CN101624997B - Thin oil automatic lubricating system of anti-explosion axial-flow type fan - Google Patents
Thin oil automatic lubricating system of anti-explosion axial-flow type fan Download PDFInfo
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- CN101624997B CN101624997B CN2009100750933A CN200910075093A CN101624997B CN 101624997 B CN101624997 B CN 101624997B CN 2009100750933 A CN2009100750933 A CN 2009100750933A CN 200910075093 A CN200910075093 A CN 200910075093A CN 101624997 B CN101624997 B CN 101624997B
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Abstract
The invention provides a thin oil automatic lubricating system of an anti-explosion axial-flow fan, which comprises an oil filling system arranged outside the fan and a bearing chamber of a fan motor and is mainly characterized in that the oil filling system arranged outside the fan comprises an oil filling box body, an oil return box body, a hydraulic pump, an electromagnetic valve, an oil inlet pipeline, an oil return pipeline and a liquid-level sensor arranged on the oil return box body; the oil filling box body is communicated with the oil return box body, an oil injection hole and an oil injection cover are arranged at the upper part of the oil filling box body, and an oil discharging hole and a plug are arranged at the lower part of the oil return box body; the oil inlet pipeline, the hydraulic pump and the electromagnetic valve are communicated, and communicated to the bearing chamber of the fan motor through the oil inlet pipeline and into the oil return box body from the bearing chamber of the fan motor through the oil return pipeline; and the bearing chamber of the fan motor comprises a bearing inner cover, a bearing outer cover, as well as a plurality of seal rings and oil seals which are arranged on the bearing inner cover and the bearing outer cover. The invention can effectively reduce the heating temperature of a bearing and solves the heat-dissipation problem of the bearing.
Description
Technical field:
The invention belongs to the axial fan technical field, is a kind of thin oil automatic lubricating system of anti-explosion axial-flow type fan specifically.
Technical background:
Existing anti-explosion axial-flow type fan is mainly by the rotation of driven by motor impeller, and axial fan is because impeller is general and the motor direct connection, so lubricated the lubricated of motor that be mainly of blower fan.At present, domestic mine ventilator all adopts traditional solid lubrication grease lubrication, adopts the filling of grease gun formula high pressure oil pump during oiling.This conventional lubrication grease lubrication has the following disadvantages:
1, general bearing LGWA2 lubricating grease, and the SKF bearing needs special grease, and solid grease when annotating oil extraction not smooth, must could annotate oil extraction by high pressure.
2, this kind oiling mode is not directly perceived, and the actual consumption of lubricating grease is not clear.
3, initiate lubricating grease mixes with old lubricating grease and causes that easily lubricating grease is rotten.
4, it is unfavorable that solid lubrication fat characteristic causes the bearing heat radiation.
Summary of the invention:
The objective of the invention is to overcome the deficiency that existing anti-explosion axial-flow type fan lubrication system exists, provide a kind of and can effectively reduce the bearing heating temperature, solve the heat dissipation problem of bearing, thin oil automatic lubricating system of anti-explosion axial-flow type fan,
The present invention is achieved in that
Thin oil automatic lubricating system of anti-explosion axial-flow type fan comprises oil-supplementing system and fan motor bearing chamber two-part composition that ventilator is external; It is characterized in that:
● the oil-supplementing system that described ventilator is external: comprise oiling casing, oil return casing, oil hydraulic pump, solenoid valve, inflow pipeline and oil returning tube, and the liquid level sensor 6 that on described oil return casing, is provided with; Described oiling casing is communicated with the oil return casing, is provided with oil hole and filling oil cover on oiling casing top, and is provided with oil drainage hole and plug at the oil return lower box; Described inflow pipeline, oil hydraulic pump and solenoid valve are communicated with, and are communicated to the bearing chamber of fan motor by inflow pipeline, are communicated with the oil return casing by oil returning tube from the fan motor bearing chamber;
● the bearing chamber of fan motor: by internal bearing cover and bearing end cover, and the some roads seal ring and the oil sealing that are contained on internal bearing cover and the bearing end cover constitute.
The bearing chamber of described fan motor is: the front and back ends at bearing is respectively equipped with fore bearing chamber and rear bearing chamber, and some roads seal ring and oil sealing have all been adopted in fore bearing chamber and rear bearing chamber, and also is provided with back oil ring on the axle of bearing both sides fan motor.
Before described fan motor bearing end cover, add an anti-negative pressure end cap in addition, and sealing gasket is housed in the contacting point of end cap and motor shaft.
Thin oil automatic lubricating system of anti-explosion axial-flow type fan of the present invention is compared with existing lubrication technology.Having outstanding substantive distinguishing features with significant effect is:
1, the air-flow that produces of blower fan running is a negative pressure, the air-flow of motor and blower fan body is separated and seals so adopt every the stream chamber, has guaranteed the distinguished and admirable malleation that is in both sides, motor bearings chamber from structure, thereby prevents that air-flow from extracting oil out from bearing chamber.
2, my company has improved motor bearings structure.Bearing directly is contained on the end cap during conventional solid grease lubrication, does not have corresponding bearing chamber, and my company is lubricated for solving bearing thin oil, in the Front-end Design of motor and improved bearing chamber, and requires motor producer to participate in developing the bearing chamber that adapts to thin oil lubricant.All adopted the back oil ring of multiple-sealed circle and oil sealing and both sides at front end bearing chamber and rear bearing chamber, guaranteed bearing seal and in bearing chamber main axis rotation process thin oil throw away.
3, since negative pressure that blower fan produced sometimes up to 4000-5000pa, add an anti-negative pressure end cap in addition and every stream chamber and end cap joint installation seal ring in that the motor fore bearing is outdoor, assurance air-flow in the stream chamber is the malleation air-flow, and air-flow is a negative-pressure air-flow outside the stream chamber.
4, the casing of oiling and oil return casing are arranged outside the blower fan body, in the oil return casing liquid level sensor is arranged, blower fan inner bearing chamber shifts to an earlier date pre-oiling, when blower fan turns round, automatically toward the interior oil extraction of oil extraction casing, the buoy of liquid level sensor rises the bearing chamber oil exit pipe in the oil extraction case, when buoy rises to desired location by law of connected vessels, liquid level sensor transmits signal, and solenoid valve is connected the while oil hydraulic pump and quit work; When the decline of oil extraction casing liquid level, buoy descends in the casing, and liquid level sensor transmits signal, closed electromagnetic valve, and hydraulic pump works, oil hydraulic pump is from refueling casing by the past pouring orifice oiling of oil filling pipe, oil exit pipe oil extraction simultaneously.
5, in the lubrication oil circulation process, oil level remains at setting height in the bearing chamber, has guaranteed the bearing lubrication needs, and because the interior lubricant oil of bearing chamber constantly circulates, has effectively reduced bearing temperature.(the various quarters mean temperature is seen attached list)
Front and back bearings temperature contrast table
| The front and back bearings temperature | First quarter mean temperature | The second quarter mean temperature | The third season mean temperature | Fourth quarter mean temperature |
| Thin oil lubricant fore bearing temperature ℃ | 42? | 53? | 58? | 42? |
| Thin oil lubricant rear bearing temperature ℃ | 40? | 47? | 55? | 41? |
| Grease lubrication fore bearing temperature ℃ | 62? | 67? | 74? | 63? |
| Grease lubrication rear bearing temperature ℃ | 61? | 65? | 72? | 62? |
Description of drawings:
Fig. 1 is thin oil automatic lubricating system of anti-explosion axial-flow type fan figure of the present invention.
Embodiment:
Below in conjunction with accompanying drawing enforcement of the present invention is further described.
As shown in Figure 1, thin oil automatic lubricating system of anti-explosion axial-flow type fan of the present invention.It comprises oil-supplementing system and the fan motor bearing chamber two-part composition that ventilator is external;
The oil-supplementing system that described ventilator is external: comprise oiling casing 1, oil return casing 2, oil hydraulic pump 3, solenoid valve 4, inflow pipeline 5 and oil returning tube 6, and the liquid level sensor 7 that on described oil return casing, is provided with.Described oiling casing is communicated with the oil return casing, as the same be provided with oil hole and filling oil cover 8 refueling casing top, and (end) portion is provided with oil drainage hole and plug 9 under the oil return casing; Inflow pipeline, oil hydraulic pump and solenoid valve are communicated with, and be communicated to the bearing chamber 10 of fan motor by inflow pipeline, be communicated with the oil return casing by oil returning tube from the fan motor bearing chamber, constituted the external oil-supplementing system of ventilator that thin oil automatic lubricating is provided to the fan motor bearing chamber like this.In addition, be provided with oil ga(u)ge 11 separately, in order to the oil level of indication fuel tank in external side of filler tank and oil return casing.
The bearing chamber of fan motor: bearing directly is contained on the end cap during conventional solid grease lubrication, does not have corresponding bearing chamber, and lubricated for solving bearing thin oil, the present invention has designed thin oil lubricant bearing chamber structure to fan motor.
The bearing chamber of fan motor by bearing support, be contained in bearing support upper bearing (metal) inner cap 13 and bearing end cover 14, and be contained in multiple-sealed circle and oil sealing 15 formations on internal bearing cover and the bearing end cover.Front and back ends at the fan motor bearing is respectively equipped with fore bearing chamber and rear bearing chamber, multiple-sealed circle and oil sealing have all been adopted in fore bearing chamber and rear bearing chamber, bearing both sides fan motor the axle be provided with back oil ring 16, guaranteed bearing seal and in bearing chamber main axis rotation process thin oil throw away.
Because the negative pressure that ventilator produced adds an anti-negative pressure end cap 17 in addition, and in the contacting point of end cap and motor shaft sealing gasket 18 is housed sometimes up to 4000-5000pa before described fan motor bearing end cover.Be used for like this guaranteeing that air-flow is the malleation air-flow in stream chamber 19, air-flow is a negative-pressure air-flow outside the stream chamber.
The working principle of thin oil automatic lubricating system of anti-explosion axial-flow type fan of the present invention:
Ventilator inner bearing chamber should shift to an earlier date pre-oiling, when blower fan turns round, the oil returning tube that is communicated with on the bearing chamber relies on the working principle interior oil extraction of oil box back automatically of connecting vessels, oil rises in the oil sump tank, when liquid level rises to liquid level sensor and sets upper limit position, liquid level sensor sends high level signal, and solenoid valve is connected, and oil hydraulic pump quits work simultaneously; Oil descends in the oil sump tank, when liquid level drops to liquid level sensor and sets the lower position, liquid level sensor sends low level signal, closed electromagnetic valve, hydraulic pump works, oil hydraulic pump are in the oiling casing and by refueling pipeline toward the bearing chamber fuel feeding, and the while, oil exit pipe was also in oil extraction, at this moment, thin oil lubricant is carried out in ventilator inner bearing chamber.
The air-flow that ventilator running produces is a negative pressure, the air-flow of motor and ventilator body is separated and seals so adopt every the stream chamber, has guaranteed the distinguished and admirable malleation that is in both sides, motor bearings chamber from structure, thereby prevents that air-flow from extracting oil out from bearing chamber.
Claims (1)
1. a thin oil automatic lubricating system of anti-explosion axial-flow type fan comprises oil-supplementing system and fan motor bearing chamber two-part composition that ventilator is external; It is characterized in that:
● the oil-supplementing system that described ventilator is external: comprise oiling casing (1), oil return casing (2), oil hydraulic pump (3), solenoid valve (4), inflow pipeline (5) and oil returning tube (6), and the liquid level sensor (7) that on described oil return casing, is provided with; Described oiling casing is communicated with the oil return casing, and described inflow pipeline, oil hydraulic pump and solenoid valve are communicated with, and is communicated to the bearing chamber (10) of fan motor by inflow pipeline, is communicated with the oil return casing by oil returning tube from the fan motor bearing chamber;
● the bearing chamber of fan motor: by bearing support, be contained in bearing support upper bearing (metal) inner cap (13) and bearing end cover (14), and be contained in some roads seal ring and oil sealing (15) formation on internal bearing cover and the bearing end cover;
● the bearing chamber of described fan motor is: the front and back ends at bearing is respectively equipped with fore bearing chamber and rear bearing chamber, some roads seal ring and oil sealing have all been adopted in fore bearing chamber and rear bearing chamber, and also are provided with back oil ring (16) on the axle of bearing both sides fan motor;
● before described fan motor bearing end cover, add an anti-negative pressure end cap (17) in addition, and sealing gasket (18) is housed in the contacting point of end cap and motor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100750933A CN101624997B (en) | 2009-08-05 | 2009-08-05 | Thin oil automatic lubricating system of anti-explosion axial-flow type fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100750933A CN101624997B (en) | 2009-08-05 | 2009-08-05 | Thin oil automatic lubricating system of anti-explosion axial-flow type fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101624997A CN101624997A (en) | 2010-01-13 |
| CN101624997B true CN101624997B (en) | 2011-05-18 |
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| CN2009100750933A Active CN101624997B (en) | 2009-08-05 | 2009-08-05 | Thin oil automatic lubricating system of anti-explosion axial-flow type fan |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108869342A (en) * | 2018-08-03 | 2018-11-23 | 海宁马桥大都市热电有限公司 | A kind of energy-efficient air-introduced machine applying to boiler |
| CN112122671B (en) * | 2020-08-24 | 2022-07-08 | 北京北一机床有限责任公司 | Lubricating oil return device and method for accessory milling head |
| CN112343846A (en) * | 2020-11-17 | 2021-02-09 | 江苏恒康机电有限公司 | Automatic lubrication type low-noise explosion-proof fan with good anti-seismic performance |
| CN116255359B (en) * | 2023-01-17 | 2024-04-16 | 江苏精亚风机有限公司 | Centrifugal fan capable of adjusting lubrication speed according to operation conditions |
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Owner name: SHANXI ANRUI FAN ELECTRIC CO., LTD. Free format text: FORMER NAME: SHANXI YUNCHENG ANRUI ENERGY SAVING BLOWER CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 044402 Shanxi province Yuncheng City Xiaxian Head Industrial Park Patentee after: SHANXI ANRUI FAN ELECTRIC CO., LTD. Address before: 044402 Shanxi province Yuncheng City Xiaxian Head Industrial Park Patentee before: Shanxi Yuncheng Anrui Energy Saving Blower Co., Ltd. |
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Address after: 044402 Shanxi province Yuncheng City Xiaxian Head Industrial Park Patentee after: Shanxi Province, an electric fan Limited by Share Ltd Address before: 044402 Shanxi province Yuncheng City Xiaxian Head Industrial Park Patentee before: SHANXI ANRUI FAN ELECTRIC CO., LTD. |
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