Oil changing device for gear box of offshore wind turbine

Abstract

The oil changing device for the gear box of the offshore wind turbine comprises a connecting pipe positioning box body installed on the offshore wind turbine, and an oil inlet pipe A and an oil outlet pipe A which are connected with the gear box of the offshore wind turbine are installed in the connecting pipe positioning box body. The ends, away from the offshore wind turbine gearbox, of the oil inlet pipe A and the oil outlet pipe A are fixedly provided with an extending connector A and an embedded connector A on the connecting pipe positioning box body respectively, the connecting pipe positioning box body is movably connected with an oil changing box body in a butt joint mode, and a new oil bin and an old oil bin are arranged in the oil changing box body and connected with a first pump body and a second pump body respectively. The other end of the first pump body and the other end of the second pump body are fixedly provided with an embedded connector B and an extending connector B on the oil change box body respectively, rapid positioning of the oil change box body and the connecting pipe positioning box body is achieved through the butt joint assembly, rapid butt joint of pipelines is achieved through mutual insertion matching of the extending connector and the embedded connector, and then locking is achieved through the locking assembly. The oil changing steps are reduced, and the working efficiency of oil changing of the offshore wind turbine gearbox is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil changing of offshore wind turbine gearboxes, in particular to an offshore wind turbine gearbox oil changing device. Background Art

[0002] The gearbox of an offshore wind turbine is one of the most core components of a wind turbine. Its reliability has a significant impact on the safety of the unit. Once a failure occurs, maintenance and replacement are extremely difficult. In addition, affected by ocean weather and hydrology, the downtime is long. In order to ensure efficient and stable operation of the wind turbine, the lubrication performance of the gearbox must be guaranteed. The lubrication management of the gearbox, especially the oil change of the gearbox, has become an important task that wind power operators cannot ignore.

[0003] The efficiency of connecting the oil pipes of the offshore wind turbine gearbox oil changing device in the prior art needs to be improved. Usually, multiple bolts need to be inserted and multiple pipelines need to be connected, resulting in low efficiency of the offshore wind turbine gearbox oil changing.

[0004] Therefore, in view of the shortcomings of the existing technology, it is necessary to provide an offshore wind turbine gearbox oil changing device to solve the shortcomings of the existing technology. Utility Model Content

[0005] The purpose of the utility model is to avoid the deficiencies of the prior art and provide an offshore wind turbine gearbox oil changing device, which realizes the rapid positioning of the oil change box body and the pipe positioning box body through a docking assembly, and then realizes the rapid docking of the pipeline through the mutual plug-in cooperation of the extended joint and the embedded joint, and then the offshore wind turbine gearbox oil change work can be carried out by locking it through the locking assembly, the oil change steps are reduced, and the working efficiency of the offshore wind turbine gearbox oil change is improved.

[0006] The above-mentioned purpose of the utility model is achieved through the following technical means.

[0007] An offshore wind turbine gearbox oil changing device is provided, comprising a pipe positioning box installed on the offshore wind turbine, an oil inlet pipe A and an oil outlet pipe A connected to the offshore wind turbine gearbox are installed inside the pipe positioning box, and an extended joint A and an embedded joint A are respectively fixedly installed on the pipe positioning box at one end of the oil inlet pipe A and the oil outlet pipe A away from the offshore wind turbine gearbox;

[0008] The connecting pipe positioning box is movably docked with an oil change box, and the oil change box is movably installed with the connecting pipe positioning box through a docking assembly. A new oil tank and an old oil tank are provided inside the oil change box, and the new oil tank and the old oil tank are respectively connected to a first pump body and a second pump body, and the other ends of the first pump body and the second pump body are respectively fixedly installed with an embedded joint B and a protruding joint B on the oil change box.

[0009] Specifically, the embedded connector B and the protruding connector A are plugged together, and the protruding connector B and the embedded connector A are plugged together.

[0010] Preferably, the docking assembly includes a positioning block, two telescopic columns are installed between the positioning block and the oil change box body, a T-shaped slider is fixedly installed on the side of the positioning block away from the telescopic column, a sliding groove is opened on the pipe positioning box body, and the T-shaped slider and the sliding groove are slidably matched.

[0011] Specifically, a locking assembly is installed on the pipe positioning box and the oil change box, and the locking assembly includes a semicircular block A and a semicircular block B. The semicircular block A and the semicircular block B are respectively fixedly installed on the pipe positioning box and the oil change box. The semicircular block A and the semicircular block B correspond to each other and have locking nuts spirally installed on the outside.

[0012] Furthermore, movable wheels are installed at the bottom of the oil change box.

[0013] The utility model realizes the rapid positioning of the oil change box body and the pipe positioning box body through the docking component, and then realizes the rapid docking of the pipeline through the mutual plug-in cooperation of the extended joint and the embedded joint, and then the offshore wind turbine gear box oil change work can be carried out by locking it through the locking component, the oil change steps are reduced, and the working efficiency of the offshore wind turbine gear box oil change is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention is further described with reference to the accompanying drawings, but the contents in the accompanying drawings do not constitute any limitation to the present invention.

[0015] Figure 1 It is a three-dimensional structural schematic diagram of an offshore wind turbine gearbox oil changing device of the utility model.

[0016] Figure 2 The utility model is a three-dimensional perspective structural diagram of a pipe positioning box of an offshore wind turbine gearbox oil changing device.

[0017] Figure 3 The utility model is a three-dimensional perspective structural diagram of an oil changing box body of an offshore wind turbine gear box oil changing device.

[0018] Figure 4 It is an enlarged schematic diagram of point A of the offshore wind turbine gearbox oil changing device of the present invention.

[0019] Figure 5 This is a three-dimensional structural diagram of the locking assembly of the offshore wind turbine gearbox oil changing device of the utility model.

[0020] from Figures 1 to 5 Including:

[0021] 1. Take over the positioning box;

[0022] 2. Oil inlet pipe A;

[0023] 3. Oil drain pipe A;

[0024] 4. Extend connector A;

[0025] 5. Insert connector A;

[0026] 6. Replace the oil tank;

[0027] 7. New oil tank;

[0028] 8. Old oil silo;

[0029] 9. The first pump body;

[0030] 10. Second pump body;

[0031] 11. Embed connector B;

[0032] 12. Extend connector B;

[0033] 13. Docking assembly;

[0034] 131, positioning block, 132, telescopic column, 133, T-shaped slider;

[0035] 14. Chute;

[0036] 15. Locking assembly;

[0037] 151, semicircular block A, 152, semicircular block B, 153, locking nut;

[0038] 16. Moving wheels. DETAILED DESCRIPTION

[0039] The utility model is further described in conjunction with the following embodiments.

[0040] Example 1.

[0041] like Figure 1-5 As shown, the offshore wind turbine gearbox oil changing device comprises a pipe positioning box body 1 installed on the offshore wind turbine, an oil inlet pipe A and an oil discharge pipe A3 connected to the offshore wind turbine gearbox are installed inside the pipe positioning box body 1, and an extending joint A4 and an embedded joint A5 are fixedly installed on the pipe positioning box body 1 at one end of the oil inlet pipe A and the oil discharge pipe A3 away from the offshore wind turbine gearbox.

[0042] The present application is used to replace the lubricating oil of an offshore wind turbine gearbox. First, the pipe positioning box 1 is fixedly installed on the offshore wind turbine, and the oil inlet pipe A and the oil discharge pipe A3 are both connected to the offshore wind turbine gearbox. The butt pipe with a small diameter that needs to be inserted is extended to the outside of the pipe positioning box 1 through the extending joint A4, and the butt pipe with a large diameter that needs to be inserted is reserved inside the pipe positioning box 1 through the embedded joint A5.

[0043] The connecting pipe positioning box 1 is movably docked with an oil change box 6, which is movably installed with the connecting pipe positioning box 1 through a docking assembly 13. A new oil tank 7 and an old oil tank 8 are provided inside the oil change box 6. The new oil tank 7 and the old oil tank 8 are respectively connected to a first pump body 9 and a second pump body 10. The other ends of the first pump body 9 and the second pump body 10 are respectively fixedly installed with an embedded joint B11 and a protruding joint B12 on the oil change box 6.

[0044] The oil change box 6 pumps new lubricating oil into the offshore wind turbine gearbox through the first pump body 9, extracts the old lubricating oil inside the offshore wind turbine gearbox through the second pump body 10, and then plugs into the pipe positioning box 1 through the embedded connector B11 and the extended connector B12 that match the pipe positioning box 1 to achieve complete connection of the oil circuit.

[0045] The embedded connector B11 and the extended connector A4 are plugged together, and the extended connector B12 and the embedded connector A5 are plugged together. The extended plug and the inserted plug are connected to each other, so that the oil change box 6 and the pipe positioning box 1 can be fitted and fixed.

[0046] The docking assembly 13 includes a positioning block 131, two telescopic columns 132 are installed between the positioning block 131 and the oil change box 6, a T-shaped slider 133 is fixedly installed on the side of the positioning block 131 away from the telescopic column 132, and a slide groove 14 is opened on the pipe positioning box 1, and the T-shaped slider 133 and the slide groove 14 are slidably matched.

[0047] The docking assembly 13 can ensure, through the telescopic column 132, that the T-shaped slider 133 and the slide groove 14 are plugged in, so that the movement of the extended connector A4 and the extended plug B before insertion is not hindered.

[0048] A locking assembly 15 is installed on the pipe positioning box 1 and the oil change box 6. The locking assembly 15 includes a semicircular block A151 and a semicircular block B152. The semicircular block A151 and the semicircular block B152 are fixedly installed on the pipe positioning box 1 and the oil change box 6 respectively. The semicircular block A151 and the semicircular block B152 correspond to each other and a locking nut 153 is spirally installed on the outside.

[0049] The locking assembly 15 screws the semicircular block A 151 and the semicircular block B 152 together through the locking nut 153 .

[0050] A moving wheel 16 is installed at the bottom of the oil change box 6 .

[0051] The moving wheels 16 facilitate the movement of the oil change tank 6 .

[0052] The utility model realizes the rapid positioning of the oil change box body and the pipe positioning box body through the docking component, and then realizes the rapid docking of the pipeline through the mutual plug-in cooperation of the extended joint and the embedded joint, and then the offshore wind turbine gear box oil change work can be carried out by locking it through the locking component, the oil change steps are reduced, and the working efficiency of the offshore wind turbine gear box oil change is improved.

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit the protection scope of the utility model. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. Offshore wind turbine gearbox oil changing device, characterized by: It comprises a pipe positioning box installed on an offshore wind turbine, wherein an oil inlet pipe A and an oil outlet pipe A connected to a gearbox of the offshore wind turbine are installed inside the pipe positioning box, and an extended joint A and an embedded joint A are respectively fixedly installed on the pipe positioning box at one end of the oil inlet pipe A and the oil outlet pipe A away from the gearbox of the offshore wind turbine; The pipe positioning box is movably docked with an oil change box, and the oil change box is movably installed with the pipe positioning box through a docking assembly. A new oil tank and an old oil tank are arranged inside the oil change box, and the new oil tank and the old oil tank are respectively connected to a first pump body and a second pump body, and the other ends of the first pump body and the second pump body are respectively fixedly installed with an embedded joint B and a protruding joint B on the oil change box; The docking assembly includes a positioning block, two telescopic columns are installed between the positioning block and the oil change box, a T-shaped slider is fixedly installed on the side of the positioning block away from the telescopic column, a sliding groove is opened on the pipe positioning box, and the T-shaped slider and the sliding groove are slidably matched.

2. The offshore wind turbine gearbox oil changing device according to claim 1, characterized in that: The embedded joint B and the protruding joint A are plugged together, and the protruding joint B and the embedded joint A are plugged together.

3. The offshore wind turbine gearbox oil changing device according to claim 2, characterized in that: A locking assembly is installed on the pipe positioning box and the oil change box, and the locking assembly includes a semicircular block A and a semicircular block B. The semicircular block A and the semicircular block B are fixedly installed on the pipe positioning box and the oil change box, respectively. The semicircular block A and the semicircular block B correspond to each other and have locking nuts spirally installed on the outside.

4. The offshore wind turbine gearbox oil changing device according to claim 3 is characterized in that: The bottom of the oil change box is equipped with moving wheels.

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