated with a crankshaft, and the low-pressure pipeline is communicated with a reduction gearbox and a roller bearing.
Description
Technical Field
The utility model relates to the technical field of petroleum and natural gas fracturing operation equipment, in particular to a novel fracturing pump double-line lubrication system.
Background
With continuous exploitation of existing oilfield resources in the world, the yield of an oil well is increasingly reduced, fracturing acidification is one of the most effective measures for improving the recovery ratio of an oil and gas well at present, and due to continuous deterioration of a fracturing environment and continuous improvement of fracturing requirements, in order to adapt to the development trend of future fracturing operation, a fracturing pump is developing towards the characteristics of high pressure, high power, large discharge capacity, compact structure and the like, higher performance is provided for the fracturing pump, a lubricating system is used as a key component part of the fracturing pump, and the performance of the lubricating system directly influences the overall service performance and the service life of a power end of the fracturing pump, and especially has fatal influence on key parts such as gears, bearings and the like.
Most of the lubricating system pipelines of the existing fracturing pump are one pipeline, different friction pairs conduct forced pressure lubrication from the pipeline, the pressure of a place where high pressure needs to be applied possibly cannot be increased, and the lubricating effect of individual friction pairs is insufficient, so that the lubricating effect of the existing lubricating system is poor, and the service life of the fracturing pump is influenced.
Therefore, it is necessary to provide a novel two-wire lubrication system for a fracturing pump so as to improve the lubrication effect and prolong the service life of the fracturing pump.
Disclosure of Invention
The utility model aims to solve the problem of poor lubrication effect of the existing lubrication system, and provides a novel fracturing pump double-line lubrication system.
The technical scheme of the utility model is as follows:
the utility model provides a novel fracturing pump double-line lubrication system, includes oil tank, filter, high-pressure pump and low-pressure pump, oil tank and filter intercommunication, the filter respectively with high-pressure pump and low-pressure pump intercommunication, the high-pressure pump is connected with the high-pressure pipeline, the low-pressure pump is connected with the low-pressure pipeline, the high-pressure pipeline intercommunication has the bent axle, the low-pressure pipeline intercommunication has reducing gear box and roller bearing.
Further, the low-pressure pipeline is also communicated with a roller bearing.
Furthermore, the high-pressure pipeline is also communicated with a connecting rod bush and a connecting rod shaft sleeve, and oil in the high-pressure pipeline firstly passes through the crankshaft and then flows through the connecting rod bush and the connecting rod shaft sleeve.
Furthermore, the high-pressure pipeline is also communicated with a cross head lower guide plate, and oil in the high-pressure pipeline lubricates the cross head lower guide plate.
Furthermore, the low-pressure pipeline is also communicated with a guide plate on the cross head, and oil in the low-pressure pipeline lubricates the guide plate on the cross head.
Furthermore, the tail end of the high-pressure pipeline and the tail end of the low-pressure pipeline are communicated with the oil cylinder, and the oil cylinder can collect the return lubricating oil.
According to the novel fracturing pump double-line lubrication system, the high-pressure pump and the low-pressure pump are respectively arranged behind the filter, so that the oil pipeline is divided into the high-pressure pipeline and the low-pressure pipeline, equipment parts needing to use high pressure to transport lubricating oil such as crankshafts are communicated with the high-pressure pipeline, equipment parts needing to use low pressure to transport lubricating oil such as reduction boxes and roller bearings are communicated with the high-pressure pipeline, the low-pressure pipeline and the low-pressure pipeline can be communicated with the low-pressure pipeline, different equipment adopts pipelines with different pressures to conduct classified lubrication, and each friction pair is guaranteed to be lubricated by the lubricating oil.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a schematic diagram of a pipeline flow in accordance with the present utility model;
FIG. 3 is a front view of the present utility model;
fig. 4 is a cross-sectional view of fig. 3 at a in accordance with the present utility model.
Reference numerals: 1. an oil tank; 2. a filter; 3. a high pressure pump; 4. a low pressure pump; 5. a high pressure line; 6. a low pressure line; 7. a reduction gearbox; 8. a roller bearing; 9. a connecting rod tile; 10. a connecting rod shaft sleeve; 11. a crankshaft; 12. a cross head lower guide plate; 13. and a guide plate on the cross head.
Detailed Description
In order to make the technical means, technical features, objects and technical effects of the present utility model easy to understand, the present utility model will be further described with reference to the specific drawings.
Embodiment one:
as shown in fig. 1 and 3, this embodiment provides a novel fracturing pump double-line lubrication system, including oil tank 1, filter 2, high-pressure pump 3 and low-pressure pump 4, oil tank 1 and filter 2 intercommunication, filter 2 respectively with high-pressure pump 3 and low-pressure pump 4 intercommunication, high-pressure pump 3 is connected with high-pressure pipe 5, low-pressure pump 4 is connected with low-pressure pipe 6, high-pressure pipe 5 intercommunication has bent axle 11, low-pressure pipe 6 intercommunication has reduction gearbox 7 and roller bearing 8, and filter 2 is arranged in filtering impurity in the lubricating oil, prevents that it from getting into in the friction pair, influences the life of friction pair.
Preferably, the low pressure line 6 is also connected to a roller bearing 8.
As shown in fig. 4, the high-pressure pipeline 5 is preferably also communicated with a connecting rod bush 9 and a connecting rod shaft sleeve 10, and oil in the high-pressure pipeline 5 passes through a crankshaft 11 and then flows through the connecting rod bush 9 and the connecting rod shaft sleeve 10.
Preferably, the high-pressure pipeline 5 is further communicated with a cross head lower guide plate 12, oil in the high-pressure pipeline 5 lubricates the cross head lower guide plate 12, and the number of the cross head lower guide plates 12 is 5 and are respectively arranged at the bottom of the fracturing pump side by side.
Preferably, the low-pressure pipeline 6 is further communicated with a cross head upper guide plate 13, oil in the low-pressure pipeline 6 lubricates the cross head upper guide plate 13, and the cross head upper guide plate 13 is provided with 5 cross head upper guide plates and is respectively arranged at the top of the fracturing pump side by side.
Preferably, the end of the high-pressure pipeline 5 and the end of the low-pressure pipeline 6 are communicated with an oil cylinder, and the oil cylinder can collect the return lubricating oil.
As shown in fig. 1 and 2, in operation, lubricating oil passes through the filter 2 and then enters the high-pressure pump 3 and the low-pressure pump 4 through oil pipes respectively; the lubricating oil entering the low-pressure pump 4 enters the cross head upper guide plate 13 and the roller bearing 8 respectively through the low-pressure pipeline 6 to lubricate the cross head upper guide plate 13 and the roller bearing 8 respectively, and the low-pressure oil firstly enters the low-pressure pipeline 6 in front of the cross head upper guide plate 13 before entering the cross head upper guide plate 13, and 5 branches are separated from the low-pressure pipeline 6 to lubricate the five cross head upper guide plates 13 respectively; the lubricating oil entering the high-pressure pump 3 is boosted and then enters the crankshaft 11 and the cross head lower guide plate 12 respectively through the high-pressure pipeline 5 to lubricate the crankshaft, the high-pressure oil firstly enters the high-pressure pipeline 5 in front of the cross head lower guide plate 12, 5 branches are separated from the high-pressure pipeline 5 to lubricate the five cross head lower guide plates 12 respectively, the lubricating oil entering the crankshaft 11 lubricates the connecting rod bush 9 and the connecting rod shaft sleeve 10 through channels inside the flow fracturing pump, after the lubrication of all friction pairs of the fracturing pump is completed, the lubricating oil returns to the oil tank 1, the lubricating oil flows out from the oil tank 1 and is filtered again through the filter 2, and the circulation is performed.
Through installing high-pressure pump 3 and low-pressure pump 4 respectively behind filter 2, realized dividing into two defeated branches of high-pressure pipeline 5 and low-pressure pipeline 6 with the oil pipe way, the equipment position that needs to use high-pressure transportation lubricating oil is like bent axle 11 etc. then communicate high-pressure pipeline 5 with bent axle 11, the equipment position that needs to use low-pressure transportation lubricating oil is like reducing gear box 7 and roller bearing 8 etc. can be with low-pressure pipeline 6 and both intercommunication, realized that different equipment adopts the pipeline of different pressure to transport respectively, guaranteed that every friction pair can all lead to lubricating oil and then be lubricated by lubricating oil, this technical scheme adopts the lubricated mode of double-barrelled pipeline, its lubricating effect is better.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model. Equivalent changes and modifications of the utility model are intended to fall within the scope of the present utility model.
Claims (6)
1. The utility model provides a novel fracturing pump double-line lubrication system which characterized in that: including oil tank (1), filter (2), high-pressure pump (3) and low-pressure pump (4), oil tank (1) and filter (2) intercommunication, filter (2) communicate with high-pressure pump (3) and low-pressure pump (4) respectively, and high-pressure pump (3) are connected with high-pressure line (5), and low-pressure pump (4) are connected with low-pressure line (6), high-pressure line (5) intercommunication has bent axle (11), low-pressure line (6) intercommunication has reducing gear box (7) and roller bearing (8).
2. The novel fracturing pump dual-line lubrication system of claim 1, wherein: the low-pressure pipeline (6) is also communicated with a roller bearing (8).
3. The novel fracturing pump dual-line lubrication system of claim 1, wherein: the high-pressure pipeline (5) is also communicated with a connecting rod bush (9) and a connecting rod shaft sleeve (10), and oil in the high-pressure pipeline (5) firstly passes through the crankshaft (11) and then flows through the connecting rod bush (9) and the connecting rod shaft sleeve (10).
4. The novel fracturing pump dual-line lubrication system of claim 1, wherein: the high-pressure pipeline (5) is also communicated with a cross head lower guide plate (12), and oil in the high-pressure pipeline (5) lubricates the cross head lower guide plate (12).
5. The novel fracturing pump dual-line lubrication system of claim 1, wherein: the low-pressure pipeline (6) is also communicated with a cross head upper guide plate (13), and oil in the low-pressure pipeline (6) lubricates the cross head upper guide plate (13).
6. The novel fracturing pump dual-line lubrication system of claim 1, wherein: the tail end of the high-pressure pipeline (5) and the tail end of the low-pressure pipeline (6) are communicated with the oil cylinder, and the oil cylinder can collect the return lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321549633.9U CN220378465U (en) | 2023-06-17 | 2023-06-17 | Novel fracturing pump double-line lubrication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321549633.9U CN220378465U (en) | 2023-06-17 | 2023-06-17 | Novel fracturing pump double-line lubrication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220378465U true CN220378465U (en) | 2024-01-23 |
Family
ID=89572062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321549633.9U Active CN220378465U (en) | 2023-06-17 | 2023-06-17 | Novel fracturing pump double-line lubrication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220378465U (en) |
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2023
- 2023-06-17 CN CN202321549633.9U patent/CN220378465U/en active Active
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