CN211175236U - High-rotating-speed transverse single-stage reduction gearbox with bearing lubricating structure - Google Patents

High-rotating-speed transverse single-stage reduction gearbox with bearing lubricating structure Download PDF

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Publication number
CN211175236U
CN211175236U CN201921533593.2U CN201921533593U CN211175236U CN 211175236 U CN211175236 U CN 211175236U CN 201921533593 U CN201921533593 U CN 201921533593U CN 211175236 U CN211175236 U CN 211175236U
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China
Prior art keywords
input gear
gear shaft
speed input
bearing
oil
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Expired - Fee Related
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CN201921533593.2U
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Chinese (zh)
Inventor
任钢
寇铁山
韩晗
李占江
赵志专
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Nanjing Yuebo Power System Co Ltd
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Nanjing Yuebo Power System Co Ltd
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Priority to CN201921533593.2U priority Critical patent/CN211175236U/en
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Abstract

The application provides a horizontal single stage reduction gearbox of high rotational speed with bearing lubricating structure, and this reduction gearbox is integrated by horizontal single stage reduction gear and differential mechanism, has add the bearing apron for guaranteeing that high rotational speed input gear shaft axial is not had the displacement. Thereby at the inside oil return circuit that forms of box, when each inside high rotational speed of box operation, the inside lubricating oil of box is through splashing phenomenon and inertia effect down to the oil storage tank in, on the rethread oil duct flowed into high rotational speed input gear shaft bearing to under the prerequisite that does not increase oil pump system helping hand, thereby under the prerequisite of guaranteeing inside space compact structure in consideration, guarantee to the lubricated technical problem who targets in place of high rotational speed input gear shaft bearing. Set up on the outer wall of high rotational speed input gear shaft bearing and lead the oil groove, the inside lubricating oil of box is through splashing phenomenon and inertia effect down, flows into on the high rotational speed input gear shaft bearing to play the secondary lubrication effect to high rotational speed input gear shaft bearing.

Description

High-rotating-speed transverse single-stage reduction gearbox with bearing lubricating structure
Technical Field
The application relates to the technical field of bearing lubrication, in particular to a high-rotating-speed transverse single-stage reduction gearbox with a bearing lubrication structure.
Background
After the high-rotating-speed input gear shaft, the high-rotating-speed input gear shaft and the high-rotating-speed input gear shaft are loaded on the truck, the high-rotating-speed transverse single-stage reduction gearbox and the axle form a certain inclination angle. Therefore, the plane of the axis of the high-rotation-speed input gear shaft in the high-rotation-speed transverse single-stage reduction gearbox is higher than the plane of the axis of the differential. In consideration of light design and overall sealing performance, the liquid level of the lubricating oil is lower than the horizontal plane where the highest point of the oil seal of the differential is located. Therefore, the lubricating oil in the high-speed transverse single-stage reduction gearbox cannot directly intrude into the high-speed input gear shaft bearing position. Once the high-speed input gear shaft bearing is not lubricated in place during operation, the service life of the high-speed input gear shaft bearing is reduced.
In the prior art, two schemes are adopted for lubricating a high-rotating-speed input gear shaft bearing, wherein the first scheme is that an oil pump oil injection system is arranged in a high-rotating-speed horizontal single-stage reduction gearbox, specifically, an oil pump connecting oil pipe and a pipe joint are placed at the bottom of a box body, and lubricating oil in the box body is injected to the high-rotating-speed input gear shaft bearing; the second scheme is that an oil guide groove is formed in the inner wall of a box body, particularly grooves are formed in the edges of rib plates arranged on the inner wall of the box body and around a high-rotating-speed input gear shaft bearing, and vibration generated when a motor in a high-rotating-speed horizontal single-stage reduction gearbox moves at a high rotating speed is utilized, so that lubricating oil splashes, and the lubricating oil is transmitted to the position of the high-rotating-speed input gear shaft bearing through the guiding effect of the oil guide groove and the gravity effect of the lubricating oil.
However, a power output device is additionally arranged in the oil injection process of the oil pump, so that the requirement on the internal space of the box body is high, and the production and assembly process of the box body is complicated. Although other equipment is not required to be added by adopting the scheme of arranging the oil guide groove in the box body, the high-speed input gear shaft bearing is lubricated only by splashed lubricating oil, so that the problem of insufficient lubrication exists. Therefore, the technical problem of ensuring the lubrication of the high-rotating-speed input gear shaft bearing in place on the premise of considering the guarantee of compact structure and weight reduction of the internal space cannot be solved by the prior art.
SUMMERY OF THE UTILITY MODEL
The application provides a horizontal single-stage reduction gearbox of high rotational speed with bearing lubrication structure to solve prior art scheme and can't solve under the prerequisite of guaranteeing space structure compactness, guarantee to the lubricated technical problem who targets in place of high rotational speed input gear shaft bearing.
A high-rotating-speed horizontal single-stage reduction gearbox with a bearing lubricating structure comprises a box body, a high-rotating-speed input gear shaft bearing, an intermediate gear, an intermediate shaft, a cavity, a differential output gear, a rib plate, an oil guide hole, an oil guide groove, an oil storage groove, a bearing cover plate and an oil duct;
the cavity is arranged inside the box body;
the high-rotation-speed input gear shaft, the high-rotation-speed input gear shaft bearing, the intermediate gear, the intermediate shaft, the differential output gear, the rib plate, the oil guide hole, the oil guide groove, the oil storage groove, the bearing cover plate and the oil duct are arranged in the cavity;
the middle shaft is arranged in the middle of the cavity;
the high-rotation-speed input gear shaft and the differential are arranged on two opposite radial sides of the intermediate shaft;
the horizontal plane of the axis of the high-rotation-speed input gear shaft is higher than the horizontal plane of the axis of the intermediate shaft;
the horizontal plane of the axis of the intermediate shaft is higher than the horizontal plane of the axis of the differential; the high-rotation-speed input gear shaft is sleeved on the outer wall of the high-rotation-speed input gear shaft through a bearing;
the middle gear is sleeved on the outer wall of the middle shaft;
the differential output gear is sleeved on the outer wall of the differential;
the high-rotating-speed input gear shaft bearing is meshed with the intermediate gear;
the intermediate gear is meshed with the differential output gear;
the rib plate is arranged on the inner wall of the cavity;
the oil guide groove is radially arranged on the outer wall of the high-rotating-speed input gear shaft along the high-rotating-speed input gear shaft bearing; the bearing cover plate is arranged on the edge of the outer wall of the high-rotation-speed input gear shaft bearing;
the oil storage tank is arranged on the circumference of the outer wall of the high-rotation-speed input gear shaft bearing and is abutted against the bearing cover plate;
the oil guide hole is communicated with the oil storage tank;
the oil storage tank is communicated with the oil duct through the oil guide hole;
and one end of the oil duct, which is far away from the oil guide hole, is arranged in the axial direction of the high-rotating-speed input gear shaft bearing.
Further, the oil storage tank comprises a flat section and an inclined section;
the gentle section is connected with the inclined section;
the oil guide hole is arranged in the center of the gentle section.
Further, the oil storage tank is provided in plurality;
the oil storage tanks are connected and arranged on the circumference of the outer wall of the high-rotation-speed input gear shaft bearing;
the inclined sections of the adjacent oil storage tanks are connected.
Further, the rib plate also comprises a convex section and an extension section;
the convex section is connected with the extension section;
the highest point of the convex section falls in the radial direction of the high-rotating-speed input gear shaft bearing;
the width of the end, connected with the protruding section, of the extending section is smaller than that of the end, connected with the extending section, of the protruding section.
Furthermore, one end of the bearing cover plate is higher than the edge of the outer wall of the high-rotation-speed input gear shaft bearing;
one end of the bearing cover plate is lower than the high-rotation-speed input gear shaft bearing and is connected with the outer wall of the high-rotation-speed input gear shaft.
Further, deep groove ball bearings are selected as the high-rotation-speed input gear shaft bearings.
Furthermore, the included angle between the bearing cover plate and the edge of the outer wall of the high-rotation-speed input gear shaft bearing is an obtuse angle.
Further, the included angle between the horizontal plane of the differential and the horizontal plane of the high-rotation-speed input gear shaft is 21 degrees.
The beneficial effect of this application is:
according to the technical scheme, the high-rotating-speed transverse single-stage reduction gearbox with the bearing lubricating structure is integrated by a transverse single-stage reduction gear and a differential mechanism, and comprises a box body, a high-rotating-speed input gear shaft bearing, an intermediate gear, an intermediate shaft, a cavity, the differential mechanism, a differential mechanism output gear, a rib plate, an oil guide hole, an oil guide groove, an oil storage groove, a bearing cover plate and an oil passage; the bearing cover plate and the oil storage tank are enclosed to form the oil storage tank, and the oil guide hole is formed in one end of the oil storage tank; the oil storage tank is communicated with the oil duct through the oil guide hole; and the other end of the oil passage is arranged on the axial direction of the high-rotation-speed input gear shaft bearing. The bearing cover plate is additionally arranged to ensure that the high-speed input gear shaft does not have axial displacement. Thereby at the inside oil return circuit that forms of box, when the inside high rotational speed of each part of box was moved, the inside lubricating oil of box is through splashing phenomenon and inertia effect down to the oil storage tank in, the rethread oil duct flows into on the high rotational speed input gear shaft bearing, thereby under the prerequisite that does not increase oil pump system helping hand, optimize the box structure, can reduce lubricated cost, improve production efficiency, the solution is under the prerequisite of guaranteeing inside space compact structure in consideration, guarantee to the lubricated technical problem who targets in place of high rotational speed input gear shaft bearing.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
FIG. 1 is a schematic structural view of a high-speed transverse single-stage reduction gearbox with a bearing lubrication structure according to the present application;
FIG. 2 is a schematic perspective view of a high speed transverse single stage reduction gearbox with a bearing lubrication structure according to the present application;
fig. 3 is a sectional view in the direction of a-a' of the high rotational speed input gear shaft in fig. 1.
The device comprises a box body 1, a high-rotation-speed input gear shaft 2, a high-rotation-speed input gear shaft 3, a high-rotation-speed input gear shaft bearing 4, an intermediate gear 5, an intermediate shaft 6, a cavity 7, a differential 8, a differential output gear 9, a rib plate 10, an oil guide hole 11, an oil guide groove 11, an oil storage groove 12, a bearing cover plate 13, an oil passage 14, an extension section 15, a gentle section 16, an inclined section 17 and a bulge section 18.
Detailed Description
Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following examples do not represent all embodiments consistent with the present application.
Fig. 1 is a schematic structural diagram of a high-speed transverse single-stage reduction gearbox with a bearing lubricating structure according to the present application; FIG. 2 is a schematic perspective view of a high speed transverse single stage reduction gearbox with a bearing lubrication structure according to the present application; fig. 3 is a sectional view in the direction of a-a' of the high rotational speed input gear shaft in fig. 1.
A high-rotating-speed horizontal single-stage reduction gearbox with a bearing lubricating structure is characterized by comprising a box body 1, a high-rotating-speed input gear shaft 2, a high-rotating-speed input gear shaft bearing 3, an intermediate gear 4, an intermediate shaft 5, a cavity 6, a differential 7, a differential output gear 8, a rib plate 9, an oil guide hole 10, an oil guide groove 11, an oil storage groove 12, a bearing cover plate 13 and an oil duct 14;
the cavity 6 is arranged inside the box body 1;
the high-rotating-speed input gear shaft 2, the high-rotating-speed input gear shaft bearing 3, the intermediate gear 4, the intermediate shaft 5, the differential 7, the differential output gear 8, the rib plate 9, the oil guide hole 10, the oil guide groove 11, the oil storage groove 12, the bearing cover plate 13 and the oil duct 14 are arranged in the cavity 6.
The middle shaft 5 is arranged in the middle of the cavity 6; the high-rotation-speed input gear shaft 2 and the differential mechanism 7 are arranged on two opposite sides of the intermediate shaft 5 in the radial direction; the horizontal plane of the axis of the high-speed input gear shaft 2 is higher than the horizontal plane of the axis of the intermediate shaft 5. A first preset inclination angle is formed between the axial vertical connecting line of the intermediate shaft 5 and the high-rotation-speed input gear shaft 2 and the horizontal plane; a second preset inclination angle is formed between the axial vertical connecting line of the output gear 8 of the differential of the intermediate shaft 5 and the horizontal plane; the axial vertical connecting line of the high-rotation-speed input gear shaft 2 and the differential output gear 8 and the horizontal plane form a third preset inclination angle. The box body 1 is at a fourth preset inclination angle with the axle after loading. The space occupied by the high-rotation-speed input gear shaft 2, the high-rotation-speed input gear shaft bearing 3, the intermediate gear 4, the intermediate shaft 5, the differential 7 and the differential output gear 8 in the cavity 6 is adjusted by setting a first preset inclination angle, a second preset inclination angle, a third preset inclination angle and a fourth preset inclination angle.
The intermediate gear 4 is sleeved on the outer wall of the intermediate shaft 5; the differential output gear 8 is sleeved on the outer wall of the differential 7; the high-rotation-speed input gear shaft bearing 3 is meshed with the intermediate gear 4; the intermediate gear 4 meshes with the differential output gear 8. Lubricating oil is injected into the cavity 6, and the level of the liquid level of the lubricating oil is lower than the height of an oil seal of the differential 7. Therefore, the high-speed input gear shaft bearing 3 cannot be immersed in the lubrication, and the lubrication effect is achieved only through the splashing phenomenon of the lubricating oil during the operation of the reduction gearbox in the prior art.
A high-rotating speed horizontal single-stage reduction gearbox with a bearing lubricating structure belongs to a three-stage transmission. The transmission chain of the three-stage transmission comprises input shaft power, input shaft gear/intermediate shaft gear, intermediate shaft gear/output shaft gear and output shaft power. After a high-speed transverse single-stage reduction gearbox with a bearing lubricating structure is loaded, the gears of different running speeds are switched by changing the meshing of different intermediate shaft gears/output shaft gears. The high-rotation-speed input gear shaft 2 serves as an input shaft and is connected with an engine through a clutch, the intermediate shaft 5 and the intermediate gear 4 sleeved on the intermediate shaft 5 rotate together, and the intermediate gear 4 is driven to rotate through meshing of the high-rotation-speed input gear shaft bearing 3 sleeved on the high-rotation-speed input gear shaft 2, so that the power of the engine is transmitted to the intermediate shaft 5. And the intermediate gear 4 is meshed to drive the differential output gear 8 to rotate, and the differential 7 drives the vehicle to rotate, so that the power is transmitted to the wheels.
The horizontal plane of the axis of the intermediate shaft 5 is higher than the horizontal plane of the axis of the differential 7; the high-rotation-speed input gear shaft bearing 3 is sleeved on the outer wall of the high-rotation-speed input gear shaft 2.
After the high-rotation-speed horizontal single-stage reduction gearbox is mounted, the plane of the axis of the high-rotation-speed input gear shaft in the high-rotation-speed horizontal single-stage reduction gearbox is higher than the plane of the axis of the differential mechanism.
The rib plate 9 is arranged on the inner wall of the cavity 6; the oil guide groove 11 is radially arranged on the outer wall of the high-rotation-speed input gear shaft along the high-rotation-speed input gear shaft bearing 3; the bearing cover plate 13 is arranged on the edge of the outer wall of the high-rotation-speed input gear shaft bearing 3; the rib plates 9 are arranged in a plurality, and the plurality of rib plates 9 are arranged on the inner wall of the cavity 6 at equal intervals. The rib plate 9 enables the moving lubricating oil to form turbulent flow during the running process of the reduction gearbox, thereby increasing the probability of entering the oil storage tank 12.
The oil storage tank 12 is arranged on the circumference of the outer wall of the high-rotation-speed input gear shaft bearing 3 and is abutted against the bearing cover plate 13; the oil guide hole 10 is communicated with the oil storage tank 12; the oil storage tank 12 is communicated with the oil passage 14 through the oil guide hole 10; one end of the oil passage 14 far away from the oil guide hole is arranged in the axial direction of the high-rotation-speed input gear shaft bearing 3. An interval is arranged between the inner walls of the box body 1 at the top of the bearing cover plate 13, and in the running process of the reduction gearbox, lubricating oil can enter the oil storage tank 12 from the interval, enters the oil duct 14 through the oil guide hole 10 and then flows into the high-rotation-speed input gear shaft bearing 3 through the oil duct 14. The oil sump 12 may form a fifth predetermined angle of inclination with the oil passage 14, and the speed at which the lubricating oil enters the oil passage 14 is adjusted according to the fifth predetermined angle of inclination. And the fifth preset inclination angle is set in combination with the first preset inclination angle, the second preset inclination angle, the third preset inclination angle and the fourth preset inclination angle, so that the high-rotation-speed input gear shaft bearing 3 is ensured to be lubricated in place.
And, set up oil guide groove scheme in the box based on prior art, set up oil guide groove 11 on the outer wall of high rotational speed input gear shaft bearing 3, the inside lubricating oil of box 1 flows into on high rotational speed input gear shaft bearing 3 through splashing phenomenon and inertia effect down to play the secondary lubrication effect to high rotational speed input gear shaft bearing 3.
The supporting mode of each rotating shaft of the high-rotating-speed transverse single-stage reduction gearbox is not limited to the bearings adopted in the drawing, and a cylindrical roller bearing, a needle bearing and a directional ball bearing can be adopted as the supports. Preferably, the needle roller bearing can bear larger radial force, has good rigidity and small radial size, can be conveniently installed in a narrow space without installing an inner ring and an outer ring.
According to the technical scheme, the high-rotating-speed horizontal single-stage reduction gearbox with the bearing lubricating structure is integrated by a horizontal single-stage speed reducer and a differential, and comprises a box body 1, a high-rotating-speed input gear shaft 2, a high-rotating-speed input gear shaft bearing 3, an intermediate gear 4, an intermediate shaft 5, a cavity 6, a differential 7, a differential output gear 8, a rib plate 9, an oil guide hole 10, an oil guide groove 11, an oil storage groove 12, a bearing cover plate 13 and an oil passage 14; the bearing cover plate 13 and the oil storage tank 12 enclose the oil storage tank 12, and the oil guide hole 10 is arranged at one end of the oil storage tank 12; the oil storage tank 12 is communicated with the oil passage 14 through the oil guide hole 10; the other end of the oil passage 14 is disposed in the axial direction of the high rotational speed input gear shaft bearing 3. In order to ensure that the high-speed input gear shaft 2 has no axial displacement, a bearing cover plate 13 is additionally arranged. Thereby at the inside oil return circuit that forms of box 1, when each inside high rotational speed operation of part of box 1, the inside lubricating oil of box 1 is through splashing phenomenon and inertia effect down to the oil storage tank 12 in, rethread oil duct 14 flows into on high rotational speed input gear shaft bearing 3, thereby under the prerequisite that does not increase oil pump system helping hand, optimize the box structure, can reduce the lubrication cost, and the production efficiency is improved, and the solution is under the prerequisite of guaranteeing that inner space compact structure is being considered, guarantees to the lubricated technical problem who targets in place of high rotational speed input gear shaft bearing.
Further, the oil reservoir 12 includes a flat section 16 and an inclined section 17; the gentle section 16 is connected with the inclined section 17; the inclined sections 17 are arranged at both ends of the gentle section 16; the oil guide hole 10 is disposed at the center of the flat section 16.
Specifically, during the operation of the high-speed horizontal single-stage reduction gearbox, lubricating oil in the gearbox slides into the gentle section 16 through the inclined section 17 through the splashing phenomenon and the inertia effect, and the lubricating oil can be temporarily stored in the gentle section 16. Presetting the radian of the joint of the inclined section 17 and the gentle section 16, adjusting the speed of the lubricating oil entering the gentle section 16, and further adjusting the speed of the lubricating oil flowing into the high-rotating-speed input gear shaft bearing 3 through the oil passage 14.
Further, the oil reservoir 12 is provided in plurality; the oil storage tanks 12 are connected and arranged on the circumference of the outer wall of the high-rotation-speed input gear shaft bearing 3; the inclined sections 17 of adjacent reservoirs 12 are connected.
Specifically, a plurality of oil circuits are formed by a plurality of oil reservoirs 12 provided on the high rotational speed input gear shaft bearing 3, and corresponding oil passages 14, thereby optimizing the lubrication action on the high rotational speed input gear shaft bearing 3.
Further, the rib plate 9 further comprises a convex section 18 and an extension section 15; the convex section 18 is connected with the extension section 15; the highest point of the convex section 18 is positioned in the radial direction of the high-rotating-speed input gear shaft bearing 3; the width of the end of the extension section 15 connected with the convex section 18 is smaller than the width of the end of the convex section 18 connected with the extension section 15.
Specifically, through setting up the protruding section 18 and the extension section 15 of size nonconformity for remain lubricating oil in oil storage tank 12 when rotating along with high rotational speed input gear shaft bearing 3 through the phenomenon of splashing in the box, the torrent phenomenon that appears is more showing, thereby optimizes the lubrication action to high rotational speed input gear shaft bearing 3.
Further, one end of the bearing cover plate 13 is higher than the edge of the outer wall of the high-rotation-speed input gear shaft bearing 3; one end of the bearing cover plate 13 is lower than the high-rotation-speed input gear shaft bearing 3 and is connected with the outer wall of the high-rotation-speed input gear shaft.
Specifically, the above design can make the internal space of the reduction gearbox compact, and further, in order to ensure the tight connection between the high-speed input gear shaft 2 and the bearing cover plate 13, the high-speed input gear shaft 2 has no axial displacement.
Further, deep groove ball bearings are selected for the high-rotation-speed input gear shaft bearings 3.
Further, the included angle between the bearing cover plate 13 and the outer wall edge of the high-speed input gear shaft bearing 3 is an obtuse angle.
Specifically, the included angle between the bearing cover plate 13 and the outer wall edge of the high-speed input gear shaft bearing 3 is an obtuse angle, so that the amount of the lubricating oil splashed into the oil storage tank 12 through the oil guide hole 10 is increased.
Further, the included angle between the horizontal plane of the differential and the horizontal plane of the high-speed input gear shaft 2 is 21 degrees.
According to the technical scheme, the high-rotating-speed transverse single-stage reduction gearbox with the bearing lubricating structure is integrated by a transverse single-stage reduction gear and a differential, and the bearing cover plate 13 is additionally arranged for ensuring that the high-rotating-speed input gear shaft 2 is axially not displaced. Thereby at the inside oil return circuit that forms of box 1, when each inside high rotational speed operation of part of box 1, the inside lubricating oil of box 1 is through splashing phenomenon and inertia effect down to the oil storage tank 12 in, rethread oil duct 14 flows into on high rotational speed input gear shaft bearing 3, thereby under the prerequisite that does not increase oil pump system helping hand, optimize the box structure, can reduce the lubrication cost, and the production efficiency is improved, and the solution is under the prerequisite of guaranteeing that inner space compact structure is being considered, guarantees to the lubricated technical problem who targets in place of high rotational speed input gear shaft bearing.

Claims (8)

1. A high-rotating-speed horizontal single-stage reduction gearbox with a bearing lubricating structure is characterized by comprising a box body (1), a high-rotating-speed input gear shaft (2), a high-rotating-speed input gear shaft bearing (3), an intermediate gear (4), an intermediate shaft (5), a cavity (6), a differential (7), a differential output gear (8), a rib plate (9), an oil guide hole (10), an oil guide groove (11), an oil storage groove (12), a bearing cover plate (13) and an oil duct (14);
the cavity (6) is arranged inside the box body (1);
the high-rotating-speed input gear shaft (2), the high-rotating-speed input gear shaft bearing (3), the intermediate gear (4), the intermediate shaft (5), the differential (7), the differential output gear (8), the rib plate (9), the oil guide hole (10), the oil guide groove (11), the oil storage groove (12), the bearing cover plate (13) and the oil duct (14) are arranged in the cavity (6);
the middle shaft (5) is arranged in the middle of the cavity (6);
the high-rotation-speed input gear shaft (2) and the differential (7) are arranged on two opposite radial sides of the intermediate shaft (5);
the horizontal plane of the axis of the high-rotation-speed input gear shaft (2) is higher than the horizontal plane of the axis of the intermediate shaft (5);
the horizontal plane of the axis of the intermediate shaft (5) is higher than the horizontal plane of the axis of the differential (7); the high-rotating-speed input gear shaft bearing (3) is sleeved on the outer wall of the high-rotating-speed input gear shaft (2);
the intermediate gear (4) is sleeved on the outer wall of the intermediate shaft (5);
the differential output gear (8) is sleeved on the outer wall of the differential (7);
the high-rotating-speed input gear shaft bearing (3) is meshed with the intermediate gear (4);
the intermediate gear (4) is meshed with the differential output gear (8);
the rib plate (9) is arranged on the inner wall of the cavity (6);
the oil guide groove (11) is radially arranged on the outer wall of the high-rotation-speed input gear shaft along the high-rotation-speed input gear shaft bearing (3); the bearing cover plate (13) is arranged on the edge of the outer wall of the high-rotation-speed input gear shaft bearing (3);
the oil storage tank (12) is arranged on the circumference of the outer wall of the high-rotation-speed input gear shaft bearing (3) and is abutted against the bearing cover plate (13);
the oil guide hole (10) is communicated with the oil storage tank (12);
the oil storage tank (12) is communicated with the oil duct (14) through the oil guide hole (10);
one end of the oil duct (14) far away from the oil guide hole is arranged in the axial direction of the high-rotating-speed input gear shaft bearing (3).
2. A high speed transverse single stage reduction gearbox with bearing lubrication architecture according to claim 1, wherein said oil reservoir (12) comprises a flat section (16) and an inclined section (17);
the flat section (16) is connected with the inclined section (17);
the oil guide hole (10) is arranged in the center of the gentle section (16).
3. The high-speed transverse single-stage reduction gearbox with bearing lubrication structure as claimed in claim 2, wherein the oil storage tank (12) is provided in plurality;
the oil storage tanks (12) are connected and arranged on the circumference of the outer wall of the high-rotation-speed input gear shaft bearing (3);
the inclined sections (17) of the adjacent oil storage tanks (12) are connected.
4. A high-speed transverse single-stage reduction gearbox with a bearing lubricating structure according to claim 1, characterized in that the rib plate (9) further comprises a convex section (18) and an extension section (15);
the convex section (18) is connected with the extension section (15);
the highest point of the convex section (18) is positioned in the radial direction of the high-rotating-speed input gear shaft bearing (3);
the width of the end, connected with the protruding section (18), of the extending section (15) is smaller than that of the end, connected with the extending section (15), of the protruding section (18).
5. The high-speed transverse single-stage reduction gearbox with the bearing lubricating structure according to claim 1, wherein one end of the bearing cover plate (13) is higher than the edge of the outer wall of the high-speed input gear shaft bearing (3);
one end of the bearing cover plate (13) is lower than the high-rotation-speed input gear shaft bearing (3) and is connected with the outer wall of the high-rotation-speed input gear shaft.
6. The high-speed transverse single-stage reduction gearbox with the bearing lubricating structure according to claim 1, wherein the high-speed input gear shaft bearing (3) is a deep groove ball bearing.
7. The high-speed transverse single-stage reduction gearbox with the bearing lubricating structure according to claim 1, wherein an included angle between the bearing cover plate (13) and the outer wall edge of the high-speed input gear shaft bearing (3) is an obtuse angle.
8. A high speed transverse single stage reduction gearbox with bearing lubrication structure according to claim 1, wherein the included angle between the horizontal plane of the differential and the horizontal plane of the high speed input gear shaft (2) is 21 °.
CN201921533593.2U 2019-09-16 2019-09-16 High-rotating-speed transverse single-stage reduction gearbox with bearing lubricating structure Expired - Fee Related CN211175236U (en)

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CN201921533593.2U CN211175236U (en) 2019-09-16 2019-09-16 High-rotating-speed transverse single-stage reduction gearbox with bearing lubricating structure

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Application Number Priority Date Filing Date Title
CN201921533593.2U CN211175236U (en) 2019-09-16 2019-09-16 High-rotating-speed transverse single-stage reduction gearbox with bearing lubricating structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113858888A (en) * 2021-09-26 2021-12-31 方盛车桥(柳州)有限公司 Novel structure door type bridge wheel assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113858888A (en) * 2021-09-26 2021-12-31 方盛车桥(柳州)有限公司 Novel structure door type bridge wheel assembly

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