Lubricating oil injection device for speed reducer

Abstract

The utility model belongs to the technical field of speed reducers, and particularly relates to a lubricating oil filling device for a speed reducer, which comprises a casing, a motor, a speed reducing mechanism and a lubricating oil filling mechanism, the motor and the speed reducing mechanism are arranged in the casing, and an output shaft of the motor is connected with the speed reducing mechanism. The lubricating oil filling mechanism is arranged on the shell and matched with the speed reducing mechanism. The lubricating oil filling mechanism comprises a first hollow ring, a second hollow ring, a filtering box, a connecting ring, a plurality of atomizing nozzles and a conveying pump. The lubricating device is reasonable in design, easy to operate and convenient to use, lubricating oil can be conveniently injected into the speed reducer shell, meanwhile, the circulating and flowing efficiency of the lubricating oil in the speed reducer shell can be improved, the lubricating effect is effectively improved, the lubricating oil in use can be filtered to remove impurities, and the service life of the lubricating oil is prolonged. The problems of abrasion and faults caused by insufficient lubrication in the use process of the speed reducer are effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of reducers, in particular to a lubricating oil injection device for reducers. Background Art

[0002] In the field of mechanical transmission, as a common power transmission device, the stable operation and long life of the reducer are crucial to the overall performance of the mechanical equipment.

[0003] During the use of the reducer, due to the existence of friction and wear, lubricating oil needs to be regularly added to ensure the normal operation of the reducer. The traditional oil filling method is often to simply inject the lubricating oil into the reducer housing, which often leads to uneven oil filling and affects the lubrication effect. At the same time, the lubricating oil is stirred when the internal components of the reducer are working to achieve the lubrication effect of the internal components of the reducer. The lubricating oil needs to be kept at an optimal liquid level to achieve normal lubrication effect. Long-term work will easily cause impurities to mix into the lubricating oil and affect the lubrication effect, and even cause the reducer to malfunction. Therefore, the utility model proposes a lubricating oil filling device for a reducer to solve the above problems.

[0004] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings mentioned in the above background technology and to propose a lubricating oil injection device for a reducer.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a lubricating oil injection device for a reducer, comprising a housing, a motor, a reduction mechanism and a lubricating oil injection mechanism;

[0007] The motor and the reduction mechanism are both arranged in the housing, and the output shaft of the motor is connected to the reduction mechanism, and the lubricating oil filling mechanism is arranged on the housing and adapted to the reduction mechanism;

[0008] The lubricating oil filling mechanism comprises a hollow ring 1, a hollow ring 2, a filter box, a connecting ring, a plurality of atomizing nozzles and a delivery pump;

[0009] The hollow ring one and the hollow ring two are both sealed and rotatably mounted on the outside of the shell and are coaxially arranged, the connecting ring is fixedly mounted between the hollow ring one and the hollow ring two, the filter box is fixedly mounted on the connecting ring and is connected with the hollow ring two, and a filling pipe with a control valve is fixedly mounted on the filter box, the delivery pump is fixedly mounted in the filter box, and the water outlet of the delivery pump is connected with the hollow ring one, a plurality of atomizing nozzles are fixedly mounted on the inner wall of the shell, and the plurality of atomizing nozzles are all adapted to the speed reduction mechanism, annular openings and arc-shaped openings are respectively provided on the inner circumferential surfaces of the hollow ring one and the hollow ring two, and the annular openings are connected with the inlets of the plurality of atomizing nozzles, a plurality of reflux holes are provided on the inner wall of the shell, and the arc-shaped openings are connected with the corresponding reflux holes.

[0010] Preferably, the reduction mechanism includes bevel gear 1, bevel gear 2, rotating shaft 1, rotating shaft 2, multiple transmission gears, driven gears and a toothed disc. Two support blocks are fixedly installed on the inner wall of the shell. Rotating shaft 2 and rotating shaft 1 are rotatably installed on the inner wall of the shell and the support block located on the right side respectively. A toothed disc coaxially arranged with rotating shaft 1 and rotating shaft 2 is rotatably installed on the inner wall of the shell. A driven gear is fixedly sleeved on one end of rotating shaft 2. Multiple transmission gears meshing with the toothed disc and the driven gear are rotatably installed on the support block located on the left side. Bevel gear 2 and bevel gear 1 are fixedly sleeved on rotating shaft 1 and the output shaft of the motor respectively, and bevel gear 2 is meshed with bevel gear 1. One end of rotating shaft 1 away from bevel gear 2 is fixedly connected to the toothed disc and is located on the axis of the toothed disc.

[0011] Preferably, the support block is provided with a plurality of grooves near the inner wall of the shell.

[0012] Preferably, a filter cartridge is fixedly installed in the filter box, and the position where the hollow ring 2 is connected to the filter box and the water inlet of the delivery pump are respectively located on the inner side and the outer side of the filter cartridge.

[0013] Preferably, the outlet of the atomizing nozzle faces the transmission gear, the gear plate and the driven gear.

[0014] Preferably, a partition is sealed and fixedly mounted on the inner wall of the filter box, the delivery pump is fixedly mounted on a side of the partition away from the filter cartridge, and the water inlet of the delivery pump extends to a side of the partition close to the filter cartridge.

[0015] Preferably, a sealed bearing is provided on the fixed sleeve of the second rotating shaft, and the second rotating shaft is rotatably mounted on the inner wall of the housing through the sealed bearing.

[0016] Preferably, the diameter of the bevel gear one is smaller than the diameter of the bevel gear two.

[0017] The beneficial effects of the utility model are:

[0018] The lubricating oil injection device for the reducer of the utility model can realize the deceleration effect of the rotating shaft 2 when the motor is working through the design of the deceleration mechanism, thereby improving the operating stability of the reducer; through the design of the lubricating oil filling mechanism, the lubricating oil can be sprayed toward the gear plate, the transmission gear and the driven gear when the delivery pump delivers the lubricating oil into the hollow ring 1, thereby effectively improving the lubrication effect, and at the same time, the lubricating oil in the shell will enter the filter box through the reflux pipe and the arc-shaped opening through the hollow ring 2, and will be extracted by the delivery pump and delivered to the hollow ring 1 after being filtered by the filter element, effectively avoiding the wear of the internal components of the reducer caused by impurities in the lubricating oil, thereby improving the service life of the reducer, and the provision of the filling pipe also facilitates the filling and discharge of the lubricating oil into the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 This is a three-dimensional structural schematic diagram of a lubricating oil injection device for a reducer proposed by the utility model;

[0021] Figure 2 This is a partial three-dimensional structural schematic diagram of a lubricating oil injection device for a reducer proposed by the utility model;

[0022] Figure 3 for Figure 2 Schematic diagram of the local three-dimensional structure;

[0023] Figure 4 It is a three-dimensional structural schematic diagram of the hollow ring 1, the hollow ring 2, the annular opening, the arc opening and the connecting ring part proposed by the utility model;

[0024] Figure 5 This is a schematic cross-sectional view of a lubricating oil injection device for a reducer proposed by the utility model;

[0025] Figure 6 The utility model is a schematic structural diagram of part A of a lubricating oil injection device for a reducer.

[0026] In the figure: 1. housing; 11. support block; 12. atomizing nozzle; 13. reflux hole; 2. motor; 21. rotating shaft 1; 22. bevel gear 1; 23. bevel gear 2; 24. toothed disc; 25. transmission gear; 26. rotating shaft 2; 27. driven gear; 3. hollow ring 1; 301. annular opening; 31. hollow ring 2; 311. arc opening; 32. connecting ring; 4. filter box; 41. delivery pump; 42. filter cartridge. DETAILED DESCRIPTION

[0027] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of 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.

[0028] Reference Figure 1-6A lubricating oil injection device for a reducer includes a housing 1, a motor 2, a reduction mechanism, a hollow ring 1 3, a hollow ring 2 31, a connecting ring 32, a filter box 4, a delivery pump 41 and an atomizing nozzle 12. The motor 2 is fixedly mounted on the inner wall of the housing 1. The reduction mechanism includes a bevel gear 1 22, a bevel gear 23, a rotating shaft 1 21, a rotating shaft 26, a plurality of transmission gears 25, a driven gear 27 and a toothed disc 24. Two support blocks 11 are fixedly mounted on the inner wall of the housing 1. The inner wall of the housing 1 and the support blocks 11 on the right side are fixedly mounted on the inner wall of the housing 1. The support block 11 is rotatably mounted with a second shaft 26 and a first shaft 21, and a toothed disc 24 coaxially arranged with the first shaft 21 and the second shaft 26 is rotatably mounted on the inner wall of the housing 1. A driven gear 27 is fixedly sleeved at one end of the second shaft 26. A plurality of transmission gears 25 meshing with the toothed disc 24 and the driven gear 27 are rotatably mounted on the support block 11 on the left side. A bevel gear 23 and a bevel gear 1 22 are fixedly sleeved on the first shaft 21 and the output shaft of the motor 2, and the bevel gear 23 and the bevel gear 1 22 are interlocked. The end of the rotating shaft 1 21 away from the bevel gear 23 is fixedly connected to the toothed disc 24 and is located on the axis of the toothed disc 24, which can make the rotating shaft 26 achieve a deceleration effect when the motor 2 is working. The hollow ring 1 3 and the hollow ring 2 31 are respectively fixedly installed on both sides of the connecting ring 32, and the hollow ring 1 3 and the hollow ring 2 31 are both kept in a sealed rotation connection state with the outer side of the housing 1. The filter box 4 is fixedly installed on the connecting ring 32 and communicated with the hollow ring 2 31, and a filling pipe with a control valve is fixedly installed on the filter box 4. The delivery pump 41 is fixedly installed in the filter box 4, and the water outlet of the delivery pump 41 is connected to the hollow ring 1 3. A plurality of atomizing nozzles 12 are fixedly installed on the inner wall of the shell 1, and the plurality of atomizing nozzles 12 are all adapted to the reduction mechanism. An annular opening 301 and an arc-shaped opening 311 are respectively provided on the inner circumference of the hollow ring 1 3 and the hollow ring 2 31, and the annular opening 301 is connected to the inlet of the plurality of atomizing nozzles 12. A plurality of reflux holes 13 are provided on the inner wall of the shell 1, and the arc-shaped opening 311 is connected to the corresponding reflux holes 13.

[0029] Through the design of the speed reduction mechanism, the rotating shaft 26 can achieve a speed reduction effect when the motor 2 is working, thereby improving the operating stability of the speed reducer. Through the design of the lubricating oil filling mechanism, the lubricating oil can be sprayed toward the gear plate 24, the transmission gear 25 and the driven gear 27 when the delivery pump 41 delivers the lubricating oil into the hollow ring 1 3, thereby effectively improving the lubrication effect. At the same time, the lubricating oil in the housing 1 will enter the filter box 4 through the reflux pipe and the arc-shaped opening 311 through the hollow ring 2 31, and will be extracted by the delivery pump 41 and delivered to the hollow ring 1 3 after being filtered by the filter element, thereby effectively avoiding the wear of the internal components of the speed reducer caused by impurities in the lubricating oil, thereby improving the service life of the speed reducer. The provision of the filling pipe also facilitates the filling and discharge of lubricating oil into the housing 1.

[0030] In this embodiment, a plurality of grooves are provided at positions of the support block 11 close to the inner wall of the shell 1 to facilitate the free passage of the lubricating oil in the shell 1. A filter cartridge 42 is fixedly installed in the filter box 4, and the position where the hollow ring 31 is connected to the filter box 4 and the water inlet of the delivery pump 41 are respectively located on the inner and outer sides of the filter cartridge 42, which can provide a filtering effect for the lubricating oil extracted by the delivery pump 41.

[0031] In this embodiment, the outlet of the atomizing nozzle 12 is directed toward the transmission gear 25, the toothed disc 24 and the driven gear 27, so that the lubricating oil can be sprayed toward the toothed disc 24, the transmission gear 25 and the driven gear 27 when the delivery pump 41 delivers the lubricating oil into the hollow ring 3, thereby effectively improving the lubrication effect.

[0032] In this embodiment, a partition is sealed and fixedly installed on the inner wall of the filter box 4, the delivery pump 41 is fixedly installed on the side of the partition away from the filter cartridge 42, and the water inlet of the delivery pump 41 extends to the side of the partition close to the filter cartridge 42, which can prevent the delivery pump 41 from being immersed in the lubricating oil and provide stable support for the delivery pump 41.

[0033] In this embodiment, a sealed bearing is fixedly provided on the rotating shaft 26, and the rotating shaft 26 is rotatably installed on the inner wall of the shell 1 through the sealed bearing, which can prevent the lubricating oil in the shell 1 from overflowing from the connection between the rotating shaft and the shell 1. The diameter of the bevel gear 1 22 is smaller than the diameter of the bevel gear 23, which can provide a deceleration effect on the rotating shaft 1 21 when the motor 2 is working.

[0034] Working principle: When in use, first turn on the power supply and add a proper amount of lubricating oil into the filter box 4 through the filling pipe, then start the delivery pump 41, the delivery pump 41 delivers the lubricating oil in the filter box 4 to the atomizing nozzle 12 through the hollow ring 1 3, and sprays it from the atomizing nozzle 12 to the gear plate 24, the transmission gear 25 and the driven gear 27, so as to lubricate the gear plate 24, the transmission gear 25 and the driven gear 27. At the same time, the lubricating oil will flow from the arc-shaped mouth 311 to the reflux hole 13, and then flow back to the filter box 4 through the hollow ring 2 31, so as to realize the recycling of the lubricating oil and the filtering and impurity removal of the lubricating oil.

[0035] The circuits, electronic components and module structures involved all adopt existing technologies, which can be fully implemented by those skilled in the art. Needless to say, the content protected by this application does not involve improvements to software, circuits and methods.

[0036] The above is a detailed introduction to a lubricating oil injection device for a reducer provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A lubricating oil injection device for a reducer, characterized in that: It comprises a housing (1), a motor (2), a speed reduction mechanism and a lubricating oil filling mechanism; The motor (2) and the speed reduction mechanism are both arranged in the housing (1), and the output shaft of the motor (2) is connected to the speed reduction mechanism; the lubricating oil filling mechanism is arranged on the housing (1) and is compatible with the speed reduction mechanism; The lubricating oil filling mechanism comprises a hollow ring 1 (3), a hollow ring 2 (31), a filter box (4), a connecting ring (32), a plurality of atomizing nozzles (12) and a delivery pump (41); The hollow ring 1 (3) and the hollow ring 2 (31) are both sealed and rotatably mounted on the outside of the housing (1) and are coaxially arranged. The connecting ring (32) is fixedly mounted between the hollow ring 1 (3) and the hollow ring 2 (31). The filter box (4) is fixedly mounted on the connecting ring (32) and is in communication with the hollow ring 2 (31). A filling pipe provided with a control valve is fixedly mounted on the filter box (4). The delivery pump (41) is fixedly mounted in the filter box (4), and a water outlet of the delivery pump (41) is connected to the hollow ring 1 (3). ), a plurality of atomizing nozzles (12) are fixedly mounted on the inner wall of the shell (1), and the plurality of atomizing nozzles (12) are all compatible with the deceleration mechanism; an annular opening (301) and an arc-shaped opening (311) are respectively provided on the inner circumference of the hollow ring one (3) and the hollow ring two (31), and the annular opening (301) is connected to the inlet of the plurality of atomizing nozzles (12); a plurality of reflow holes (13) are provided on the inner wall of the shell (1), and the arc-shaped opening (311) is connected to the corresponding reflow holes (13).

2. The lubricating oil injection device for a reducer according to claim 1, characterized in that: The speed reduction mechanism comprises a bevel gear 1 (22), a bevel gear 2 (23), a rotating shaft 1 (21), a rotating shaft 2 (26), a plurality of transmission gears (25), a driven gear (27) and a toothed disc (24); two support blocks (11) are fixedly mounted on the inner wall of the housing (1); the rotating shaft 2 (26) and the rotating shaft 1 (21) are rotatably mounted on the inner wall of the housing (1) and the support block (11) located on the right side, respectively; and a toothed disc (24) coaxially arranged with the rotating shaft 1 (21) and the rotating shaft 2 (26) is rotatably mounted on the inner wall of the housing (1); A driven gear (27) is fixedly sleeved on one end of the second rotating shaft (26); a plurality of transmission gears (25) meshing with the toothed disc (24) and the driven gear (27) are rotatably mounted on the support block (11) located on the left side; a bevel gear (23) and a bevel gear (22) are fixedly sleeved on the first rotating shaft (21) and the output shaft of the motor (2), respectively; the bevel gear (23) and the bevel gear (22) are meshed; an end of the first rotating shaft (21) away from the bevel gear (23) is fixedly connected to the toothed disc (24) and is located on the axis of the toothed disc (24).

3. The lubricating oil injection device for a reducer according to claim 2, characterized in that: The support block (11) is provided with a plurality of grooves at a position close to the inner wall of the shell (1).

4. The lubricating oil injection device for a reducer according to claim 1, characterized in that: A filter cartridge (42) is fixedly installed in the filter box (4), and the position where the hollow ring 2 (31) communicates with the filter box (4) and the water inlet of the delivery pump (41) are located on the inner side and the outer side of the filter cartridge (42) respectively.

5. The lubricating oil injection device for a reducer according to claim 2, characterized in that: The outlet of the atomizing nozzle (12) faces the transmission gear (25), the toothed disc (24) and the driven gear (27).

6. The lubricating oil injection device for a reducer according to claim 4, characterized in that: A partition is sealed and fixedly mounted on the inner wall of the filter box (4), a delivery pump (41) is fixedly mounted on a side of the partition away from the filter cartridge (42), and a water inlet of the delivery pump (41) extends to a side of the partition close to the filter cartridge (42).

7. The lubricating oil injection device for a reducer according to claim 2, characterized in that: The fixed sleeve on the second rotating shaft (26) is provided with a sealed bearing, and the second rotating shaft (26) is rotatably mounted on the inner wall of the housing (1) via the sealed bearing.

8. The lubricating oil injection device for a reducer according to claim 2, characterized in that: The diameter of the bevel gear one (22) is smaller than the diameter of the bevel gear two (23).

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