Gear box with self-lubricating structure

Abstract

The utility model relates to the technical field of gear boxes, and discloses a gear box with a self-lubricating structure, which comprises a lower shell, an upper shell is arranged at the top of the lower shell, a second connecting plate is fixedly connected to the top of the outer ring of the lower shell, and a first connecting plate is fixedly connected to the bottom of the outer ring of the upper shell. A plurality of bolts penetrate through and are slidably connected to the top of the first connecting plate, nuts penetrate through and are in threaded connection with the bottoms of outer rings of the bolts, an oil storage box is fixedly connected to the top of the upper shell, a top cover is arranged at the top of the oil storage box, an oil outlet pipe penetrates through and is fixedly connected to the bottom of the oil storage box, and a conveying pipe is fixedly connected to the bottom of the oil outlet pipe; and the bottom of the conveying pipe penetrates through and is fixedly connected with a plurality of spray heads. According to the gear lubricating device, lubricating oil is stored through the oil storage box, during lubricating, the lubricating oil is conveyed through the oil outlet pipe and the conveying pipe, and then the lubricating oil is sprayed out through the spray head to lubricate a gear.

Description

Technical Field

[0001] The utility model relates to the technical field of gear boxes, in particular to a gear box with a self-lubricating structure. Background Art

[0002] Gearboxes are widely used, for example, in wind turbines. Gearboxes are an important mechanical component that is widely used in wind turbines. Its main function is to transfer the power generated by the wind rotor to the generator and make it get the corresponding speed.

[0003] After searching, the current Chinese patent announcement number is: CN214007994U, which provides a self-lubricating bevel gearbox. The patent sets the upper and lower bodies of the gearbox as inclined surfaces, and guides the oil thrown out by the oil-slinging plate or the large gear to the vertical box wall supporting the high-speed shaft through the inclined surface, and installs an oil collecting tank on the box wall to collect the lubricating oil. An oil leakage hole is opened at the position of the oil collecting tank corresponding to the high-speed shaft bearing seat, and the lubricating oil is accurately dripped into the bearing chamber for lubrication. This technical solution can fully lubricate the bearings of the high-speed shaft and increase the service life of the reducer.

[0004] Although the above patent can fully lubricate the bearings of the high-speed shaft and improve the service life of the reducer, the above self-lubricating bevel gearbox still has the following problems: the lubricating oil in the oil tank cannot be filtered, resulting in waste of lubricating oil.

[0005] In view of the above problems, a gear box with a self-lubricating structure is proposed. Utility Model Content

[0006] The utility model aims to provide a gear box with a self-lubricating structure, which solves the problem in the background art that the lubricating oil in the oil tank cannot be filtered, resulting in waste of the lubricating oil.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gearbox with a self-lubricating structure, comprising a lower housing, an upper housing is arranged on the top of the lower housing, a second connecting plate is fixedly connected to the top of the outer ring of the lower housing, a first connecting plate is fixedly connected to the bottom of the outer ring of the upper housing, a plurality of bolts are passed through the top of the first connecting plate and slidably connected, a nut is passed through the bottom of the outer ring of the bolt and threadedly connected, an oil storage box is fixedly connected to the top of the upper housing, a top cover is arranged on the top of the oil storage box, an oil outlet pipe is passed through and fixedly connected to the bottom of the oil storage box, a delivery pipe is fixedly connected to the bottom of the oil outlet pipe, a plurality of nozzles are passed through and fixedly connected to the bottom of the delivery pipe, and a filter assembly is arranged on the rear side of the lower housing;

[0008] By adopting the above technical solution, the upper shell and the lower shell are fixed by bolts and nuts, the lubricating oil is stored in the oil storage box, and during lubrication, the lubricating oil is transported through the oil outlet pipe and the delivery pipe, and then sprayed out through the nozzle to lubricate the gears.

[0009] As a further description of the above technical solution: the filter assembly includes a filter box, a filter plate is fixedly connected to the top of the inner wall of the filter box, a plurality of magnetic columns are fixedly connected to the bottom of the inner wall of the filter box, and a second oil pipe is passed through and fixedly connected to the top of the rear side of the filter box;

[0010] By adopting the above technical solution, impurities in the lubricating oil are filtered through the filter plate, and then the magnetic material is adsorbed by the magnetic column to filter the lubricating oil.

[0011] As a further description of the above technical solution: a collecting tray is passed through and fixedly connected to the bottom of the lower shell, and a connecting pipe is passed through and fixedly connected to the bottom of the collecting tray;

[0012] By adopting the above technical solution, the lubricating oil is collected by the collecting plate and then transported by the second oil pump and the connecting pipe.

[0013] As a further description of the above technical solution: the other end of the connecting pipe is fixedly connected to a second oil pump, and the second oil pump is fixedly connected to the second oil pipe;

[0014] By adopting the above technical solution, the lubricating oil is transported through the second oil pump and the connecting pipe, and enters the filter box through the second oil pipe.

[0015] As a further description of the above technical solution: a first oil pump is fixedly connected to the right side of the oil storage box, a first oil pipe is fixedly connected to the right side of the first oil pump, and the first oil pipe penetrates and is fixedly connected to the filter box;

[0016] By adopting the above technical solution, the filtered lubricating oil re-enters the oil storage box through the first oil pump and the first oil pipe.

[0017] As a further description of the above technical solution: a rotating shaft is provided through the top of the lower shell, and a plurality of gears are provided on the outer ring of the rotating shaft;

[0018] By adopting the above technical solution, the rotating shaft and the gear can rotate in the gear box.

[0019] As a further description of the above technical solution: the front side of the outer ring of the rotating shaft is fixedly connected with a bearing, and the bearing penetrates and is fixed to the lower housing;

[0020] By adopting the above technical solution, the rotating shaft is driven to rotate by the bearing.

[0021] As a further description of the above technical solution: bases are fixedly connected to the left and right sides of the bottom of the lower shell.

[0022] By adopting the above technical solution, the gear box is supported by the base.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0024] 1. The utility model provides a gear box with a self-lubricating structure. Lubricating oil is first stored in an oil storage box. During lubrication, the lubricating oil is transported through an oil outlet pipe and a delivery pipe, and then sprayed out through a nozzle to lubricate the gears.

[0025] 2. The utility model provides a gear box with a self-lubricating structure, which collects the lubricating oil in the box body through a collecting plate, transports the lubricating oil through a second oil pump and a connecting pipe, filters impurities in the lubricating oil through a filter plate, and then adsorbs magnetic substances through a magnetic column, thereby reducing the waste of lubricating oil. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0027] Figure 2 It is a rear view of the utility model;

[0028] Figure 3 This is a schematic diagram of the upper shell structure of the utility model;

[0029] Figure 4 This is a schematic diagram of the filter box structure of the utility model.

[0030] In the figure: 1. lower shell; 2. upper shell; 3. rotating shaft; 4. first connecting plate; 5. second connecting plate; 6. oil storage box; 7. top cover; 8. first oil pump; 9. first oil pipe; 10. filter box; 11. second oil pump; 12. second oil pipe; 13. bearing; 14. gear; 15. collecting plate; 16. connecting pipe; 17. magnetic column; 18. bolt; 19. nut; 20. oil outlet pipe; 21. delivery pipe; 22. nozzle; 23. base; 24. filter plate. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0033] Combination Figure 1 and Figure 3 The utility model is a gearbox with a self-lubricating structure, comprising a lower shell 1, an upper shell 2 is arranged on the top of the lower shell 1, a second connecting plate 5 is fixedly connected to the top of the outer ring of the lower shell 1, a first connecting plate 4 is fixedly connected to the bottom of the outer ring of the upper shell 2, a rotating shaft 3 is penetrated and arranged on the top of the lower shell 1, a plurality of gears 14 are arranged on the outer ring of the rotating shaft 3, a bearing 13 is fixedly connected to the front side of the outer ring of the rotating shaft 3, and the bearing 13 is penetrated and fixedly connected to the lower shell 1, a plurality of bolts 18 are penetrated and slidably connected to the top of the first connecting plate 4, a nut 19 is threadedly connected to the bottom of the outer ring of the bolt 18, a base 23 is fixedly connected to the left and right sides of the bottom of the lower shell 1, and the upper shell 2 and the lower shell 1 are fixed by the bolts 18 and the nuts 19.

[0034] Combination Figure 2 and Figure 3 An oil storage box 6 is fixedly connected to the top of the upper shell 2, and a top cover 7 is arranged on the top of the oil storage box 6. An oil outlet pipe 20 passes through and is fixedly connected to the bottom of the oil storage box 6, and a delivery pipe 21 is fixedly connected to the bottom of the oil outlet pipe 20. A plurality of nozzles 22 pass through and are fixedly connected to the bottom of the delivery pipe 21. A first oil pump 8 is fixedly connected to the right side of the oil storage box 6, and a first oil pipe 9 is fixedly connected to the right side of the first oil pump 8, and the first oil pipe 9 passes through and is fixedly connected to the filter box 10. The lubricating oil is stored through the oil storage box 6. During lubrication, the lubricating oil is transported through the oil outlet pipe 20 and the delivery pipe 21, and then sprayed out through the nozzle 22 to lubricate the gear 14. Excess lubricating oil falls to the bottom of the lower shell 1, and the filtered lubricating oil re-enters the oil storage box 6 through the first oil pump 8 and the first oil pipe 9.

[0035] Combination Figure 4 A filter assembly is provided on the rear side of the lower shell 1, and the filter assembly includes a filter box 10, a filter plate 24 is fixedly connected to the top of the inner wall of the filter box 10, and a plurality of magnetic columns 17 are fixedly connected to the bottom of the inner wall of the filter box 10. A second oil pipe 12 is penetrated and fixedly connected to the top of the rear side of the filter box 10, a collecting plate 15 is penetrated and fixedly connected to the bottom of the lower shell 1, and a connecting pipe 16 is penetrated and fixedly connected to the bottom of the collecting plate 15, and a second oil pump 11 is fixedly connected to the other end of the connecting pipe 16, and the second oil pump 11 is fixedly connected to the second oil pipe 12. Excess lubricating oil falls to the bottom of the lower shell 1 and is collected by the collecting plate 15. Then, the lubricating oil is transported by the second oil pump 11 and the connecting pipe 16, and enters the filter box 10 through the second oil pipe 12, and impurities in the lubricating oil are filtered by the filter plate 24, and then the magnetic material is adsorbed by the magnetic columns 17.

[0036] Working principle: When the utility model is in use, the upper shell 2 and the lower shell 1 are first fixed by bolts 18 and nuts 19, and the lubricating oil is stored in the oil storage box 6. During lubrication, the lubricating oil is transported through the oil outlet pipe 20 and the delivery pipe 21, and then sprayed out through the nozzle 22 to lubricate the gear 14. The excess lubricating oil falls on the bottom of the lower shell 1 and is collected by the collecting plate 15. The lubricating oil is then transported by the second oil pump 11 and the connecting pipe 16, and enters the filter box 10 through the second oil pipe 12. The impurities in the lubricating oil are filtered by the filter plate 24, and then the magnetic material is adsorbed by the magnetic column 17. The filtered lubricating oil re-enters the oil storage box 6 through the first oil pump 8 and the first oil pipe 9.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gearbox with a self-lubricating structure, comprising a lower housing (1), characterized in that: An upper shell (2) is arranged on the top of the lower shell (1); a second connecting plate (5) is fixedly connected to the top of the outer ring of the lower shell (1); a first connecting plate (4) is fixedly connected to the bottom of the outer ring of the upper shell (2); a plurality of bolts (18) are passed through the top of the first connecting plate (4) and are slidably connected thereto; nuts (19) are passed through the bottom of the outer ring of the bolts (18) and are threadedly connected thereto; an oil storage box (6) is fixedly connected to the top of the upper shell (2); a top cover (7) is arranged on the top of the oil storage box (6); and a plurality of bolts (18) are passed through the bottom of the outer ring of the bolts (18) and are threadedly connected thereto. An oil outlet pipe (20) is fixedly connected, a delivery pipe (21) is fixedly connected to the bottom of the oil outlet pipe (20), a plurality of nozzles (22) are passed through and fixedly connected to the bottom of the delivery pipe (21), a filter assembly is arranged on the rear side of the lower shell (1), the filter assembly comprises a filter box (10), a filter plate (24) is fixedly connected to the top of the inner wall of the filter box (10), a plurality of magnetic columns (17) are fixedly connected to the bottom of the inner wall of the filter box (10), and a second oil pipe (12) is passed through and fixedly connected to the top of the rear side of the filter box (10).

2. The gearbox with a self-lubricating structure according to claim 1, characterized in that: A collecting tray (15) passes through and is fixedly connected to the bottom of the lower shell (1), and a connecting pipe (16) passes through and is fixedly connected to the bottom of the collecting tray (15).

3. The gearbox with a self-lubricating structure according to claim 2, characterized in that: The other end of the connecting pipe (16) is fixedly connected to a second oil pump (11), and the second oil pump (11) is fixedly connected to a second oil pipe (12).

4. The gearbox with a self-lubricating structure according to claim 1, characterized in that: The right side of the oil storage box (6) is fixedly connected to a first oil pump (8), the right side of the first oil pump (8) is fixedly connected to a first oil pipe (9), and the first oil pipe (9) penetrates and is fixedly connected to a filter box (10).

5. The gear box with a self-lubricating structure according to claim 1, characterized in that: A rotating shaft (3) is provided through the top of the lower housing (1), and a plurality of gears (14) are provided on the outer ring of the rotating shaft (3).

6. The gear box with a self-lubricating structure according to claim 5, characterized in that: The front side of the outer ring of the rotating shaft (3) is fixedly connected with a bearing (13), and the bearing (13) penetrates and is fixedly connected to the lower housing (1).

7. The gear box with a self-lubricating structure according to claim 1, characterized in that: Bases (23) are fixedly connected to the left and right sides of the bottom of the lower shell (1).

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