A wind turbine gear pump main shaft and bearing waste oil collecting device

Abstract

The utility model belongs to the field of wind turbine, specifically disclose a kind of wind turbine gear pump main shaft and bearing waste oil collecting device, for solving the oil suction structure of existing device, the suction and discharge grease device on it is easily blocked by impurity in lubricating oil, to affect the normal collection process of waste oil problem;Specifically including main body, the inside of main body is provided with bearing bracket and bearing plate, bearing bracket is equipped with gear pump body and two-position four-way valve, the upside of gear pump body is equipped with oil storage tank, connecting pipe is clamped between oil storage tank and two-position four-way valve, the upside of bearing plate is provided with suction and discharge grease device, two groups of oil delivery pipe are clamped between suction and discharge grease device and two-position four-way valve, the side of suction and discharge grease device is clamped with second suction pipe, the lower end of second suction pipe is clamped with filter body, can avoid the impurity in waste oil to cause the blockage of suction and discharge grease device, while can prevent impurity to affect the normal processing of filter structure, ensure the collection stability of waste oil.

Description

Technical Field

[0001] This utility model relates to the field of wind turbine generators, and in particular to a waste oil collection device for the main shaft and bearings of a wind turbine gear pump. Background Technology

[0002] The waste oil collection device for the gear pump main shaft and bearings of wind turbine generators is a key environmental protection and maintenance component in the lubrication system of wind turbine generators. It is specifically designed to capture, contain, and guide any leaking or forced discharge of failed lubricating oil from the gear pump drive main shaft and its support bearings, preventing it from polluting the internal environment of the unit, damaging other components, and enabling centralized recycling and treatment of waste oil.

[0003] In the prior art, the lubricating oil on the gear pump main shaft and bearings of wind turbine units usually requires a waste oil collection device during long-term use. According to the content of Chinese utility model patent with patent publication number CN217356443U, the oil suction structure of this device is easily clogged by impurities in the lubricating oil, which will affect the normal collection process of waste oil and urgently needs to be improved.

[0004] To address the aforementioned technical deficiencies, a solution is proposed that can prevent impurities in waste oil from clogging the grease suction device while also preventing impurities from affecting the normal processing of the filtration structure, thus ensuring the stability of waste oil collection. Utility Model Content

[0005] The purpose of this invention is to provide a waste oil collection device for the main shaft and bearings of a wind turbine gear pump to solve the aforementioned problems.

[0006] The purpose of this utility model can be achieved through the following technical solution: A waste oil collection device for the main shaft and bearing of a wind turbine gear pump, comprising a main body, a support frame and a support plate arranged on the inner side of the main body, a gear pump body and a two-position four-way valve installed on the support frame, an oil storage tank installed on the upper side of the gear pump body, a connecting pipe connected between the oil storage tank and the two-position four-way valve, a grease suction device arranged on the upper side of the support plate, two sets of oil delivery pipes connected between the grease suction device and the two-position four-way valve, a second oil suction pipe connected to one side of the grease suction device, a filter body connected to the lower end of the second oil suction pipe, and a first oil suction pipe connected to the bottom of the filter body; The bottom end of the filter body is fitted with a bottom baffle, and a micro motor is fitted on the lower side of the bottom baffle. The output shaft of the micro motor is connected to a rotating shaft that passes through the bottom baffle. Two sets of stirring plates are fitted on the upper end of the rotating shaft. A filter screen is placed inside the filter body, and a filter cylinder is fitted on the lower side of the filter screen.

[0007] Preferably, a front door panel and a rear door panel are respectively hinged to both sides of the main body via connecting hinges, and magnetic strips are fixedly connected to the ends of the front door panel and the rear door panel, and the magnetic strips are attracted to the main body.

[0008] Preferably, the two inner walls of the main body are fixedly connected with limit sliding rods, the two sides of the support frame are provided with a first sliding groove, and the two sides of the support plate are provided with a second sliding groove.

[0009] Preferably, the support frame and the support plate are slidably connected to the limiting slide rod through the first slide groove and the second slide groove, respectively.

[0010] Preferably, one side of the main body is connected to a first card plate and a second card plate by two sets of torsion springs, and the cross-sectional shape of the first card plate and the second card plate is L-shaped. The first card plate and the second card plate cooperate with the front door panel and the rear door panel, respectively.

[0011] Preferably, the lower side of the fat suction device is fitted with an oil outlet pipe, and a collection bottle is provided at the lower end of the oil outlet pipe. An internal threaded ring is fixedly connected to the collection bottle, and the internal threaded ring is threadedly connected to the oil outlet pipe.

[0012] Preferably, the two sets of agitator plates are symmetrically arranged about the rotation axis, the agitator plates are in contact with the outer side of the filter cylinder, and the agitator plates are L-shaped.

[0013] The beneficial effects of this utility model are: When the first suction pipe draws the waste oil from the bearing into the filter body, the impurities in the waste oil remain inside the filter body after being filtered by the filter cylinder and filter screen. The old oil is discharged into the collection bottle through the second suction pipe and the oil outlet pipe. At the same time, the micro motor on the bottom baffle is activated to drive the rotating shaft to rotate, which in turn drives the stirring plate to rotate. This scrapes away the impurities on the outside of the filter cylinder, which can prevent the impurities in the waste oil from clogging the grease suction device and prevent the impurities from affecting the normal processing of the filter structure, thus ensuring the stability of waste oil collection. First, the first and second plates are rotated away from the front and rear door panels by the torsion springs. Then, the front and rear door panels are rotated away from the sides of the main body by the connecting hinges. Next, the support frame and support plate are moved to the outside of the main body by the first and second slide rails, which facilitates quick maintenance of the integrated waste oil collection device and makes the maintenance process unobstructed. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings; Figure 1 This is a three-dimensional structural view of the entire utility model; Figure 2This is a schematic diagram of the connection structure of the fat suction device in this utility model; Figure 3 This is a schematic diagram of the connection structure of the filter body in this utility model; Figure 4 This is a schematic diagram of the connection structure of the main body in this utility model.

[0015] Legend: 1. Main body; 2. Support frame; 3. Support plate; 4. Gear pump body; 5. Oil storage tank; 6. Connecting pipe; 7. Two-position four-way valve; 8. Oil delivery pipe; 9. Grease suction device; 10. Second oil suction pipe; 11. Filter body; 12. First oil suction pipe; 13. Oil outlet pipe; 14. Collection bottle; 15. Internal threaded ring; 16. Micro motor; 17. Rotating shaft; 18. Stirring plate; 19. Filter screen; 20. Filter cylinder; 21. Bottom baffle; 22. Connecting hinge; 23. Front door panel; 24. Rear door panel; 25. Magnetic strip; 26. First retaining plate; 27. Second retaining plate; 28. Torsion spring; 29. ​​Limiting slide bar; 30. First slide groove; 31. Second slide groove. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Example 1: The application background of this utility model is based on the process of treating the lubricating oil on the main shaft and bearings of the gear pump of the wind turbine. This process usually requires a waste oil collection device. The technical solution of this utility model is to solve the problem that the oil suction structure of the existing device is easily blocked by impurities in the lubricating oil, which will affect the normal collection process of waste oil. Please see Figures 1-4As shown, this embodiment is a waste oil collection device for the main shaft and bearings of a wind turbine gear pump, including a main body 1. A support frame 2 and a support plate 3 are arranged inside the main body 1. A gear pump body 4 and a two-position four-way valve 7 are installed on the support frame 2. An oil storage tank 5 is installed on the upper side of the gear pump body 4. A connecting pipe 6 is clamped between the oil storage tank 5 and the two-position four-way valve 7. A grease suction device 9 is arranged on the upper side of the support plate 3. Two sets of oil delivery pipes 8 are clamped between the grease suction device 9 and the two-position four-way valve 7. One side of the grease suction device 9 is clamped... There is a second oil suction pipe 10, the lower end of the second oil suction pipe 10 is connected to a filter body 11, the bottom of the filter body 11 is connected to a first oil suction pipe 12, the bottom end of the filter body 11 is connected to a bottom baffle 21, a micro motor 16 is installed on the lower side of the bottom baffle 21, the output shaft of the micro motor 16 is connected to a rotating shaft 17 that passes through the bottom baffle 21, the upper end of the rotating shaft 17 is connected to two sets of stirring plates 18, a filter screen 19 is installed on the inner side of the filter body 11, and a filter cylinder 20 is connected to the lower side of the filter screen 19. The lower side of the fat suction device 9 is fitted with an oil outlet pipe 13. A collection bottle 14 is provided at the lower end of the oil outlet pipe 13. An internal threaded ring 15 is fixedly connected to the collection bottle 14, and the internal threaded ring 15 is threadedly connected to the oil outlet pipe 13. The collection bottle 14 is fitted at the lower end of the oil outlet pipe 13 through the internal threaded ring 15.

[0018] Two sets of stirring plates 18 are symmetrically arranged about the rotation axis 17. The stirring plates 18 are in contact with the outside of the filter cylinder 20, and the shape of the stirring plates 18 is L-shaped. The two sets of stirring plates 18 are used to scrape away the impurities on the outside of the filter cylinder 20. Specifically, when the first oil suction pipe 12 draws the waste oil from the bearing into the filter body 11, the impurities in the waste oil remain inside the filter body 11 after being filtered by the filter cylinder 20 and the filter screen 19. The old oil is discharged into the collection bottle 14 through the second oil suction pipe 10 and the oil outlet pipe 13. At the same time, the micro motor 16 on the lower side of the bottom baffle 21 is activated to drive the rotating shaft 17 to rotate, thereby driving the stirring plate 18 to rotate. This scrapes away the impurities on the outside of the filter cylinder 20, preventing the impurities in the waste oil from clogging the grease suction device 9 and preventing the impurities from affecting the normal processing of the filter structure, thus ensuring the stability of waste oil collection.

[0019] Example 2: Please refer to Figures 1-4 As shown, this embodiment is a waste oil collection device for the main shaft and bearing of a wind turbine gear pump. The front door panel 23 and the rear door panel 24 are respectively hinged to both sides of the main body 1 by connecting hinges 22. Magnetic strips 25 are fixedly connected to the ends of the front door panel 23 and the rear door panel 24. The magnetic strips 25 are attracted to the main body 1 and the front door panel 23 and the rear door panel 24 can be rotated by connecting hinges 22. Both inner walls of the main body 1 are fixedly connected with limiting slide rods 29. The middle of both sides of the support frame 2 is provided with a first slide groove 30, and both sides of the support plate 3 are provided with a second slide groove 31. The support frame 2 and the support plate 3 are slidably connected to the limiting slide rods 29 through the first slide groove 30 and the second slide groove 31 respectively. The first slide groove 30 and the second slide groove 31 cooperate with the limiting slide rods 29 to facilitate the movement of the support frame 2 and the support plate 3. One side of the main body 1 is connected to a first latch plate 26 and a second latch plate 27 by two sets of torsion springs 28, and the cross-sectional shape of the first latch plate 26 and the second latch plate 27 is L-shaped. The first latch plate 26 and the second latch plate 27 cooperate with the front door panel 23 and the rear door panel 24 respectively, and the positions of the front door panel 23 and the rear door panel 24 are fixed by the first latch plate 26 and the second latch plate 27. Specifically, the first plate 26 and the second plate 27 are rotated away from the front door panel 23 and the rear door panel 24 by the torsion spring 28, and then the front door panel 23 and the rear door panel 24 are rotated away from the sides of the main body 1 by the connecting hinge 22. Then, the support frame 2 and the support plate 3 are moved to the outside of the main body 1 by the first slide groove 30 and the second slide groove 31, respectively, along the limiting slide rod 29, so as to facilitate quick maintenance of the integrated waste oil collection device and the maintenance process is unobstructed.

[0020] As can be seen from Embodiments 1 and 2, when the first oil suction pipe 12 draws the waste oil from the bearing into the filter body 11, the impurities in the waste oil remain inside the filter body 11 after filtration by the filter cylinder 20 and the filter screen 19. The old oil is discharged into the collection bottle 14 through the second oil suction pipe 10 and the oil outlet pipe 13. At the same time, the micro motor 16 on the lower side of the bottom baffle 21 is activated to drive the rotating shaft 17 to rotate, thereby driving the stirring plate 18 to rotate. This scrapes away the impurities on the outside of the filter cylinder 20, which can prevent the impurities in the waste oil from clogging the grease suction device 9 and prevent the impurities from affecting the normal processing of the filtration structure, thus ensuring the stability of waste oil collection.

[0021] The above description is merely an example and illustration of the structure of this utility model. Those skilled in the art can make various modifications or additions to the specific embodiments described or use similar methods to replace them, as long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of this utility model.

Claims

1. A waste oil collection device for the main shaft and bearings of a wind turbine gear pump, comprising a main body (1), characterized in that: The inner side of the main body (1) is provided with a support frame (2) and a support plate (3). The support frame (2) is equipped with a gear pump body (4) and a two-position four-way valve (7). The upper side of the gear pump body (4) is equipped with an oil storage tank (5). A connecting pipe (6) is connected between the oil storage tank (5) and the two-position four-way valve (7). The upper side of the support plate (3) is provided with a fat suction device (9). The fat suction device (9) is connected between the two-position four-way valve (7) and two sets of oil delivery pipes (8). A second oil suction pipe (10) is connected to one side of the fat suction device (9). A filter body (11) is connected to the lower end of the second oil suction pipe (10). A first oil suction pipe (12) is connected to the bottom of the filter body (11). The bottom end of the filter body (11) is fitted with a bottom baffle (21), and a micro motor (16) is fitted on the lower side of the bottom baffle (21). The output shaft of the micro motor (16) is connected to a rotating shaft (17) that passes through the bottom baffle (21). Two sets of stirring plates (18) are fitted on the upper end of the rotating shaft (17). A filter screen (19) is placed on the inner side of the filter body (11), and a filter cylinder (20) is fitted on the lower side of the filter screen (19).

2. The waste oil collection device for the main shaft and bearings of a wind turbine gear pump according to claim 1, characterized in that, The front door panel (23) and the rear door panel (24) are respectively hinged to the two sides of the main body (1) by connecting hinges (22). The ends of the front door panel (23) and the rear door panel (24) are fixedly connected with magnetic strips (25), and the magnetic strips (25) are attracted to the main body (1).

3. The waste oil collection device for the main shaft and bearings of a wind turbine gear pump according to claim 1, characterized in that, Limiting slide rods (29) are fixedly connected to both inner walls of the main body (1), and first slide grooves (30) are opened in the middle of both sides of the support frame (2), and second slide grooves (31) are opened in both sides of the support plate (3).

4. The waste oil collection device for the main shaft and bearings of a wind turbine gear pump according to claim 3, characterized in that, The support frame (2) and the support plate (3) are slidably connected to the limiting slide rod (29) through the first slide groove (30) and the second slide groove (31), respectively.

5. The waste oil collection device for the main shaft and bearings of a wind turbine gear pump according to claim 2, characterized in that, One side of the main body (1) is connected to a first card plate (26) and a second card plate (27) by two sets of torsion springs (28), and the cross-sectional shape of the first card plate (26) and the second card plate (27) is L-shaped. The first card plate (26) and the second card plate (27) cooperate with the front door panel (23) and the rear door panel (24) respectively.

6. The waste oil collection device for the main shaft and bearings of a wind turbine gear pump according to claim 1, characterized in that, The lower side of the fat suction device (9) is fitted with an oil outlet pipe (13), and a collection bottle (14) is provided at the lower end of the oil outlet pipe (13). An internal threaded ring (15) is fixedly connected to the collection bottle (14), and the internal threaded ring (15) is threadedly connected to the oil outlet pipe (13).

7. The waste oil collection device for the main shaft and bearings of a wind turbine gear pump according to claim 1, characterized in that, The two sets of stirring plates (18) are symmetrically arranged about the rotation axis (17). The stirring plates (18) are attached to the outside of the filter cylinder (20), and the stirring plates (18) are L-shaped.

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