CN114593354A - Lubricating system for self-lubricating motor of ultra-low-speed sliding bearing - Google Patents
Lubricating system for self-lubricating motor of ultra-low-speed sliding bearing Download PDFInfo
- Publication number
- CN114593354A CN114593354A CN202210257226.4A CN202210257226A CN114593354A CN 114593354 A CN114593354 A CN 114593354A CN 202210257226 A CN202210257226 A CN 202210257226A CN 114593354 A CN114593354 A CN 114593354A
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- oil
- sliding bearing
- lubricating
- pipeline
- low
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 18
- 239000003921 oil Substances 0.000 claims abstract description 78
- 239000010687 lubricating oil Substances 0.000 claims abstract description 10
- 238000005461 lubrication Methods 0.000 claims abstract description 8
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N37/00—Equipment for transferring lubricant from one container to another
- F16N37/003—Equipment for transferring lubricant from one container to another for filling bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2210/00—Applications
- F16N2210/14—Bearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a lubricating system for an ultra-low speed sliding bearing self-lubricating motor, which belongs to the field of lubricating systems and comprises a sliding bearing, a low-voltage motor, a centrifugal pump, an oil suction pipeline, an oil discharge pipeline, a safety valve and an oil inlet pipeline; the low-voltage motor is used for driving the centrifugal pump; the centrifugal pump is communicated with the bearing bush standby hole of the sliding bearing through an oil suction pipeline to suck out lubricating oil; the centrifugal pump is communicated with the bush seat oil inlet hole of the sliding bearing through the oil inlet pipeline to inject lubricating oil; the oil discharge pipeline is provided with the safety valve. The invention discloses a lubricating system for a self-lubricating motor of an ultra-low-speed sliding bearing, which realizes circulating lubrication by utilizing oil stored in an oil tank of the sliding bearing, has small integral volume and simple operation and maintenance, simultaneously has a complete monitoring and controlling system, and ensures that the sliding bearing can run safely and reliably.
Description
Technical Field
The invention relates to the field of lubricating systems, in particular to a lubricating system for a self-lubricating motor of an ultra-low-speed sliding bearing.
Background
At present, a low-speed high-voltage three-phase asynchronous motor generally adopts a self-lubricating structure and is lubricated and radiated by an oil slinger of a sliding bearing. However, when the rotating speed of the motor is lower than 200r/min for long-term operation, the lubricating effect of the bearing is influenced because the oil slinger has low rotating speed and is slow and less, so that when the rotating speed is lower than 200r/min, the self-lubricating motor cannot safely operate for a long time; the existing oil supply system is installed on a motor side plate, the oil supply effect of the system is good, but the system is large in size, a junction box on a motor cannot be installed after installation, the structure is complex, and maintenance is inconvenient.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to solve the technical problem of providing a lubricating system for a self-lubricating motor of an ultra-low-speed sliding bearing, which realizes circulating lubrication by utilizing the oil stored in an oil tank of the sliding bearing, has small integral volume and simple operation and maintenance, simultaneously has a complete monitoring and controlling system and ensures that the sliding bearing can run safely and reliably.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a lubricating system for an ultra-low speed sliding bearing self-lubricating motor, which comprises a sliding bearing, a low-voltage motor, a centrifugal pump, an oil suction pipeline, an oil discharge pipeline, a safety valve and an oil inlet pipeline, wherein the sliding bearing is arranged on the low-voltage motor; the low-voltage motor is used for driving the centrifugal pump; the centrifugal pump is communicated with the bearing bush standby hole of the sliding bearing through an oil suction pipeline to suck out lubricating oil; the centrifugal pump is communicated with the bush seat oil inlet hole of the sliding bearing through the oil inlet pipeline to inject lubricating oil; two ends of the oil unloading pipeline are respectively communicated with the sliding bearing and the oil inlet pipeline; the oil discharge pipeline is provided with the safety valve.
The further technical scheme of the invention is that the lubricating system for the ultra-low speed sliding bearing self-lubricating motor also comprises a flowmeter, a one-way valve and an oil pressure gauge; the oil inlet pipeline is provided with the flowmeter and the oil pressure gauge; the check valve is installed between the flowmeter and the oil pressure gauge.
The invention has the beneficial effects that:
the invention provides a lubricating system for an ultra-low speed sliding bearing self-lubricating motor, which utilizes a low-voltage motor to drive a centrifugal pump to suck out oil in a sliding bearing oil pool, high-pressure oil is injected into a bearing bush through an oil inlet hole at the upper part of a sliding bearing bush seat by monitoring of a flowmeter and an oil pressure gauge and control of a one-way valve to provide lubrication, the oil inlet pressure is monitored by the oil pressure gauge, and if the oil pressure is too high and reaches a set value of a safety valve with a serial number, part of lubricating oil can be discharged into the bottom of the bearing seat of the sliding bearing through the safety valve. The structure is simple, the layout is reasonable, the oil storage in the inner cavity of the sliding bearing is utilized to realize the circulating lubrication, and an oil tank is not needed to be additionally arranged, so that the lubricating system has small volume and can be installed on the end plate of the motor.
Drawings
Fig. 1 is a block diagram of a lubrication system for a self-lubricating motor with ultra-low speed sliding bearings according to an embodiment of the present invention.
In the figure:
a sliding bearing 1; a low-voltage motor 2; a centrifugal pump 3; an oil suction line 4; a flow meter 5; a check valve 6; an oil discharge line 7; a safety valve 8; an oil pressure gauge 9; an oil inlet line 10.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and operate, and therefore the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and it is possible for one of ordinary skill in the art to understand the specific meaning of the above terms according to the specific situation.
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1, and the invention relates to the field of lubricating systems, in particular to a lubricating system for an ultra-low speed sliding bearing self-lubricating motor, which comprises a sliding bearing 1, a low-voltage motor 2, a centrifugal pump 3, an oil suction pipeline 4, an oil discharge pipeline 7, a safety valve 8 and an oil inlet pipeline 10; the low-voltage motor 2 is used for driving the centrifugal pump 3; the centrifugal pump 3 is communicated with a bearing bush standby hole of the sliding bearing 1 through an oil suction pipeline 4 to suck out lubricating oil; the centrifugal pump 3 is communicated with a bush seat oil inlet hole of the sliding bearing 1 through an oil inlet pipeline 10 to inject lubricating oil; two ends of the oil unloading pipeline 7 are respectively communicated with the sliding bearing 1 and the oil inlet pipeline 10; the oil discharge pipeline 7 is provided with a safety valve 8.
The second embodiment is as follows:
the present embodiment is described below with reference to fig. 1, and the present embodiment further describes the first embodiment, in which the lubricating system for the self-lubricating motor of the ultra-low speed sliding bearing further includes a flow meter 5, a check valve 6 and an oil pressure gauge 9; the oil inlet pipeline 10 is provided with a flowmeter 5 and an oil pressure gauge 9; a check valve 6 is installed between the flow meter 5 and the oil pressure gauge 9.
The working principle is as follows: the low-voltage motor 2 is utilized to drive the centrifugal pump 3 to suck out oil in an oil pool of the sliding bearing 1, high-pressure oil is injected into a bearing bush through an oil inlet hole in the upper part of a bearing bush seat of the sliding bearing 1 through monitoring of the flowmeter 5 and the oil pressure gauge 9 and control of the one-way valve 6 to provide lubrication, oil inlet pressure is monitored through the oil pressure gauge 9, and if the oil pressure is too high and reaches a set value of a safety valve with the sequence number of 8, part of lubricating oil can be discharged into the bottom of the bearing seat of the sliding bearing 1 through the safety valve 8. The structure is simple, the layout is reasonable, the oil storage in the inner cavity of the sliding bearing is utilized to realize the circulating lubrication, and an oil tank is not needed to be additionally arranged, so that the lubricating system has small volume and can be installed on the end plate of the motor.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (2)
1. A lubricating system for a self-lubricating motor of an ultra-low speed sliding bearing is characterized in that,
the device comprises a sliding bearing (1), a low-voltage motor (2), a centrifugal pump (3), an oil suction pipeline (4), an oil discharge pipeline (7), a safety valve (8) and an oil inlet pipeline (10);
the low-voltage motor (2) is used for driving the centrifugal pump (3);
the centrifugal pump (3) is communicated with a bearing bush spare hole of the sliding bearing (1) through an oil suction pipeline (4) to suck out lubricating oil;
the centrifugal pump (3) is communicated with a bush seat oil inlet hole of the sliding bearing (1) through the oil inlet pipeline (10) to inject lubricating oil;
two ends of the oil unloading pipeline (7) are respectively communicated with the sliding bearing (1) and the oil inlet pipeline (10);
the oil unloading pipeline (7) is provided with the safety valve (8).
2. The lubrication system for an ultra-low speed sliding bearing self-lubricating motor according to claim 1, wherein:
the device also comprises a flowmeter (5), a one-way valve (6) and an oil pressure gauge (9);
the oil inlet pipeline (10) is provided with the flowmeter (5) and the oil pressure gauge (9);
the one-way valve (6) is arranged between the flowmeter (5) and the oil pressure gauge (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210257226.4A CN114593354A (en) | 2022-03-16 | 2022-03-16 | Lubricating system for self-lubricating motor of ultra-low-speed sliding bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210257226.4A CN114593354A (en) | 2022-03-16 | 2022-03-16 | Lubricating system for self-lubricating motor of ultra-low-speed sliding bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114593354A true CN114593354A (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210257226.4A Pending CN114593354A (en) | 2022-03-16 | 2022-03-16 | Lubricating system for self-lubricating motor of ultra-low-speed sliding bearing |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012107754A (en) * | 2011-12-22 | 2012-06-07 | Mitsubishi Heavy Industries Compressor Corp | Oil console facility |
| CN203702870U (en) * | 2013-12-27 | 2014-07-09 | 合肥华升泵阀有限责任公司 | Lubricating oil operation control system for sliding bearings |
| US20150218980A1 (en) * | 2014-01-31 | 2015-08-06 | Kohler Co. | Lubricating system for internal combustion engine, oil pan apparatus, and internal combustion engine |
| CN106223838A (en) * | 2016-09-19 | 2016-12-14 | 江苏省无锡探矿机械总厂有限公司 | The double speed change rotary motive power head of high pulling torque double motor |
| CN111022493A (en) * | 2019-12-27 | 2020-04-17 | 佳木斯电机股份有限公司 | Lubricating device of self-lubricating sliding bearing |
| CN211289515U (en) * | 2019-11-30 | 2020-08-18 | 贵州开磷集团矿肥有限责任公司 | Main motor bearing bush circulating lubrication system |
-
2022
- 2022-03-16 CN CN202210257226.4A patent/CN114593354A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012107754A (en) * | 2011-12-22 | 2012-06-07 | Mitsubishi Heavy Industries Compressor Corp | Oil console facility |
| CN203702870U (en) * | 2013-12-27 | 2014-07-09 | 合肥华升泵阀有限责任公司 | Lubricating oil operation control system for sliding bearings |
| US20150218980A1 (en) * | 2014-01-31 | 2015-08-06 | Kohler Co. | Lubricating system for internal combustion engine, oil pan apparatus, and internal combustion engine |
| CN106223838A (en) * | 2016-09-19 | 2016-12-14 | 江苏省无锡探矿机械总厂有限公司 | The double speed change rotary motive power head of high pulling torque double motor |
| CN211289515U (en) * | 2019-11-30 | 2020-08-18 | 贵州开磷集团矿肥有限责任公司 | Main motor bearing bush circulating lubrication system |
| CN111022493A (en) * | 2019-12-27 | 2020-04-17 | 佳木斯电机股份有限公司 | Lubricating device of self-lubricating sliding bearing |
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Application publication date: 20220607 |