A bearing cleaning machine for electrical equipment

Abstract

The application provides a bearing cleaning machine for electrical equipment, which comprises a cleaning machine body, a cleaning agent storage tank, a waste liquid recovery tank, a compressed gas source, a lubricating grease storage tank, a first heating device and a second heating device are arranged in the cleaning machine body; the inlet of the first heating device is connected with the outlet of the cleaning agent storage tank, the outlet of the first heating device is used for being connected with an oil injection port of a bearing chamber, so as to inject the heated cleaning agent into the bearing chamber; the outlet of the lubricating grease storage tank is used for being connected with the oil injection port of the bearing chamber, so as to inject the lubricating paste into the bearing chamber; the inlet of the second heating device is connected with the outlet of the compressed gas source, the outlet of the second heating device is used for being connected with the oil injection port of the bearing chamber, so as to inject the heated dry gas into the bearing chamber; and the inlet of the waste liquid recovery tank is connected with an oil discharge port of the bearing chamber. The bearing cleaning machine for electrical equipment can realize the integrated operation of online cleaning, drying and grease injection for the electrical equipment bearing, improves the cleaning efficiency and the cleaning quality, and reduces the maintenance cost.

Description

Technical Field

[0001] This invention belongs to the field of electrical equipment maintenance technology, and specifically relates to a bearing cleaning machine for electrical equipment. Background Technology

[0002] During long-term operation, the grease inside the bearings of electrical equipment (such as motors and generators) will gradually deteriorate and harden due to high-temperature oxidation and the intrusion of impurities. At the same time, metal debris generated by wear will also get mixed in, leading to increased bearing resistance and temperature rise. In severe cases, it can cause the bearing to burn out or even the equipment to be scrapped.

[0003] Traditional bearing maintenance methods require shutting down and disassembling the electrical equipment, cleaning and re-greasing the bearings after disassembly. This process is not only complex and time-consuming, but also prone to causing secondary damage to the bearings and equipment during disassembly and installation.

[0004] To address the aforementioned problems, it is necessary to propose a bearing cleaning machine for electrical equipment that is rationally designed and effectively solves these issues. Summary of the Invention

[0005] The present invention aims to solve at least one of the technical problems existing in the prior art, and to provide a bearing cleaning machine for electrical equipment.

[0006] This invention provides a bearing cleaning machine for electrical equipment, including a cleaning machine body, wherein the cleaning machine body is provided with a cleaning agent storage tank, a waste liquid recovery tank, a compressed air source, a lubricating grease storage tank, a first heating device, and a second heating device; The inlet of the first heating device is connected to the outlet of the cleaning agent storage tank, and the outlet of the first heating device is used to connect to the bearing chamber oil inlet to inject heated cleaning agent into the bearing chamber. The outlet of the grease reservoir is connected to the oil inlet of the bearing chamber to inject lubricating paste into the bearing chamber; The inlet of the second heating device is connected to the outlet of the compressed gas source, and the outlet of the second heating device is used to connect to the oil inlet of the bearing chamber to introduce heated dry gas into the bearing chamber. The inlet of the waste liquid recovery tank is used to connect to the oil drain port of the bearing chamber.

[0007] Optionally, a first delivery pump may also be included; The first delivery pump is connected between the outlet of the cleaning agent storage tank and the inlet of the first heating device, and is used to pump the cleaning agent in the cleaning agent storage tank to the first heating device for heating.

[0008] Optionally, a second delivery pump may also be included; The second delivery pump is connected between the oil drain port of the bearing chamber and the inlet of the waste liquid recovery tank, and is used to pump the waste liquid from the bearing chamber to the waste liquid recovery tank.

[0009] Optionally, a third delivery pump may also be included; The third delivery pump is connected between the outlet of the grease reservoir and the oil inlet of the bearing chamber, and is used to pump the grease in the grease reservoir to the bearing chamber.

[0010] Optionally, a filtration device is provided between the waste liquid recovery tank and the second transfer pump.

[0011] Optionally, the filtration device includes a coarse filter, a magnetic filter, and a fine filter element arranged sequentially along the waste liquid flow direction.

[0012] Optionally, an oil-water separator and an air filter are provided at the outlet of the compressed air source.

[0013] Optionally, the bottom of the cleaning machine main unit is equipped with casters and a locking device for fixing the main unit in the working position.

[0014] Optionally, a controller may also be included; The controller is configured to automatically control the cleaning agent storage tank, the waste liquid recovery tank, the compressed air source and the lubricating grease storage tank to sequentially perform the cleaning agent injection cleaning, waste liquid recovery, hot air drying and quantitative grease injection into the bearing chamber according to a preset time sequence.

[0015] Optionally, both the cleaning agent storage tank and the waste liquid recovery tank are equipped with a liquid level indicator and a low liquid level alarm device.

[0016] The bearing cleaning machine for electrical equipment provided by this invention, by incorporating a cleaning agent storage tank, a waste liquid recovery tank, a compressed air source, a grease storage tank, a first heating device, and a second heating device within the machine body, enables the entire process of cleaning, drying, and grease injection to be completed without disassembling the bearings and electrical equipment, avoiding secondary damage to the bearings and equipment caused by traditional disassembly methods. It integrates the four major functions of cleaning, drying, grease injection, and waste liquid recovery into one device, occupying little space and facilitating on-site deployment and relocation. The first heating device raises the temperature of the cleaning agent, enhancing its ability to soften and dissolve deteriorated grease; the second heating device raises the temperature of the drying gas, accelerating the evaporation of residual cleaning agent and moisture, resulting in a cleaning effect superior to that of room temperature methods. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a bearing cleaning machine for an electrical device according to an embodiment of the present invention; Figure 2 for Figure 1A schematic diagram of the internal structure of the bearing cleaning machine for the electrical equipment shown. Figure 3 for Figure 1 A top view of the bearing cleaning machine for the electrical equipment shown. Figure 4 for Figure 1 The diagram shows the usage process of the bearing cleaning machine for electrical equipment. Detailed Implementation

[0018] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] like Figures 1 to 3 As shown, the present invention provides a bearing cleaning machine for electrical equipment, including a cleaning machine body 1. The cleaning machine body 1 is provided with a cleaning agent storage tank 2, a waste liquid recovery tank 3, a compressed air source 4, a lubricating grease storage tank 5, a first heating device 22, and a second heating device 41. The cleaning machine body 1 also includes multiple insertion interfaces 7 for connecting various pipes.

[0020] The inlet of the first heating device 22 is connected to the outlet of the cleaning agent storage tank 1, and the outlet of the first heating device 22 is connected to the oil filling port of the bearing chamber to inject heated cleaning agent into the bearing chamber. That is, the cleaning agent in the cleaning agent storage tank 1 enters the first heating device 22 for heating and is then transported to the bearing chamber to heat, soften, dissolve, and flush the deteriorated grease inside the bearing.

[0021] The outlet of the grease reservoir 5 is connected to the oil inlet of the bearing chamber to inject grease into the bearing chamber. That is, after cleaning and drying, a set amount of fresh grease is injected into the bearing chamber through the grease reservoir 5.

[0022] The inlet of the second heating device 41 is connected to the outlet of the compressed air source 4, and the outlet of the second heating device 41 is connected to the oil inlet of the bearing chamber to introduce heated dry gas into the bearing chamber. Specifically, the gas in the compressed air source 4 enters the second heating device 41 for heating and is then transported to the bearing chamber to purge and evaporate any residual cleaning agent and moisture.

[0023] The inlet of the waste liquid recovery tank 3 is connected to the oil drain of the bearing chamber. That is, the mixture of waste cleaning agent and waste lubricating grease in the bearing chamber is recovered into the waste liquid recovery tank 3.

[0024] The bearing cleaning machine for electrical equipment provided by this invention, by incorporating a cleaning agent storage tank, a waste liquid recovery tank, a compressed air source, a grease storage tank, a first heating device, and a second heating device within the machine body, enables the entire process of cleaning, drying, and grease injection to be completed without disassembling the bearings and electrical equipment, avoiding secondary damage to the bearings and equipment caused by traditional disassembly methods. It integrates the four major functions of cleaning, drying, grease injection, and waste liquid recovery into one device, occupying little space and facilitating on-site deployment and relocation. The first heating device raises the temperature of the cleaning agent, enhancing its ability to soften and dissolve deteriorated grease; the second heating device raises the temperature of the drying gas, accelerating the evaporation of residual cleaning agent and moisture, resulting in a cleaning effect superior to that of room temperature methods.

[0025] For example, such as Figure 3 As shown, the bearing cleaning machine of the electrical equipment also includes a first delivery pump 21; the first delivery pump 21 is connected between the outlet of the cleaning agent storage tank 2 and the inlet of the first heating device 22, and is used to pump the cleaning agent in the cleaning agent storage tank 2 to the first heating device 22 for heating.

[0026] Specifically, the first delivery pump 21 is started to extract the cleaning agent from the cleaning agent storage tank 2 and pump it to the first heating device 22. After being heated, it is sent into the bearing chamber through pipelines and oil inlet.

[0027] In this embodiment, the cleaning agent is actively delivered by the first delivery pump, without relying on gravity or pressure difference. The injection flow rate of the cleaning agent is controllable and stable, ensuring the consistency of the cleaning effect. By controlling the working state of the first delivery pump, the injection flow rate and injection time of the cleaning agent can be adjusted.

[0028] For example, such as Figure 3 As shown, the bearing cleaning machine of the electrical equipment also includes a second transfer pump 31; the second transfer pump 31 is connected between the oil drain port of the bearing chamber and the inlet of the waste liquid recovery tank 3, and is used to pump the waste liquid of the bearing chamber to the waste liquid recovery tank 3.

[0029] Specifically, after cleaning is completed, the second delivery pump 31 is started, generating negative pressure in the oil drain line, which draws out the waste cleaning agent (i.e. waste liquid) containing deteriorated grease dissolved in the bearing chamber from the oil drain port and pumps it through the pipeline to the waste liquid recovery tank 3 for storage.

[0030] In this embodiment, the waste liquid is actively extracted by negative pressure suction, which can more thoroughly remove the waste liquid from the bearing chamber compared to natural discharge, avoiding residual pollutants from affecting the quality of subsequent grease injection; the waste liquid is recycled in a closed pipeline and tank, with no open discharge, avoiding environmental pollution from waste cleaning agents and waste lubricating grease; negative pressure suction speeds up the discharge of waste liquid and shortens the time of a single maintenance operation.

[0031] For example, such as Figure 3 As shown, the bearing cleaning machine of the electrical equipment also includes a third delivery pump 51; the third delivery pump 51 is connected between the outlet of the grease tank 5 and the oil filling port of the bearing chamber, and is used to pump the grease in the grease tank 5 to the bearing chamber.

[0032] Specifically, after drying is completed, the third delivery pump is started to extract fresh grease from the grease tank and inject it precisely into the bearing chamber through pipelines and grease inlets until the preset amount of grease is reached and then stops.

[0033] In this embodiment, the grease has a high viscosity and is difficult to flow smoothly by gravity. A delivery pump is used to provide power to ensure that the grease can smoothly enter the bearing chamber.

[0034] For example, a filtration device is provided between the waste liquid recovery tank 5 and the second transfer pump 31. After the second transfer pump 31 draws out the waste liquid from the bearing chamber, the waste liquid first flows through the filtration device for filtration treatment to remove metal debris and impurity particles. The cleaned waste liquid after filtration then enters the waste liquid recovery tank 5 for storage.

[0035] In this embodiment, by setting up a filtration device, metal scraps and impurity particles in the waste liquid are filtered and separated, making the waste liquid cleaner and facilitating subsequent environmental treatment or recycling; it also prevents metal scraps and hard particles from entering the second transfer pump and waste liquid recovery tank, reducing wear on the pump impeller and tank body, and extending the service life of the equipment.

[0036] For example, the filtration device includes a coarse filter, a magnetic filter, and a fine filter element arranged sequentially along the flow direction of the waste liquid. This is used to perform multi-stage filtration of the extracted mixture of waste cleaning agent and waste lubricating grease, separating metal fragments and impurity particles. The fine filter element is replaceable and has a filtration accuracy of 5μm to 20μm.

[0037] Specifically, taking the online cleaning of a wind turbine bearing as an example, traditional disassembly and maintenance methods are extremely difficult due to the limited space and harsh maintenance conditions in the wind turbine nacelle. Using the mobile bearing cleaning machine of this invention, two maintenance personnel can transport the equipment to the nacelle and quickly connect it to the oil inlet and outlet of the generator bearing chamber via connector 7. Considering the severe deterioration of the lubricating grease in the wind turbine bearings, the cleaning agent heating temperature is set to 75°C, with three cyclic cleaning cycles, each lasting 20 minutes. During the cleaning process, the waste liquid undergoes multi-stage filtration and enters the waste liquid recovery tank 3, effectively separating and collecting metal fragments and impurities. After cleaning, the liquid undergoes gas drying and grease injection. The entire maintenance process is completed within 1.5 hours, without disassembling the generator, significantly reducing the difficulty and risk of high-altitude operations.

[0038] For example, an oil-water separator and an air filter are provided at the outlet of the compressed air source 4. The compressed gas output from the compressed air source 4 first passes through the oil-water separator to remove oil mist and liquid water entrained in the compressed gas; then it passes through the air filter to remove solid particles such as dust from the gas; the purified and dry clean gas then enters the second heating device for heating, and is finally sent into the bearing chamber. This can prevent contaminants from being brought into the cleaned bearing chamber, prevent secondary pollution, and increase the service life of the bearing.

[0039] For example, the bottom of the cleaning machine main unit 1 is equipped with casters and a locking device for fixing the main unit in the working position. When the equipment needs to be moved, the locking device is released, and the cleaning machine is pushed to the vicinity of the target electrical equipment by the casters; after reaching the working position, the locking device is activated to fix the main unit in the current position to prevent the equipment from shifting due to vibration or external force during operation.

[0040] In this embodiment, by setting up moving wheels and locking devices, the washing machine can be quickly moved to different work positions by the moving wheels, and the equipment can be stably fixed in the working position by the locking devices. This allows a single washing machine to be quickly transferred and used between different work positions and different electrical equipment, improving equipment utilization and reducing equipment procurement costs. Moving and positioning do not require multiple people to carry the equipment, reducing labor costs.

[0041] For example, such as Figure 1 As shown, the bearing cleaning machine of the electrical equipment also includes a controller disposed on the surface of the main body 1 of the cleaning machine; the controller is configured to automatically control the cleaning agent storage tank 2, the waste liquid recovery tank 3, the compressed air source 4 and the lubricating grease storage tank 5 to sequentially perform the operation process of cleaning agent injection, waste liquid recovery, hot air drying and quantitative grease injection into the bearing chamber according to a preset time sequence.

[0042] In this embodiment, the controller automatically controls the start-stop sequence, running time, and operating parameters of cleaning agent injection, waste liquid recovery, gas drying, and grease injection according to a preset program. This integrates multiple processes such as cleaning, waste liquid recovery, drying, and grease injection into one device for automatic completion, greatly simplifying the maintenance process and shortening maintenance time. By adopting an online cleaning method, there is no need for equipment disassembly or professional disassembly and assembly personnel, which can reduce labor costs. At the same time, it reduces the wear and tear of parts and equipment downtime caused by disassembly, which can significantly reduce maintenance costs.

[0043] For example, the bearing cleaning machine of this electrical equipment also includes a controller 6 and a temperature sensor, a pressure sensor, a flow meter, and multiple control valves electrically connected to the controller 6. The temperature sensor is located at the output end of the first heating device and the gas heater; the pressure sensor is located on each delivery pipeline; and the flow meter is located on the cleaning agent supply pipeline and the grease injection pipeline. The controller is a programmable logic controller (PLC) or a microcontroller, used to control the start-up and shutdown sequence, running time, and operating parameters of each system according to a preset program.

[0044] Specifically, taking the online cleaning of a 200kW high-voltage motor bearing as an example, the bearing model is SKF6316 / C3, and the grease filling amount is approximately 80g. Connect each connector 7 to the oil inlet and outlet of the motor bearing chamber via pipelines. Set the cleaning parameters via controller 6: cleaning agent heating temperature 65℃, cleaning agent injection flow rate 1L / min, cleaning time 15 minutes, drying gas temperature 50℃, drying time 5 minutes, and grease injection amount 80g. After starting the equipment, controller 6 automatically executes the cleaning program, and the entire process is completed in approximately 40 minutes. The motor can be cleaned and maintained online without disassembly.

[0045] For example, both the cleaning agent storage tank 1 and the waste liquid recovery tank 5 are equipped with a liquid level indicator and a low liquid level alarm device. The liquid level indicator displays the liquid level in the tank in real time, which is convenient for operators to observe at any time; when the liquid level in the cleaning agent storage tank is too low or the liquid level in the waste liquid recovery tank is too high, the low liquid level alarm device automatically triggers an alarm signal, prompting the operator to replenish the cleaning agent or empty the waste liquid in time.

[0046] In this embodiment, by setting up a liquid level indicator and a low liquid level alarm device, operators are promptly reminded to replenish the cleaning agent, avoiding work interruptions or incomplete cleaning due to the depletion of cleaning agent during the cleaning process; the waste liquid recovery tank is promptly emptied to prevent waste liquid overflow from causing environmental pollution or equipment failure; the alarm prompts enable operators to respond in a timely manner, avoiding equipment idling, pump dry running, and other malfunctions due to abnormal liquid levels; the liquid level indicator makes the liquid level in the tank clear at a glance, making it easy for operators to understand the use of consumables and the generation of waste liquid, and to reasonably arrange maintenance plans.

[0047] like Figure 4 As shown, the working process of the bearing cleaning machine for electrical equipment provided by this invention is as follows: S1. Interface connection: Connect each connector 7 to the oil inlet and drain outlet (or vent) of the bearing chamber of the electrical equipment through pipelines to ensure reliable sealing.

[0048] S2. Heating preparation: The first heating device 22 is started through the control system to heat the cleaning agent to 50℃-80℃. At the same time, the bearing is preheated by the heat generated by the bearing itself or by external auxiliary heating, so that the deteriorated grease inside the bearing is softened.

[0049] S3. Inject cleaning agent: Start the first delivery pump 21 and inject the heated cleaning agent into the bearing chamber through the injection port at the set flow rate (e.g., 0.5-2L / min). The cleaning agent will flush and dissolve the bearing in the bearing chamber.

[0050] S4. Circulating cleaning and maintenance: The cleaning time is set to 5-30 minutes depending on the bearing specifications and degree of contamination.

[0051] S5. Waste liquid negative pressure extraction: After cleaning is completed, the second delivery pump 31 is started to extract the mixture of waste cleaning agent and dissolved waste lubricating grease in the bearing chamber through the discharge port. After being filtered by the filter device, it is sent to the waste liquid recovery tank 3.

[0052] S6. Cycle count judgment: Based on the degree of bearing contamination, if the preset number of cycles is reached, execute S7; otherwise, return to S3 and repeat steps S3 and S4 once or more until the extracted waste liquid becomes lighter in color and has no obvious particulate matter.

[0053] S7. Hot air drying: Turn off the first delivery pump 21 and the second delivery pump 31, turn on the compressed air source 4 and the gas heater 41, and introduce dry compressed gas (such as compressed air or nitrogen) heated to 40℃-60℃ into the bearing chamber. The purging time is 3-10 minutes to remove the residual cleaning agent and moisture.

[0054] S8. Quantitative grease injection: After drying is completed, start the third delivery pump 51 and inject the new grease into the bearing chamber through the injection port according to the preset grease injection amount (determined according to the bearing model and specifications).

[0055] S9. Restoration and Removal: After grease injection, close all valves, remove pipelines, and restore the original sealing state of the electrical equipment bearing chamber.

[0056] Compared with the prior art, the bearing cleaning machine for electrical equipment provided by the present invention has the following beneficial effects: 1) This invention, by setting up a cleaning agent storage tank, a waste liquid recovery tank, a compressed air source, a lubricating grease storage tank, a first heating device, and a second heating device inside the main unit of the cleaning machine, and connecting them to the oil inlet and oil outlet of the bearing chamber of the electrical equipment respectively, can complete the entire process of cleaning, drying, and grease injection without disassembling the bearings and electrical equipment, thus avoiding secondary damage to the bearings and equipment caused by disassembly and reassembly in the traditional method.

[0057] 2) This invention uses a first heating device to heat the cleaning agent and inject it into the bearing chamber, which can effectively soften and dissolve the deteriorated grease inside the bearing; the second delivery pump extracts the waste liquid under negative pressure and filters it through a multi-stage filtration device, which can separate metal debris and impurity particles; the compressed air source and gas heater pass heated dry gas through the purging process, which can help to thoroughly remove residual cleaning agent and moisture; through the combined effect of the above multiple means, the deteriorated grease and metal debris in the raceway and rolling element gaps inside the bearing can be effectively removed, and the cleaning effect is better than the traditional manual cleaning method.

[0058] 3) This invention automatically controls the start-stop sequence, running time and operating parameters of cleaning agent injection, waste liquid recovery, gas drying and grease injection according to a preset program by a controller. It can integrate multiple processes such as cleaning, waste liquid recovery, drying and grease injection into one device for automatic completion, which greatly simplifies the maintenance process and shortens the maintenance time.

[0059] 4) By adopting an online cleaning method, this invention eliminates the need for equipment disassembly and professional disassembly and assembly personnel, thereby reducing labor costs. At the same time, it reduces component wear and equipment downtime losses caused by disassembly, significantly reducing maintenance costs.

[0060] 5) The present invention can be easily moved and positioned between different electrical equipment by means of the moving wheels and locking device set at the bottom of the main body of the cleaning machine; by changing the plug interface pipe joints of different specifications, it can be used for online cleaning and maintenance of bearings of electrical equipment such as motors and generators of different models and specifications. 6) This invention uses a filtration device installed between the waste liquid recovery tank and the second transfer pump to perform multi-stage filtration and closed collection of waste liquid, which can avoid the random discharge of waste cleaning agents and waste lubricating grease, and is beneficial to environmental protection.

[0061] It is understood that the above embodiments are merely exemplary implementations used to illustrate the principles of the present invention, and the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A bearing cleaning machine for electrical equipment, characterized in that, The cleaning machine body includes a cleaning agent storage tank, a waste liquid recovery tank, a compressed air source, a lubricating grease storage tank, a first heating device, and a second heating device. The inlet of the first heating device is connected to the outlet of the cleaning agent storage tank, and the outlet of the first heating device is used to connect to the bearing chamber oil inlet to inject heated cleaning agent into the bearing chamber. The outlet of the grease reservoir is connected to the oil inlet of the bearing chamber to inject lubricating paste into the bearing chamber; The inlet of the second heating device is connected to the outlet of the compressed gas source, and the outlet of the second heating device is used to connect to the oil inlet of the bearing chamber to introduce heated dry gas into the bearing chamber. The inlet of the waste liquid recovery tank is used to connect to the oil drain port of the bearing chamber.

2. The bearing cleaning machine for electrical equipment according to claim 1, characterized in that, It also includes the first delivery pump; The first delivery pump is connected between the outlet of the cleaning agent storage tank and the inlet of the first heating device, and is used to pump the cleaning agent in the cleaning agent storage tank to the first heating device for heating.

3. The bearing cleaning machine for electrical equipment according to claim 1, characterized in that, It also includes a second delivery pump; The second delivery pump is connected between the oil drain port of the bearing chamber and the inlet of the waste liquid recovery tank, and is used to pump the waste liquid from the bearing chamber to the waste liquid recovery tank.

4. The bearing cleaning machine for electrical equipment according to claim 1, characterized in that, It also includes a third delivery pump; The third delivery pump is connected between the outlet of the grease reservoir and the oil inlet of the bearing chamber, and is used to pump the grease in the grease reservoir to the bearing chamber.

5. The bearing cleaning machine for electrical equipment according to claim 3, characterized in that, A filtration device is installed between the waste liquid recovery tank and the second transfer pump.

6. The bearing cleaning machine for electrical equipment according to claim 5, characterized in that, The filtration device includes a coarse filter screen, a magnetic filter, and a fine filter element arranged sequentially along the flow direction of the waste liquid.

7. The bearing cleaning machine for electrical equipment according to claim 1, characterized in that, An oil-water separator and an air filter are installed at the outlet of the compressed air source.

8. The bearing cleaning machine for electrical equipment according to claim 1, characterized in that, The bottom of the main unit of the cleaning machine is equipped with casters and a locking device for fixing the main unit in the working position.

9. The bearing cleaning machine for electrical equipment according to claim 1, characterized in that, It also includes the controller; The controller is configured to automatically control the cleaning agent storage tank, the waste liquid recovery tank, the compressed air source and the lubricating grease storage tank to sequentially perform the cleaning agent injection cleaning, waste liquid recovery, hot air drying and quantitative grease injection into the bearing chamber according to a preset time sequence.

10. The bearing cleaning machine for electrical equipment according to claim 1, characterized in that, Both the cleaning agent storage tank and the waste liquid recovery tank are equipped with liquid level indicators and low liquid level alarm devices.

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