Grease filling device for wind turbine

Abstract

The present application provides a wind turbine grease filling device, including an oil storage tank and a filling cylinder slidably arranged on the side thereof and capable of being raised and lowered, the bottom end of the oil storage tank is provided with a moving wheel, the top end of the oil storage tank is provided with a tank cover, the top end of the tank cover is provided with a first oil pump for pumping grease inside the oil storage tank into the filling cylinder, the top end of the filling cylinder is provided with a cylinder cover, the top end of the cylinder cover is provided with a second oil pump for pumping grease out of the filling cylinder, the oil outlet end of the second oil pump is provided with a filling head, and a placement seat for placing the filling head is provided on one side of the bottom of the filling cylinder, and a liquid level controller is provided on the side of the filling cylinder. The present application integrates the functions of storing grease, filling oil storage and grease filling, and after the device is moved to a suitable operating area, the filling head placed on one side of the filling cylinder can be moved and adjusted to a desired height position for grease filling operations, thereby achieving efficient and fast work and reducing the labor intensity of the staff.

Description

Technical Field

[0001] The present application relates to the technical field of grease filling devices, and in particular to a grease filling device for a wind turbine set. Background Art

[0002] Wind power generation refers to the conversion of wind kinetic energy into electrical energy. Wind energy is a clean, pollution-free, renewable energy source. During the maintenance of wind turbines, a grease filling device is required to fill the wind turbines with grease.

[0003] In the prior art, a grease filling device for a wind turbine includes a barrel, a pump and a conveying mechanism. A worker can inject grease into the position of the wind turbine that needs lubrication by holding a grease gun, thereby performing oil filling and lubrication maintenance on the wind turbine.

[0004] However, in actual use, the above method requires the staff to hold the grease gun to add grease, which will undoubtedly increase the labor intensity of the staff and is not suitable for long-term operation of the staff. Utility Model Content

[0005] The purpose of the present application is to overcome the deficiencies in the above-mentioned background technology and to provide a grease filling device for a wind turbine set, which can reduce the labor intensity of grease filling workers.

[0006] This application is achieved through the following technical solutions:

[0007] A grease filling device for a wind turbine generator system comprises an oil storage tank and a filling cylinder slidably arranged on the side thereof so as to be able to be raised and lowered, a moving wheel is arranged at the bottom end of the oil storage tank, a tank cover is arranged at the top end of the oil storage tank, a first oil pump for pumping grease inside the oil storage tank into the filling cylinder is arranged at the top end of the tank cover, a cylinder cover is arranged at the top end of the filling cylinder, a second oil pump for pumping grease inside the filling cylinder is arranged at the top end of the cylinder cover, a filling head is arranged at the oil outlet end of the second oil pump, a placement seat for placing the filling head is arranged at one side of the bottom of the filling cylinder, and a liquid level controller is arranged on the side of the filling cylinder.

[0008] In an optional embodiment, two fixed seats are provided on one side of the oil storage tank, an adjusting screw is rotatably provided between the two fixed seats, an adjusting seat is threadedly connected to the rod surface of the adjusting screw, the adjusting seat is provided on one side of the filling cylinder and can be lifted and lowered together with the filling cylinder when the adjusting screw rotates, and a guide rod slidably connected to the adjusting seat is also provided between the two fixed seats.

[0009] In an optional embodiment, a mounting seat is provided at one end of the adjustment seat, the inner side of the mounting seat is configured to be arc-shaped, and is fixedly connected to the outer side of the filling cylinder after being fitted therewith, and the mounting seat is connected to the surface of the filling cylinder by mounting screws.

[0010] In an optional embodiment, a motor frame is provided at the top of the fixing seat located above, a driving motor is installed at the top of the motor frame, and a transmission shaft of the driving motor passes downward through the motor frame and is connected to the top of the adjusting screw.

[0011] In an optional embodiment, an oil inlet pipe is provided on one side of the top end of the tank cover, and a sealing cover is threadedly connected to the top end of the oil inlet pipe.

[0012] In an optional embodiment, the oil suction end of the first oil pump is connected to a first oil suction pipe, the end of the first oil suction pipe passes through the tank cover and is placed on the inner bottom of the oil storage tank, and the oil outlet end of the first oil pump is connected to a first oil outlet hose, and the other end of the first oil outlet hose is connected to the interior of the filling cylinder.

[0013] In an optional embodiment, the oil suction end of the second oil pump is connected to a second oil suction pipe, the end of the second oil suction pipe passes through the cylinder cover and is placed on the inner bottom of the filling cylinder, the oil outlet end of the second oil pump is connected to a second oil outlet hose, and the oil outlet end of the second oil pump is connected to the filling head through the second oil outlet hose.

[0014] In an optional embodiment, a snap-fit ​​groove adapted to the filling head is formed on the surface of the placement seat, and the placement seat can be snap-fitted to the filling head via the snap-fit ​​groove. Two limit plates spaced apart vertically are provided on the surface of the filling head, and the two limit plates can be respectively located on the upper and lower sides of the placement seat when the filling head is snap-fitted into the interior of the snap-fit ​​groove.

[0015] Compared with the prior art, this application has the following beneficial effects:

[0016] The wind turbine grease filling device provided by the present application comprises an oil storage tank and a filling cylinder slidably arranged on the side thereof and capable of being raised and lowered. The present application integrates the functions of storing grease, storing filling oil and filling grease into one. The oil storage tank can store more grease at one time for multiple grease filling operations, and the filling cylinder is used to temporarily store the amount of grease required for each operation, so as to reasonably control the use of grease and achieve the purpose of saving and avoiding waste. The present application places the filling head on a placement seat on one side of the filling cylinder, and the filling head can be raised and lowered together with the filling cylinder, and the movable wheels arranged at the bottom of the oil storage tank can be used to place the filling head on the bottom of the oil storage tank. After the device is moved to a suitable operating area, the filling head placed on one side of the filling cylinder is moved and adjusted to the required height position for grease filling operation, thereby achieving efficient and fast work and reducing the labor intensity of the staff; and through the provision of the first oil pump and the second oil pump, it is convenient to inject grease into the filling cylinder and extract the grease in the filling cylinder to use the filling head to realize the grease filling work of the wind turbine generator set; at the same time, a liquid level controller is provided on the side of the filling cylinder, and the provided liquid level controller can conveniently control the amount of oil entering the filling cylinder each time, thereby preventing excessive subsequent grease filling and reducing grease waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is one of the three-dimensional structural schematic diagrams of a wind turbine grease filling device provided in one embodiment of the present application;

[0019] Figure 2 The second three-dimensional structural schematic diagram of the wind turbine grease filling device provided in one embodiment of the present application;

[0020] Figure 3 A third three-dimensional structural schematic diagram of a wind turbine grease filling device provided in an embodiment of the present application;

[0021] Figure 4 A schematic diagram of the structure of a filling head provided in one embodiment of the present application;

[0022] Figure 5 For this application Figure 2 A is an enlarged structural diagram of FIG.

[0023] In the figure: 1. oil storage tank; 101. moving wheel; 2. tank cover; 201. oil inlet pipe; 3. first oil pump; 301. first oil pumping pipe; 302. first oil outlet hose; 4. adjusting seat; 401. mounting seat; 402. fixing seat; 403. adjusting screw; 404. guide rod; 405. motor frame; 406. driving motor; 5. filling cylinder; 501. liquid level controller; 6. cylinder cover; 7. placement seat; 701. engaging groove; 8. second oil pump; 801. second oil pumping pipe; 802. second oil outlet hose; 803. filling head; 804. limiting plate. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application is clearly and completely described below. Obviously, the described embodiments are 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 also fall within the scope of protection of the present application.

[0025] In the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0026] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0027] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0028] See also Figure 1-Figure 5The wind turbine grease filling device provided in the embodiment of the present application includes an oil storage tank 1 and a filling cylinder 5 slidably arranged on the side thereof and capable of being raised and lowered. A moving wheel 101 is arranged at the bottom end of the oil storage tank 1 to facilitate the movement of the entire wind turbine grease filling device. Optionally, a push rod is arranged on one side of the bottom of the oil storage tank 1 to facilitate the pushing of the oil storage tank 1 in cooperation with the moving wheel 101, and a liquid level window is arranged on the surface of the oil storage tank 1 to facilitate real-time observation of the oil amount inside the oil storage tank 1.

[0029] A tank cover 2 is provided at the top of the oil storage tank 1, and the tank cover 2 is connected to the top of the oil storage tank 1 by fixing screws so as to facilitate disassembly and assembly of the tank cover 2. A first oil pump 3 for pumping grease inside the oil storage tank 1 into the filling cylinder 5 is provided at the top of the tank cover 2.

[0030] A cylinder cover 6 is provided at the top of the filling cylinder 5, and the cylinder cover 6 is connected to the top of the filling cylinder 5 by fixing screws so as to facilitate disassembly and assembly of the cylinder cover 6. A second oil pump 8 for extracting grease from the inside of the filling cylinder 5 is provided at the top of the cylinder cover 6, a filling head 803 is provided at the oil outlet end of the second oil pump 8, and a placement seat 7 for placing the filling head 803 is provided on one side of the bottom of the filling cylinder 5.

[0031] A liquid level controller 501 is arranged on the side of the filling cylinder 5, and the detection end of the liquid level controller 501 is arranged inside the filling cylinder 5. The liquid level controller 501 is electrically connected to the first oil pump 3. The liquid level controller 501 automatically controls the first oil pump 3 to work so as to pump grease into the filling cylinder 5.

[0032] The wind turbine grease filling device provided in the embodiment of the present application includes an oil storage tank 1 and a filling cylinder 5 slidably arranged on the side thereof and capable of being raised and lowered. The wind turbine grease filling device in the embodiment of the present application integrates the functions of storing grease, storing filling oil and filling grease into one.

[0033] The present application can store a large amount of grease at one time through the oil storage tank 1 for use in multiple grease filling operations; the filling cylinder 5 is used to temporarily store the amount of grease required for each operation to reasonably control the use of grease, thereby achieving the purpose of saving and avoiding waste; the present application places the filling head 803 through the placement seat 7 on one side of the filling cylinder 5, and the filling head 803 can be lifted and moved together with the filling cylinder 5, and with the moving wheel 101 set at the bottom of the oil storage tank 1, the device can be moved to a suitable working area position, and then the filling head 803 placed on one side of the filling cylinder 5 can be moved and adjusted to the required height position for grease filling operations, thereby achieving efficient and fast work and reducing the labor intensity of the staff.

[0034] Furthermore, by providing the first oil pump 3 and the second oil pump 8 , it is possible to conveniently inject grease into the filling cylinder 5 and extract the grease in the filling cylinder 5 so as to use the filling head 803 to fill the wind turbine with grease.

[0035] At the same time, a liquid level controller 501 is arranged on the side of the filling cylinder 5. The liquid level controller 501 can conveniently control the amount of oil entering the filling cylinder 5 each time, thereby preventing excessive subsequent grease filling and reducing grease waste.

[0036] As an optional method of the embodiment of the present application, two fixed seats 402 are provided on one side of the oil storage tank 1, and the two fixed seats 402 are spaced apart from each other. The push rod provided on the bottom side of the oil storage tank 1 is opposite to the fixed seat 402. An adjusting screw 403 is rotatably provided between the two fixed seats 402. The adjusting screw 403 is arranged in a vertical manner. The rod surface of the adjusting screw 403 is threadedly connected with an adjusting seat 4. The adjusting seat 4 is located between the height ranges of the two fixed seats 402. The adjusting seat 4 is provided on one side of the filling cylinder 5 and can be lifted and lowered together with the filling cylinder 5 when the adjusting screw 403 rotates. A guide rod 404 slidably connected to the adjusting seat 4 is also provided between the two fixed seats 402 to guide and limit the movement of the adjusting seat 4.

[0037] In some embodiments of the present application, Figure 5 As shown, a mounting seat 401 is provided at one end of the adjustment seat 4, the inner side of the mounting seat 401 is arranged in an arc shape and is fixedly connected with the outer side of the filling cylinder 5 after being fitted therewith, and the mounting seat 401 is connected to the surface of the filling cylinder 5 by mounting screws, so as to facilitate quick disassembly and assembly of the filling cylinder 5.

[0038] In some embodiments of the present application, a motor frame 405 is provided at the top of the upper fixed seat 402, and a driving motor 406 is installed at the top of the motor frame 405. The transmission shaft of the driving motor 406 passes downward through the motor frame 405 and is connected to the top of the adjusting screw 403. When in use, the operation of the driving motor 406 can drive the adjusting screw 403 to rotate, thereby driving the adjusting seat 4 connected to the adjusting screw 403 to move up and down, so that the filling cylinder 5 is also lifted and lowered together with the adjusting seat 4. When the filling cylinder 5 is lifted to the required height position, the grease filling operation of the wind turbine set is carried out.

[0039] In some embodiments of the present application, Figure 1 As shown, an oil inlet pipe 201 is provided on one side of the top of the tank cover 2. When in use, a certain amount of grease can be added to the interior of the oil storage tank 1 through the oil inlet pipe 201. A sealing cap is threadedly connected to the top of the oil inlet pipe 201 to seal the oil inlet pipe 201.

[0040] In some embodiments of the present application, Figure 1 As shown, the first oil pump 3 is connected to the first oil pumping pipe 301, and the end of the first oil pumping pipe 301 passes through the tank cover 2 and is placed at the inner bottom of the oil storage tank 1. Figure 2 As shown, the oil outlet end of the first oil pump 3 is connected to the first oil outlet hose 302, and the other end of the first oil outlet hose 302 is connected to the interior of the filling cylinder 5. When in use, the first oil pump 3 works to quantitatively draw the oil inside the oil storage tank 1 into the interior of the filling cylinder 5.

[0041] In some embodiments of the present application, Figure 2 As shown, the pumping end of the second oil pump 8 is connected to a second oil pumping pipe 801, and the end of the second oil pumping pipe 801 passes through the cylinder cover 6 and is placed at the inner bottom of the filling cylinder 5, as shown in FIG. Figure 3 As shown, the oil outlet end of the second oil pump 8 is connected to a second oil outlet hose 802, and the oil outlet end of the second oil pump 8 is connected to a filling head 803 through the second oil outlet hose 802. When in use, the second oil pump 8 discharges the grease inside the filling cylinder 5 through the filling head 803, and aligns it with the position where the wind turbine needs oil lubrication to fill the wind turbine with grease.

[0042] Optionally, the surface of the placement seat 7 is provided with a snap-fit ​​groove 701 adapted to the filling head 803, and the placement seat 7 can be snap-fitted and connected to the filling head 803 through the snap-fit ​​groove 701. Figure 4 As shown, the surface of the filling head 803 is provided with two upper and lower spaced limit plates 804, which can be located on the upper and lower sides of the placement seat 7 respectively when the filling head 803 is engaged with the inside of the engagement groove 701, so as to limit the position of the filling head 803 so that it can be placed on the side of the filling cylinder 5.

[0043] When the wind turbine grease filling device provided by the embodiment of the present application is used, the sealing cover is first opened, a certain amount of grease is added to the inside of the oil storage tank 1 through the oil inlet pipe 201, and the sealing cover is closed. The device is moved to the side of the wind turbine through the cooperation between the moving wheel 101 and the push rod, and then the liquid level control value of the liquid level controller 501 can be selectively set to automatically control the first oil pump 3 to pump the grease inside the oil storage tank 1 into the filling cylinder 5 in a certain amount, or the first oil pump 3 can be manually controlled to pump the grease inside the oil storage tank 1 into the filling cylinder 5, and then the drive motor 406 is started, and the drive motor 406 drives the adjusting screw 40 3 is rotated, and the adjusting seat 4 is driven to move up and down under the action of the guide rod 404, so as to adjust the height of the filling cylinder 5, so that the filling head 803 corresponds to the filling position, and the second oil pump 8 is started, and the second oil pump 8 discharges the grease inside the filling cylinder 5 through the filling head 803 to fill the wind turbine with grease. During this process, the staff does not need to hold the filling head 803 all the time to fill the grease; when encountering a position that is not convenient for filling, the filling head 803 can be removed from the placement seat 7, and the staff can hold the filling head 803 to fill the grease. The whole process of filling the grease of the wind turbine can significantly reduce the labor intensity of the staff.

[0044] 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, ordinary technicians in the field should understand that they can still modify the technical solutions recorded 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 grease filling device for a wind turbine, characterized in that: The invention comprises an oil storage tank (1) and a filling cylinder (5) which is slidably arranged on the side thereof and can be raised and lowered. The bottom end of the oil storage tank (1) is provided with a moving wheel (101). The top end of the oil storage tank (1) is provided with a tank cover (2). The top end of the tank cover (2) is provided with a first oil pump (3) for pumping the oil in the oil storage tank (1) into the filling cylinder (5). The top end of the filling cylinder (5) is provided with a cylinder cover (6). The top end of the cylinder cover (6) is provided with a second oil pump (8) for pumping the oil in the filling cylinder (5). The oil outlet end of the second oil pump (8) is provided with a filling head (803). A placement seat (7) for placing the filling head (803) is provided on one side of the bottom of the filling cylinder (5). A liquid level controller (501) is provided on the side of the filling cylinder (5).

2. The wind turbine grease filling device according to claim 1, characterized in that: Two fixed seats (402) are arranged on one side of the oil storage tank (1), an adjusting screw (403) is rotatably arranged between the two fixed seats (402), an adjusting seat (4) is threadedly connected to the rod surface of the adjusting screw (403), the adjusting seat (4) is arranged on one side of the filling cylinder (5) and can be lifted and lowered together with the filling cylinder (5) when the adjusting screw (403) rotates, and a guide rod (404) is also arranged between the two fixed seats (402) and is slidably connected to the adjusting seat (4).

3. The wind turbine grease filling device according to claim 2, characterized in that: A mounting seat (401) is provided at one end of the adjustment seat (4); the inner side of the mounting seat (401) is arranged in an arc shape and is fixedly connected to the outer side of the filling cylinder (5) after being fitted therewith; the mounting seat (401) is connected to the surface of the filling cylinder (5) by means of mounting screws.

4. The grease filling device for a wind turbine according to claim 2, characterized in that: A motor frame (405) is arranged at the top of the fixing seat (402) located at the top, a driving motor (406) is installed at the top of the motor frame (405), and a transmission shaft of the driving motor (406) passes through the motor frame (405) downward and is connected to the top of the adjusting screw (403).

5. The wind turbine grease filling device according to claim 1, characterized in that: An oil inlet pipe (201) is provided on one side of the top end of the tank cover (2), and a sealing cover is threadedly connected to the top end of the oil inlet pipe (201).

6. The wind turbine grease filling device according to any one of claims 1 to 5, characterized in that: The oil suction end of the first oil pump (3) is connected to a first oil suction pipe (301), the end of the first oil suction pipe (301) passes through the tank cover (2) and is placed on the inner bottom of the oil storage tank (1), and the oil outlet end of the first oil pump (3) is connected to a first oil outlet hose (302), the other end of the first oil outlet hose (302) is connected to the interior of the filling cylinder (5).

7. The wind turbine grease filling device according to claim 6, characterized in that: The oil suction end of the second oil pump (8) is connected to a second oil suction pipe (801), the end of the second oil suction pipe (801) passes through the cylinder cover (6) and is placed on the inner bottom of the filling cylinder (5), the oil outlet end of the second oil pump (8) is connected to a second oil outlet hose (802), and the oil outlet end of the second oil pump (8) is connected to the filling head (803) via the second oil outlet hose (802).

8. The wind turbine grease filling device according to claim 1, characterized in that: The surface of the placement seat (7) is provided with a snap-fitting groove (701) adapted to the filling head (803); the placement seat (7) can be snap-fitted to the filling head (803) through the snap-fitting groove (701); the surface of the filling head (803) is provided with two upper and lower spaced limiting plates (804); the two limiting plates (804) can be respectively located on the upper and lower side surfaces of the placement seat (7) when the filling head (803) is snap-fitted into the inside of the snap-fitting groove (701).

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