CN210372819U - Fan lubricating system - Google Patents
Fan lubricating system Download PDFInfo
- Publication number
- CN210372819U CN210372819U CN201921068332.8U CN201921068332U CN210372819U CN 210372819 U CN210372819 U CN 210372819U CN 201921068332 U CN201921068332 U CN 201921068332U CN 210372819 U CN210372819 U CN 210372819U
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- oil
- valve
- tank
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- fan
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Abstract
The utility model discloses a fan lubricating system belongs to fan lubrication technical field, provide reliable lubrication for fan bearing, including the bearing frame, characterized by, still include the main oil tank, the filter screen, the main oil pump, the auxiliary oil pump, first check valve, the second check valve, binocular filter, the oil cooler, the bypass valve, the female pipe of collection oil, first control valve, the high-pressure nitrogen gas bottle, the pressure reducer, nitrogen gas control valve, the oil level gaugember, the high-order oil tank, the manometer, the atmospheric valve, the second control valve, the governing valve, the oil pressure regulating valve, the bypass valve, the heater, first thermometer, oil return pipe, the second thermometer, there are three kinds of lubricated modes to use, can guarantee that fan bearing can obtain lubricated and cooling reliably under most operating modes, bearing wear has been reduced, the security of fan operation has been improved greatly.
Description
Technical Field
The utility model relates to a fan lubricating system belongs to the mechanical lubrication technology field.
Background
The lubricating system is fan blood, the connecting or combining part between the rotating shaft and the bearing of the fan has the functions of lubrication, cooling, rust prevention, cleaning, sealing and the like, a good lubricating system is a necessary condition for the normal work of the fan, the existing fan lubrication usually adopts an oil bath lubrication mode, one part of the bearing adopting the lubricating mode is always submerged in lubricating oil, most of heat generated by friction between the rotating shaft and the bearing is remained in a bearing seat oil pool, the temperature of the lubricating oil is always high, impurities generated by abrasion are also remained in the bearing seat oil pool, the abrasion between the bearing and a shaft neck is relatively serious, and in the occasion of adopting a variable frequency motor to drive the fan, because the oil pressure of a shaft head pump is unstable at a low rotating speed during starting, a stable oil film is difficult to establish in the bearing, and the abrasion of the bearing is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fan lubricating system that can solve above-mentioned problem.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a fan lubricating system, includes the main oil tank, the filter screen, the main oil pump, the auxiliary oil pump, first check valve, the second check valve, binocular filter, the oil cooler, the bypass valve, the female pipe of collection oil, first control valve, high-pressure nitrogen gas bottle, the pressure reducer, nitrogen gas control valve, the oil level gauge, the high-order oil tank, the manometer, atmospheric valve, the second control valve, the governing valve, the bearing frame, the oil pressure regulating valve, the bypass valve, the heater, first thermometer, the oil return pipe, the second thermometer, the heater.
The filter screen is arranged at an outlet of the main oil tank, an oil outlet of the main oil tank is respectively connected with oil inlets of the auxiliary oil pump and the main oil pump, oil outlets of the auxiliary oil pump and the main oil pump are respectively connected with the double-cylinder filter through the first check valve and the second check valve, the double-cylinder filter is connected with the oil cooler, and the oil cooler is connected with the oil collecting main pipe;
the first branch of the oil collecting main pipe is connected with the high-level oil tank;
preferably, the high-level oil tank is connected with a high-pressure nitrogen cylinder through the nitrogen control valve and the pressure reducer in sequence;
preferably, an oil pressure gauge is arranged on the high-level oil tank;
preferably, an oil level gauge is arranged on the high-level oil tank;
preferably, a vent valve is arranged on the high-level oil tank;
the second branch of the oil collecting main pipe is connected with an oil inlet hole at the top of a bearing chamber in the bearing seat through a first control valve and a regulating valve in sequence, and an oil pool of the bearing seat is connected with a main oil tank;
a first thermometer is arranged on the bearing seat;
preferably, a second thermometer is arranged on the main oil tank;
further, the heater is disposed in the main tank;
preferably, a third branch of the oil collecting main pipe is connected with a second control valve;
oil inlet holes are formed in the top and the bottom of a bearing chamber in the bearing seat, and oil return holes are formed in the side face of the bearing chamber.
The working principle of the utility model is that the bearing can adopt three lubricating modes, the first lubricating mode is an oil bath type lubricating mode, enough lubricating oil is arranged in the bearing seat at the moment, the lubricating oil enters the bearing chamber from an oil inlet hole at the bottom of the bearing chamber, the fan shaft drives the lubricating oil in the bearing chamber when rotating, so that the lubricating oil in the bearing chamber and the bearing box generates a liquid level difference, the lubricating oil in the bearing chamber with higher liquid level returns to the bearing box through an oil return hole, thereby realizing the lubrication and cooling of the bearing, the second lubricating mode is that when the fan is started, the rotating speed is lower, the oil pressure is lower at the moment, the oil type lubrication can not meet the requirement, the pressure lubricating oil in the oil collecting main pipe is sprayed into the bearing chamber through the oil inlet hole at the top of the bearing chamber, the oil returns to an oil pool from the side surface of the bearing chamber and the oil return hole at the bottom, thereby, if the power is cut off or the output of the oil pump is insufficient, the pressure oil in the high-level oil tank can maintain the oil pressure of the lubricating system for a period of time, and the lubrication of the bearing is ensured.
The beneficial effects of the utility model are that, owing to there are three kinds of lubricated modes to use, can guarantee that fan bearing can be lubricated and cooled off reliably under most operating modes, reduced bearing wear, improved the security of fan operation greatly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a sectional view of a mid-plane of the bearing housing;
FIG. 3 is a side view of the bearing housing;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a main oil tank, 2-a filter screen, 3-a main oil pump, 4-an auxiliary oil pump, 5-a first check valve, 6-a second check valve, 7-a double-cylinder filter, 8-an oil cooler, 9-a bypass valve, 10-an oil collecting main pipe, 11-a first control valve, 12-a high-pressure nitrogen gas bottle, 13-a pressure reducer, 14-a nitrogen gas control valve, 15-an oil level meter, 16-a high-level oil tank, 17-a pressure gauge, 18-an air release valve, 19-a second control valve, 20-a regulating valve, 21-a bearing seat, 22-a first thermometer, 23-an oil return pipe, 24-a second thermometer and 25-a heater;
211-oil inlet at the bottom of the bearing housing, 212-oil inlet at the top of the bearing housing, 213-oil return at the side of the bearing housing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-3, the present invention relates to a fan lubrication system;
the filter screen 2 is arranged at the middle outlet of the main oil tank 1, the oil outlets of the main oil tank 1 are respectively connected with the oil inlets of a main oil pump 3 and an auxiliary oil pump 4, the oil outlets of the main oil pump and the auxiliary oil pump are respectively connected with a double-cylinder filter 7 through a first check valve 5 and a second check valve 6, the double-cylinder filter 7 is connected with an oil cooler 8, and the oil cooler 8 is connected with an oil collecting main pipe 10;
the double-cylinder filter 7 is connected with an oil collecting main pipe 10 through a bypass valve 9.
The working process of the part is that lubricating oil in a main oil tank 1 is filtered by a filter screen 2 and then respectively enters a main oil pump 3 and an auxiliary oil pump 4, the main oil pump 3 is usually a shaft head pump, when the rotating speed of a fan is low, oil pressure is difficult to build, the auxiliary oil pump 4 is started at the moment to ensure the oil pressure of a lubricating system, a first check valve 5 and a second check valve 6 are used for preventing the main oil pump 3 and the auxiliary oil pump 4 from forming closed circulation when the fan rotates reversely, pressure oil of the main oil pump 3 or the auxiliary oil pump 4 enters a double-cylinder filter 7 for filtering, and then enters an oil collecting main pipe 10 after being cooled by an oil cooler 8;
when the oil temperature is low or the oil cooler 8 is overhauled, the pressure oil filtered by the double-drum filter 7 can be directly sent to the oil collecting main pipe 10 through the bypass valve 9.
The oil collecting main pipe 10 is output in three paths;
wherein, the first branch of the oil collecting main pipe 10 is connected with a high-level oil tank;
a second branch of the oil collecting main pipe 10 is connected with an oil inlet hole at the top of a bearing chamber in a bearing seat through a first control valve 19 and a regulating valve 20 in sequence, and an oil pool of the bearing seat is connected with a main oil tank;
a third branch of the oil collecting main pipe is connected with a second control valve 11;
in the working process of the part, pressure oil in the oil collecting main pipe 10 is sent to the high-level oil tank 16 so as to ensure normal operation for a period of time when a system fails;
a second branch of the oil collecting main pipe 10 is connected with an oil inlet hole at the top of a bearing chamber in a bearing seat through a first control valve and a regulating valve in sequence to establish forced lubrication for the bearing chamber, an oil pool of the bearing seat is connected with a main oil tank, and return oil in the oil pool returns to the main oil tank;
the third branch of the oil collecting main pipe passes through the second control valve 11 to provide lubricating oil for other places needing lubricating oil, and then returns to the main oil tank through the oil return pipe 23.
The high-level oil tank 16 is connected with the high-pressure nitrogen cylinder 12 through a nitrogen control valve 14 and a pressure reducer 13 in sequence, and the purpose is to maintain the micro-positive pressure in the high-level oil tank 16 and prevent the pressure lubricating oil in the high-level oil tank 16 from being oxidized.
An oil pressure gauge 17 is arranged on the high-level oil tank 16 so as to observe the lubricating oil pressure in the high-level oil tank 16 at any time;
an oil level indicator 15 is arranged on the high-level oil tank 16, so that the lubricating oil level in the high-level oil tank 16 can be observed at any time, an alarm is given at a low oil level, and the lubricating oil is supplemented in time;
the high-level oil tank 16 is provided with a vent valve 18, and the gas in the high-level oil tank 16 is vented when necessary;
the bearing seat 21 is provided with a first thermometer 21 for monitoring the temperature of lubricating oil in the bearing box, and when the temperature of the lubricating oil is too high, oil enters an oil inlet hole at the top of the bearing chamber and forced circulation is started;
the main oil tank 1 is provided with a second thermometer 24 and a heater 25, and when the temperature of the oil in the main oil tank 1 is monitored to be too low, the heater is put into the main oil tank in time to improve the temperature of the oil in the main oil tank;
the top of the bearing chamber in the bearing seat 21 is provided with an oil inlet hole 211, the bottom of the bearing chamber is provided with an oil inlet hole 212, and the side of the bearing chamber is provided with an oil return hole 213 for respectively feeding and returning oil under different working conditions.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. The particular features, structures, materials, or characteristics described in this specification may be combined in any suitable manner in one or more embodiments or examples.
Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A fan lubricating system comprises a bearing seat and is characterized by further comprising a main oil tank, a filter screen, a main oil pump, an auxiliary oil pump, a first check valve, a second check valve, a double-cylinder filter, an oil cooler, an oil collection main pipe, a first control valve, a high-pressure nitrogen cylinder, a pressure reducer, a nitrogen control valve, an oil level gauge, a high-level oil tank, a pressure gauge, an emptying valve, a second control valve, a regulating valve, an oil pressure regulating valve, a bypass valve, a heater, a first thermometer, an oil return pipe and a second thermometer;
the filter screen is arranged at an outlet of the main oil tank, an oil outlet of the main oil tank is respectively connected with oil inlets of the auxiliary oil pump and the main oil pump, oil outlets of the auxiliary oil pump and the main oil pump are respectively connected with the double-cylinder filter through the first check valve and the second check valve, the double-cylinder filter is connected with the oil cooler, and the oil cooler is connected with the oil collecting main pipe;
the first branch of the oil collecting main pipe is connected with the high-level oil tank;
the second branch of the oil collecting main pipe is connected with an oil inlet hole at the top of a bearing chamber in the bearing seat through a first control valve and a regulating valve in sequence, and an oil pool of the bearing seat is connected with a main oil tank.
2. A blower lubrication system as claimed in claim 1, wherein said high level tank is connected to a high pressure nitrogen cylinder through said nitrogen control valve and said pressure reducer in sequence.
3. A blower lubrication system as set forth in claim 1 wherein said high level oil tank is provided with an oil pressure gauge.
4. A blower lubrication system as set forth in claim 1 wherein said high level tank is provided with an oil level gauge.
5. A blower lubrication system as set forth in claim 1 wherein a blow-down valve is provided on said high-level tank.
6. A fan lubrication system according to claim 1, wherein said bearing housing is provided with a first thermometer.
7. A fan lubrication system according to claim 1, wherein a second thermometer is provided on said main oil tank.
8. A fan lubrication system as claimed in claim 1, wherein said heater is located in said main tank.
9. A blower lubrication system as set forth in claim 1 wherein the third branch of the oil collection manifold is connected to a second control valve.
10. A blower fan lubrication system as in claim 1, wherein the bearing housing in the bearing housing has oil inlets at both the top and bottom and oil return holes at the sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921068332.8U CN210372819U (en) | 2019-07-10 | 2019-07-10 | Fan lubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921068332.8U CN210372819U (en) | 2019-07-10 | 2019-07-10 | Fan lubricating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210372819U true CN210372819U (en) | 2020-04-21 |
Family
ID=70270251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921068332.8U Expired - Fee Related CN210372819U (en) | 2019-07-10 | 2019-07-10 | Fan lubricating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210372819U (en) |
-
2019
- 2019-07-10 CN CN201921068332.8U patent/CN210372819U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 Termination date: 20210710 |
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| CF01 | Termination of patent right due to non-payment of annual fee |