Gearbox running-in oil filtering device
Patent Information
- Application Number
- CN202522313975.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-31
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-10-31
AI Technical Summary
[0002]动车组列车的轮对采用齿轮箱驱动,而轮对驱动的齿轮箱出厂及维修后,需进行齿轮箱跑合试验,齿轮箱跑合能提高齿轮箱中的齿轮间传动啮合稳定度;每次齿轮箱中跑合测试过程中,都需要填充跑合润滑油脂,齿轮跑合过程中,齿轮磨合会产生金属碎屑;跑合完成后,跑合润滑油脂直接废气,不仅会造成生产成本增高,还对环境造成一定污染
[0003]本发明目的是为了解决上述问题,而提供了一种齿轮箱跑合油过滤装置。
Smart Images

Figure CN224777494U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of auxiliary manufacturing equipment for rail equipment, and specifically relates to a gearbox running-in oil filtration device. Background Technology
[0002] The wheelsets of high-speed trains are driven by gearboxes. After the wheelset-driven gearboxes leave the factory and are repaired, they need to undergo a gearbox running-in test. Gearbox running-in can improve the meshing stability between the gears in the gearbox. During each gearbox running-in test, running-in lubricating grease needs to be filled. During the gear running-in process, metal shavings will be generated during gear wear. After the running-in is completed, the running-in lubricating grease is directly used as waste gas, which not only increases production costs but also causes certain environmental pollution. Summary of the Invention
[0003] The purpose of this invention is to solve the above-mentioned problems by providing a gearbox running-in oil filtration device.
[0004] A gearbox running-in oil filtration device includes: an oil collection tank, a return oil pipe, an oil filter tank, and an oil pump; The oil collection trough is detachably fixed to the oil filter box; the return oil pipe is fixed to one side above the oil collection trough, and one end of the return oil pipe is connected to the oil outlet pipe of the gearbox; an oil trough funnel is provided on the other side of the bottom surface of the oil collection trough; an oil filter comb is provided between the return oil pipe and the oil trough funnel; the oil filter box includes: an oil filter box cover, an oil filter box body, a filter funnel, a first filter plate, and a second filter plate; the oil filter box body is detachably fixed to the oil filter box cover; an oil inlet pipe is provided on the oil filter box cover, and the oil trough funnel is connected to the oil inlet pipe; the filter funnel is fixed in the oil filter box body and corresponds to the bottom of the oil inlet pipe, and a funnel screen is provided at the bottom of the filter funnel; the first filter plate and the second filter plate are vertically fixed in the oil filter box body. The bottom of the oil filter tank is equipped with an oil outlet, which is connected to the gearbox inlet via an oil pump. The oil pump delivers the filtered lubricating grease to the gearbox, and excess lubricating grease in the gearbox is transported to the return oil pipe through a pipeline. The return oil pipe is equipped with a diverter nozzle, which corresponds to the side of the oil filter comb and diverts the lubricating grease. The oil filter comb, funnel screen, first filter plate, and second filter plate perform multi-stage filtration of the lubricating grease.
[0005] The inner bottom surface of one side of the oil collection tank is higher than the inner bottom surface of the other side. The oil filter comb is stepped and is fixed at an angle to the inner bottom surface of the oil collection tank.
[0006] The lower end of the oil collection tank is provided with an oil tank support pipe; the lower end surfaces of the oil tank support pipe are on the same plane; the upper end of the oil filter tank cover is provided with four support columns, and the four oil tank support pipes can be respectively sleeved on the four support columns.
[0007] The oil filter tank cover has an upper cover mating edge, and the upper cover mating edge has multiple upper cover pin through holes with the same structure; the upper end of the oil filter tank body has a tank body upper support edge, and multiple quick-connect pins with the same structure are equidistantly arranged on the tank body upper support edge; the quick-connect pins have pin slots, and pin clips are provided at the pin slots; the quick-connect pins correspond to the upper cover pin through holes, and the quick-connect pins are sleeved in the upper cover pin through holes and fixed to the oil filter tank cover by the pin clips.
[0008] The oil filter box body is provided with a first filter plate fixing frame and a second filter plate fixing frame; both the first filter plate fixing frame and the second filter plate fixing frame are vertically arranged U-shaped brackets; the first filter plate is sleeved in the first filter plate fixing frame, and the second filter plate is sleeved in the second filter plate fixing frame.
[0009] The funnel screen is made of stainless steel and has a sieve aperture of 50μm.
[0010] The first filter plate has a glass fiber pleated filter element on its filter screen; the second filter plate has a carbon fiber cotton core on its filter screen.
[0011] This technical solution provides a gearbox running-in oil filtration device, which includes: an oil collection tank, a return oil pipe, an oil filter box, and an oil pump; the return oil pipe is fixed on one side above the oil collection tank, and one end of the return oil pipe is connected to the oil outlet pipe of the gearbox; an oil trough funnel is provided on the other side of the bottom surface of the oil collection tank; an oil filter comb is provided between the return oil pipe and the oil trough funnel; an oil inlet pipe is provided on one side of the oil filter box, and the oil trough funnel is connected to the oil inlet pipe; a filter funnel is provided below the oil inlet pipe; an oil outlet is provided at the bottom of the oil filter box, and a first filter plate and a second filter plate are vertically fixed between the filter funnel and the oil outlet; the oil filter comb, the funnel screen, the first filter plate and the second filter plate perform multi-stage filtration of the lubricating grease; the oil pump performs multi-stage filtration of the lubricating grease; the oil pump delivers the lubricating grease to the gearbox, and excess lubricating grease in the gearbox is delivered to the return oil pipe through the pipeline. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the overall structure of a gearbox running-in oil filtration device according to this utility model; Figure 2 This is a schematic diagram of the oil collection tank structure of a gearbox running-in oil filtration device according to this utility model; Figure 3 This is a partial schematic diagram of the filter tank of a gearbox running-in oil filtration device according to this utility model; Figure 4 This is a partial enlarged view of the filter tank cover of a gearbox running-in oil filtration device according to this utility model; Figure 5 This is a schematic diagram of the filter tank body structure of a gearbox running-in oil filtration device according to the present invention; Figure 6 This is a partial sectional view of the filter tank of a gearbox running-in oil filtration device according to this utility model; In the diagram: 1. Oil collection tank; 11. Oil filter comb; 12. Oil pipe rack; 13. Oil tank funnel; 14. Oil tank outlet pipe; 15. Oil tank support pipe; 2. Return oil pipe; 21. Return oil pipe interface; 22. Diverter nozzle; 31. Oil filter tank cover; 311. Foot support column; 312. Tank inlet pipe; 313. Top cover mating edge; 314. Top cover pin through hole; 32. Oil filter tank body; 32 1. Upper support edge of the housing; 322. Quick-connect pin; 3221. Pin holder; 323. Pin clip; 325. First funnel support edge; 326. First filter plate fixing bracket; 327. Second filter plate fixing bracket; 328. Oil outlet of the housing; 329. Oil pump fixing part; 33. Filter funnel; 34. First filter plate; 35. Second filter plate; 4. Oil pump; 42. Oil pump outlet. Detailed Implementation
[0013] The technical solution will be further described clearly and completely below with reference to the accompanying drawings. The described embodiments are only a part of the technical solution, not all of the embodiments. All other embodiments obtained by those skilled in the art based on this technical solution without creative effort are within the scope of protection of this utility model.
[0014] Example 1 See Figures 1 to 6 As shown, a gearbox running-in oil filtration device includes: an oil collection tank 1, a return oil pipe 2, an oil filter tank, and an oil pump 4. The inner bottom surface of one side of the oil collecting tank 1 is higher than the inner bottom surface of the other side. The inner bottom surface of the oil collecting tank 1 is provided with a stepped oil filter comb 11, which is inclined. An oil pipe rack 12 is provided on the side of the higher inner bottom surface of the oil collecting tank 1, and the return oil pipe 2 is fixed on the oil pipe rack 12. An oil tank funnel 13 is provided on the other side of the inner bottom surface of the oil collecting tank 1, and an oil tank outlet pipe 14 is provided below the oil tank funnel 13. An oil tank support pipe 15 is provided at the lower end of the oil collecting tank 1. The lower end surface of the oil tank support pipe 15 is on the same plane. The oil filter comb 11 intercepts large metal debris. The return oil pipe 2 is provided with a return oil pipe interface 21 on one side, and the return oil pipe interface 21 is connected to the oil outlet pipe of the gearbox through a return oil delivery pipe; the other side of the return oil pipe 2 is provided with a number of diverter nozzles 22, which are arranged in an equidistant array, and the total oil output of the number of diverter nozzles 22 is twice the oil inlet of the return oil pipe interface 21; the number of diverter nozzles 22 divert the lubricating grease entering from the return oil pipe interface 21.
[0015] The oil filter box includes: an oil filter box cover 31, an oil filter box body 32, a filter funnel 33, a first filter plate 34, and a second filter plate 35; The oil filter tank cover 31 is provided with four support columns 311 at the upper end, and four oil tank support pipes 15 can be respectively sleeved on the four support columns 311; one side of the upper end of the oil filter tank cover 31 is provided with a tank body oil inlet pipe 312; the tank body oil inlet pipe 312 can be sealed and connected with the oil tank outlet pipe 14; the edge of the oil filter tank cover 31 is provided with an upper cover docking edge 313, and multiple upper cover pin through holes 314 are provided on the upper cover docking edge 313, and the multiple upper cover pin through holes 314 are arranged in an equidistant array. The oil filter tank body 32 has a box-type structure, and the volume ratio of the oil filter tank body 32 can be selected according to the size of the gearbox; the minimum internal volume ratio of the oil filter tank body 32 should preferably be 3 times the oil storage capacity inside the gearbox. The upper end of the oil filter box body 32 is provided with a box body upper support edge 321. Multiple quick-connect pins 322 are equally spaced on the box body upper support edge 321. The multiple quick-connect pins 322 have the same structure. The quick-connect pins 322 correspond to the pin rod through holes 314 of the upper cover. Each pin rod through hole 314 of the upper cover is fitted with a quick-connect pin 322. The quick-connect pins 322 are provided with pin rod slots 3221 and pin rod clips 323 at the pin rod slots 3221. The oil filter box body 32 can be detachably fixed to the oil filter box cover 31. The pin clip 323 is a C-shaped metal piece; the quick-connect pin is sleeved in the pin through hole of the upper cover and the oil filter tank cover is fixed by the pin clip.
[0016] The oil filter tank body 32 is provided with a first funnel support 325, a first filter plate fixing frame 326, and a second filter plate fixing frame 327. The first funnel support 325 is located on one side of the shorter side of the tank. The first filter plate fixing frame 326 and the second filter plate fixing frame 327 are both vertically arranged U-shaped supports. The tops of the first funnel support 325, the first filter plate fixing frame 326, and the second filter plate fixing frame 327 are on the same plane. The lower edge of the filter funnel 33 can overlap the top of the first funnel support 325 and the top of the first filter plate fixing frame 326. The tops of both sides of the first filter plate fixing frame 326 and the top of the first funnel support 325 constitute the support of the filter funnel 33. The filter funnel 33 is located below the oil inlet pipe 312 of the tank body. The bottom of the filter funnel 33 is provided with a funnel screen 331. The first filter plate 34 is sleeved in the first filter plate fixing frame 326, and the second filter plate 35 is sleeved in the second filter plate fixing frame 327; the filter screen of the first filter plate 34 is made of glass fiber pleated filter element; the filter screen of the second filter plate 35 is made of carbon fiber cotton core; the first filter plate 34 and the second filter plate 35 divide the oil filter box body 32 into three oil storage chambers; the filter funnel 33 is in the first oil storage chamber, and the returned lubricating grease is placed in the first oil storage chamber, and the lubricating grease is filtered through the first filter plate 34 and the second filter plate 35 in sequence. The funnel screen 331 is made of stainless steel and has a sieve aperture of 50μm. The oil filter tank body 32 has an oil outlet 328 on the other side of its bottom; an oil pump fixing part 329 is provided below the oil filter tank body 32; an oil pump 4 is fixed at the oil pump fixing part 329, and the oil pump inlet of the oil pump 4 is connected to the oil outlet 328 of the tank via a pipeline; the oil pump outlet of the oil pump 4 is connected to the gearbox inlet via a pipeline.
[0017] The gearbox in this technical solution is the drive gearbox of a high-speed train. The oil inlet of the gearbox is located at the bottom of the gearbox, and the oil outlet of the gearbox is located at the top of the gearbox.
[0018] This technical solution involves installing a new or repaired gearbox on front of the wheelset of a high-speed train as an auxiliary device for running-in testing. One end of the return oil pipe is connected to the gearbox's oil outlet pipe; the gearbox's oil inlet is connected to the oil pump outlet 42 of the oil pump 4, which pumps the lubricating grease from the filter tank 32 into the gearbox; the return oil pipe interface 21 is connected to the gearbox's oil outlet pipe via a return oil delivery pipe; after the gearbox is filled with lubricating grease, excess lubricating grease overflows from the gearbox's oil outlet and flows through the return oil pipe... The oil flows from the oil delivery pipe to the return oil pipe 2. Several diverter nozzles 22 of the return oil pipe 2 divert the lubricating grease that enters from the return oil pipe interface 21. The stepped oil filter comb 11 intercepts large gear metal debris. Small gear metal debris is filtered through the funnel screen 331. The lubricating grease that has undergone secondary filtration is then filtered through the first filter plate 34 and the second filter plate 35. The lubricating grease that has undergone multi-stage filtration is then delivered to the gearbox for running-in lubrication. When the lubricating grease is insufficient, it can be replenished from the oil collection tank 1 into the oil filter box.
[0019] The specific embodiments described above do not constitute a limitation on the scope of protection of this invention. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this invention should be included within the scope of protection of this invention.
Claims
1. A gearbox running-in oil filtration device, comprising: Oil collection tank (1), return oil pipe (2), oil filter box, and oil pump (4); characterized in that: The oil collection tank (1) is detachably fixed to the oil filter box; the return oil pipe (2) is fixed on one side above the oil collection tank (1), and one end of the return oil pipe (2) is connected to the oil outlet pipe of the gearbox; an oil tank funnel (13) is provided on the other side of the bottom surface of the oil collection tank (1); an oil filter comb (11) is provided between the return oil pipe (2) and the oil tank funnel (13); the oil filter box includes: an oil filter box cover (31), an oil filter box body (32), a filter funnel (33), a first filter plate (34), and a second filter plate (35). 35); The filter tank body (32) is detachably fixed on the filter tank cover (31); the filter tank cover (31) is provided with a tank inlet pipe (312), and the oil tank funnel (13) is connected to the tank inlet pipe (312); the filter funnel (33) is fixed in the filter tank body (32) and corresponds to the bottom of the tank inlet pipe (312), and the bottom of the filter funnel (33) is provided with a funnel screen (331); the first filter plate (34) and the second filter plate (35) are vertically fixed in the filter tank body (32); The bottom of the filter tank body (32) is provided with a tank outlet (328), which is connected to the gearbox inlet pipeline through the oil pump (4). The oil pump (4) pumps the filtered lubricating grease into the gearbox. The excess lubricating grease in the gearbox is transported to the return oil pipe (2) through the pipeline. The return oil pipe (2) is provided with a diverter (22), which is located on the side of the filter comb (11). The diverter (22) diverts the lubricating grease. The filter comb (11), the funnel screen (331), the first filter plate (34), and the second filter plate (35) perform multi-stage filtration of the lubricating grease.
2. The gearbox running-in oil filtration device according to claim 1, characterized in that: The inner bottom surface of one side of the oil collection tank (1) is higher than the inner bottom surface of the other side. The oil filter comb (11) is stepped and the stepped oil filter comb (11) is fixed at an incline on the inner bottom surface of the oil collection tank (1).
3. The gearbox running-in oil filtration device according to claim 2, characterized in that: The lower end of the oil collection tank (1) is provided with an oil tank support pipe (15); the lower end face of the oil tank support pipe (15) is on the same plane; the upper end of the oil filter tank cover (31) is provided with four foot support columns (311), and the four oil tank support pipes (15) can be respectively sleeved on the four foot support columns (311).
4. The gearbox running-in oil filtration device according to claim 3, characterized in that: The oil filter tank cover (31) has an upper cover mating edge (313) on its edge, and the upper cover mating edge (313) has multiple upper cover pin through holes (314) with the same structure. The upper end of the oil filter tank body (32) has a tank body upper support edge (321), and multiple quick-connect pins (322) with the same structure are provided at equal intervals on the tank body upper support edge (321). The quick-connect pins (322) have pin slots (3221), and pin clips (323) are provided at the pin slots (3221). The quick-connect pins (322) correspond to the upper cover pin through holes (314), and the quick-connect pins (322) are sleeved in the upper cover pin through holes (314) and the oil filter tank cover (31) is fixed by the pin clips (323).
5. The gearbox running-in oil filtration device according to claim 4, characterized in that: The oil filter box body (32) is provided with a first filter plate fixing frame (326) and a second filter plate fixing frame (327); the first filter plate fixing frame (326) and the second filter plate fixing frame (327) are both vertically arranged U-shaped brackets; the first filter plate (34) is sleeved in the first filter plate fixing frame (326), and the second filter plate (35) is sleeved in the second filter plate fixing frame (327).
6. The gearbox running-in oil filtration device according to claim 5, characterized in that: The funnel screen (331) is made of stainless steel and has a sieve aperture of 50 μm.
7. The gearbox running-in oil filtration device according to claim 6, characterized in that: The first filter plate (34) uses a glass fiber pleated filter element for its filter screen; the second filter plate (35) uses a carbon fiber cotton core for its filter screen.