CN111845204B

CN111845204B - Electric axle assembly

Info

Publication number: CN111845204B
Application number: CN202010674193.4A
Authority: CN
Inventors: 王兴; 严一涛
Original assignee: Chongqing Chuangze Automobile Design Co ltd
Current assignee: Chongqing chuangze Automobile Design Co.,Ltd.
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2022-01-07
Anticipated expiration: 2040-07-14
Also published as: CN111845204A

Abstract

The invention relates to the technical field of axle assemblies, in particular to an electric axle assembly which comprises a driving motor, a driving shaft, a speed reducer, an axle assembly, a mounting plate, a fixing seat, a connecting plate, a screw hole, an adjusting bolt, a push plate, a bearing, a positioning bolt, a limiting plate, a limiting bolt, a limiting hole, a speed reducer assembly, a placing groove, a connecting hole, an adjusting ring, a gasket, a sleeve, a limiting groove, an adjusting hole, a fixing sleeve, a mounting bolt, a sealing ring, a sealing groove, an oil storage groove, an oil inlet hole, a sealing plug, a connecting groove, a clamping groove, an oil storage sponge and a movable sleeve. The lubricating device is reasonable in structure, lubricating oil is added into the oil storage tank through the connecting groove by opening the sealing plug which is in threaded connection with the inside of the connecting groove, the lubricating oil in the oil storage tank enters the clamping groove and the inside of the oil storage sponge through the oil inlet hole, the driving shaft is continuously lubricated through the oil storage sponge, the lubricating effect is good, and the abrasion of the driving shaft is reduced.

Description

Electric axle assembly

Technical Field

The invention relates to the technical field of axle assemblies, in particular to an electric axle assembly.

Background

The automobile axle is connected with the automobile frame through the suspension, wheels are arranged at two ends of the automobile axle, the axle is used for bearing the load of the automobile and maintaining the normal running of the automobile on a road, the axle can be integral, such as a huge barbell, and the two ends of the axle support the automobile body through the suspension system, so the integral axle is usually matched with a non-independent suspension; the axle can also be of a disconnected type, like two umbrellas are inserted at the two sides of the vehicle body, and then the vehicle body is supported by the suspension system respectively, so that the disconnected type axle is matched with the independent suspension.

The assembly process of the reducer assembly of the existing electric axle assembly is relatively complex, and a multistep assembly process is needed, so that the reducer assembly is firstly required to be assembled after being fixed and firm, the existing main reducer assembly is poor in fixed firmness and inconvenient to fix and only can fix the reducer assembly of one type when being assembled, and the lubricating effect of the axle half shaft is poor due to the fact that the existing electric axle half shaft structure needs to rotate, long-time rotation can lead to the axle half shaft, and therefore the axle half shaft is made to cause certain abrasion. Accordingly, an electric axle assembly is provided that addresses the above-mentioned problems.

Disclosure of Invention

It is an object of the present invention to provide an electric axle assembly that addresses the above-mentioned problems.

The invention achieves the aim through the following technical scheme that the electric axle assembly comprises a driving motor, a driving shaft, a speed reducer, an axle assembly, a fixing device and a lubricating device; the fixing device comprises an axle assembly arranged on one side of a driving motor, a driving shaft is arranged at one end of the axle assembly, a speed reducer is arranged on one side of the driving shaft, one end of the speed reducer is connected with a mounting plate through a bolt and a thread, one end of the mounting plate is fixedly connected with a fixing plate, one end of the fixing plate is fixedly connected with a connecting plate, and a fixing seat is arranged at one end of the fixing plate; lubricating arrangement is including cup jointing two fixed covers in the drive shaft outside, two be provided with the movable sleeve between the fixed cover, the inside of movable sleeve is opened there is the oil storage tank, one side intercommunication inlet port's of oil storage tank one end, the one end lateral wall of fixed cover passes through the construction bolt threaded connection drive shaft.

Preferably, one end of the oil storage tank is communicated with the connecting groove, and the inner part of the connecting groove is in threaded connection with the sealing plug.

Preferably, one end of the oil inlet is communicated with the clamping groove, the oil storage sponge is sleeved inside the clamping groove and is annular, and the oil storage sponge is sleeved with the driving shaft.

Preferably, the both ends lateral wall of movable sleeve all fixed connection sealing ring, just the seal groove is connected in the sealing ring block, the seal groove is seted up inside the one end of two fixed covers.

Preferably, the clamping groove is communicated with the oil storage tank and the connecting groove through an oil inlet hole.

Preferably, a screw hole is formed in one end of the connecting plate, the screw hole is in threaded connection with an adjusting bolt, one end of the adjusting bolt is fixedly connected with the push plate, and one end of the push plate abuts against the side wall of the fixing seat.

Preferably, a placing groove is formed in the center of the interior of the fixing seat, the side wall of one end of the fixing seat is rotatably connected with the sleeve through the bearing, a limiting groove is formed in the sleeve, and a positioning bolt is connected with the inner portion of one end of the limiting groove in a threaded mode.

Preferably, the lateral wall of one end of the sleeve is fixedly connected with a limiting plate, the lateral wall of one end of the limiting plate is provided with a limiting hole and an adjusting hole, the internal thread of the limiting hole is connected with a limiting bolt, and the internal thread of the adjusting hole is connected with a positioning bolt.

Preferably, the reduction gear assembly has been placed to the inside of standing groove, just the packing ring is cup jointed to one side of reduction gear assembly, one side of packing ring is provided with the regulation circle, the connecting hole that has the equidistance and distributes is opened to the one end lateral wall of regulation circle.

Preferably, one end of the limiting bolt is in threaded connection with a connecting hole at one end of the adjusting ring.

The invention has the beneficial effects that:

(1) the reduction gear assembly that will install is placed in the inside standing groove of fixing base through the reduction gear assembly that will install, place the packing ring at the one end of reduction gear assembly and the one end opening part of standing groove, then support the packing ring through the regulating ring tightly at the one end lateral wall of standing groove, then rotate four limiting plates through sleeve pipe and bearing, make the spacing hole of four limiting plate one ends align with the connecting hole of regulating ring one end, through spacing bolt threaded connection spacing hole and connecting hole, thereby with the rigidity of regulating ring, through positioning bolt threaded connection spacing groove and regulating hole, thereby strengthen limiting plate and sheathed tube and be connected, can adapt to the fixed of the reduction gear assembly of different models, and wide application scope.

(2) Through with two fixed covers and movable sleeve according to fixed cover, the mode of movable sleeve and fixed cover cup joints in proper order in the drive shaft, through the rigidity of construction bolt with one of them fixed cover, with the sealing ring of movable sleeve one end and the seal groove block of fixed cover one end, cup joint another fixed cover through the sealing ring of seal groove and the movable sleeve other end, with the rigidity of another fixed cover, then open the sealing plug of threaded connection in the inside spread groove, in adding the oil storage tank with lubricating oil through the spread groove, realize lubricating.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

FIG. 2 is a schematic view of the internal structure of the fixing plate, the connecting plate, the fixing base and the placing groove of the present invention;

FIG. 3 is a schematic view of the positions of a limiting plate, a bearing, a sleeve, a limiting groove and an adjusting hole of the present invention;

fig. 4 is a schematic view of the internal structure of the movable and fixed sleeves of the present invention.

In the figure: 1. a drive motor; 2. a drive shaft; 3. a speed reducer; 4. an axle assembly; 5. mounting a plate; 6. a fixing plate; 601. a fixed seat; 7. a connecting plate; 8. a screw hole; 9. adjusting the bolt; 10. pushing the plate; 11. a bearing; 12. positioning the bolt; 13. a limiting plate; 14. a limit bolt; 15. a limiting hole; 16. a reducer assembly; 17. a placement groove; 18. connecting holes; 19. an adjusting ring; 20. a gasket; 21. a sleeve; 22. a limiting groove; 23. an adjustment hole; 24. fixing a sleeve; 25. installing a bolt; 26. a seal ring; 27. a sealing groove; 28. an oil storage tank; 29. an oil inlet hole; 30. a sealing plug; 31. connecting grooves; 32. a card slot; 33. oil storage sponge; 34. a movable sleeve.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Referring to fig. 1-4, an electric axle assembly includes a driving motor 1, a driving shaft 2, a reducer 3, an axle assembly 4, a fixing device and a lubricating device; the fixing device comprises an axle assembly 4 arranged on one side of a driving motor 1, a driving shaft 2 is arranged at one end of the axle assembly 4, a speed reducer 3 is arranged on one side of the driving shaft 2, one end of the speed reducer 3 is connected with a mounting plate 5 through a bolt and a thread, one end of the mounting plate 5 is fixedly connected with a fixing plate 6, one end of the fixing plate 6 is fixedly connected with a connecting plate 7, one end of the fixing plate 6 is provided with a fixing seat 601, a speed reducer assembly 16 to be mounted is placed in a placing groove 17 in the fixing seat 601, a gasket 20 is placed at one end of the speed reducer assembly 16 and an opening at one end of the placing groove 17, the gasket 20 is tightly abutted to a side wall at one end of the placing groove 17 through an adjusting ring 19, then the four limiting plates 13 are rotated through a sleeve 21 and a bearing 11, and limiting holes 15 at one ends of the four limiting plates 13 are aligned with connecting holes 18 at one end of the adjusting ring 19, the position of the adjusting ring 19 is fixed by connecting the limiting bolt 14 with the limiting hole 15 and the connecting hole 18 in a threaded manner, so that the fixing device can be suitable for fixing speed reducer assemblies 16 of different models, and the fixing effect is good; lubricating arrangement is including cup jointing two fixed cover 24 in the 2 outsides of drive shaft, two be provided with movable sleeve 34 between the fixed cover 24, the inside of movable sleeve 34 is opened there is oil storage tank 28, one side intercommunication inlet port 29's of oil storage tank 28 one end, the one end lateral wall of fixed cover 24 passes through mounting bolt 25 threaded connection drive shaft 2, and in the use, the inside lubricating oil of oil storage tank 28 gets into draw-in groove 32 and oil storage sponge 33 inside through inlet port 29, and it is effectual to lubricate lubrication to drive shaft 2 incessant through oil storage sponge 33, reduces the wearing and tearing of drive shaft 2.

Specifically, one end of the oil storage tank 28 is communicated with a connecting groove 31, and the inner thread of the connecting groove 31 is connected with a sealing plug 30, so that the sealing effect is good.

Specifically, one end of the oil inlet 29 is communicated with the clamping groove 32, the clamping groove 32 is sleeved with an oil storage sponge 33, the oil storage sponge 33 is annular, and the oil storage sponge 33 is sleeved with the driving shaft 2, so that the structure is more reasonable and the connection is convenient; the both ends lateral wall of movable sleeve 34 all fixed connection sealing ring 26, just sealing ring 26 block connection seal groove 27, seal groove 27 is seted up inside the one end of two fixed covers 24.

Specifically, the clamping groove 32 is communicated with the oil storage groove 28 and the connecting groove 31 through the oil inlet 29, so that the structure is more reasonable and the connection is convenient; a screw hole 8 is formed in one end of the connecting plate 7, an adjusting bolt 9 is in threaded connection with the inside of the screw hole 8, one end of the adjusting bolt 9 is fixedly connected with a push plate 10, and one end of the push plate 10 abuts against the side wall of the fixed seat 601, so that the structure is more reasonable, and the connection is convenient; the inside center of fixing base 601 is opened there is standing groove 17, just the one end lateral wall of fixing base 601 rotates connecting sleeve 21 through bearing 11, the inside of sleeve 21 is opened there is spacing groove 22, the inside threaded connection positioning bolt 12 of one end of spacing groove 22, easy to assemble and dismantlement.

Specifically, the one end lateral wall fixed connection limiting plate 13 of sleeve pipe 21, just limiting hole 15 and regulation hole 23 have been opened to the one end lateral wall of limiting plate 13, limiting bolt 14 is connected to the internal thread of limiting hole 15, adjusting bolt 12 is connected to the internal thread of regulation hole 23, conveniently connects through positioning bolt 12.

Specifically, reduction gear assembly 16 has been placed to the inside of standing groove 17, just packing ring 20 is cup jointed to one side of reduction gear assembly 16, one side of packing ring 20 is provided with adjusts circle 19, it has the connecting hole 18 that the equidistance distributes to open the one end lateral wall of adjusting circle 19, conveniently adjusts at the in-process of installation.

Specifically, one end of the limiting bolt 14 is in threaded connection with a connecting hole 18 at one end of an adjusting ring 19, so that the use is convenient.

When the invention is used, firstly, all electrical components in the device are externally connected with a control switch and a power supply, then two fixing plates 6 and a connecting plate 7 are fixedly arranged at one side of a driving motor 1 through a mounting plate 5, an adjusting bolt 9 is in threaded connection with a screw hole 8 in the connecting plate 7 by rotating the adjusting bolt 9, the adjusting bolt 9 pushes a fixing seat 601 to move left and right between the two fixing plates 6 through a push plate 10, thereby adjusting the position of the fixing seat 601, a reducer assembly 16 to be installed is placed in a placing groove 17 in the fixing seat 601, a gasket 20 is placed at one end of the reducer assembly 16 and an opening at one end of the placing groove 17, then the gasket 20 is tightly abutted against the side wall at one end of the placing groove 17 through an adjusting ring 19, then four limiting plates 13 are rotated through a sleeve 21 and a bearing 11, so that a limiting hole 15 at one end of the four limiting plates 13 is aligned with a connecting hole 18 at one end of the adjusting ring 19, the position of the adjusting ring 19 is fixed by the threaded connection of the limiting bolt 14 with the limiting hole 15 and the connecting hole 18, the connecting of the limiting plate 13 with the sleeve 21 is enhanced by the threaded connection of the positioning bolt 12 with the limiting groove 22 and the adjusting hole 23, the fixing of the reducer assemblies 16 of different models can be adapted, the application range is wide, the fixing effect is good, the fixing and the dismounting of the reducer assemblies 16 are facilitated, then two fixing sleeves 24 and a movable sleeve 34 are sequentially sleeved on the driving shaft 2 according to the modes of the fixing sleeves 24, the movable sleeve 34 and the fixing sleeves 24, the position of one fixing sleeve 24 is fixed by the mounting bolt 25, the sealing ring 26 at one end of the movable sleeve 34 is clamped with the sealing groove 27 at one end of the fixing sleeve 24, the other fixing sleeve 24 is sleeved with the sealing ring 26 at the other end of the movable sleeve 34 through the sealing groove 27, the position of the other fixing sleeve 24 is fixed, and then the sealing plug 30 in the connecting groove 31 is opened, in adding oil storage tank 28 through connecting groove 31 with lubricating oil, inside oil storage tank 28 inside lubricating oil passed through inlet port 29 and got into draw-in groove 32 and oil storage sponge 33, through the incessant drive shaft 2 of lubricating of oil storage sponge 33, lubricated effectual, the wearing and tearing of reduction drive shaft 2.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An electric axle assembly characterized in that: the device comprises a driving motor (1), a driving shaft (2), a speed reducer (3), an axle assembly (4), a fixing device and a lubricating device; the fixing device comprises an axle assembly (4) arranged on one side of a driving motor (1), a driving shaft (2) is arranged at one end of the axle assembly (4), a speed reducer (3) is arranged on one side of the driving shaft (2), one end of the speed reducer (3) is connected with a mounting plate (5) through bolt threads, one end of the mounting plate (5) is fixedly connected with a fixing plate (6), one end of the fixing plate (6) is fixedly connected with a connecting plate (7), and a fixing seat (601) is arranged at one end of the fixing plate (6); the lubricating device comprises two fixing sleeves (24) sleeved on the outer side of the driving shaft (2), a movable sleeve (34) is arranged between the two fixing sleeves (24), an oil storage tank (28) is formed inside the movable sleeve (34), one side of the oil storage tank (28) is communicated with one end of an oil inlet hole (29), and the side wall of one end of each fixing sleeve (24) is in threaded connection with the driving shaft (2) through a mounting bolt (25);

a screw hole (8) is formed in one end of the connecting plate (7), an adjusting bolt (9) is in threaded connection with the inside of the screw hole (8), one end of the adjusting bolt (9) is fixedly connected with a push plate (10), and one end of the push plate (10) abuts against the side wall of the fixed seat (601);

a placing groove (17) is formed in the center of the interior of the fixed seat (601), the side wall of one end of the fixed seat (601) is rotatably connected with a sleeve (21) through a bearing (11), a limiting groove (22) is formed in the sleeve (21), and a positioning bolt (12) is connected with one end of the limiting groove (22) in a threaded manner;

a limiting plate (13) is fixedly connected to the side wall of one end of the sleeve (21), a limiting hole (15) and an adjusting hole (23) are formed in the side wall of one end of the limiting plate (13), a limiting bolt (14) is connected to the inner portion of the limiting hole (15) in a threaded mode, and a positioning bolt (12) is connected to the inner portion of the adjusting hole (23) in a threaded mode;

a speed reducer assembly (16) is placed in the placing groove (17), a gasket (20) is sleeved on one side of the speed reducer assembly (16), an adjusting ring (19) is arranged on one side of the gasket (20), and connecting holes (18) are formed in the side wall of one end of the adjusting ring (19) and are distributed at equal intervals;

one end of the limiting bolt (14) is in threaded connection with a connecting hole (18) at one end of the adjusting ring (19).

2. An electric axle assembly as defined in claim 1 wherein: one end of the oil storage tank (28) is communicated with a connecting groove (31), and the inner part of the connecting groove (31) is in threaded connection with a sealing plug (30).

3. An electric axle assembly as defined in claim 1 wherein: one end of the oil inlet (29) is communicated with the clamping groove (32), an oil storage sponge (33) is sleeved inside the clamping groove (32), the oil storage sponge (33) is annular, and the oil storage sponge (33) is sleeved with the driving shaft (2); the clamping groove (32) is communicated with the oil storage groove (28) and the connecting groove (31) through the oil inlet hole (29).

4. An electric axle assembly as defined in claim 1 wherein: the equal fixed connection sealing ring (26) of both ends lateral wall of movable sleeve (34), just sealing ring (26) block connection seal groove (27), seal groove (27) are seted up inside the one end of two fixed covers (24).