CN218953997U

CN218953997U - New energy high-speed reducer initiative lubricating system and gear motor

Info

Publication number: CN218953997U
Application number: CN202222867947.5U
Authority: CN
Inventors: 刘蕾; 钱学成; 刘召磊; 王小东
Original assignee: Jee Automation Equipment Shanghai Co ltd
Current assignee: Jee Automation Equipment Shanghai Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-05-02
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a new energy high-speed reducer active lubrication system and a gear motor, wherein the active lubrication system comprises: a speed reducer housing and a mechanical pump assembly; the mechanical pump assembly is fixedly arranged in the speed reducer shell, and a driving shaft of the mechanical pump assembly is in power connection with an output shaft of the speed reducer. In this application, mechanical pump assembly is as oil supply unit provides lubricating oil to each part and carries out initiative lubrication, compares the electronic pump, in this application mechanical pump assembly directly obtains power from the reduction gear, need not extra power supply and control, has reduced reduction gear system complexity and development cost.

Description

New energy high-speed reducer initiative lubricating system and gear motor

Technical Field

The utility model relates to the technical field of motor reducers, in particular to a new energy source high-speed reducer active lubrication system and a speed reducing motor.

Background

In a new energy vehicle such as an electric vehicle, the rotational speed of the input end of the speed reducer is generally 10000rpm or more, and the rotational speed of the input end of the speed reducer is high, so that the lubrication and cooling requirements of the input end of the speed reducer are higher.

Chinese patent CN207093734U discloses a lubrication system of a speed reducer, including a speed reducer, an oil pump and an oil cooler, the speed reducer includes a housing and a power input shaft, the oil pump is located outside the housing, a lubricating oil circulation pipeline is provided between the oil pump and the speed reducer, the lubricating oil circulation pipeline includes an oil inlet pipe and an oil return pipe, the oil pump pumps out the lubricating oil of the speed reducer through the oil inlet pipe and sprays the pumped lubricating oil to a kinematic pair of the housing through the oil return pipe, the oil cooler is located outside the housing, and the oil cooler is arranged to be used for cooling the lubricating oil in the lubricating oil circulation pipeline.

In the mode, the cooling requirement of the speed reducer is met by adding the oil cooler, the oil pump and the cooling oil pipe, lubrication of the speed reducer at each inclination angle of the whole vehicle is guaranteed, but the complexity of a lubrication system is increased by the oil pump, the oil cooler, the oil pipe and other devices, and the cost of the speed reducer and the whole vehicle is increased.

Therefore, the application provides a new energy high-speed reducer active lubrication system and a reducing motor so as to solve the problems.

Disclosure of Invention

The utility model aims at: the problem of among the prior art reduction gear lubricating system structure complicacy is solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: new forms of energy high speed reducer ware initiative lubricating system, initiative lubricating system includes: a speed reducer housing and a mechanical pump assembly;

the mechanical pump assembly is fixedly arranged in the speed reducer shell, and a driving shaft of the mechanical pump assembly is in power connection with an output shaft of the speed reducer.

Further, the method further comprises the following steps: the input shaft assembly, the intermediate shaft assembly and the reduction gear are sequentially connected and installed in the speed reducer shell, the input shaft assembly is connected with an output shaft of the motor, and the reduction gear is connected with an output shaft of the speed reducer;

the mechanical pump assembly comprises a drive shaft gear mounted on a drive shaft of the mechanical pump assembly, and the drive shaft gear is in meshed connection with the reduction gear.

Further, the input shaft assembly comprises an input shaft connected with the motor and an input gear arranged on the input shaft; the intermediate shaft assembly comprises an intermediate shaft arranged in the speed reducer shell, and a first intermediate gear and a second intermediate gear which are arranged on the intermediate shaft; the first intermediate gear is in meshed connection with the input gear, and the second intermediate gear is in meshed connection with the reduction gear.

Further, the mechanical pump assembly comprises an oil inlet pipe, one end of the oil inlet pipe is connected with the oil tank, and the other end of the oil inlet pipe is connected with an inlet of the mechanical pump assembly.

Further, an oil outlet pipe is arranged in the speed reducer shell, one end of the oil outlet pipe is connected with an outlet of the mechanical pump assembly, and the other end of the oil outlet pipe is connected with an oil way arranged in the speed reducer shell.

Further, the oil passage includes: the first oil way, the second oil way and the third oil way;

the first oil way is communicated with the bevel gear oil inlet of the differential mechanism and the oil inlet of the differential mechanism bearing chamber at the same time;

the second oil way is communicated with an oil inlet hole of the bearing chamber of the input shaft;

the third oil way is communicated with the oil guide pipeline at the side of the speed reducer.

Further, the oil inlet pipe is integrated with the mechanical pump assembly.

Further, the mechanical pump assembly comprises three hanging tables integrated with the mechanical pump assembly, and the three hanging tables are fixedly connected with the speed reducer shell respectively.

Further, the three hanging tables are respectively located in three angular directions of the mechanical pump assembly, wherein the three angular directions are 120 degrees away from each other.

A gear motor comprising: the novel energy source high-speed reducer active lubrication system is as described above.

The utility model has the technical effects and advantages that:

in this application, mechanical pump assembly is as oil supply unit provides lubricating oil to each part and carries out initiative lubrication, compares the electronic pump, in this application mechanical pump assembly directly obtains power from the reduction gear, need not extra power supply and control, has reduced reduction gear system complexity and development cost.

Drawings

FIG. 1 is a schematic diagram of an active lubrication system of a new energy high-speed reducer;

FIG. 2 is a schematic view of the mounting structure of the mechanical pump assembly of the present utility model;

FIG. 3 is a graph showing the distribution of oil passages in an active lubrication system of a new energy high-speed reducer;

reference numerals: 1. a speed reducer housing; 2. a fixing bolt; 3. a mechanical pump assembly; 4. a drive shaft gear; 5. an oil inlet pipe; 6. an input shaft assembly; 7. an intermediate shaft assembly; 8. a reduction gear; 9. an oil inlet hole of the bearing chamber of the input shaft; 10. oil inlet holes of the differential bearing chamber; 11. bevel gear oil inlet hole of differential mechanism; 12. a speed reducer side oil guide pipeline; 131. an oil outlet pipe; 132. a first oil passage; 133. a second oil path; 134. and a third oil path.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, to solve the defects in the prior art, the utility model discloses a new energy source high-speed reducer active lubrication system, wherein the reducer is arranged in a motor, and comprises: a speed reducer housing 1 and a mechanical pump assembly 3; the speed reducer shell 1 is internally provided with an input shaft assembly 6, an intermediate shaft assembly 7 and a speed reducing gear 8;

the mechanical pump assembly 3 is fixedly arranged in the speed reducer shell 1, a driving shaft of the mechanical pump assembly 3 is provided with a driving shaft gear 4, the driving shaft gear 4 is in meshed connection with a speed reduction gear 8, the input shaft assembly 6 is in gear connection with the intermediate shaft assembly 7, and the intermediate shaft assembly 7 is provided with an intermediate shaft gear in meshed connection with the driving shaft gear 4; the input shaft assembly 6 is in power connection with a motor rotating shaft, and the power of the motor rotating shaft is transmitted to the driving shaft gear 4 after being decelerated by the input shaft assembly 6, the intermediate shaft assembly 7 and the reduction gear 8 to serve as a power source of the mechanical pump assembly 3.

As shown in fig. 2 and 3, an oil inlet pipe 5 is integrated in the mechanical pump assembly 3, and an oil outlet pipe 131 is arranged in the reducer housing 1, wherein the oil inlet pipe 5 is connected with an inlet of the mechanical pump assembly 3, one end of the oil outlet pipe 131 is connected with an outlet of the mechanical pump assembly 3, the other end of the oil outlet pipe 131 is communicated with three pipelines, and the three pipelines are a first oil way 132, a second oil way 133 and a third oil way 134 respectively;

specific:

the first oil path 132 is simultaneously communicated with the differential bevel gear oil inlet hole 11 and the differential bearing chamber oil inlet hole 10, and is used for inputting lubricating oil into the differential bevel gear oil inlet hole 11 and the differential bearing chamber oil inlet hole 10, wherein the differential bearing chamber oil inlet hole 10 and the differential bevel gear oil inlet hole 11 are both arranged in the speed reducer shell 1, the differential bearing chamber oil inlet hole 10 is positioned at the radial end of a transmission shaft of the speed reducer 8, and the differential bevel gear oil inlet hole 11 is positioned at the axial end of the speed reducer 8;

the second oil path 133 is communicated with an input shaft bearing chamber oil inlet hole 9, and is used for inputting lubricating oil into the input shaft bearing chamber oil inlet hole 9, the input shaft bearing chamber oil inlet hole 9 is arranged in the speed reducer shell 1, and the input shaft bearing chamber oil inlet hole 9 is positioned at the radial end of a transmission shaft in the input shaft assembly 6;

the third oil path 134 is communicated with the speed reducer side oil guide pipeline 12, and is used for inputting lubricating oil into the speed reducer side oil guide pipeline 12, the speed reducer side oil guide pipeline 12 is arranged in the speed reducer shell 1, and the speed reducer side oil guide pipeline 12 is positioned on the right side of the mechanical pump assembly 3.

Above, through mechanical pump assembly 3 with the lubrication oil pump in input shaft bearing room inlet port 9, differential mechanism bearing room inlet port 10, differential mechanism bevel gear inlet port 11 and reduction gear side oil guide pipeline 12, provide initiative stable oil feeding lubrication for the inside lubricated part of reduction gear.

In addition, as shown in fig. 2, three hanging tables are arranged on the mechanical pump assembly 3, the three hanging tables are respectively positioned in three angular directions of the mechanical pump assembly 3, which are mutually provided with 120-degree included angles, and the three hanging tables are respectively fixedly connected with the reducer shell 1 through three fixing bolts 2.

In summary, the motor shaft and the differential are used as the power source of the mechanical pump assembly 3 to drive the mechanical pump assembly 3 to work, so that the lubricant at the oil inlet pipe 5 is pumped into the oil outlet pipe 131, and oil is pumped into the differential bearing chamber oil inlet 10, the differential bevel gear oil inlet 11, the input shaft bearing chamber oil inlet 9 and the speed reducer side oil guide pipeline 12 through the first oil circuit 132, the second oil circuit 133 and the third oil circuit 134 respectively, so that each part in the differential is actively lubricated, and compared with an electronic pump, the mechanical pump assembly 3 directly obtains power from the speed reducer, and additional power source and control are not needed, so that the complexity and development cost of the speed reducer system are reduced;

in addition, in the embodiment, the

oil guide holes

9, 10, 11 and 12 of the input shaft bearing chamber, the differential bevel gear and the reducer side oil guide pipeline are machined to reduce the grooving of the bearing chamber, improve the rigidity strength of the bearing and facilitate the improvement of the NVH level of the reducer; compared with the active lubrication scheme of the electronic pump, in the embodiment, parts such as an oil cooler, a cooling water pipe and the like are not needed, so that the complexity of lubrication design and the material cost are reduced; the embodiment is suitable for the high-speed new energy decelerator and the decelerator with the main subtracting gear rotationally arranged towards the direction of the oil pan when the whole vehicle advances, and the application range of the decelerator is improved.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a new forms of energy high-speed reducer initiative lubricating system, the reduction gear is installed in the motor, its characterized in that, initiative lubricating system includes: a speed reducer housing (1) and a mechanical pump assembly (3);

the mechanical pump assembly (3) is fixedly arranged in the speed reducer shell (1), and a driving shaft of the mechanical pump assembly (3) is in power connection with an output shaft of the speed reducer.

2. The active lubrication system of a new energy high speed reducer according to claim 1, further comprising: the device comprises an input shaft assembly (6), an intermediate shaft assembly (7) and a reduction gear (8), wherein the input shaft assembly (6), the intermediate shaft assembly (7) and the reduction gear (8) are sequentially connected and installed in a reducer shell (1), the input shaft assembly (6) is connected with an output shaft of the motor, and the reduction gear (8) is connected with an output shaft of the reducer;

the mechanical pump assembly (3) comprises a driving shaft gear (4) arranged on a driving shaft of the mechanical pump assembly (3), and the driving shaft gear (4) is in meshed connection with the reduction gear (8).

3. The active lubrication system of the new energy high-speed reducer according to claim 2, wherein the input shaft assembly (6) comprises an input shaft connected with a motor and an input gear mounted on the input shaft; the intermediate shaft assembly (7) comprises an intermediate shaft arranged in the speed reducer shell (1), and a first intermediate gear and a second intermediate gear which are arranged on the intermediate shaft; the first intermediate gear is in meshed connection with the input gear, and the second intermediate gear is in meshed connection with the reduction gear (8).

4. A new energy high-speed reducer active lubrication system according to claim 3, wherein the mechanical pump assembly (3) comprises an oil inlet pipe (5), one end of the oil inlet pipe (5) is connected with an oil tank, and the other end of the oil inlet pipe (5) is connected with an inlet of the mechanical pump assembly (3).

5. The active lubrication system of the new energy high-speed reducer according to claim 4, wherein an oil outlet pipe (131) is arranged in the reducer housing (1), one end of the oil outlet pipe (131) is connected with an outlet of the mechanical pump assembly (3), and the other end of the oil outlet pipe is connected with an oil path arranged in the reducer housing (1).

6. The active lubrication system of a new energy high speed reducer according to claim 5, wherein the oil path comprises: a first oil passage (132), a second oil passage (133), and a third oil passage (134);

the first oil way (132) is communicated with the bevel gear oil inlet hole (11) of the differential mechanism and the oil inlet hole (10) of the differential bearing chamber at the same time;

the second oil way (133) is communicated with an oil inlet hole (9) of the bearing chamber of the input shaft;

the third oil way (134) is communicated with the side oil guide pipeline (12) of the speed reducer.

7. The active lubrication system of the new energy high-speed reducer according to claim 4, wherein the oil inlet pipe (5) is integrated with the mechanical pump assembly (3).

8. The active lubrication system of the new energy high-speed reducer according to any one of claims 1 to 7, wherein the mechanical pump assembly (3) comprises three hanging tables integrated with the mechanical pump assembly, and the three hanging tables are fixedly connected with the reducer shell (1).

9. The active lubrication system of a new energy high-speed reducer according to claim 8, wherein three hanging platforms are respectively positioned in three angular directions of the mechanical pump assembly (3) which are mutually provided with 120 degrees of included angle.

10. A gear motor, comprising: a new energy high speed reducer active lubrication system according to any of claims 1-7.