CN217951183U

CN217951183U - Main reducer of automobile drive axle

Info

Publication number: CN217951183U
Application number: CN202222279386.7U
Authority: CN
Inventors: 任晓曼; 刘喜康; 刘海英
Original assignee: Anhui Hetai Transmission Technology Co ltd
Current assignee: Anhui Hetai Transmission Technology Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-12-02
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses an automobile drive axle main reducer, including the reduction gear shell, the inside of reduction gear shell is provided with the lubrication mechanism who is used for lubricating the inside device of reduction gear, lubrication mechanism includes the reservoir, goes out liquid hole, high-pressure oil pump, first connecting pipe and second connecting pipe, the reservoir is seted up in the outer wall of reduction gear shell, and is a plurality of go out that the liquid hole is even to be seted up on the inner wall of reduction gear shell, high-pressure oil pump fixed mounting is in the inside of reduction gear shell, the one end and the high-pressure oil pump intercommunication of first connecting pipe, the other end of first connecting pipe extends to the outside of reduction gear shell and reservoir intercommunication, the one end and the high-pressure oil pump intercommunication of second connecting pipe, the other end of second connecting pipe extends to the inside of reduction gear shell, the utility model adopts the above technical scheme, realized the inside even lubrication and the heat dissipation of main reducer to main reducer's life has further been improved.

Description

Main reducer of automobile drive axle

Technical Field

The utility model relates to a main reducer technical field specifically is an automobile drive axle main reducer.

Background

The main reducer is a mechanism capable of changing torque and rotation speed in a drive axle. The basic function is to increase the torque from the transmission or universal drive, while reducing the rotational speed and changing the direction of torque transmission. The main reducer is composed of one or several pairs of reduction gear pairs. The power is input from the driving gear and output from the driven gear.

Automobile drive axle main reducer is in the use, because a plurality of gear intermeshing rotates, can produce a large amount of heats, needs always lubricate and dispel the heat to it, and consequently current main reducer lubricates and dispels the heat through adding certain lubricating oil in reduction gear inside, but lubricating oil just soaks in the main reducer bottom, and other parts do not have abundant contact lubricating oil, lead to lubricated and radiating effect ideal inadequately.

SUMMERY OF THE UTILITY MODEL

To the technical problem that current automobile drive axle main reducer exists in using, the utility model provides an automobile drive axle main reducer.

The utility model provides an automobile drive axle main reducer, includes the reduction gear housing, the inside of reduction gear housing is provided with and is used for carrying out lubricated mechanism lubricated to the inside device of reduction gear, lubricated mechanism includes the reservoir, goes out liquid hole, high-pressure oil pump, first connecting pipe and second connecting pipe, the reservoir is seted up in the outer wall of reduction gear housing, and is a plurality of go out that the liquid hole is even to be seted up on the inner wall of reduction gear housing, high-pressure oil pump fixed mounting is in the inside of reduction gear housing, the one end and the high-pressure oil pump intercommunication of first connecting pipe, the other end of first connecting pipe extends to the outside of reduction gear housing and reservoir intercommunication, the one end and the high-pressure oil pump intercommunication of second connecting pipe, the other end of second connecting pipe extends to the inside of reduction gear housing.

Further, fixedly connected with connecting box on the inner wall of reduction gear housing, connecting box and second connecting pipe intercommunication, swing joint has the filter screen on the inner wall of connecting box, fixedly connected with limiting plate on the inner wall of connecting box, filter screen sliding connection is in the limiting plate, the filter screen extends to the outside of connecting box.

Further, a strip-shaped groove corresponding to the filter screen is formed in the surface of the reducer shell, and a pull ring is fixedly connected to the side wall of the filter screen.

Furthermore, the outer wall of the reducer housing is fixedly connected with a first fixed cylinder and a second fixed cylinder respectively, the first fixed cylinder and the second fixed cylinder are respectively connected with a first rotating shaft and a second rotating shaft in a rotating mode, the end portion of the reducer housing is connected with a third rotating shaft in a rotating mode, the end portion of the third rotating shaft is fixedly connected with a driving bevel gear, the outer wall of the first rotating shaft is fixedly connected with a driven bevel gear, the driving bevel gear is meshed with the driven bevel gear, the outer walls of the first rotating shaft and the second rotating shaft are respectively fixedly connected with a driving cylindrical gear and a driven cylindrical gear, and the driving cylindrical gear is meshed with the driven cylindrical gear.

Further, fixedly connected with mount pad on the inner wall of reduction gear shell, high-pressure oil pump fixed mounting is on the mount pad, fixedly connected with fixed plate on the inner wall of reduction gear shell, second connecting pipe and fixed plate fixed connection.

The utility model has the advantages that:

1. when main reducer uses, the inside multiunit gear intermeshing that sets up can produce a large amount of heats, effect through lubricated mechanism, can effectually dispel the heat and lubricate, concrete process does, through the high pressure oil pump, the lubricating oil in first connecting pipe and the second connecting pipe with the reservoir circulates, spout through a plurality of liquid holes, thereby reach the even each part of spraying at the reduction gear inside of lubricating oil, through above-mentioned technical scheme, realized the inside even lubrication and the heat dissipation of main reducer, thereby further improved main reducer's life.

2. The cooperation of the connecting box and the filter screen that set up is used for filtering the impurity in the lubricating oil to guarantee the purity of lubricating oil, the pull ring that sets up simultaneously conveniently takes out the filter screen and clears up.

Drawings

FIG. 1 is a schematic view of the external structure of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

fig. 3 is a top sectional view of the present invention;

fig. 4 is an enlarged schematic view of a in fig. 2.

1. A reducer housing; 2. a first connecting pipe; 3. a first fixed cylinder; 4. a second fixed cylinder; 5. a first rotating shaft; 6. a second rotating shaft; 7. a third rotating shaft; 8. a driven bevel gear; 9. a liquid storage tank; 10. a liquid outlet hole; 11. a high-pressure oil pump; 12. a connecting box; 13. a filter screen; 14. a second connecting pipe; 15. a fixing plate; 16. a mounting seat; 17. a driving cylindrical gear; 18. a driven cylindrical gear; 19. a drive bevel gear; 20. and (4) a pull ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

A main speed reducer of an automobile drive axle is disclosed, as shown in fig. 1-4, and comprises a speed reducer housing 1, a lubricating mechanism for lubricating internal devices of the speed reducer is arranged in the speed reducer housing 1, the lubricating mechanism comprises a liquid storage tank 9, liquid outlet holes 10, a high-pressure oil pump 11, a first connecting pipe 2 and a second connecting pipe 14, the liquid storage tank 9 is arranged in the outer wall of the speed reducer housing 1, the liquid outlet holes 10 are uniformly arranged on the inner wall of the speed reducer housing 1, the high-pressure oil pump 11 is fixedly arranged in the speed reducer housing 1, one end of the first connecting pipe 2 is communicated with the high-pressure oil pump 11, the other end of the first connecting pipe 2 extends to the outside of the speed reducer housing 1 and is communicated with the liquid storage tank 9, one end of the second connecting pipe 14 is communicated with the high-pressure oil pump 11, the other end of the second connecting pipe 14 extends to the inside of the speed reducer housing 1, the liquid storage tank 9 is tapered, and one end of the liquid storage tank 9 close to the second connecting pipe 14 is lower, so that the lubricating oil is concentrated at the second connecting pipe 14, thereby being beneficial to the circulation of lubricating oil.

When main reducer uses, the multiunit gear intermeshing of inside setting can produce a large amount of heats, effect through lubricated mechanism, can effectually dispel the heat and lubricate, concrete process does, through high-pressure oil pump 11, the lubricating oil of first connecting pipe 2 and second connecting pipe 14 in with reservoir 9 circulates, through a plurality of play liquid hole 10 blowout, thereby reach the even each part of spraying at the reduction gear inside of lubricating oil, through above-mentioned technical scheme, realized the even lubrication and the heat dissipation to main reducer inside, thereby further improved main reducer's life.

Fixedly connected with connecting box 12 on the inner wall of reduction gear housing 1, connecting box 12 and the 14 intercommunications of second connecting pipe, swing joint has filter screen 13 on the inner wall of connecting box 12, fixedly connected with limiting plate on the inner wall of connecting box 12, and filter screen 13 sliding connection is in the limiting plate, and filter screen 13 extends to the outside of connecting box 12.

The cooperation of connecting box 12 and filter screen 13 of setting is used for filtering the impurity in the lubricating oil to guarantee the purity of lubricating oil, the bar groove that corresponds with filter screen 13 is seted up on the surface of retarder housing 1, fixedly connected with pull ring 20 on the lateral wall of filter screen net 13.

After the filter screen 13 is used for a period of time, some impurities are adsorbed on the surface of the filter screen 13, the surface of the filter screen 13 needs to be cleaned, and the filter screen 13 is taken out by pulling the pull ring 20 to be cleaned.

The outer wall of the reducer shell 1 is fixedly connected with a first fixed cylinder 3 and a second fixed cylinder 4 respectively, a first rotating shaft 5 and a second rotating shaft 6 are connected in the first fixed cylinder 3 and the second fixed cylinder 4 respectively in a rotating mode, the end portion of the reducer shell 1 is connected with a third rotating shaft 7 in a rotating mode, the end portion of the third rotating shaft 7 is fixedly connected with a driven bevel gear 8, a driving bevel gear 19 is fixedly connected to the outer wall of the first rotating shaft 5, the driven bevel gear 8 is meshed with the driving bevel gear 19, a driving cylindrical gear 17 and a driven cylindrical gear 18 are fixedly connected to the outer walls of the first rotating shaft 5 and the second rotating shaft 6 respectively, and the driving cylindrical gear 17 is meshed with the driven cylindrical gear 18.

The driven bevel gear 8 is driven to rotate by the driving bevel gear 19, the number of teeth of the driven bevel gear 8 is larger than that of the driving bevel gear 19, so that the rotating speed is reduced, the torque is increased, the number of teeth of the driving cylindrical gear 17 is smaller than that of the driven cylindrical gear 18, the rotating speed is reduced, the torque is increased, and the transmission direction is changed.

Fixedly connected with mount pad 16 on the inner wall of reduction gear shell 1, high-pressure oil pump 11 fixed mounting is on mount pad 16, fixedly connected with fixed plate 15 on the inner wall of reduction gear shell 1, second connecting pipe 14 and fixed plate 15 fixed connection, and the fixed plate 15 of setting is used for fastening second connecting pipe 14.

It is understood that the embodiments described are merely exemplary of some, and not intended to be exhaustive, and that those skilled in the art will be able to make various changes, additions and substitutions to the specific embodiments described, without departing from the spirit of the invention or exceeding the scope of the invention as defined in the appended claims. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure.

Claims

1. The utility model provides an automobile drive axle main reducer, includes reduction gear housing (1), its characterized in that, the inside of reduction gear housing (1) is provided with and is used for carrying out lubricated mechanism lubricated to the inside device of reduction gear, lubricated mechanism includes reservoir (9), goes out liquid hole (10), high-pressure oil pump (11), first connecting pipe (2) and second connecting pipe (14), set up in the outer wall of reduction gear housing (1) reservoir (9), and is a plurality of go out liquid hole (10) even set up on the inner wall of reduction gear housing (1), high-pressure oil pump (11) fixed mounting is in the inside of reduction gear housing (1), the one end and high-pressure oil pump (11) intercommunication of first connecting pipe (2), the other end of first connecting pipe (2) extends to the outside of reduction gear housing (1) and reservoir (9) intercommunication, the one end and high-pressure oil pump (11) intercommunication of second connecting pipe (14), the other end of second connecting pipe (14) extends to the inside of reduction gear housing (1).

2. The automobile drive axle main reducer according to claim 1, characterized in that a connecting box (12) is fixedly connected to the inner wall of the reducer casing (1), the connecting box (12) is communicated with a second connecting pipe (14), a filter screen (13) is movably connected to the inner wall of the connecting box (12), a limiting plate is fixedly connected to the inner wall of the connecting box (12), the filter screen (13) is slidably connected to the limiting plate, and the filter screen (13) extends to the outside of the connecting box (12).

3. The automobile drive axle main reducer according to claim 2, characterized in that a strip-shaped groove corresponding to the filter screen (13) is formed on the surface of the reducer housing (1), and a pull ring is fixedly connected to the side wall of the filter screen (13).

4. The final drive of the automobile drive axle according to claim 1, wherein the outer wall of the reducer housing (1) is fixedly connected with a first fixed cylinder (3) and a second fixed cylinder (4), the first fixed cylinder (3) and the second fixed cylinder (4) are respectively and rotatably connected with a first rotating shaft (5) and a second rotating shaft (6), the end of the reducer housing (1) is rotatably connected with a third rotating shaft (7), the end of the third rotating shaft (7) is fixedly connected with a driven bevel gear (8), the outer wall of the first rotating shaft (5) is fixedly connected with a driving bevel gear (19), the driven bevel gear (8) is engaged with the driving bevel gear (19), the outer walls of the first rotating shaft (5) and the second rotating shaft (6) are respectively and fixedly connected with a driving cylindrical gear (17) and a driven cylindrical gear (18), and the driving cylindrical gear (17) is engaged with the driven cylindrical gear (18).

5. The final drive of the automobile drive axle according to claim 1, wherein a mounting seat (16) is fixedly connected to the inner wall of the reducer casing (1), the high-pressure oil pump (11) is fixedly mounted on the mounting seat (16), a fixing plate (15) is fixedly connected to the inner wall of the reducer casing (1), and the second connecting pipe (14) and the fixing plate (15) are fixedly connected.