CN218064372U - High-viscosity lubricating oil return device - Google Patents
High-viscosity lubricating oil return device Download PDFInfo
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- CN218064372U CN218064372U CN202220990434.0U CN202220990434U CN218064372U CN 218064372 U CN218064372 U CN 218064372U CN 202220990434 U CN202220990434 U CN 202220990434U CN 218064372 U CN218064372 U CN 218064372U
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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 38
- 239000003921 oil Substances 0.000 claims abstract description 195
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000011084 recovery Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims description 11
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003305 oil spill Substances 0.000 description 1
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Abstract
The utility model discloses a high viscosity lubricating oil return device, which belongs to the field of lubricating oil circulation and comprises an equipment oil pool and a recovery oil tank, wherein the equipment oil pool is connected with the overflow oil tank through a main oil overflow pipe; a detection unit for detecting the height of the liquid level in the overflow oil tank is arranged in the overflow oil tank, and the detection result of the detection unit is used as an input signal for controlling the three-way valve to work. The utility model aims at providing a high viscosity lubricating oil returning device, simple structure can reduce the waste of lubricating oil.
Description
Technical Field
The utility model relates to a lubricating oil circulation field specifically is a high viscosity lubricating oil returning device.
Background
In the existing equipment such as a vertical mill, the oil supply route of the lubricating oil is that the lubricating oil is conveyed to the equipment from an oil storage tank by an oil conveying pump, then the lubricating oil returns to a recovery oil tank from an oil pool of the equipment through an oil return pipe, and the lubricating oil in the recovery oil tank returns to the oil storage tank for standby after being filtered and cooled.
However, because the oil return port of the lubricating oil in the equipment cannot be soaked by the oil all the time, if the vertical mill works, the grinding roller can float up and down according to the material level, so that the grinding roller swings up and down, and the lubricating oil return pipe port at the lubrication position of the grinding roller cannot be kept consistent and soaked by the lubricating oil. Under such a condition, the air can get into back oil pipe, and lubricating oil and air mix lead to back oil pipe in the pressure increase, if the oil in the equipment oil sump is more this moment, under the effect of pressure, lubricating oil will spill over from the oil spilling hole, and lead to the waste of lubricating oil, also do not benefit to the environmental protection.
SUMMERY OF THE UTILITY MODEL
The utility model aims at above problem, provide a high viscosity lubricating oil returning device, simple structure can reduce the waste of lubricating oil.
In order to achieve the purpose, the technical scheme adopted by the utility model is a high-viscosity lubricating oil return device, which comprises an equipment oil pool and a recovery oil tank, wherein the equipment oil pool is connected with the overflow oil tank through a main oil overflow pipe, lubricating oil overflowing from the equipment flows into the overflow oil tank from the main oil overflow pipe, branch pipes are arranged on oil return ports of the equipment oil pool and the overflow oil tank, the two branch pipes are connected with a three-way valve, the other interface of the three-way valve is connected with one end of the oil return pipe, the oil return pipe is connected with the input end of an oil return pump, and the output end of the oil return pump is connected with the recovery oil tank; and a detection unit for detecting the height of the liquid level in the overflow oil tank is arranged in the overflow oil tank, and the detection result of the detection unit is used as an input signal for controlling the work of the three-way valve.
Furthermore, an auxiliary oil overflow pipe is arranged on the overflow oil tank, the oil inlet end of the auxiliary oil overflow pipe is lower than the oil outlet of the main oil overflow pipe, and the oil outlet end of the auxiliary oil overflow pipe is connected with an oil return pump, so that lubricating oil in the whole system can be discharged in time.
Furthermore, the top of the overflow oil tank is provided with air holes to ensure that the overflow oil tank is in a low-pressure state, so that oil in the equipment can normally enter the overflow oil tank.
Furthermore, be provided with the access hole on the overflow oil tank to convenient inside clearance, the equipment detection maintenance etc. of going on of overflow oil tank.
Furthermore, the bottom of the overflow oil tank is provided with a cleaning oil pipe, the cleaning oil pipe is connected with the oil return pump, and a valve is arranged on the cleaning oil pipe so as to conveniently drain oil in the overflow oil tank during maintenance and cleaning.
Furthermore, the overflow oil tank is provided with a liquid level meter, so that an operator can conveniently know the liquid level condition in the overflow oil tank on the premise of not opening the overflow oil tank.
The utility model has the advantages that: the equipment oil pool is communicated with the recovery oil tank through a branch pipe and an oil return pipe, and is also connected with the overflow oil tank through a main oil overflow pipe, and the overflow oil tank is communicated with the recovery oil tank, so that a closed-loop circulation route of lubricating oil is formed, and the waste of the lubricating oil is effectively avoided.
1. And a three-way valve is arranged, so that an oil return system of the equipment oil pool and an oil return system of the overflow oil tank are independent and do not interfere with each other.
Drawings
Fig. 1 is a schematic view of the pipe connection of the present invention.
Fig. 2 is a schematic structural diagram of an overflow oil tank.
The text labels in the figures are represented as: 1. an oil storage tank; 2. an equipment oil sump; 3. recovering the oil tank; 4. a main oil spill pipe; 5. an overflow oil tank; 6. a branch pipe; 7. a three-way valve; 8. a scavenge pump; 9. a detection unit; 10. an auxiliary oil overflow pipe; 11. air holes are formed; 12. an access hole; 13. cleaning an oil pipe; 14. a liquid level meter; 15. an oil return pipe; 16. a float switch valve.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention is described in detail below with reference to the accompanying drawings, and the description in this section is only exemplary and explanatory, and should not have any limiting effect on the scope of the present invention.
Embodiment 1, as shown in fig. 1-2, the structure of this embodiment is: a kind of high viscosity lubricating oil return device, it includes the apparatus oil pool 2 and retrieves the oil tank 3, the oil inlet end of the apparatus oil pool 2 communicates with oil storage tank 1, under the function of the oil feed pump, the lubricating oil in the oil storage tank 1 enters the apparatus oil pool 2, in order to lubricate, cool, etc. the work part; the equipment oil pool 2 is connected with an overflow oil tank 5 through a main overflow oil pipe 4, branch pipes 6 are arranged on oil return ports of the equipment oil pool 2 and the overflow oil tank 5, the two branch pipes are connected with a three-way valve 7, the other interface of the three-way valve 7 is connected with one end of an oil return pipe 15, the oil return pipe is connected with the input end of an oil return pump 8, the three-way valve 7 can adopt electric and pneumatic modes and the like, in the embodiment, a pneumatic three-way valve is used for explaining, and when the pneumatic three-way valve is set to be electrified, the overflow oil tank 5 is communicated with the oil return pump 8; when losing the electricity, equipment oil sump 2 communicates with scavenge pump 8, and the benefit of this setting is when pneumatic three-way valve is unusual, can not cause great influence to equipment normal operating.
The output end of the oil return pump 8 is connected with the recovery oil tank 3, the recovery oil tank 3 and the oil storage tank 1 can be integrated, or can be two independent tanks connected through a connecting pipe, and the lubricating oil which is cooled and filtered in the recovery oil tank 3 can enter the oil storage tank 1 again for standby; the overflow oil tank 5 is internally provided with a detection unit 9 for detecting the height of the liquid level inside the overflow oil tank, the detection unit 9 can adopt a liquid level sensor and the like, a floating ball liquid level switch is used for explaining in the embodiment, the data detected by the detection unit 9 can be sent to a control system for controlling the work of the three-way valve 7, the control system controls the work of the three-way valve 7 after analyzing the data, and the above can adopt the PLC system control to connect the pipelines of the oil tanks and arrange valves.
The specific working mode is as follows: firstly, the detection unit 9 is set to a gear, a floating ball liquid level switch adopted in the implementation is taken as an example, the floating ball liquid level switch is set to a third gear, when the detection unit 9 is in a middle gear, the three-way valve 7 is powered, the oil return pump 8 pumps lubricating oil in the overflow oil tank 5 into the recovery oil tank 3, and at the moment, a valve on the equipment oil pool 2 is closed.
When the detection unit 9 is at the lowest gear, the three-way valve 7 is de-energized, the oil return pump 8 pumps the oil in the equipment oil pool to the recovery oil tank 3, and the valve on the overflow oil tank 5 is closed at the moment.
When the detection unit 9 is in the highest gear, the whole device is abnormal, an alarm signal is output, the signal cannot be automatically eliminated, and manual intervention is needed, namely, the alarm is eliminated after the manual inspection is normal.
Under the normal operating condition, the overflow oil tank 5 is connected with the equipment oil pool 2 through the main overflow oil pipe 4, and when oil in the equipment oil pool 2 overflows, the oil can enter the overflow oil tank 5 along the main overflow oil pipe 4.
The concrete during operation: a floating ball switch valve 16 is arranged at the oil inlet end of an auxiliary overflow oil pipe 10 in the overflow oil tank 5, the auxiliary overflow oil pipe 10 is connected with the recovery oil tank 3 through an oil return pump 8, the position of the oil inlet end of the auxiliary overflow oil pipe 10 is lower than the highest gear of the detection unit 9, and when the lubricating oil in the overflow oil tank 5 is excessive, the floating ball switch valve 16 is opened, so that the lubricating oil enters the auxiliary overflow oil pipe 10 and then enters the recovery oil tank 3 along the auxiliary overflow oil pipe 10. When the liquid level of the lubricating oil is lower than the float switch valve 16, the oil inlet end of the auxiliary oil overflow pipe 10 is closed.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention have been described herein using specific examples, which are presented only to aid in understanding the methods and core concepts of the present invention. The foregoing are only preferred embodiments of the present invention, and it should be noted that there are practically unlimited specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features described above can also be combined in a suitable manner; the application of the concepts and technical solutions of the present invention to other applications, with or without any modifications, shall be considered as the scope of the present invention.
Claims (6)
1. A high-viscosity lubricating oil return device comprises an equipment oil pool (2) and a recovery oil tank (3), and is characterized in that the equipment oil pool (2) is connected with an overflow oil tank (5) through a main oil overflow pipe (4), branch pipes (6) are arranged on oil return openings of the equipment oil pool (2) and the overflow oil tank (5), the two branch pipes are connected with a three-way valve (7), the other interface of the three-way valve (7) is connected with one end of an oil return pipe, the oil return pipe is connected with the input end of an oil return pump (8), and the output end of the oil return pump (8) is connected with the recovery oil tank (3); a detection unit (9) used for detecting the height of the liquid level in the overflow oil tank (5) is arranged in the overflow oil tank, and the detection result of the detection unit (9) is used as an input signal for controlling the three-way valve (7) to work.
2. The high viscosity lubricating oil return device according to claim 1, characterized in that an auxiliary oil overflow pipe (10) is arranged on the overflow oil tank (5), the oil inlet end of the auxiliary oil overflow pipe (10) is lower than the oil outlet of the main oil overflow pipe (4), and the oil outlet end of the auxiliary oil overflow pipe (10) is connected with the oil return pump (8).
3. The high viscosity lubricating oil returning device according to claim 1, wherein the top of the overflow oil tank (5) is provided with a vent (11).
4. A high viscosity lube oil return device as claimed in claim 1, characterised in that said overflow tank (5) is provided with a manhole (12).
5. A high viscosity lubricating oil return device according to claim 4, characterized in that the bottom of the overflow oil tank (5) is provided with a cleaning oil pipe (13), the cleaning oil pipe (13) is connected with the return oil pump (8), and the cleaning oil pipe (13) is provided with a valve.
6. A high viscosity lube oil return arrangement as claimed in claim 1, characterised in that a level gauge (14) is provided on the overflow tank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220990434.0U CN218064372U (en) | 2022-04-26 | 2022-04-26 | High-viscosity lubricating oil return device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220990434.0U CN218064372U (en) | 2022-04-26 | 2022-04-26 | High-viscosity lubricating oil return device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218064372U true CN218064372U (en) | 2022-12-16 |
Family
ID=84430567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220990434.0U Active CN218064372U (en) | 2022-04-26 | 2022-04-26 | High-viscosity lubricating oil return device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218064372U (en) |
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2022
- 2022-04-26 CN CN202220990434.0U patent/CN218064372U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HUNAN SANCHUANG FUTAI EQUIPMENT MANAGEMENT Co.,Ltd. Assignor: HUNAN SANCHUANG FUTAI ENVIRONMENTAL PROTECTION MATERIAL CO.,LTD. Contract record no.: X2024980008922 Denomination of utility model: A high viscosity lubricating oil return device Granted publication date: 20221216 License type: Common License Record date: 20240708 |
|
| EE01 | Entry into force of recordation of patent licensing contract |