Lubricating oil filling device

Abstract

The lubricating oil filling device comprises a filling device body, the filling device body comprises a first filling assembly and a second filling assembly, and the first filling assembly and the second filling assembly are each internally provided with a gas driving part and an oil barrel; the gas driving part is connected with the oil drum in a sealed manner; an oil suction pipe, a sealing plate and a telescopic assembly are arranged in the oil drum, the outer diameter of the sealing plate is matched with the inner diameter of the oil drum, and the telescopic assembly is located on the lower portion of the sealing plate and used for supporting the sealing plate to move up and down; and the gas driving part works to drive the sealing plate to move downwards, so that grease in the oil drum is discharged through the oil suction pipe. The device can eliminate bubbles in lubricating grease in the oil drum.

Description

Technical Field

[0001] The present application relates to the technical field of wind power generation, and in particular to a lubricating oil filling device. Background Art

[0002] The function of a wind turbine is to convert wind energy into electrical energy. Wind turbines can bring into play the advantages of clean and renewable energy, and are of great significance to environmental protection and sustainable development. Wind turbines usually need to be maintained regularly. Regular maintenance can check the operating status of the equipment, promptly discover and solve potential problems, and ensure the safe and reliable operation of the wind turbine. Regular maintenance can also maintain and protect equipment, reduce mechanical wear and damage, and extend the service life of wind turbines. This includes adding lubricating grease to the main shaft bearings, blade pitch bearings, and yaw bearings of wind turbines. By adding lubricating grease to the above components, the friction coefficient of the bearings can be reduced and the service life of each bearing can be extended. In addition, adding lubricating grease helps cool the bearing components and remove foreign matter generated by the bearings during operation to ensure the normal operation of the bearings.

[0003] In the prior art, when lubricating grease is added to a wind turbine generator set through a pneumatic pump, bubbles are easily present in the lubricating grease in the oil barrel, which causes the lubricating grease to be unable to be continuously discharged from the filling gun. Utility Model Content

[0004] The embodiment of the present application provides a lubricating oil filling device to achieve the effect of eliminating bubbles in the lubricating grease in the oil barrel.

[0005] The embodiments of the present application provide the following technical solutions to solve the above technical problems:

[0006] An embodiment of the present application provides a lubricating oil filling device, comprising: a filling device body, the filling device body comprising a first filling assembly and a second filling assembly, wherein the first filling assembly and the second filling assembly are both provided with a gas driving component and an oil barrel; the gas driving component is connected to the oil barrel sealed filling device body; an oil suction pipe, a sealing plate and a telescopic component are provided in the oil barrel, the outer diameter of the sealing plate matches the inner diameter of the oil barrel, the telescopic component is located at the lower part of the sealing plate, and is used to support the sealing plate to move up and down; the gas driving component works to drive the sealing plate to move downward, so that the grease in the oil barrel can be discharged through the oil suction pipe.

[0007] Beneficial effects of the embodiments of the present application: The lubricating oil filling device provided by the embodiments of the present application is provided with a sealing plate matching the inner diameter of the oil barrel in the oil barrel and a telescopic component for supporting its upward and downward movement is provided at the lower part of the sealing plate, so that during the lubricating oil filling process, the sealing plate can move downward in the oil barrel, so that the grease in the oil barrel can be discharged through the oil suction pipe. Due to the provision of the sealing plate, during the lubricating oil filling process, the grease in the oil barrel is subjected to the pressure of the sealing plate, and because the bubbles are light in weight, the bubbles in the grease can float to the surface of the grease, so that the lubricating grease can be continuously discharged from the filling gun, achieving the effect of eliminating the bubbles inside the grease.

[0008] In a possible embodiment, the telescopic assembly includes a base and a telescopic spring; the telescopic spring is arranged on the base and connected to the sealing plate, and the base is arranged at the bottom of the oil drum; the telescopic spring expands and contracts with the movement of the sealing plate, and the base is used to limit the descending distance of the sealing plate.

[0009] In a possible embodiment, the telescopic assembly further includes a positioning rod, one end of which is connected to the oil drum cover of the oil drum, and the other end of which is connected to the base, and the positioning rod passes through the sealing plate, and the telescopic spring is sleeved on the outside of the positioning rod.

[0010] In a possible implementation manner, the top end of the oil suction pipe is connected to the gas driving component, the positioning rod is sleeved outside the oil suction pipe, and the bottom end of the oil suction pipe extends out of the positioning rod.

[0011] In a possible implementation, the base includes a top plate and a bottom plate, the top plate carries the positioning rod and the telescopic spring, the outer diameter of the telescopic spring is less than or equal to the outer diameter of the top plate, and the oil suction pipe is located between the top plate and the bottom plate.

[0012] In a possible implementation, the outer diameter of the bottom plate matches the inner diameter of the oil barrel, and the top plate and the bottom plate are connected via ribs so that the grease between the sealing plate and the bottom plate enters the oil suction pipe.

[0013] In a possible embodiment, the gas-driven component of the first filling assembly and the gas-driven component of the second filling assembly are connected via a three-way air pipe; wherein the first interface of the three-way air pipe is connected to the gas-driven component of the first filling assembly, the second interface of the three-way air pipe is connected to the gas-driven component of the second filling assembly, the third interface of the three-way air pipe is connected to the gas supply pipe via a three-way interface, and the other end of the gas supply pipe is connected to the air compressor.

[0014] In a possible implementation, a pressure gauge is provided between the gas driving component of the first filling assembly and the first interface, and a pressure gauge is also provided between the gas driving component of the second filling assembly and the second interface, and a filter is provided in the pressure gauge.

[0015] In a possible implementation manner, the first filling assembly and the second filling assembly are both provided with an oil outlet, the oil outlet is connected to an oil outlet pipe, one end of the oil outlet pipe is connected to the oil outlet, and the other end of the oil outlet pipe is connected to the oil outlet, and the other end is connected to the oil gun.

[0016] In a possible implementation manner, the oil gun is provided with a filling interface and a meter, and a check valve is provided inside the filling interface.

[0017] In addition to the technical problems solved by the present application, the technical features that constitute the technical solution, and the beneficial effects brought about by the technical features of these technical solutions described above, other technical problems that can be solved by the lubricating oil filling device provided by the present application, other technical features included in the technical solution, and the beneficial effects brought about by these technical features will be further described in detail in the specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0019] Figure 1 A schematic diagram of the structure of a lubricating oil filling device provided in an embodiment of the present application;

[0020] Figure 2 A schematic diagram of the structure of an oil barrel of a lubricating oil filling device provided in an embodiment of the present application;

[0021] Figure 3 A schematic structural diagram of an air compressor of the lubricating oil filling device provided in an embodiment of the present application.

[0022] Description of reference numerals:

[0023] 1. Filling device body; 2. Oil drum; 3. Grease filter; 4. Handle; 5. Three-way air pipe; 6. Sealing plate; 7. Oil suction pipe; 8. Gas pipe; 9. Gas pipe interface; 10. Oil outlet; 11. Pressure gauge; 12. Meter; 13. Filling interface; 14. Oil gun; 15. Three-way interface; 16. Gas drive component; 17. Base; 18. Positioning rod; 19. Oil outlet pipe.

[0024] The above drawings have shown clear embodiments of the present application, which will be described in more detail later. These drawings and text descriptions are not intended to limit the scope of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0025] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0026] In the related art, in order to ensure the safe and reliable operation of wind turbines and extend the service life of wind turbines, it is necessary to add lubricating grease to the main shaft bearings, blade pitch bearings and yaw bearings of wind turbines. However, in the prior art, when adding lubricating grease to wind turbines through pneumatic pumps, bubbles are easily generated in the grease in the oil barrel, resulting in the inability to continuously discharge the lubricating grease from the filling gun, affecting the filling effect and efficiency of the lubricating grease.

[0027] In view of this, the embodiment of the present application is provided with a sealing plate that matches the inner diameter of the oil barrel in the oil barrel and a telescopic component for supporting its up and down movement is provided at the bottom of the sealing plate, so that during the process of filling the lubricating oil, the sealing plate can move downward in the oil barrel, so that the grease in the oil barrel can be discharged through the oil suction pipe. By providing the sealing plate, during the process of filling the lubricating oil, the grease in the oil barrel is subjected to the pressure of the sealing plate, and the bubbles are light in weight, so that the bubbles in the grease can float to the surface of the grease, so that the grease can be continuously discharged from the filling gun, achieving the effect of eliminating the bubbles inside the grease. In addition, after the lubricating grease is refilled to the oil barrel, the lubricating grease in the oil barrel can be squeezed by moving the sealing plate up and down, thereby eliminating the bubbles in the lubricating grease.

[0028] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0029] Figure 1 This is a schematic diagram of the structure of the lubricating oil filling device provided in the embodiment of the present application. Figure 1As shown, the lubricating oil filling device includes a filling device body 1, and the filling device body 1 includes a first filling assembly and a second filling assembly, wherein the first filling assembly and the second filling assembly are both provided with a gas driving member 16 and an oil barrel 2; the gas driving member 16 is tightly connected to the oil barrel 2; the oil barrel 2 is provided with an oil suction pipe 7, a sealing plate 6 and a telescopic assembly, the outer diameter of the sealing plate 6 matches the inner diameter of the oil barrel 2, and the telescopic assembly is located at the lower part of the sealing plate 6, which is used to support the sealing plate 6 to move up and down; the gas driving member 16 works to drive the sealing plate 6 to move downward, so that the grease in the oil barrel 2 can be discharged through the oil suction pipe 7. That is to say, the lubricating oil filling device provided in the embodiment of the present application can have two filling assemblies, each of which is provided with a gas driving member 16 and an oil barrel 2, and different lubricating grease can be placed in the oil barrel 2 of each filling assembly. During the filling process, different filling assemblies can fill the parts to be filled at the same time, or different filling assemblies can fill the parts to be filled separately. Through the above arrangement, during the filling process of the lubricating grease, the sealing plate 6 can move downward in the oil barrel 2, and then the lubricating grease in the oil barrel 2 can be discharged through the oil suction pipe 7. Due to the provision of the sealing plate 6, during the filling process of the lubricating grease, the lubricating grease in the oil barrel 2 is subjected to the pressure of the sealing plate 6, and since the bubbles are light in mass, the bubbles in the lubricating grease can float to the surface of the lubricating grease, so that the lubricating grease can be continuously discharged from the filling gun, achieving the effect of eliminating the bubbles inside the lubricating grease.

[0030] Specifically, during the filling process, the gas drive 16 starts to operate first, and uses the air compressor as a power source. The sealing plate 6 moves toward the bottom of the oil barrel 2 under the action of the gas drive 16. Since the outer diameter of the sealing plate 6 matches the inner diameter of the oil barrel 2, during the descending process of the sealing plate 6, the lubricating grease in the oil barrel 2 is pushed and discharged from the oil barrel 2 through the oil suction pipe 7, the oil outlet pipe 19 and the oil gun 14.

[0031] Preferably, the sealing plate 6 can be composed of a metal plate and a rubber ring. Specifically, the main body of the sealing plate 6 is composed of a metal plate, and a rubber ring is sleeved on the outer ring of the metal plate. In this way, the sealing performance between the sealing plate 6 and the inner wall of the oil drum 2 can be increased, thereby improving the sealing effect and preventing the leakage of lubricating grease.

[0032] In some embodiments of the present application, the telescopic assembly includes a base 17 and a telescopic spring; the telescopic spring is arranged on the base 17 and connected to the sealing plate 6, and the base 17 is arranged at the bottom of the oil barrel 2; the telescopic spring is telescopic with the movement of the sealing plate 6, and the base 17 is used to limit the descending distance of the sealing plate 6. In other words, the telescopic spring in the telescopic assembly can be compressed when the sealing plate 6 moves downward, and the gas driving member 16 stops working when the sealing plate 6 contacts the base 17. When the gas driving member 16 stops working, the telescopic spring can drive the sealing plate 6 back to the top of the oil barrel 2. Through the setting of the telescopic assembly, the position of the sealing plate 6 can change with the change of the amount of lubricating grease in the oil barrel 2, and after the grease filling stops, the sealing plate 6 can return to the top of the oil barrel 2, which is convenient for the subsequent replenishment of grease.

[0033] In some embodiments of the present application, the telescopic assembly further includes a positioning rod 18, one end of which is connected to the oil drum cover of the oil drum 2, and the other end is connected to the base 17, and the positioning rod 18 passes through the sealing plate 6, and the telescopic spring is sleeved on the outside of the positioning rod 18. In other words, the top of the sealing plate 6 is also provided with an oil drum cover, and the oil drum cover is connected to the base 17 through the positioning rod 18. By setting the positioning rod 18, the position and movement trajectory of the sealing plate 6 and the telescopic spring are more stable.

[0034] In some embodiments of the present application, the top of the oil suction pipe 7 is connected to the gas drive 16, the positioning rod 18 is sleeved outside the oil suction pipe 7, and the bottom of the oil suction pipe 7 extends out of the positioning rod 18. In other words, the setting of the positioning rod 18 can also protect the oil suction pipe 7, and the positioning rod 18 can provide stable support and positioning for the oil suction pipe 7, thereby limiting the movement range of the oil suction pipe 7 and ensuring that the lubricating grease can be discharged from the oil barrel 2 through the oil suction pipe 7.

[0035] Optionally, the positioning rod 18 and the oil suction pipe 7 can be tightly connected. By tightly connecting the positioning rod 18 and the oil suction pipe 7, the structural stability and reliability of the entire lubricating oil filling device can be enhanced, and the oil suction pipe 7 can be prevented from shaking and deflecting during the grease filling process, thereby ensuring the normal operation of the lubricating oil filling device. Optionally, a grease filter 3 is also provided at the bottom of the oil suction pipe 7.

[0036] Optionally, the gas-driven component 16 is detachably connected to the oil barrel 2. For example, the gas-driven component 16 is snap-connected or threaded to the oil barrel 2. When the gas-driven component 16 is connected to the oil barrel 2, the gas-driven component 16 and the oil barrel 2 are in a closed state, and when the gas-driven component 16 and the oil barrel 2 are separated, the gas-driven component 16 and the oil barrel 2 are in an open state. When adding lubricating grease to the oil barrel 2, it is necessary to remove the gas-driven component 16 from the oil barrel 2 and take out the sealing plate 6 in the oil barrel 2 to complete the addition of lubricating grease. Preferably, a pull rod is provided on the sealing plate 6, so that when adding lubricating grease, the staff can pull the pull rod to take out the sealing plate 6 from the oil barrel 2. Specifically, when adding lubricating grease to the oil barrel 2, it is first necessary to remove the gas-driven component 16 from the oil barrel 2. Since the top end of the oil suction pipe 7 is connected to the gas-driven component 16, the oil suction pipe 7 can move synchronously with the gas-driven component 16. Secondly, remove the oil barrel cover on the top of the oil barrel 2, and remove the sealing plate 6 from the oil barrel 2 through the pull rod. Finally, add lubricating grease to the oil barrel 2. After adding the lubricating grease, the staff can place the sealing plate 6 on the top of the grease, and move the sealing plate 6 up and down through the pull rod, so that the sealing plate 6 squeezes the lubricating grease downward, thereby eliminating the gaps in the lubricating grease. Through the arrangement of the sealing plate 6 and the pull rod, during the process of adding the lubricating grease, the staff can squeeze the added lubricating grease in time through the sealing plate 6, thereby achieving the effect of eliminating the gaps inside the grease.

[0037] Figure 2 This is a schematic diagram of the structure of the oil barrel of the lubricating oil filling device provided in the embodiment of the present application. Figure 2 As shown, in some embodiments of the present application, the base 17 includes a top plate and a bottom plate, the top plate carries a positioning rod 18 and a telescopic spring, the outer diameter of the telescopic spring is less than or equal to the outer diameter of the top plate, and the oil suction pipe 7 is located between the top plate and the bottom plate. Optionally, the top plate and the bottom plate can be circular plates, and the outer diameter of the top plate is less than the outer diameter of the bottom plate. The outer diameter of the telescopic spring is less than or equal to the outer diameter of the top plate, so that the top plate of the base 17 can withstand the pressure of the telescopic spring and provide sufficient support for the telescopic spring.

[0038] In some embodiments of the present application, the outer diameter of the bottom plate matches the inner diameter of the oil barrel 2, and the top plate and the bottom plate are connected by ribs so that the grease between the sealing plate 6 and the bottom plate can enter the oil suction pipe 7. In other words, the lubricating grease can pass between the top plate and the bottom plate, and during the process of filling the grease, as the sealing plate 6 descends, the lubricating grease in the oil barrel 2 can enter the oil suction pipe 7 through the gap between the top plate and the bottom plate. Through the above arrangement, during the process of filling the grease, the base 17 can not only provide stable support for the telescopic assembly, but also ensure that the lubricating grease in the oil barrel 2 can smoothly enter the oil suction pipe 7. Optionally, the distance between the top plate and the bottom plate is greater than the length of the oil suction pipe 7 extending out of the positioning rod 18. Through the above arrangement, it can be ensured that the lubricating grease between the top plate and the bottom plate can be discharged from the oil barrel 2 through the oil suction pipe 7. Optionally, a handle 4 is provided on the outer wall of the oil barrel 2. The handle 4 is used to carry the oil barrel 2.

[0039] Figure 3 A schematic diagram of the structure of an air compressor of a lubricating oil filling device provided in an embodiment of the present application. Figure 1 and Figure 3 In some embodiments of the present application, the gas driver 16 of the first filling assembly and the gas driver 16 of the second filling assembly are connected through the three-way pipe 5; wherein the first interface of the three-way pipe 5 is connected to the gas driver 16 of the first filling assembly, the second interface of the three-way pipe 5 is connected to the gas driver 16 of the second filling assembly, the third interface of the three-way pipe 5 is connected to the gas pipe 8 through the three-way interface 15, and the other end of the gas pipe 8 is connected to the air compressor. Figure 3 As shown, one end of the gas pipe 8 is connected to the output end of the air compressor, and the other end of the gas pipe 8 is connected to the three-way air pipe 5 through the three-way interface 15. The compressed air output by the air compressor is respectively delivered to the gas driving member 16 of the first filling assembly and the gas driving member 16 of the second filling assembly through the gas pipe 8 and the three-way air pipe 5. Specifically, the first interface and the second interface of the three-way air pipe 5 are respectively connected to the gas driving member 16 of the first filling assembly and the gas driving member 16 of the second filling assembly through the air pipe interface 9.

[0040] In some embodiments of the present application, a pressure gauge 11 is provided between the gas driving member 16 of the first filling assembly and the first interface, and a pressure gauge 11 is also provided between the gas driving member 16 of the second filling assembly and the second interface, and a filter is provided in the pressure gauge 11. Optionally, the pressure gauge 11 can manually adjust the air pressure. Specifically, the pressure gauge 11 includes an air inlet and an air outlet. The air inlet of the pressure gauge 11 is connected to the trachea interface 9, and the air outlet of the pressure gauge 11 is connected to the gas driving member 16. The pressure gauge 11 also includes a pressure regulating valve, which has a pressure regulating knob.

[0041] In some embodiments of the present application, the first filling assembly and the second filling assembly are both provided with an oil outlet 10, the oil outlet 10 is connected to an oil outlet pipe 19, one end of the oil outlet pipe 19 is connected to the oil outlet 10, and the other end is connected to the oil gun 14. Optionally, the first filling assembly and the second filling assembly can also be provided with a heating device, which can heat the lubricating grease inside the oil barrel 2, thereby increasing the fluidity of the grease. For example, the heating device can be a resistance heater.

[0042] In some embodiments of the present application, the oil gun 14 is provided with a filling interface 13 and a meter 12, and a check valve is provided inside the filling interface 13. Optionally, the first interface and the second interface of the three-way air pipe 5 can also be connected to an air gun and a spray gun, and then used to remove dust and oil from the inside of the wind turbine. Optionally, an oil volume switch can also be provided on the oil gun 14. When the amount of lubricating grease added reaches a certain amount, the oil volume switch is closed, and an alarm is given through a buzzer.

[0043] It should be noted that: in this application, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0044] In addition, in this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0045] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A lubricating oil filling device, characterized in that: The filling device comprises a filling device body (1), wherein the filling device body (1) comprises a first filling component and a second filling component, wherein A gas driving component (16) and an oil barrel (2) are arranged inside the first filling assembly and the second filling assembly; The gas driving member (16) is tightly connected to the oil barrel (2); An oil suction pipe (7), a sealing plate (6) and a telescopic assembly are arranged in the oil barrel (2); the outer diameter of the sealing plate (6) matches the inner diameter of the oil barrel (2); the telescopic assembly is located at the bottom of the sealing plate (6) and is used to support the sealing plate (6) to move up and down; The gas driving member (16) works to drive the sealing plate (6) to move downward, so that the grease in the oil barrel (2) is discharged through the oil suction pipe (7).

2. The device according to claim 1, characterized in that The telescopic assembly comprises a base (17) and a telescopic spring; The telescopic spring is arranged on the base (17) and connected to the sealing plate (6); the base (17) is arranged at the bottom of the oil barrel (2); The telescopic spring expands and contracts as the sealing plate (6) moves, and the base (17) is used to limit the descending distance of the sealing plate (6).

3. The device according to claim 2, characterized in that The telescopic assembly further comprises a positioning rod (18), one end of the positioning rod (18) being connected to the oil drum cover of the oil drum (2), and the other end being connected to the base (17), and the positioning rod (18) passing through the sealing plate (6), and the telescopic spring being sleeved on the outside of the positioning rod (18).

4. The device according to claim 3, characterized in that The top end of the oil suction pipe (7) is connected to the gas drive component (16), the positioning rod (18) is sleeved outside the oil suction pipe (7), and the bottom end of the oil suction pipe (7) extends out of the positioning rod (18).

5. The device according to claim 4, characterized in that The base (17) comprises a top plate and a bottom plate, the top plate carries the positioning rod (18) and the telescopic spring, the outer diameter of the telescopic spring is less than or equal to the outer diameter of the top plate, and the oil suction pipe (7) is located between the top plate and the bottom plate.

6. The device according to claim 5, characterized in that The outer diameter of the bottom plate matches the inner diameter of the oil barrel (2), and the top plate and the bottom plate are connected via ribs so that grease between the sealing plate (6) and the bottom plate can enter the oil suction pipe (7).

7. The device according to claim 1, characterized in that The gas driving component (16) of the first filling assembly and the gas driving component (16) of the second filling assembly are connected via a three-way air pipe (5); The first interface of the three-way air pipe (5) is connected to the gas driving component (16) of the first filling assembly, the second interface of the three-way air pipe (5) is connected to the gas driving component (16) of the second filling assembly, the third interface of the three-way air pipe (5) is connected to the gas supply pipe (8) through the three-way interface (15), and the other end of the gas supply pipe (8) is connected to the air compressor.

8. The device according to claim 7, characterized in that A pressure gauge (11) is provided between the gas driving component (16) of the first filling assembly and the first interface, and a pressure gauge (11) is also provided between the gas driving component (16) of the second filling assembly and the second interface, wherein a filter is provided in the pressure gauge (11).

9. The device according to claim 1, characterized in that The first filling assembly and the second filling assembly are both provided with an oil outlet (10), the oil outlet (10) being connected to an oil outlet pipe (19), one end of the oil outlet pipe (19) being connected to the oil outlet (10) and the other end being connected to an oil gun (14).

10. The device according to claim 9, characterized in that The oil gun (14) is provided with a filling interface (13) and a meter (12), and a check valve is provided inside the filling interface (13).

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