Special filtering device for lubricating oil of wind power gear box

Abstract

The utility model discloses a special filtering device for lubricating oil of a wind power gear box, which belongs to the technical field of wind power gear boxes and comprises a box body, an inlet pipeline is arranged at the top of the box body, a discharge pipeline is arranged at the bottom of the box body, a sealing mechanism is arranged on one side of the top of the box body, and a control mechanism is arranged on one side of the box body. Clamping mechanisms are symmetrically arranged on the control mechanism, a filter screen is arranged between the two clamping mechanisms, mounting plates are arranged on the two sides of the box body, mounting holes are formed in the two mounting plates, the sealing mechanism comprises a sealing top plate, and the sealing top plate is arranged on one side of the top of an inner cavity of the box body. The bottom of the sealing top plate is provided with an electric telescopic rod, the bottom of the electric telescopic rod is provided with a sealing plate, and the problems that after lubricating oil is filtered, chippings are accumulated on a filter screen all the time, after the lubricating oil is filtered, the chippings accumulated on the filter screen are inconvenient to clean, and follow-up filtering work is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of wind power gear boxes, in particular to a special filtering device for lubricating oil of wind power gear boxes. Background Art

[0002] The gearbox in a wind turbine is an important mechanical component. Its main function is to transfer the power generated by the wind rotor to the generator and make it rotate at a corresponding speed. Since the unit is installed in high mountains, wilderness, beaches, islands and other wind outlets, it is subject to irregular wind forces of changing direction and load and the impact of strong gusts. It is affected by extreme heat and cold and extreme temperature differences all year round. In addition, the natural environment is inconvenient for transportation. The gearbox is installed in a small space on the top of the tower. Once a failure occurs, it is very difficult to repair. Therefore, its reliability and service life are much higher than those of general machinery.

[0003] For example, the wind power gearbox filter device with the publication number of CN218644785U comprises a gearbox housing, a gear transmission lubrication bin is arranged in the gearbox housing, a filling port and an oil discharge port are arranged on the gear transmission lubrication bin, a filter screen is arranged in the filling port, a lubricating oil filter bin is arranged on one side of the gear transmission lubrication bin, a pumping pump, a transition bin and a pumping pump are arranged in the lubricating oil filter bin, a filter screen is arranged in the transition bin, an oil inlet pipe extending to the bottom of the gear transmission lubrication bin is arranged at the inlet of the pumping pump, an oil discharge pipe extending to the transition bin at one end is arranged at the outlet of the pumping pump, an oil supply pipe connected to the lower end of the transition bin at one end is arranged at the inlet of the pumping pump, and an oil outlet pipe extending to the upper end of the gear transmission lubrication bin at one end is arranged at the outlet of the pumping pump. The advantage of the utility model compared with the prior art is that the lubricating oil can be circulated and filtered, thereby maximizing the quality of the lubricating oil and thus extending the service life of the wind power gearbox.

[0004] However, the debris after the lubricating oil is filtered will always accumulate on the filter screen. After filtering, the above device is not convenient for cleaning the debris accumulated on the filter screen, which affects the subsequent filtering work. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] Therefore, the purpose of the utility model is to provide a special filtering device for wind turbine gearbox lubricating oil, which can solve the problem that the debris after the lubricating oil is filtered will always accumulate on the filter screen. After filtering, the above device is not convenient to clean the debris accumulated on the filter screen, which affects the subsequent filtering work.

[0007] In order to solve the above technical problems, the utility model provides a special filtering device for lubricating oil of a wind turbine gearbox, adopting the following technical solution: comprising a box body, characterized in that: an inlet pipe is provided on the top of the box body, a discharge pipe is provided on the bottom of the box body, a sealing mechanism is provided on one side of the top of the box body, a control mechanism is provided on one side of the box body, clamping mechanisms are symmetrically arranged on the control mechanism, and a filter screen is provided between two groups of the clamping mechanisms.

[0008] Optionally, mounting plates are provided on both sides of the box body, and mounting holes are provided on two groups of mounting plates.

[0009] By adopting the above technical solution, the filter device is fixed on the gear box.

[0010] Optionally, the sealing mechanism includes a sealing top plate, which is arranged on one side of the top of the inner cavity of the box body, an electric telescopic rod is provided at the bottom of the sealing top plate, and a sealing plate is provided at the bottom of the electric telescopic rod.

[0011] By adopting the above technical solution, the box body is sealed.

[0012] Optionally, a sealing opening is provided on one side of the box body, the sealing plate is located in the sealing opening, a sealing groove is provided in the box body, the bottom of the sealing groove is connected to the sealing opening, the electric telescopic rod is located in the sealing groove, a placement groove is provided in the box body, the top of the placement groove is connected to the sealing opening, and the bottom of the sealing plate is inserted in the placement groove.

[0013] By adopting the above technical solution, the sealing plate is installed and fixed.

[0014] Optionally, the control mechanism includes a control screw, a control groove is opened on one side of the inner cavity of the box body, one side of the control screw is rotatably connected in the control groove, and the other side of the control screw is fixedly connected with a control handle, the control screw is a forward and reverse screw, and two groups of control slides compatible with the control groove are threaded on the control screw, and the two groups of control slides are both slidably connected in the control groove, and the clamping mechanism includes a clamping slide.

[0015] By adopting the above technical solution, the two groups of clamping mechanisms are controlled to move closer to each other, so as to clamp and fix the filter screen.

[0016] Optionally, one side of the clamping slide is connected to the control slide, one side of the clamping slide is provided with two groups of clamping side plates, and one side of the two groups of clamping side plates are provided with two groups of clamping plates.

[0017] By adopting the above technical solution, the filter screen is clamped and fixed.

[0018] Optionally, a collecting frame is provided on the top of the filter screen.

[0019] By adopting the above technical solution, the debris on the lubricating oil is collected.

[0020] In summary, the utility model includes at least one of the following beneficial effects: by setting up a control mechanism, when debris accumulates on the filter net, the sealing mechanism is opened, and the rotating control mechanism drives the two sets of clamping mechanisms to cancel the clamping and fixation of the filter net, and the filter net is taken out of the box and cleaned to prevent the debris accumulated on the filter net from affecting the subsequent filtering work. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the side section structure of the utility model;

[0024] Figure 3 It is a schematic diagram of the control mechanism and clamping mechanism structure of the utility model;

[0025] Figure 4 It is a cross-sectional structural diagram of the control mechanism of the utility model;

[0026] Figure 5 This is a schematic diagram of the filter structure of the utility model.

[0027] Explanation of the accompanying drawings: 1. Box body; 101. Mounting plate; 102. Mounting hole; 103. Sealing port; 1031. Placement slot; 104. Sealing slot; 105. Control slot; 2. Inlet pipe; 3. Discharge pipe; 4. Sealing mechanism; 401. Sealing top plate; 402. Electric telescopic rod; 403. Sealing plate; 5. Control mechanism; 501. Control handle; 502. Control screw rod; 503. Control slide plate; 6. Clamping mechanism; 601. Clamping slide plate; 602. Clamping side plate; 603. Clamping plate; 7. Filter; 701. Collection frame. DETAILED DESCRIPTION

[0028] The following is combined with Figure 1-5 The utility model is described in further detail.

[0029] Embodiment 1, refer to Figure 1-2 In order to solve the problem that debris after filtering the lubricating oil will always accumulate on the filter screen, the above device is not convenient to clean the debris accumulated on the filter screen after filtering, which affects the subsequent filtering work, the utility model discloses a special filtering device for lubricating oil of a wind power gear box, including a box body 1, characterized in that: an inlet pipe 2 is provided on the top of the box body 1, a discharge pipe 3 is provided at the bottom of the box body 1, a sealing mechanism 4 is provided on one side of the top of the box body 1, a control mechanism 5 is provided on one side of the box body 1, a clamping mechanism 6 is symmetrically arranged on the control mechanism 5, and a filter screen 7 is provided between the two groups of clamping mechanisms 6.

[0030] Based on the above features, the working principle of this embodiment is: when in use, the inlet pipe 2 is connected to the oil outlet of the gear box, and the discharge pipe 3 is connected to the oil inlet of the gear box. The lubricating oil enters the box body 1 through the inlet pipe 2, and is filtered through the filter screen 7. The filtered lubricating oil enters the gear box through the discharge pipe 3. After use, the sealing mechanism 4 is opened, and the forward rotation control mechanism 5 drives the two groups of clamping mechanisms 6 to move away from each other, cancels the clamping and fixing of the filter screen 7, takes the filter screen 7 out of the box body 1, cleans the debris accumulated on the filter screen 7, and then places the filter screen 7 between the two groups of clamping mechanisms 6, and the reverse rotation control mechanism 5 drives the two groups of clamping mechanisms 6 to move closer to each other, clamps and fixes the filter screen 7, closes the sealing mechanism 4 to seal the box body 1, and completes the cleaning of the filter screen 7.

[0031] Example 2, refer to Figure 2-5In this embodiment, in order to solve the problem that the debris after the lubricating oil is filtered will always accumulate on the filter screen, the above device is not convenient to clean the debris accumulated on the filter screen after filtering, which affects the subsequent filtering work. Based on the same concept as the above embodiment 1, the special filtering device for lubricating oil of a wind power gearbox also includes mounting plates 101 on both sides of the box body 1, and mounting holes 102 are provided on the two sets of mounting plates 101. The sealing mechanism 4 includes a sealing top plate 401, which is arranged on one side of the top of the inner cavity of the box body 1. An electric telescopic rod 402 is provided at the bottom of the sealing top plate 401, and a sealing plate 403 is provided at the bottom of the electric telescopic rod 402. A sealing port 103 is opened on one side of the box body 1, and the sealing plate 403 is located in the sealing port 103. A sealing groove 104 is opened in the box body 1, and the bottom of the sealing groove 104 is connected to the sealing port 103, and the electric telescopic rod 402 is located in the sealing groove 104. A placement groove 1031 is provided in the box body 1, the top of the placement groove 1031 is connected to the sealing port 103, the bottom of the sealing plate 403 is inserted into the placement groove 1031, the control mechanism 5 includes a control screw rod 502, a control groove 105 is provided on one side of the inner cavity of the box body 1, one side of the control screw rod 502 is rotatably connected to the control groove 105, and the other side of the control screw rod 502 is fixedly connected with a control handle 501, and the control screw rod 502 is a forward and reverse screw rod. Two groups of control slides 503 compatible with the control groove 105 are screwed on the screw rod 502, and the two groups of control slides 503 are slidably connected in the control groove 105. The clamping mechanism 6 includes a clamping slide 601, one side of the clamping slide 601 is connected to the control slide 503, one side of the clamping slide 601 is provided with two groups of clamping side plates 602, and one side of the two groups of clamping side plates 602 is provided with two groups of clamping plates 603, and the top of the filter screen 7 is provided with a collecting frame 701.

[0032] Based on the above features, the working principle of this embodiment is as follows: the electric telescopic rod 402 can be extended and retracted when powered on, and the electric telescopic rod 402 is controlled to shorten, driving the sealing plate 403 to move upward, and the sealing plate 403 moves from the sealing port 103 to the sealing groove 104, and the control handle 501 is rotated forward to drive the control screw rod 502 to rotate, and the control screw rod 502 drives the two groups of control slide plates 503 to rotate. Under the limit of the control groove 105, the control screw rod 502 is a forward and reverse screw rod, and the two groups of control slide plates 503 move away from each other, and the two groups of control slide plates 503 respectively drive the two groups of clamping slide plates 601 to move away from each other, thereby canceling the clamping and fixing of the filter screen 7. The filter screen 7 is taken out from the box body 1 through the sealing opening 103, and the debris on the filter screen 7 is cleaned. The cleaned filter screen 7 is placed between the two groups of clamping mechanisms 6, and the control handle 501 is rotated in the opposite direction to drive the control screw rod 502 to rotate. The control screw rod 502 drives the two groups of control slide plates 503 to move closer to each other, and the two groups of hole slide plates 503 respectively drive the two groups of clamping slide plates 601 to move closer to each other to clamp and fix the filter screen 7, and the electric telescopic rod 402 is controlled to extend to drive the sealing plate 403 to move downward, and the sealing plate 403 moves from the sealing groove 104 to the sealing opening 103 to seal the box body 1, and the cleaning of the filter screen 7 is completed.

[0033] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A special filtering device for lubricating oil of a wind turbine gearbox, comprising a housing (1), characterized in that: The top of the box body (1) is provided with an inlet pipe (2), the bottom of the box body (1) is provided with a discharge pipe (3), one side of the top of the box body (1) is provided with a sealing mechanism (4), one side of the box body (1) is provided with a control mechanism (5), the control mechanism (5) is symmetrically provided with clamping mechanisms (6), and a filter screen (7) is provided between two groups of the clamping mechanisms (6).

2. The special filtering device for lubricating oil of a wind turbine gearbox according to claim 1, characterized in that: Mounting plates (101) are provided on both sides of the box body (1), and mounting holes (102) are provided on both sets of the mounting plates (101).

3. The special filtering device for lubricating oil of a wind turbine gearbox according to claim 1, characterized in that: The sealing mechanism (4) comprises a sealing top plate (401), the sealing top plate (401) being arranged on one side of the top of the inner cavity of the box body (1), an electric telescopic rod (402) being arranged at the bottom of the sealing top plate (401), and a sealing plate (403) being arranged at the bottom of the electric telescopic rod (402).

4. The special filtering device for lubricating oil of a wind turbine gearbox according to claim 3 is characterized in that: A sealing opening (103) is provided on one side of the box body (1), the sealing plate (403) is located in the sealing opening (103), a sealing groove (104) is provided in the box body (1), the bottom of the sealing groove (104) is connected to the sealing opening (103), the electric telescopic rod (402) is located in the sealing groove (104), a placement groove (1031) is provided in the box body (1), the top of the placement groove (1031) is connected to the sealing opening (103), and the bottom of the sealing plate (403) is inserted into the placement groove (1031).

5. The special filtering device for lubricating oil of a wind turbine gearbox according to claim 1, characterized in that: The control mechanism (5) comprises a control screw (502), a control groove (105) is provided on one side of the inner cavity of the box body (1), one side of the control screw (502) is rotatably connected in the control groove (105), and the other side of the control screw (502) is fixedly connected with a control handle (501), the control screw (502) is a forward and reverse screw, and two groups of control slide plates (503) adapted to the control groove (105) are screwed on the control screw (502), and the two groups of control slide plates (503) are slidably connected in the control groove (105), and the clamping mechanism (6) comprises a clamping slide plate (601).

6. The special filtering device for lubricating oil of a wind turbine gearbox according to claim 5, characterized in that: One side of the clamping slide plate (601) is connected to the control slide plate (503), one side of the clamping slide plate (601) is provided with two groups of clamping side plates (602), and one side of the two groups of clamping side plates (602) is provided with two groups of clamping plates (603).

7. The special filtering device for lubricating oil of a wind turbine gearbox according to claim 1, characterized in that: A collecting frame (701) is provided on the top of the filter screen (7).

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