CN115435227B - Automatic oiling method and device for bearing - Google Patents
Automatic oiling method and device for bearing Download PDFInfo
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- CN115435227B CN115435227B CN202211056875.4A CN202211056875A CN115435227B CN 115435227 B CN115435227 B CN 115435227B CN 202211056875 A CN202211056875 A CN 202211056875A CN 115435227 B CN115435227 B CN 115435227B
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- oiling
- oil
- fan
- bearing
- lubricating grease
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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
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/18—Lubricating
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C37/00—Cooling of bearings
- F16C37/007—Cooling of bearings of rolling 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
- F16N27/00—Proportioning devices
- F16N27/02—Gating equipment
-
- 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
- F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
- F16N29/04—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems enabling a warning to be given; enabling moving parts to be stopped
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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
- F16N31/00—Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus
- F16N31/02—Oil catchers; Oil wipers
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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
- F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
- F16N39/02—Arrangements for conditioning of lubricants in the lubricating system by cooling
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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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- 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
- F16N2210/16—Pumps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to the technical field of fan lubrication, and discloses an automatic bearing oiling method and an oiling device. The automatic bearing oiling method comprises the following steps: the controller receives a fan starting signal and controls the oiling device to act, and the oiling device alternately performs an oiling process and an oil mixing process; wherein: the oiling process is that the controller controls the oiling driving piece to drive the oiling piece to move along a first direction for a first preset time t1 so as to inject lubricating grease in the oiling cavity into the bearing box and enable the lubricating grease in the bearing box to flow back into the oil return cavity; the oil mixing process is that the controller controls the oil injection driving piece to drive the oil injection piece to move along the second direction for a second preset time t2, so that lubricating grease on one side of the oil injection piece flows to the other side of the oil injection piece. The bearing automatic oiling method can be used for filling lubricating grease into the bearing box when the fan works so as to lubricate, cool and dissipate heat of the bearing and ensure the running stability of the fan.
Description
Technical Field
The invention relates to the technical field of fan lubrication, in particular to an automatic bearing oiling method and an oiling device.
Background
The box-type fan comprises a box body and a fan arranged in the box body, wherein the fan is a machine for improving the pressure of gas and discharging the gas by means of input mechanical energy, and is a driven fluid machine. Wherein bearings are required for rotation of the ventilator. In order to enable the bearing to work in a good state, the bearing needs to be filled with lubricating grease regularly to play roles in lubrication, cooling and heat dissipation, but the bearing of the conventional fume exhaust box type fan usually encounters the following problems when being filled with the lubricating grease:
(1) Some box-type fan cases have no oil filling hole, and after the fan case needs to be shut down and disassembled, bearing lubricating grease is manually filled, but uncertainty exists in manual lubrication grease filling, so that the fan bearing cannot be accurately filled with oil, the situation of too much or too little lubrication can be caused, the lubrication effect is insufficient when the lubrication grease is filled too little, the cooling effect is insufficient, and the bearing is worn and the service life is reduced; excessive grease filling results in increased running resistance of the bearing, insufficient heat dissipation space, overheating of the bearing, reduced service life, and excessive grease and environmental pollution.
(2) After the bearing works for a long period, the lubricating grease can generate carbide, metal particles and other impurities or oxidize and deteriorate, and if the lubricating grease is not replaced, the heat dissipation effect and the lubricating effect can be affected, and the oil way is blocked and the bearing abrasion is accelerated.
Therefore, it is desirable to provide an automatic bearing oiling method to solve the above-mentioned problems.
Disclosure of Invention
Based on the problems, the invention aims to provide an automatic bearing oiling method and an oiling device, which can be used for filling lubricating grease into a bearing when a fan works, can realize accurate oiling and avoid the phenomenon of too much or too little filling.
In order to achieve the above object, the following technical scheme is provided:
an automatic oiling method for a bearing comprises the following steps:
the controller receives a fan starting signal and controls the oiling device to act, and the oiling device alternately performs an oiling process and an oil mixing process; wherein:
and (3) oiling: the controller controls the oiling driving piece to drive the oiling piece to move along a first direction for a first preset time t1 so as to inject the lubricating grease in the oiling cavity into the bearing box and enable the lubricating grease in the bearing box to flow back into the oil return cavity;
and (3) an oil mixing process: the controller controls the oiling driving piece to drive the oiling piece to move along a second direction for a second preset time t2 so that the lubricating grease on one side of the oiling piece flows to the other side of the oiling piece;
wherein the first direction is parallel to the second direction and opposite in direction.
As a preferable mode of the automatic bearing oiling method, before the controller controls the oiling device to act, the method further comprises:
the controller acquires the oil change period of the fan in the database, and when the fan is started and is positioned at an oil change node, the controller controls the oil injection device to act.
As a preferable scheme of the automatic bearing oil adding method, the establishment process of the oil change period of the fan in the database specifically comprises the following steps:
step S01: the controller collects working data of the fan and uploads the working data of the fan to the database, wherein the working data of the fan comprises operation data of the fan, replacement frequency of lubricating grease and oiling amount of the lubricating grease;
step S02: and the database calculates the oil change period of the fan according to the working data of the fan.
As a preferred scheme of the automatic bearing oil adding method, the establishing process of the oil change period of the fan in the database further comprises the following steps:
step S03: observing the color and the character of the lubricating grease from the outside of the oiling cavity or the oil return cavity, and manually correcting the oil change period of the fan in the database;
step S04: the step S02 and the step S03 are repeated.
As a preferable scheme of the automatic bearing oiling method, a temperature sensor is further arranged in the bearing box and is used for detecting the current temperature T1 of the bearing box;
after the fan is started, when the current temperature T1 is more than or equal to a first preset temperature T0, the controller controls the cooling water flow channel to be communicated with the cooling water supply assembly so as to cool lubricating grease in the oiling cavity and the oil return cavity.
As a preferable scheme of the automatic bearing oil adding method, after the fan is started, when the current temperature T1 is more than or equal to a second preset temperature T0', and the controller receives an abnormal operation signal of the fan, the controller controls the oil injection device to adjust the alternating frequency of the oil injection process and the oil mixing process so as to shorten the first preset time T1 and the second preset time T2 at the same time;
wherein the second preset temperature T0' > the first preset temperature T0.
As a preferable scheme of the automatic bearing oil adding method, when the current temperature T1 is more than or equal to a second preset temperature T0', and the controller does not receive the abnormal operation signal of the fan, the controller adjusts the second preset temperature T0' to a third preset temperature T0', and the third preset temperature T0' is more than the second preset temperature T0'.
As a preferred embodiment of the automatic bearing oiling method, the automatic bearing oiling method further comprises:
after the oiling process and the oil mixing process are circulated for n times, an alarm gives an alarm to prompt the replacement of the oiling device.
As a preferred embodiment of the automatic bearing oiling method, the automatic bearing oiling method further comprises:
and the controller receives the fan stop signal and controls the oiling device to stop filling the lubricating grease into the bearing box.
The invention also provides an oiling device, which adopts the automatic oiling method for the bearing according to any scheme to fill lubricating grease into the bearing box.
The beneficial effects of the invention are as follows:
according to the automatic bearing oiling method provided by the invention, lubricating grease can be infused into the bearing box without stopping the blower housing; the lubricating grease can be automatically filled in the running process of the fan, so that the normal running efficiency of the fan is improved, the service life of a fan bearing is prolonged, the labor cost and the maintenance cost are reduced, the oil management is controllable, and the safety is higher; when the lubricating grease in the oil injection cavity is injected into the bearing box, the lubricating grease in the bearing box is sucked into the oil return cavity in an equal amount, so that on one hand, the condition that the lubricating grease overflows and pollutes the environment due to excessive oil injection amount in the bearing box can be avoided, and on the other hand, old oil can be replaced when new oil is injected, the cleanliness of oil is improved, and the heat dissipation effect and the lubricating effect of the bearing are improved; in addition, through setting up the oil mixing process, the lubricating grease in oiling chamber and the return oil chamber can cyclic utilization, reduce the replacement cost of lubricating grease, improve user's use experience.
According to the oiling device provided by the invention, by adopting the automatic oiling method for the bearing, lubricating grease can be added to the bearing box when the fan works, so that the effects of lubricating, cooling and radiating the bearing are achieved, and the running stability of the fan is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the description of the embodiments of the present invention, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.
Fig. 1 is a schematic structural diagram of a smoke exhaust box fan according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of an oiling device according to an embodiment of the present invention during oiling;
fig. 3 is a schematic structural diagram of an oiling device according to an embodiment of the present invention during oil mixing;
FIG. 4 is a flowchart I of a method for automatically oiling a bearing according to a third embodiment of the present invention;
fig. 5 is a flowchart two of a method for automatically filling oil into a bearing according to a third embodiment of the present invention.
In the figure:
100-bearing housing; 101-oil inlet; 102-an oil outlet;
1-an oil storage shell; 11-an inner shell; 111-an oil injection cavity; 1111-an oil injection outlet; 112-an oil return cavity; 1121-an oil return inlet; 12-a housing; 121-a cooling water flow passage; 13-a separator;
2-oiling assembly; 21-oiling piece; 22-oiling driving piece; 23-connecting rod;
3-check valve.
Detailed Description
In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1, this embodiment provides an oiling device, and this oiling device is mainly applied to the box fan of fume exhaust, and fume exhaust box fan includes bearing box 100, is provided with the bearing in the bearing box 100, and this fume exhaust box fan is at the during operation, and the bearing takes place to rotate, in order to make the bearing work under good state, need regularly annotate the lubricating grease in the bearing box 100, plays lubricated, cooling and radiating effect.
Specifically, the oiling device provided in this embodiment is used for filling grease into the bearing housing 100, as shown in fig. 1-2, the bearing housing 100 is provided with an oil inlet 101 and an oil outlet 102, the oiling device includes an oil storage shell 1 and an oiling assembly 2, an oiling cavity 111 and an oil return cavity 112 which are communicated are arranged in the oil storage shell 1, an oiling outlet 1111 which can be communicated with the oil inlet 101 is arranged on the oiling cavity 111, and an oil return inlet 1121 which can be communicated with the oil outlet 102 is arranged on the oil return cavity 112; the oiling assembly 2 comprises an oiling driving piece 22 and an oiling piece 21, wherein the oiling piece 21 is positioned in an oiling cavity 111 or an oil return cavity 112 and can be lifted under the driving action of the oiling driving piece 22; when the oil filling driving member 22 drives the oil filling member 21 to move along the first direction, the lubricating grease in the oil filling cavity 111 can be filled into the bearing box 100, and the lubricating grease in the bearing box 100 can flow back into the oil return cavity 112; when the grease filling driving member 22 drives the grease filling member 21 to move in the second direction, the grease located above the grease filling member 21 in the grease filling chamber 111 can flow to the lower side of the grease filling member 21, or the grease located below the grease filling member 21 in the oil return chamber 112 can flow to the upper side of the grease filling member 21.
According to the oiling device provided by the embodiment, when the oiling driving piece 22 drives the oiling piece 21 to move along the first direction, lubricating grease in the oiling cavity 111 can be pressed into the bearing box 100, at the moment, the space at one side of the oiling piece 21 forms vacuum, so that the lubricating grease in the bearing box 100 is sucked into the oil return cavity 112, the automatic replacement process of the lubricating grease in the bearing box 100 is realized, a fan shell is not required to be disassembled, the lubricating grease filling efficiency is improved, and the lubricating grease can be filled into the bearing box 100 when the fan works, so that the effects of lubricating, cooling and heat dissipation on a bearing are achieved, and the running stability of the fan is ensured; while the lubricating grease in the oil injection cavity 111 is injected into the bearing box 100, the same amount of lubricating grease in the bearing box 100 is sucked into the oil return cavity 112, so that the condition that the lubricating grease overflows and pollutes the environment due to excessive oil injection amount in the bearing box 100 can be avoided; in addition, when the oil injection driving member 22 drives the oil injection member 21 to move in the second direction, the grease above the oil injection member 21 in the oil injection chamber 111 can flow below the oil injection member 21, or the grease below the oil injection member 21 in the oil return chamber 112 can flow above the oil injection member 21, so as to realize the grease mixing process of the grease in the oil injection chamber 111 and the oil return chamber 112, further realize the repeated recycling of the grease, and reduce the oil injection cost.
Further, the oiling assembly 2 further comprises a connecting rod 23, a perforation is arranged on the oil storage shell 1, the oiling driving piece 22 is positioned outside the oil storage shell 1, one end of the connecting rod 23 is connected with the output end of the oiling driving piece 22, and the other end of the connecting rod passes through the perforation to be connected with the oiling piece 21. The oiling driving member 22 drives the oiling member 21 to move up and down through the connecting rod 23, so that the movement stroke of the oiling member 21 can be increased. In this embodiment, the oiling drive 22 is a propeller. The specific structure of the propeller is not limited in this embodiment as long as the upward and downward movement of the oil filler 21 can be achieved.
Of course, in other embodiments, the oiling drive 22 may be other linear drive configurations.
Optionally, a sealing element is arranged between the connecting rod 23 and the perforation, so that the air circulation inside and outside the oil injection cavity 111 is avoided, and the oil injection process is prevented from being influenced. In this embodiment, the sealing member may be a rubber ring, so that the sealing effect is better, and the manufacturing cost is lower.
Optionally, a check valve 3 is disposed between the oil filling outlet 1111 and the oil inlet 101, so as to ensure that grease in the oil filling cavity 111 can only flow unidirectionally from the oil filling outlet 1111 to the oil inlet 101, and prevent grease in the bearing housing 100 from flowing back into the oil filling cavity 111, thereby affecting the oil filling process. In this embodiment, the oil filling outlet 1111 and the oil inlet 101 are connected through an oil filling pipeline, the oil outlet 102 and the oil return inlet 1121 are connected through an oil return pipeline, and the check valve 3 is disposed on the oil filling pipeline.
In this embodiment, the oil filling member 21 is located in the oil filling cavity 111, the oil filling member 21 is made of rubber or silica gel, and the thickness of the oil filling member 21 gradually becomes thinner from the middle to the edge. At this time, the first direction is a vertically downward direction, and the second direction is a vertically upward direction.
The oil filler 21 made of rubber or silicone is relatively easily deformed and has good sealing property. When the oiling driving piece 22 drives the oiling piece 21 to move downwards, grease below the oiling piece 21 can generate a first upward acting force on the oiling piece 21, grease above the oiling piece 21 can generate a second downward acting force on the oiling piece 21, and the first acting force and the second acting force are balanced, and at the moment, the oiling piece 21 is tightly matched with the inner wall of the oiling cavity 111, so that the automatic oiling and oil mixing processes are realized; when the grease filling driving member 22 drives the grease filling member 21 to move upwards, grease above the grease filling member 21 generates a third downward force on the grease filling member 21, and due to the arrangement of the check valve 3, a vacuum is formed in a space below the grease filling member 21 in the grease filling cavity 111, a fourth downward force is generated on the grease filling member 21, the third force and the fourth force are overlapped to cause deformation of the grease filling member 21, and due to the fact that the edge of the grease filling member 21 is thinner and the middle of the grease filling member 21 is connected with the connecting rod 23, the grease filling member 21 presents an umbrella-shaped structure in the upward movement process, and at the moment, the grease above the grease filling member 21 in the grease filling cavity 111 can flow to the lower part of the grease filling member 21 from a gap between the edge of the grease filling member 21 and the cavity wall of the grease filling cavity 111.
It should be noted that, the oiling device provided in this embodiment is not disposable, and in the initial stage, both the oiling cavity 111 and the oil return cavity 112 are filled with grease of the corresponding brand with the smoke exhaust box fan; when the oil filling piece 21 moves downwards, grease in the oil filling cavity 111 below the oil filling piece 21 is filled into the bearing box 100, meanwhile, the grease in the oil return cavity 112 flows into the oil filling cavity 111 under the action of vacuum above the inside of the oil filling cavity 111, so that the grease in the bearing box 100 is sucked into the oil return cavity 112, and at the moment, old grease in the bearing box 100 can be mixed with new grease in the oil return cavity 112 and the oil filling cavity 111; when the grease filling member 21 moves upward, grease above the grease filling member 21 can flow to the lower part of the grease filling member 21, and when the grease filling member 21 moves downward again, new and old mixed grease is injected into the bearing housing 100. In the process that the lubricating grease enters the oil return cavity 112 from the bearing box 100 and flows into the oil injection cavity 111 from the oil return cavity 112, the heat dissipation process of the lubricating grease can be realized, and when the lubricating grease is pressed into the bearing box 100 from the oil injection cavity 111 again, the temperature of the lubricating grease is reduced, so that the cooling effect on the bearings in the bearing box 100 is achieved.
In this embodiment, the sum of the volume of the oil filling cavity 111 and the volume of the oil return cavity 112 is equal to the volume of the bearing housing 100, so as to ensure that the grease is always filled in the oil filling cavity 111 and the oil return cavity 112, thereby ensuring the continuity of the oil mixing process.
Optionally, the oil storage housing 1 is made of transparent material. The user can judge whether this lubricating grease can also play the lubrication effect through observing the colour of the interior lubricating grease of oil storage shell 1 to remind the user in time to change this oiling device. In this embodiment, the oil storage case 1 is made of acrylic or plastic.
Further, the oil storage shell 1 comprises an inner shell 11 and a partition plate 13, the bottom of the partition plate 13 is connected with the inner bottom wall of the inner shell 11, and a gap exists between the top of the partition plate 13 and the inner top wall of the inner shell 11, so that the inner part of the inner shell 11 is separated to form an oiling cavity 111 and an oil return cavity 112 which are communicated, the processing is convenient, and the cost is low.
Further, the oil storage housing 1 further includes an outer housing 12, the outer housing 12 is disposed around the inner housing 11, and a cooling water flow passage 121 for circulating cooling water is formed between the inner housing 11 and the outer housing 12. In this embodiment, the inlet of the cooling water flow passage 121 is communicated with the outlet of the cooling water supply assembly, and the outlet of the cooling water flow passage 121 is communicated with the inlet of the cooling water supply assembly, so that circulation of cooling water in the cooling water flow passage 121 is realized, and effective cooling of the lubricating grease in the oil injection cavity 111 and the oil return cavity 112 is realized; the grease with lower temperature is pressed into the bearing box 100, so that the bearing can be effectively cooled, the stable operation of the fan can be ensured, and the service life of the fan can be prolonged.
The automatic oiling process of the oiling device is briefly described below with reference to fig. 1-3:
(1) When in initial use, the oiling cavity 111 and the oil return cavity 112 are filled with lubricating grease with the corresponding brand of the smoke exhaust box type fan; when it is necessary to inject grease into the bearing housing 100, the grease injection driver 22 drives the grease injector 21 to reciprocate up and down at a preset frequency through the connecting rod 23. When the oil filler 21 moves downward to press the grease in the oil filler chamber 111 below the oil filler 21 into the bearing housing 100, at this time, a vacuum is formed in the space in the oil filler chamber 111 above the oil filler 21, so that the grease in the oil return chamber 112 communicating with the oil filler chamber 111 flows into the oil filler chamber 111, and the grease in the bearing housing 100 is sucked into the oil return chamber 112; when the oil filling member 21 moves upward, the edge of the oil filling member bends and forms a gap with the cavity wall of the oil filling cavity 111, and the lubricating grease above the oil filling member 21 flows to the lower part of the oil filling member 21 from the gap between the oil filling member 21 and the cavity wall of the oil filling cavity 111, so that the automatic replacement process of the lubricating grease in the bearing box 100 is realized.
(2) In the whole oiling process, the cooling water runner 121 and the cooling water supply assembly continuously perform cooling water circulation so as to perform heat exchange with lubricating grease in the oiling cavity 111 and the oil return cavity 112 in real time, and cool down the lubricating grease, so that the lubricating grease injected into the bearing box 100 is kept at a lower temperature, and the cooling effect is achieved on the fan bearing running at a high speed.
Example two
The oiling device provided in this embodiment is substantially the same as that in the first embodiment, except that the oiling member 21 is different in structure.
Specifically, the oil injection member 21 includes an oil injection piston connected to the output end of the oil injection driving member 22, and an oil passing hole provided in the oil injection piston, and a check valve provided in the oil passing hole.
When the oil filler piece 21 is located in the oil filler chamber 111, the check valve allows only grease located above the oil filler piece 21 to flow below the oil filler piece 21. At this time, the first direction is a vertically downward direction, and the second direction is a vertically upward direction.
When the oil filler piece 21 is located in the oil return chamber 112, the check valve allows only grease located below the oil filler piece 21 to flow above the oil filler piece 21. At this time, the first direction is a vertically upward direction, and the second direction is a vertically downward direction.
The oiling device provided by the embodiment can be used for filling lubricating grease into the bearing box 100 without stopping the blower housing for disassembly; the lubricating grease can be automatically filled in the running process of the fan, so that the normal running efficiency of the fan is improved, the service life of a fan bearing is prolonged, the labor cost and the maintenance cost are reduced, the oil management is controllable, and the safety is higher; while the lubricating grease in the oil injection cavity 111 is injected into the bearing box 100, the lubricating grease in the bearing box 100 is sucked into the oil return cavity 112 in an equal amount, so that on one hand, the condition that the lubricating grease overflows and pollutes the environment due to excessive oil injection amount in the bearing box 100 can be avoided, and on the other hand, old oil can be replaced while new oil is injected, the cleanliness of the oil product is improved, and the heat dissipation effect and the lubricating effect of the bearing are improved; in the whole oiling process, lubricating grease in the oiling cavity 111 can be cooled simultaneously, so that the heat dissipation effect and the lubrication effect of the bearing are further improved, and the service life of the fan bearing is prolonged.
Example III
As shown in fig. 4 to 5, the present embodiment provides an automatic bearing oiling method for filling grease into a bearing housing 100 using an oiling device as in the first or second embodiment, which is suitable for a fume exhaust box fan (hereinafter simply referred to as a fan). The automatic oiling method for the bearing comprises the following steps:
the controller receives a fan starting signal and controls the oiling device to act, and the oiling device alternately performs an oiling process and an oil mixing process; wherein:
and (3) oiling: the controller controls the oil injection driving member 22 to drive the oil injection member 21 to move in the first direction for a first preset time t1, so as to inject the lubricating grease in the oil injection cavity 111 into the bearing housing 100 and enable the lubricating grease in the bearing housing 100 to flow back into the oil return cavity 112;
and (3) an oil mixing process: the controller controls the grease injection driving member 22 to drive the grease injection member 21 to move in the second direction for a second preset time t2 so that grease on one side of the grease injection member 21 flows to the other side of the grease injection member 21.
The first direction is parallel to the second direction, and the directions are opposite. Specifically, when grease is filled into the bearing housing 100 using the grease filling apparatus provided in the first embodiment, the first direction is a vertically downward direction, and the second direction is a vertically upward direction; when the grease filling device provided in the second embodiment is used to fill the bearing housing 100 with grease, the first direction is a vertically upward direction and the second direction is a vertically downward direction.
According to the bearing automatic oiling method provided by the embodiment, lubricating grease can be added into the bearing box 100 without stopping the blower housing for disassembly; the lubricating grease can be automatically filled in the running process of the fan, so that the normal running efficiency of the fan is improved, the service life of a fan bearing is prolonged, the labor cost and the maintenance cost are reduced, the oil management is controllable, and the safety is higher; while the lubricating grease in the oil injection cavity 111 is injected into the bearing box 100, the lubricating grease in the bearing box 100 is sucked into the oil return cavity 112 in an equal amount, so that on one hand, the condition that the lubricating grease overflows and pollutes the environment due to excessive oil injection amount in the bearing box 100 can be avoided, and on the other hand, old oil can be replaced while new oil is injected, the cleanliness of the oil product is improved, and the heat dissipation effect and the lubricating effect of the bearing are improved; in addition, through setting up the oil mixing process, the lubricating grease in oiling chamber 111 and the return oil chamber 112 can cyclic utilization, reduce the replacement cost of lubricating grease, improve user's use experience.
Further, before the controller controls the oiling device to act, the method further comprises the following steps: the controller acquires the oil change period of the fan in the database, and when the fan is started and is positioned at an oil change node, the controller controls the oil injection device to act. With this arrangement, the frequency of replacement between the grease in the oiling device and the grease in the bearing housing 100 can be reduced, and the service life of the oiling device can be prolonged.
Specifically, the establishment process of the oil change period of the fan in the database specifically comprises the following steps:
step S01: the controller collects working data of the fan and uploads the working data to the database, wherein the working data of the fan comprises the working data of the fan, the replacement frequency of lubricating grease and the oiling amount of the lubricating grease;
step S02: and the database calculates the oil change period of the fan according to the working data of the fan.
In this embodiment, the oiling device includes a database, the database is in communication connection with the controller, the database provides data for control of the controller, and the controller can periodically send a control instruction to the oiling device according to the data provided by the database. On the one hand, the controller can upload the working data of the fan to the database, on the other hand, the database collects and stores a large amount of previous working data, and can intelligently calculate an oil change period suitable for the operation of the fan according to large sample data, and the controller periodically sends a control instruction for filling lubricating grease into the bearing box 100 to the oil filling device according to the oil change period, so that the control of the controller is more in accordance with the actual operation rule.
Further, the establishing process of the oil change period of the fan in the database further comprises the following steps:
step S03: observing the color and the property of the lubricating grease from the outside of the oiling cavity 111 or the oil return cavity 112, and manually correcting the oil change period of a fan in a database;
step S04: steps S02 and S03 are repeated.
By adopting the arrangement, the database is automatically calculated and manually corrected to obtain more accurate oil change period of the fan, so that the heat dissipation effect and the lubrication effect of the bearing are ensured, and meanwhile, the cleanliness of oil is increased.
Further, a temperature sensor is further arranged in the bearing box 100, and the temperature sensor is used for detecting the current temperature T1 of the bearing box 100; after the fan is started, when the current temperature T1 is larger than or equal to a first preset temperature T0, the controller controls the cooling water flow passage 121 to be communicated with the cooling water supply assembly so as to cool the lubricating grease in the oiling cavity 111 and the oil return cavity 112. It should be noted that, in this embodiment, the specific value of the first preset temperature T0 is not limited, and when the oiling device is processed, a designer may preset according to the model of the fan that needs to be matched with the oiling device, or may be adjusted by the user according to the actual use situation after the oiling device is installed.
Further, after the fan is started, when the current temperature T1 is more than or equal to the second preset temperature T0', and the controller receives an abnormal operation signal of the fan, the controller controls the oiling device to adjust the alternating frequency of the oiling process and the oil mixing process so as to shorten the first preset time T1 and the second preset time T2 at the same time; wherein the second preset temperature T0' > the first preset temperature T0. It should be noted that, when the current temperature T1 of the bearing housing 100 exceeds the second preset temperature T0', the normal operation of the bearing may be seriously affected, and the fan may be stopped when serious, at this time, the replacement frequency between the grease in the bearing housing 100 and the grease in the oil storage shell 1 needs to be increased, so as to achieve the effect of rapidly cooling the bearing. The fan abnormal operation signals comprise signals such as abnormal current, fan outage and the like.
Further, when the current temperature T1 is greater than or equal to the second preset temperature T0', and the controller does not receive the fan abnormal operation signal, the controller adjusts the second preset temperature T0' to a third preset temperature T0", wherein the third preset temperature T0" > the second preset temperature T0'. If the current temperature T1 is not less than the second preset temperature T0', but the controller does not receive the abnormal operation signal of the fan, the fan can still normally operate under the current temperature T1, at this time, the second preset temperature T0' preset in the database is lower, and the controller can adjust the second preset temperature T0' so as to more accord with the actual operation rule.
Further, the automatic bearing oiling method further comprises the following steps: after the oiling process and the oil mixing process are circulated for n times, the alarm gives an alarm to prompt the replacement of the oiling device. After the oiling process and the oil mixing process are circulated for n times, the lubricating grease in the oil storage shell 1 does not play a role in lubricating the bearing, and the alarm alarms at the moment so as to remind a user to timely replace a new oiling device and avoid affecting the normal operation of the fan. The number of circulation times n is not limited in this embodiment, and when the oiling device is processed, a designer can preset the model of the fan according to the need of matching the oiling device, and after the oiling device is installed, the oiling device can be adjusted by a user according to actual use conditions.
Further, the automatic oiling method for the bearing further comprises the following steps: the controller receives the fan shut down signal and controls the oil filling device to stop filling grease into the bearing housing 100. According to the automatic bearing oiling method provided by the embodiment, when the fan is started, the controller controls the oiling device to fill lubricating grease into the bearing box 100; when the fan is stopped, the controller controls the oiling device to stop filling lubricating grease into the bearing box 100, on one hand, the automatic oiling process can be realized when the fan works, and the service life of the oiling device is prolonged; on the other hand, when the oiling device works, a user can monitor the oiling device and timely adjust oiling parameters or replace the oiling device.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (10)
1. An automatic bearing oiling method is characterized by providing an oiling device, wherein the oiling device comprises an oil storage shell (1) and an oiling component (2), an oiling cavity (111) and an oil return cavity (112) which are communicated are arranged in the oil storage shell (1), an outlet of the oiling cavity (111) is communicated with an inlet of a bearing box (100), an inlet of the oil return cavity (112) is communicated with an outlet of the bearing box (100), the oiling component (2) comprises an oiling driving piece (22) and an oiling piece (21) arranged in the oiling cavity (111), and the oiling driving piece (22) can drive the oiling piece (21) to move along a first direction so as to press lubricating grease in the oiling cavity (111) into the bearing box (100); the automatic bearing oiling method comprises the following steps:
the controller receives a fan starting signal and controls the oiling device to act, and the oiling device alternately performs an oiling process and an oil mixing process; wherein:
and (3) oiling: the controller controls the oiling driving piece (22) to drive the oiling piece (21) to move along the first direction for a first preset time t1 so as to inject the lubricating grease in the oiling cavity (111) into the bearing box (100) and enable the lubricating grease in the bearing box (100) to flow back into the oil return cavity (112);
and (3) an oil mixing process: the controller controls the oil injection driving member (22) to drive the oil injection member (21) to move along a second direction for a second preset time t2 so that the lubricating grease on one side of the oil injection member (21) flows to the other side of the oil injection member (21);
wherein the first direction is parallel to the second direction and opposite in direction.
2. The method of automatically oiling a bearing according to claim 1, further comprising, before the controller controls the oiling device to operate:
the controller acquires the oil change period of the fan in the database, and when the fan is started and is positioned at an oil change node, the controller controls the oil injection device to act.
3. The method for automatically filling oil into a bearing according to claim 2, wherein the establishing process of the oil change period of the fan in the database specifically comprises the following steps:
step S01: the controller collects working data of the fan and uploads the working data of the fan to the database, wherein the working data of the fan comprises operation data of the fan, replacement frequency of lubricating grease and oiling amount of the lubricating grease;
step S02: and the database calculates the oil change period of the fan according to the working data of the fan.
4. The method of automatically oiling a bearing according to claim 3, wherein the process of establishing the oil change cycle of the fan in the database further comprises:
step S03: observing the color and the property of the lubricating grease from the outside of the oiling cavity (111) or the oil return cavity (112), and manually correcting the oil change period of the fan in the database;
step S04: the step S02 and the step S03 are repeated.
5. The automatic bearing refueling method according to claim 2, wherein a temperature sensor is further provided in the bearing housing (100), the temperature sensor being for detecting a current temperature T1 of the bearing housing (100);
after the fan is started, when the current temperature T1 is more than or equal to a first preset temperature T0, the controller controls the cooling water flow passage (121) to be communicated with the cooling water supply assembly so as to cool lubricating grease in the oiling cavity (111) and the oil return cavity (112).
6. The method for automatically filling oil into a bearing according to claim 5, wherein after the fan is started, when the current temperature T1 is equal to or greater than a second preset temperature T0' and the controller receives the fan abnormal operation signal, the controller controls the oil filling device to adjust the alternating frequency of the oil filling process and the oil mixing process so as to simultaneously shorten the first preset time T1 and the second preset time T2;
wherein the second preset temperature T0' > the first preset temperature T0.
7. The method according to claim 6, wherein when the current temperature T1 is equal to or greater than a second preset temperature T0' and the controller does not receive the fan abnormal operation signal, the controller adjusts the second preset temperature T0' to a third preset temperature T0", the third preset temperature T0" being greater than the second preset temperature T0'.
8. The automatic bearing refueling method according to any one of claims 1 to 7, wherein the automatic bearing refueling method further comprises:
after the oiling process and the oil mixing process are circulated for n times, an alarm gives an alarm to prompt the replacement of the oiling device.
9. The automatic bearing refueling method according to any one of claims 1 to 7, wherein the automatic bearing refueling method further comprises:
the controller receives the fan stop signal and controls the oiling device to stop filling the bearing box (100) with the lubricating grease.
10. An oil filling device, characterized in that grease is filled into a bearing housing (100) by using the bearing automatic oil filling method according to any one of claims 1 to 9.
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| CN116989250B (en) * | 2023-09-27 | 2023-12-29 | 万向钱潮股份公司 | Bearing grease injection method and device |
| CN117030257B (en) * | 2023-10-10 | 2023-12-05 | 天津工业大学 | Aerospace bearing test machine |
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