阅读说明：本技术 一种变速器轴承供油润滑装置 (Oil supply lubricating device for bearing of transmission ) 是由 叶筱 陈斌 黄兴华 王莎 沈骏 肖兰兰 于 2019-12-13 设计创作，主要内容包括：本发明涉及一种变速器轴承供油润滑装置,包括位于变速器壳体内的集油槽和导油轮；变速器壳体内设有输入轴、输出轴和连接轴承,其中输出轴为齿轮轴,其上设置有输出轴常啮合齿轮,连接轴承安装在输入轴与输出轴的结合位置,且位于输出轴常啮合齿轮的中空孔内；集油槽上设有油嘴,导油轮与输出轴常啮合齿轮连接,二者配合形成导油腔,油嘴位于导油腔的正上方；输出轴常啮合齿轮上设有与导油腔连通且通向连接轴承的斜孔。本发明的一种变速器轴承供油润滑装置,结构简单,使用方便,可以实现在狭小空间内对连接轴承位置连续、充分的供油润滑效果,大大提高了轴承的工作性能和使用寿命。(The invention relates to a transmission bearing oil supply and lubrication device, which comprises an oil collecting groove and an oil guide wheel which are positioned in a transmission shell; an input shaft, an output shaft and a connecting bearing are arranged in the transmission shell, wherein the output shaft is a gear shaft, an output shaft normally meshed gear is arranged on the output shaft, and the connecting bearing is arranged at the combination position of the input shaft and the output shaft and is positioned in a hollow hole of the output shaft normally meshed gear; the oil collecting tank is provided with an oil nozzle, the oil guide wheel is connected with the output shaft normally meshed gear, the oil guide wheel and the output shaft normally meshed gear are matched to form an oil guide cavity, and the oil nozzle is positioned right above the oil guide cavity; the output shaft normally meshed gear is provided with an inclined hole communicated with the oil guide cavity and communicated to the connecting bearing. The oil supply lubricating device for the bearing of the transmission, disclosed by the invention, has the advantages of simple structure and convenience in use, can realize the continuous and sufficient oil supply lubricating effect on the position of the connecting bearing in a narrow space, and greatly improves the working performance and service life of the bearing.)

1. A kind of speed change gear bearing supplies the oil lubricator, its characteristic is: the transmission comprises an oil collecting tank and an oil guide wheel which are positioned in a transmission shell;

an input shaft, an output shaft and a connecting bearing are arranged in the transmission shell, wherein the output shaft is a gear shaft, an output shaft normally meshed gear is arranged on the output shaft, and the connecting bearing is arranged at the combination position of the input shaft and the output shaft and is positioned in a hollow hole of the output shaft normally meshed gear;

the oil collecting tank is provided with an oil nozzle, the oil guide wheel is connected with the output shaft normally meshed gear, the oil guide wheel and the output shaft normally meshed gear are matched to form an oil guide cavity, and the oil nozzle is positioned right above the oil guide cavity;

the output shaft normally meshed gear is provided with an inclined hole communicated with the oil guide cavity and communicated to the connecting bearing.

2. The oil supply and lubrication device for the bearing of the transmission as claimed in claim 1, wherein the oil guide wheel mainly comprises an annular conical plate, a side baffle, an axial clamping plate, a radial clamping plate and a blade;

two end surfaces of the annular conical plate are a surface A and a surface B respectively, and the surface B extends outwards along the radial direction to form a side baffle;

the axial clamping plates and the radial clamping plates are arc-shaped plates, the number of the axial clamping plates is the same, the number of the radial clamping plates is multiple, one thickness surface of each axial clamping plate is attached to the surface A, and one thickness surface of each radial clamping plate is attached to the inner peripheral surface of the annular conical plate near the surface B;

the number of the blades is multiple, the blades are connected with the annular conical plate and the side baffle to form an impeller-shaped structure, and openings facing the blades are formed in the positions, close to the root parts of the blades, on the annular conical plate;

the number of the inclined holes is equal to that of the annular conical plate openings, and the hole openings of the inclined holes are aligned with the annular conical plate openings;

an annular conical surface is arranged inside the gear teeth of the output shaft normally-meshed gear close to the output end face and comprises a first annular conical surface and a second annular conical surface, and the second annular conical surface is positioned in the first annular conical surface;

an axial clamping groove for embedding an axial clamping plate is formed in the end face of the output shaft normally-meshed gear, and a radial clamping groove for embedding a radial clamping plate is formed in the second conical surface of the output shaft normally-meshed gear;

each blade comprises two opposite thickness surfaces, namely a surface C and a surface D, wherein the surface C is attached to the side baffle, and the surface D is arranged in a profiling mode with the first annular conical surface of the output shaft normally meshed gear and attached to the first annular conical surface;

the end face of the output shaft normally meshed gear, the first annular conical surface and the side baffle plate of the oil guide wheel are matched to form an oil guide cavity.

3. A transmission bearing oil supply lubrication device according to claim 2 wherein all of the axial seizing plates, all of the radial seizing plates or all of the vanes are of the same shape and size and are evenly distributed.

4. The transmission bearing oil supply lubrication device according to claim 1, wherein the output shaft constant mesh gear is integrally formed with the output shaft.

5. A transmission bearing oil feed lubrication device as claimed in claim 1 in which the input and output shafts are coaxial.

6. The device of claim 5, wherein the transmission housing further comprises an intermediate shaft, the intermediate shaft is provided with a gear assembly, and the central axis of the intermediate shaft is parallel to the central axis of the input shaft.

Technical Field

The invention belongs to the technical field of transmissions and relates to an oil supply and lubrication device for a transmission bearing.

Background

The transmission includes a housing having an interior cavity and an input shaft, an output shaft and an intermediate shaft located in the interior cavity, power being transmitted from the input shaft to the output shaft through the intermediate shaft. For a longitudinal transmission, the input shaft and the output shaft are usually coaxially arranged and connected through a bearing. Because the restriction of structure, often adopt to set up at the vertical upper end of casing inner chamber input shaft, output shaft to the lubrication of coupling bearing and lead the oil groove, lead the rotatory lubricated fluid that splashes of gear assembly in the oil groove collection casing cavity to with fluid through glib driping into near input shaft and output shaft hookup location, make fluid dip bearing mounted position in order to reach lubricated effect.

However, the immersed lubrication oil supply scheme cannot accurately introduce the lubricating oil into the position of the connecting bearing between the input shaft and the output shaft, which leads to the condition that the lubricating effect is not obvious and the bearing wear is aggravated, thus reducing the working performance and the service life of the bearing at the position, and being reflected in that the transmission efficiency is reduced and the vibration and the noise are aggravated as a whole.

Therefore, the research on the oil supply and lubrication device for the transmission bearing with good lubrication effect has very important significance.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, the lubricating effect is not obvious and the bearing abrasion is further aggravated because the lubricating oil cannot be accurately guided into the position of a connecting bearing of an input shaft and an output shaft in an immersion type lubricating oil supply scheme, and provides an oil supply lubricating device for a bearing of a transmission.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a kind of speed change gear bearing supplies the oil lubricating arrangement, including oil trap and oil guide wheel located in speed change gear body;

an input shaft, an output shaft and a connecting bearing are arranged in the transmission shell, wherein the output shaft is a gear shaft, an output shaft normally meshed gear is arranged on the output shaft, and the connecting bearing is arranged at the combination position of the input shaft and the output shaft and is positioned in a hollow hole of the output shaft normally meshed gear;

the oil collecting tank is provided with an oil nozzle, the oil guide wheel is connected with the output shaft normally meshed gear, the oil guide wheel and the output shaft normally meshed gear are matched to form an oil guide cavity, and the oil nozzle is positioned right above the oil guide cavity;

the output shaft normally meshed gear is provided with an inclined hole communicated with the oil guide cavity and communicated to the connecting bearing.

According to the invention, the oil guide wheel is additionally arranged to be matched with the output shaft normally-meshed gear to form the oil guide cavity, and meanwhile, the inclined hole is formed in the output shaft normally-meshed gear, so that oil can accurately reach the position of a connecting bearing of the input shaft and the output shaft, a better lubricating effect is obtained, and the bearing abrasion is slowed down.

As a preferred technical scheme:

according to the oil supply and lubrication device for the bearing of the transmission, the oil guide wheel mainly comprises the annular conical plate, the side baffle, the axial clamping plate, the radial clamping plate and the blades;

two end surfaces of the annular conical plate are a surface A and a surface B respectively, and the surface B extends outwards along the radial direction to form a side baffle;

the axial clamping plates and the radial clamping plates are arc-shaped plates, the number of the axial clamping plates is the same, the number of the radial clamping plates is multiple, one thickness surface of each axial clamping plate is attached to the surface A, and one thickness surface of each radial clamping plate is attached to the inner peripheral surface of the annular conical plate near the surface B;

the number of the blades is multiple, the blades are connected with the annular conical plate and the side baffle to form an impeller-shaped structure, and openings facing the blades are formed in the positions, close to the root parts of the blades, on the annular conical plate;

the number of the inclined holes is equal to that of the annular conical plate openings, and the hole openings of the inclined holes are aligned with the annular conical plate openings;

an annular conical surface is arranged inside the gear teeth of the output shaft normally-meshed gear close to the output end face and comprises a first annular conical surface and a second annular conical surface, and the second annular conical surface is positioned in the first annular conical surface;

an axial clamping groove for embedding an axial clamping plate is formed in the end face of the output shaft normally-meshed gear, and a radial clamping groove for embedding a radial clamping plate is formed in the second conical surface of the output shaft normally-meshed gear;

each blade comprises two opposite thickness surfaces, namely a surface C and a surface D, wherein the surface C is attached to the side baffle, and the surface D is arranged in a profiling mode with the first annular conical surface of the output shaft normally meshed gear and attached to the first annular conical surface;

the end face of the output shaft normally meshed gear, the first annular conical surface and the side baffle plate of the oil guide wheel are matched to form an oil guide cavity.

The oil guide wheel can be matched with the output shaft normally-meshed gear to form an oil guide cavity, oil is dripped into the oil guide cavity through the oil collecting tank oil nozzle, the occupied space of the design scheme is small, and lubrication of the connecting bearing can be well realized under the condition that the space is limited. The oil guide wheel is simple in structure and can be conveniently installed, and the oil guide performance is good due to the impeller-shaped blades and the annular conical plate.

According to the oil supply and lubrication device for the bearing of the transmission, all the axial clamping plates, all the radial clamping plates or all the blades are the same in shape and size and are uniformly distributed, so that the oil guide wheel is regular in structure and good in stability.

According to the oil supply and lubrication device for the bearing of the transmission, the output shaft and the normally meshed gear are integrally formed.

The transmission bearing oil supply lubricating device is characterized in that the input shaft and the output shaft are coaxial.

According to the oil supply and lubrication device for the transmission bearing, the intermediate shaft is further arranged in the transmission shell, the gear assembly is arranged on the intermediate shaft, and the central shaft of the intermediate shaft is parallel to the central shaft of the input shaft.

Compared with the prior technical scheme that oil is dripped into the position near the connecting bearing of the input shaft and the output shaft by adopting the oil collecting groove singly so that the oil is slowly immersed into the connecting bearing, the oil is dripped into the oil guide cavity formed by matching the normally meshed gear of the output shaft and the oil guide wheel through the oil nozzle of the oil collecting groove, then the oil entering the oil guide cavity is pressed into the inclined hole formed on the end face of the normally meshed gear of the output shaft by the oil guide wheel blade along with the rotation of the output shaft and the oil guide wheel, and thus the oil supply lubrication of the mounting position of the connecting bearing is realized. The invention can realize continuous and sufficient oil supply and lubrication of the connecting bearing position in a narrow space, thereby slowing down the bearing abrasion, greatly improving the working performance and prolonging the service life of the bearing.

Has the advantages that:

(1) the oil supply lubricating device for the bearing of the transmission has the advantages of small occupied space, simple structure and convenience in use;

(2) the oil supply lubricating device for the bearing of the transmission can realize continuous and sufficient oil supply lubrication at the position of the connecting bearing, greatly improves the working performance of the bearing of the transmission and prolongs the service life of the bearing of the transmission.

Drawings

FIG. 1 is a schematic overall view of a transmission bearing oil supply lubrication arrangement of the present invention;

FIG. 2 is a schematic view, partially in cross-section, of the internal portion of the transmission bearing oil supply lubrication assembly of the present invention;

FIG. 3 is an enlarged view of a portion of the transmission bearing oil supply lubrication arrangement of the present invention;

FIG. 4 is a schematic view of a tanker guide;

FIG. 5 is a schematic illustration of an output gear shaft;

the automatic oil-collecting device comprises a transmission shell, a transmission input shaft, a transmission output shaft, an intermediate shaft, an oil collecting tank, an oil guide wheel, an oil nozzle, a connecting bearing, a guide oil wheel, a side baffle, an oil collecting tank, a motor and a control unit, wherein the transmission shell comprises 1-a transmission shell, 2-an input shaft, 3-an output shaft, 4-an intermediate shaft, 5-a side baffle, 11-an annular conical plate, 12-blades, 13.1-an axial clamping plate, 13.2-a.

Detailed Description

The invention will be further illustrated with reference to specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

As shown in fig. 1 to 3, an oil supply and lubrication device for a transmission bearing comprises a transmission housing 1, an oil collecting tank 5, an oil guide wheel 9, an input shaft 2, an output shaft 3, an intermediate shaft 4, an output shaft normally meshed gear 6 and a connecting bearing 8, wherein the oil collecting tank 5, the oil guide wheel 9, the input shaft 2, the output shaft 3, the intermediate shaft 4, the output shaft normally meshed gear 6 and the connecting bearing 8 are;

the input shaft 2 and the output shaft 3 are coaxial, and the connecting bearing 8 is arranged at the combination position of the input shaft 2 and the output shaft 3 and is positioned in a hollow hole of the output shaft constant mesh gear 6; as shown in fig. 5, the output shaft constant mesh gear 6 is integrally formed with the output shaft 3, the output shaft constant mesh gear 6 includes a first annular tapered surface 19 and a second annular tapered surface 20, and the second annular tapered surface 20 is located in the first annular tapered surface 19; the gear assembly is arranged on the intermediate shaft 4, and the central shaft of the intermediate shaft 4 is parallel to the central shaft of the input shaft 2;

as shown in fig. 4, the oil guiding wheel 9 is composed of a ring cone plate 11, a side baffle plate 10, an axial clamping plate 13.1, a radial clamping plate 13.2 and blades 12; two end faces of the annular conical plate 11 are a face A and a face B respectively, and the face B extends outwards along the radial direction to form a side baffle 10; the axial clamping plates 13.1 and the radial clamping plates 13.2 are arc-shaped plates, the number of the axial clamping plates is the same, and the number of the radial clamping plates is multiple, one thickness surface of each axial clamping plate 13.1 is attached to the surface A, and one thickness surface of each radial clamping plate 13.2 is attached to the inner peripheral surface of the annular conical plate near the surface B; the number of the blades 12 is multiple, the blades are connected with the annular conical plate 11 and the side baffle 10 to form an impeller-shaped structure, and the annular conical plate 11 is provided with an opening 14 facing the blades 12 at the position close to the root of each blade 12; an axial clamping groove 15 for embedding the axial clamping plate 13.1 is formed in the end face 18 of the output shaft normally-meshed gear, and a radial clamping groove 16 for embedding the radial clamping plate 13.2 is formed in the second annular conical surface 20 of the output shaft normally-meshed gear; all the axial clamping plates 13.1, all the radial clamping plates 13.2 or all the blades 12 have the same shape and size and are uniformly distributed; each blade 12 comprises two opposite thickness surfaces, namely a surface C and a surface D, wherein the surface C is attached to the side baffle 10, and the surface D is arranged in a copying manner with the first annular conical surface 19 of the output shaft normally-meshed gear and attached to the first annular conical surface; the end surface 18 of the output shaft constant mesh gear, the first annular conical surface 19 and the side baffle plate 10 of the oil guiding wheel 9 are matched to form an oil guiding cavity; the output shaft normally meshed gear 6 is provided with inclined holes 17 communicated with the oil guide cavity and communicated to the connecting bearing 8, the number of the inclined holes 17 is the same as that of the annular conical plate openings 14, and the orifices of the inclined holes 17 are aligned with the annular conical plate openings 14;

the oil collecting tank 5 is provided with an oil nozzle 7, and the oil nozzle 7 is positioned right above the oil guide cavity.