CN219378162U - Bearing inner grease cleaning equipment - Google Patents

Abstract

The utility model provides equipment for cleaning grease in a bearing, relates to the technical field of bearing maintenance, and is designed for solving the problem that the cleanliness of an inner cavity of the bearing cannot be guaranteed after the bearing is used for a period of time. The bearing inner grease cleaning equipment comprises a circulating cleaning device, a first pipeline, a second pipeline, a filtering device, a blowing device and an oiling device, wherein the circulating cleaning device, the first pipeline, an oil inlet, an inner cavity of a bearing, an oil outlet, the second pipeline and the filtering device are sequentially connected to form a closed loop, the circulating cleaning device is connected with a cleaning agent source, and the second pipeline is connected with a waste liquid collecting device; the air outlet of the blowing device and the oil filling port of the oil filling device are both communicated with the closed loop. The utility model can realize cleaning and replacing of grease in the bearing, prolongs the service life of the bearing and ensures the cleanliness of the cavity in the bearing.

Description

Bearing inner grease cleaning equipment

Technical Field

The utility model relates to the technical field of bearing maintenance, in particular to equipment for cleaning grease in a bearing.

Background

The design life of a large bearing is generally 15-20 years, but in actual working conditions, the service time of the large bearing is far from the design life. Through analysis of the operation conditions, the main reason is that pollutants in the bearing damage the contact surface of the roller and the roller path, and the contact stress is increased, so that the fatigue speed is increased, and the service life of the large-sized bearing is reduced. Generally, pollution modes of a large-sized bearing are divided into physical pollution and chemical pollution, wherein the physical pollution is mostly caused by solid particles which mainly originate from foreign matters entering the bearing through a sealing ring or an oil hole or particles which are peeled off after bearing rollers or raceways are worn; the chemical pollution is mainly caused by that water enters the bearing through various ways (such as rainwater and steam) or grease is decomposed to cause internal pollution.

Therefore, design a bearing inside grease cleaning equipment to realize the periodic maintenance to the bearing, guarantee bearing structure and inside cavity cleanliness requirement, become the technical problem that needs to solve in the present stage.

Disclosure of Invention

The utility model aims to provide a device for cleaning grease in a bearing, which aims to solve the technical problem that the cleanliness of an inner cavity of the bearing cannot be ensured after the bearing is used for a period of time.

The bearing inner grease cleaning equipment is used for cleaning grease in a bearing, the bearing is provided with an oil inlet and an oil outlet, the bearing inner grease cleaning equipment comprises a circulating cleaning device, a first pipeline, a second pipeline, a filtering device, a blowing device and an oiling device, wherein the circulating cleaning device, the first pipeline, the oil inlet, an inner cavity of the bearing, the oil outlet, the second pipeline and the filtering device are sequentially connected to form a closed loop, the circulating cleaning device is connected with a cleaning agent source, and the second pipeline is connected with a waste liquid collecting device; the air outlet of the air blowing device and the oil injection port of the oil injection device are communicated with the closed loop.

Further, the grease cleaning equipment inside the bearing further comprises a lubricating oil detection device, a detection part of the lubricating oil detection device stretches into the inner cavity of the bearing, and the lubricating oil detection device is electrically connected with the cloud platform; the circulating cleaning device, the blowing device and the oiling device are electrically connected with the cloud platform.

Further, the closed loop is provided with a ferrograph, and the ferrograph is electrically connected with the cloud platform.

Further, the number of the oil inlets is multiple; the bearing inner grease cleaning equipment further comprises a first branching unit, the first branching unit comprises a first inlet and a plurality of first outlets, the circulating cleaning device is connected with the first inlet through a first pipeline, the number of the first outlets is the same as that of the oil inlets, and the first outlets are respectively communicated with the oil inlets in a one-to-one correspondence manner.

Further, a first control valve is arranged between each first outlet and the corresponding oil inlet, and the first control valve is used for controlling the opening and closing of the oil inlet.

Further, the number of the oil outlets is a plurality; the bearing inner grease cleaning equipment further comprises a second circuit breaker, the second circuit breaker comprises a second outlet and a plurality of second inlets, the second outlet is connected with the filtering device through a second pipeline, the number of the second inlets is the same as that of the oil outlets, and the plurality of oil outlets are respectively communicated with the plurality of second inlets in a one-to-one correspondence manner.

Further, a second control valve is arranged between each oil outlet and the corresponding second inlet, and the second control valve is used for controlling the opening and closing of the oil outlet.

Further, the ferrograph is arranged on a pipeline between the oil outlet and the second inlet.

Further, the first control valve is a ball valve.

Further, the second control valve is a ball valve.

Further, the bearing inner grease cleaning device further comprises a shell, and the circulating cleaning device, the filtering device, the blowing device and the oiling device are integrated in the inner cavity of the shell.

The bearing inner grease cleaning equipment has the beneficial effects that:

through setting up the inside grease cleaning equipment of bearing that mainly comprises circulation belt cleaning device, first pipeline, the second pipeline, filter equipment, blast apparatus and oiling device, when the bearing passes through the use of a period, can be with first pipeline and oil inlet intercommunication, with oil-out and second pipeline intercommunication, make circulation belt cleaning device start, at this moment, the cleaner source who is connected with circulation belt cleaning device sends into first pipeline with the cleaner, and get into the inner chamber of bearing through the oil inlet, the grease of bearing inner chamber washs, the cleaner that has participated in the wash will be discharged by the oil-out, and flow to filter equipment department through the second pipeline and filter, so circulation is reciprocal, realize the circulation filtration washing of bearing cavity, dissolve the inside grease of bearing cavity, clear out. Wherein, waste liquid and particulate matters generated in the cyclic cleaning process enter a waste liquid collecting device and are collected by the waste liquid collecting device and then are intensively treated. After the cleaning operation of the bearing chamber is finished, the blowing device is started to blow air into the bearing chamber, so that the volatilization of residual cleaning agents in the pipeline and the bearing chamber is accelerated, the residual cleaning agents are discharged, and the bearing chamber is kept in a dry state; and then starting the oiling device, and injecting quantitative new grease into the bearing cavity through the oil inlet to restore the bearing to operate.

Therefore, through the arrangement of the bearing inner grease cleaning equipment, the cleaning and replacement of the bearing inner grease can be realized, the service life of the bearing is prolonged, and the safe and reliable operation of the bearing is ensured, so that the technical problem in the prior art is effectively solved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic working diagram of a device for cleaning grease inside a bearing according to an embodiment of the present utility model.

Reference numerals illustrate:

010-bearings; 011-an oil inlet; 012-oil outlet; 020-a grease cleaning device inside the bearing;

100-a first pipeline; 200-a second pipeline; 300-a source of cleaning agent; 400-a waste liquid collection device; 500-a housing; 600-lubricating oil detection device; 700-ferrograph; 800-a first splitter; 810-a first control valve; 900-second splitter; 910-a second control valve.

Detailed Description

At present, large-scale bearings are mostly applied to power systems such as wind power, water power, thermal power and the like, and are used as main transmission components in corresponding systems. In general, aiming at the operation and maintenance of the service bearing, a mode of injecting new grease into the bearing to discharge the waste grease is adopted to improve the cleanliness of the inside of a large bearing cavity, but the mode can not empty the grease in the bearing, so that the new grease can be fused with the waste grease to cause a small amount of scrap iron in the bearing, and the scrap iron can continuously cause adverse effects on the bearing under normal operation, so that the rollers and the roller paths in the bearing are continuously worn; the method is characterized in that after the waste oil is dissolved, damaged rollers or balls are replaced and assembled again, the condition of inconvenient disassembly and transportation caused by the influence of factors such as operating environment and regions is caused, and the precision of the bearing cannot be ensured by secondary assembly.

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Fig. 1 is a schematic operation diagram of a bearing inner grease cleaning apparatus 020 according to the present embodiment. As shown in fig. 1, the present embodiment provides a bearing inner grease cleaning apparatus 020 for cleaning grease inside a bearing 010, wherein the bearing 010 is provided with an oil inlet 011 and an oil outlet 012; the bearing internal grease cleaning device 020 comprises a circulating cleaning device (not shown in the figure), a first pipeline 100, a second pipeline 200, a filtering device (not shown in the figure), a blowing device (not shown in the figure) and an oiling device (not shown in the figure), specifically, the circulating cleaning device, the first pipeline 100, an oil inlet 011, an inner cavity of a bearing 010, an oil outlet 012, the second pipeline 200 and the filtering device are sequentially connected to form a closed loop, the circulating cleaning device is connected with a cleaning agent source 300, and the second pipeline 200 is connected with a waste liquid collecting device 400; the air outlet of the blowing device and the oil filling port of the oil filling device are communicated with the closed loop.

When the bearing 010 is used for a period of time, the bearing 010 needs to be cleaned and maintained, the first pipeline 100 is communicated with the oil inlet 011, the oil outlet 012 is communicated with the second pipeline 200, the circulating cleaning device is started, at the moment, the cleaning agent source 300 connected with the circulating cleaning device sends the cleaning agent into the first pipeline 100 and enters the inner cavity of the bearing 010 through the oil inlet 011, the grease in the inner cavity of the bearing 010 is cleaned, the cleaning agent which is participated in cleaning is discharged from the oil outlet 012 and flows to the filtering device through the second pipeline 200 for filtering, and the circulating filtering cleaning of the bearing 010 cavity is realized, and the grease in the bearing 010 cavity is dissolved and cleaned. Wherein, the waste liquid and the particulate matters generated in the cyclic cleaning process enter the waste liquid collecting device 400, and are collected by the waste liquid collecting device 400 and then are intensively treated. After the cleaning operation of the bearing 010 chamber is finished, the blowing device is started to blow air to the inside of the bearing 010 chamber, so that the volatilization of residual cleaning agents in the pipeline and the inside of the bearing 010 chamber is accelerated, the residual cleaning agents are discharged, and the bearing 010 chamber is kept in a dry state; then, the oiling device is started, and quantitative new grease is injected into the bearing 010 cavity through the oil inlet 011, so that the bearing 010 is restored to operate.

Therefore, through the arrangement of the bearing inner grease cleaning equipment 020, the cleaning and replacement of the bearing 010 inner grease can be realized, the service life of the bearing 010 is prolonged, and the safe and reliable operation of the bearing 010 is ensured, so that the technical problem in the prior art is effectively solved.

In this embodiment, the bearing 010 is a large-sized bearing, such as: a bearing used by a wind power system, a bearing used by a hydroelectric system or a bearing used by a thermal power system.

It should be noted that, in this embodiment, the circulation cleaning device, the filtering device, the blowing device and the oil injection device are outsourcing components, and the specific structure and the working principle thereof are those that can be obtained by those skilled in the art according to the prior art, and these are not improvement emphasis of the present application, so they are not described in detail.

It should be noted that, the connection between the blowing device and the closed loop may be realized by an openable three-way valve, so long as the connection between the blowing device and the closed loop can be realized when blowing is required, and the disconnection between the blowing device and the closed loop can be realized when blowing is not required; similarly, the connection between the oil injection device and the closed loop may be realized by an openable and closable three-way valve, so long as the connection between the oil injection device and the closed loop is realized when oil injection is required, and the disconnection between the oil injection device and the closed loop is realized when oil injection is not required.

With continued reference to fig. 1, in this embodiment, the bearing inner grease cleaning apparatus 020 may further include a housing 500, wherein the circulation cleaning device, the filtering device, the blowing device and the oil filling device are integrated in an inner cavity of the housing 500.

Through the arrangement, the integration of the grease cleaning equipment 020 in the bearing of the embodiment is ensured, so that the structure is compact.

Since the circulation cleaning device, the filtering device, the air blowing device, and the oil filling device are all integrated in the inner cavity of the housing 500, the circulation cleaning device, the filtering device, the air blowing device, and the oil filling device are not shown in the drawing.

With continued reference to fig. 1, in this embodiment, the apparatus 020 for cleaning grease inside a bearing may further include a lubricant detecting device 600, where a detecting portion of the lubricant detecting device 600 extends into an inner cavity of the bearing 010, and the lubricant detecting device 600 is electrically connected to the cloud platform; the circulating cleaning device, the blowing device and the oiling device are all electrically connected with the cloud platform.

When the grease cleaning device 020 in the bearing works, the power supply of the lubricant detection device 600 can be started, and the grease in the bearing 010 can be detected by the lubricant detection device 600. In the process, the test period can be set to be 1 month, 3 months, 6 months, 9 months and 12 months, 50mg of grease is regularly pumped out, after the grease is dissolved by matching with a cleaning agent, the grease pollutant index (iron element, particle diameter, content and the like) is detected by using the lubricating oil detection device 600, and the detection result is uploaded to a cloud platform. After the cloud platform judges that the detection result reaches the cleaning index, a cleaning instruction is sent to the circulating cleaning device, so that the circulating cleaning device is started, a cleaning agent is injected into the bearing 010 chamber through the oil inlet 011, after the grease inside the bearing 010 chamber is cleaned, the grease is discharged through the oil outlet 012 and filtered through the filtering device, wherein waste liquid and particles obtained through filtering are collected through the waste liquid collecting device 400, and the circulating cleaning of the bearing 010 chamber is realized. After the circulation filtering and cleaning are finished, the cloud platform sends a blowing instruction to the blowing device, and residual cleaning agents in the pipeline and the bearing 010 chamber are blown out, so that the pipeline and the bearing 010 chamber are kept in a dry state. After the blowing is finished, the cloud platform sends an oiling instruction to the oiling device, quantitative grease is injected according to the operation requirement of the bearing 010, and in the process, the oil outlet 012 is in a closed state.

Through the above-mentioned setting, realized the self-cleaning of bearing 010 cavity, blow and oiling to the degree of automation of the inside grease cleaning equipment 020 of this embodiment bearing has been improved.

It should be noted that, the structure and the working principle of the lubricant detecting device 600, how the cloud platform receives the signals detected by the lubricant detecting device 600, and how the cloud platform controls the start of the circulation cleaning device, the blowing device and the oiling device are all available to those skilled in the art according to the prior art, and these are not improvement emphasis of the present application, so detailed descriptions thereof are omitted.

With continued reference to fig. 1, in the present embodiment, a closed loop is provided with a ferrograph 700, wherein the ferrograph 700 is electrically connected with the cloud platform.

By arranging the ferrograph 700, the content of iron elements and particulate matters in the closed loop can be detected in real time, and the detection result is transmitted to the cloud platform. After the cloud platform judges that the detection result reaches the set cleanliness index, a shutdown instruction can be sent to the circulating cleaning device, and the circulating cleaning operation is stopped.

The device can automatically suspend the cleaning operation after the cleanliness of the grease reaches the standard, and has accurate result and good timeliness.

It should be noted that, how the iron spectrometer 700 detects the content of iron element and particulate matter in the closed loop, how the cloud platform receives the detection data of the iron spectrometer 700, and how the cloud platform controls the shutdown of the circulating cleaning device are all available to those skilled in the art according to the prior art, and these are not improvement emphasis of the present application, so detailed descriptions thereof are omitted.

With continued reference to fig. 1, in this embodiment, the number of oil inlets 011 is plural; the bearing inner grease cleaning device 020 further comprises a first branching unit 800, the first branching unit 800 comprises a first inlet and a plurality of first outlets (only one is shown in the figure), the circulating cleaning device is connected with the first inlet through a first pipeline 100, the number of the first outlets is the same as that of the oil inlets 011, and the plurality of first outlets are respectively communicated with the plurality of oil inlets 011 in a one-to-one correspondence manner.

Through above-mentioned setting, on the one hand, can pour into detergent or grease simultaneously in the multiple positions of bearing 010 cavity, improve injection efficiency, on the other hand, utilize first branching unit 800 to produce a plurality of oil inlet branch lines to be connected with each oil inlet 011, need not to set up a plurality of interfaces at circulation belt cleaning device, reduced because of the cost that carries out institutional advancement to circulation belt cleaning device.

With continued reference to fig. 1, in this embodiment, a first control valve 810 is disposed between each first outlet and the corresponding oil inlet 011, where the first control valve 810 is used to control opening and closing of the oil inlet 011.

By arranging the first control valve 810, the corresponding oil inlet 011 can be opened or closed, so that the operations of cleaning, oiling and the like of the bearing 010 chamber can be realized.

With continued reference to fig. 1, in this embodiment, the number of oil outlets 012 is also plural; the bearing inner grease cleaning device 020 may further comprise a second splitter 900, wherein the second splitter 900 comprises a second outlet and a plurality of second inlets, the second outlet is connected with the filtering device through a second pipeline 200, the number of the second inlets is the same as that of the oil outlets 012, and the plurality of oil outlets 012 are respectively communicated with the plurality of second inlets in a one-to-one correspondence manner.

Through above-mentioned setting, on the one hand, can be in the simultaneous discharge of a plurality of positions of bearing 010 cavity, improve efficiency, on the other hand, utilize second branching unit 900 to produce a plurality of play oil branch pipelines to be connected with each oil-out 012, need not to set up a plurality of interfaces at filter equipment, reduced because of the cost that carries out institutional advancement to filter equipment.

With continued reference to fig. 1, in this embodiment, a second control valve 910 is disposed between each oil outlet 012 and the corresponding second inlet, where the second control valve 910 is used to control opening and closing of the oil outlet 012.

By providing the second control valve 910, opening or closing of the corresponding oil outlet 012 can be achieved to enable the discharge of the cleaning agent when the bearing 010 chamber is cleaned, and the blocking of the outlet of the bearing 010 chamber when the oil is injected.

In this embodiment, the drawing is simplified, so that only one first outlet of the first splitter 800 is shown to be connected to one oil inlet 011, and only one oil outlet 012 is shown to be connected to one second inlet of the second splitter 900.

In the present embodiment, the plurality of oil inlets 011 are distributed in the circumferential direction of the bearing 010, and similarly, the plurality of oil outlets 012 are also distributed in the circumferential direction of the bearing 010, and the plurality of oil inlets 011 are alternately arranged with the plurality of oil outlets 012.

Through the arrangement, not only can the clean uniformity of each position of the bearing 010 chamber be ensured, but also the newly injected grease can be ensured to be basically filled into each position of the bearing 010 chamber simultaneously.

In this embodiment, the first control valve 810 and the second control valve 910 may each be ball valves. With this arrangement, not only the timeliness of opening of the first control valve 810 and the second control valve 910 can be ensured, but also good sealability can be ensured when the first control valve 810 and the second control valve 910 are in the closed state.

Although the present utility model is disclosed above, the present utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model should be assessed accordingly to that of the appended claims.

Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In the above embodiments, descriptions of orientations such as "inner", "outer", and the like are shown based on the drawings.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (11)

1. The bearing inner grease cleaning device is characterized by being used for cleaning grease in a bearing (010), wherein the bearing (010) is provided with an oil inlet (011) and an oil outlet (012), the bearing inner grease cleaning device comprises a circulating cleaning device, a first pipeline (100), a second pipeline (200), a filtering device, a blowing device and an oiling device, the circulating cleaning device, the first pipeline (100), the oil inlet (011), an inner cavity of the bearing (010), the oil outlet (012), the second pipeline (200) and the filtering device are sequentially connected to form a closed loop, the circulating cleaning device is connected with a cleaning agent source (300), and the second pipeline (200) is connected with a waste liquid collecting device (400); the air outlet of the air blowing device and the oil injection port of the oil injection device are communicated with the closed loop.

2. The bearing inner grease cleaning apparatus according to claim 1, further comprising a grease detection device (600), a detection portion of the grease detection device (600) extending into an inner cavity of the bearing (010), and the grease detection device (600) being electrically connected with a cloud platform; the circulating cleaning device, the blowing device and the oiling device are electrically connected with the cloud platform.

3. Bearing inner grease cleaning apparatus according to claim 2 characterised in that the closed loop is provided with a ferrograph (700), the ferrograph (700) being electrically connected with the cloud platform.

4. A bearing inner grease cleaning apparatus according to claim 3, characterized in that the number of the oil inlets (011) is plural; the bearing inner grease cleaning equipment further comprises a first branching unit (800), the first branching unit (800) comprises a first inlet and a plurality of first outlets, the circulating cleaning device is connected with the first inlet through a first pipeline (100), the number of the first outlets is the same as the number of the oil inlets (011), and the first outlets are respectively communicated with the oil inlets (011) in a one-to-one correspondence manner.

5. The bearing inner grease cleaning apparatus according to claim 4, wherein a first control valve (810) is provided between each of the first outlets and the corresponding oil inlet (011), the first control valve (810) being for controlling opening and closing of the oil inlet (011).

6. A bearing inner grease cleaning apparatus according to claim 3, characterized in that the number of the oil outlets (012) is plural; the bearing inside grease cleaning equipment further comprises a second branching device (900), the second branching device (900) comprises a second outlet and a plurality of second inlets, the second outlet is connected with the filtering device through a second pipeline (200), the number of the second inlets is the same as that of the oil outlets (012), and the plurality of the oil outlets (012) are respectively communicated with the plurality of second inlets in a one-to-one correspondence manner.

7. Bearing inner grease cleaning apparatus according to claim 6, characterized in that a second control valve (910) is provided between each of the oil outlets (012) and the corresponding second inlet, the second control valve (910) being for controlling opening and closing of the oil outlet (012).

8. The bearing inner grease cleaning apparatus according to claim 6, characterized in that the ferrograph (700) is provided on a pipe between the oil outlet (012) and the second inlet.

9. The bearing inner grease cleaning apparatus according to claim 5, wherein the first control valve (810) is a ball valve.

10. The bearing inner grease cleaning apparatus according to claim 7, wherein the second control valve (910) is a ball valve.

11. The bearing inner grease cleaning apparatus according to any one of claims 1-10, further comprising a housing (500), the circulation cleaning means, the filtering means, the blowing means and the oiling means being integrated in an inner cavity of the housing (500).