CN210196418U - Novel heavy multi-gear transmission forced lubrication system - Google Patents
Novel heavy multi-gear transmission forced lubrication system Download PDFInfo
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- CN210196418U CN210196418U CN201920765785.XU CN201920765785U CN210196418U CN 210196418 U CN210196418 U CN 210196418U CN 201920765785 U CN201920765785 U CN 201920765785U CN 210196418 U CN210196418 U CN 210196418U
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Abstract
The utility model belongs to the technical field of heavy-duty automobile transmissions, in particular to a novel heavy-duty multi-gear transmission forced lubrication system; the lubricating oil pump, the lubricating oil pipe and the transmission shaft inner hole structure are reasonably arranged, so that the oil adding amount is reduced, the precise lubrication of key parts such as a transmission gear, a bearing, an oil seal and the like is realized, the sufficient lubrication of key lubricating points of the transmission under the special running working condition of the whole vehicle is ensured, and the reliability and the fuel economy of the transmission are improved.
Description
Technical Field
The utility model belongs to the technical field of heavy automobile derailleur, concretely relates to novel heavy many grades of derailleur force-feed lubrication system.
Background
At present, a heavy tractor transmission generally adopts a splash lubrication mode, lubricating oil in a transmission shell is stirred through high-speed rotation of a transmission gear, and the lubricating oil is splashed to lubricate key parts such as gears, bearings and oil seals. The splash lubrication can not realize the accurate control of the lubricating oil quantity and the lubricating points, so that the transmission has the defects of large lubricating oil quantity, high working oil temperature and large gear transmission efficiency loss, and can not realize the sufficient lubrication of key lubricating points under the special running working conditions of the whole vehicle (such as steep and long slope climbing, steep and long slope descending or slope with side inclination), so that the reliability and the fuel economy of the transmission are reduced.
Disclosure of Invention
In order to overcome the problem, the utility model provides a novel heavy multi-gear derailleur force-feed lubrication system guarantees the abundant lubrication of the special operating mode lower derailleur key lubricating point of whole car to improve the reliability and the fuel economy of derailleur.
A novel heavy multi-gear transmission forced lubrication system comprises a middle shaft assembly 1, an oil collecting tray assembly 2, an oil suction pipe assembly 3, a filter screen 4, a main box oil injection pipe 5, a shaft assembly 6, a front shell 7 and a middle shell 8;
wherein the front housing 7 and the middle housing 8 are butted together and fixed, the front end of the intermediate shaft assembly 1 is installed in a bearing hole of the front housing 7 through a first cylindrical roller bearing 11, the rear end of the intermediate shaft assembly 1 is installed in a bearing hole of the middle housing 8 through a second cylindrical roller bearing 12, a shaft assembly 6 is installed on the front housing 7 through a third cylindrical roller bearing 62, and a first gear 61 on the shaft assembly 6 is meshed with a second gear 13 on the intermediate shaft assembly 1;
a ring groove 69 is arranged outside the first shaft assembly 6, a through hole 63 is arranged on the ring groove 69, a long hole 691 communicated with the through hole 63 is arranged inside the first shaft assembly 6, and a plurality of oil holes communicated with the long hole 691 are arranged on the first shaft assembly 6;
the oil collecting tray assembly 2 comprises an oil collecting tray body 29, a lubricating oil pump rotor 21, a stator 22 and an oil pump end cover 23, wherein the lubricating oil pump rotor 21 and the stator 22 are connected in a matched mode and then are jointly bolted to the oil pump end cover 23, the oil pump end cover 23 integrated with the lubricating oil pump rotor 21 and the stator 22 is bolted to the oil collecting tray body 29, and the oil collecting tray body 29 is provided with an oil suction port 24, an oil outlet 25, an oil duct inlet 26 in a shaft assembly and a plurality of connecting holes; the oil suction port 24 is communicated with the oil outlet 25, the oil outlet 25 is communicated with an inner oil channel inlet 26 of the shaft assembly, and the inner oil channel inlet 26 of the shaft assembly is communicated with an annular groove 28 arranged in a connecting hole on the oil collecting tray body 29;
a shaft assembly 6 penetrates through a connecting hole provided with an annular groove 28 on the oil collecting tray body 29, so that a ring groove 69 on the shaft assembly 6 is matched and connected with the annular groove 28 on the oil collecting tray body 29, then the oil collecting tray assembly 2 is connected on the front shell 7 through the oil collecting tray body 29 by bolts, and the lubricating oil pump rotor 21 is matched and connected with a groove 14 at the end part of the intermediate shaft assembly 1;
an oil outlet end 31 of the oil suction pipe assembly 3 is connected to the front shell 7 through a bolt, the oil outlet end 31 is communicated with the oil suction port 24, and the other end of the oil suction pipe assembly 3 is connected with the mounting hole in the middle shell 8 in a matched mode; the filter screen 4 is in threaded connection with the mounting hole of the middle shell 8, and the filter screen 4 is communicated with the oil suction pipe assembly 3;
an oil inlet end 51 of the main tank oil injection pipe 5 is connected to the front shell 7 through a bolt, the oil inlet end 51 is communicated with the oil outlet 25, and the other end of the main tank oil injection pipe 5 is connected with a corresponding mounting hole of the middle shell 8 in a matched mode; the main tank oil injection pipe 5 is provided with oil holes corresponding to a plurality of oil passages on the middle shell 8.
The utility model has the advantages that:
the utility model provides a novel heavy many grades of derailleur force-feed lubrication system through rational arrangement lubricating-oil pump, lubricating-oil pipe and derailleur axle hole structure, has reduced the volume of adding oil, realizes the accurate lubrication of key parts such as derailleur gear, bearing and oil blanket, guarantees the full lubrication of the special operating mode lower derailleur key lubricating point of whole car to the reliability and the fuel economy of derailleur have been improved.
Drawings
Fig. 1 is a schematic sectional view of the present invention.
Fig. 2 is a schematic view of a part of the structure of the present invention.
Fig. 3 is a schematic structural view of the oil collecting tray assembly of the present invention.
Fig. 4 is a schematic diagram of the external structure of the present invention.
Fig. 5 is a schematic view of a part of the structure of the present invention.
Fig. 6 is the utility model discloses a main tank spouts oil pipe structure schematic.
Fig. 7 is a partial schematic structural diagram of the present invention.
Wherein: 1 intermediate shaft assembly, 11 first cylindrical roller bearing, 12 second cylindrical roller bearing, 13 second gear, 14 groove, 2 oil collecting tray assembly, 21 lubricating oil pump rotor, 22 stator, 23 oil pump end cover, 24 oil suction port, 25 oil outlet, 26 oil passage inlet in one shaft assembly, 27 main tank oil spray pipe inlet oil passage, 28 annular groove, 29 oil collecting tray body, 291 first connecting hole, 292 second connecting hole and 293 third connecting hole, 3 oil suction pipe assembly, 31 oil outlet end, 32 oil inlet end, 4 filter screen, 5 main tank oil spray pipe, 51 sixth lubricating oil hole, 52 seventh lubricating oil hole, 53 eighth lubricating oil hole, 54 ninth lubricating oil hole, 55 tenth lubricating oil hole, 56 oil inlet end, 6 assembly, 61 first gear, 62 third cylindrical roller bearing, 63 through hole, 64 first lubricating oil hole, 65 second lubricating oil hole, 66 third lubricating oil hole, 67 fourth lubricating oil hole, 24 oil hole, oil pump end cover, 24 oil suction port, 25 oil outlet, 26 oil outlet end, 32 oil inlet end, 32 filter screen, 68 fifth lubricating oil hole, 69 ring groove, 691 long hole, 7 front shell and 8 middle shell.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, a novel heavy multi-gear transmission forced lubrication system comprises a middle shaft assembly 1, an oil collecting tray assembly 2, an oil suction pipe assembly 3, a filter screen 4, a main tank oil injection pipe 5, a shaft assembly 6, a front housing 7 and a middle housing 8;
wherein the front housing 7 and the middle housing 8 are butted together and fixed, the front end of the intermediate shaft assembly 1 is installed in a bearing hole of the front housing 7 through a first cylindrical roller bearing 11, the rear end of the intermediate shaft assembly 1 is installed in a bearing hole of the middle housing 8 through a second cylindrical roller bearing 12, a shaft assembly 6 is installed on the front housing 7 through a third cylindrical roller bearing 62, and a first gear 61 on the shaft assembly 6 is meshed with a second gear 13 on the intermediate shaft assembly 1;
as shown in fig. 1 and 7, a ring groove 69 is provided outside a shaft assembly 6, a through hole 63 is provided on the ring groove 69, a long hole 691 communicating with the through hole 63 is provided inside the shaft assembly 6, five oil holes perpendicular to the long hole 691 and communicating with the long hole 691 are provided on the shaft assembly 6, respectively: a first lubricating oil hole 64, a second lubricating oil hole 65, a third lubricating oil hole 66, a fourth lubricating oil hole 67 and a fifth lubricating oil hole 68;
as shown in fig. 3, the oil collecting tray assembly 2 includes an oil collecting tray body 29, a lubricant pump rotor 21, a stator 22 and an oil pump end cover 23, wherein the lubricant pump rotor 21 and the stator 22 are jointly bolted to the oil pump end cover 23 after being connected in a matching manner, the oil pump end cover 23 integrated with the lubricant pump rotor 21 and the stator 22 is bolted to a first connection hole 291 of the oil collecting tray body 29, and the oil collecting tray body 29 is further provided with an oil suction port 24, an oil outlet 25, an oil passage inlet 26 in a shaft assembly, a second connection hole 292 and a third connection hole 293; the oil suction port 24 is communicated with the oil outlet 25, the oil outlet 25 is communicated with a shaft assembly inner oil passage inlet 26, and the shaft assembly inner oil passage inlet 26 is communicated with an annular groove 28 arranged in the second connecting hole 292; the third connection hole 293 for bolting with the front housing 7;
as shown in fig. 1, 3 and 7, a shaft assembly 6 passes through the second connecting hole 292 on the oil collecting tray body 29, the annular groove 69 on the shaft assembly 6 is matched and connected with the annular groove 28 on the oil collecting tray body 29, the oil collecting tray assembly 2 is bolted on the front housing 7 through the oil collecting tray body 29, and the lubricating oil pump rotor 21 is matched and connected with the groove 14 at the end part of the intermediate shaft assembly 1;
as shown in fig. 2, 4 and 5, the oil outlet end 31 of the oil suction pipe assembly 3 is bolted to the front shell 7, the oil outlet end 31 is communicated with the oil suction port 24, and the oil inlet end 32 at the other end of the oil suction pipe assembly 3 is connected with the mounting hole on the middle shell 8 in a matching manner; the filter screen 4 is in threaded connection with the mounting hole of the middle shell 8, and the filter screen 4 is communicated with the oil inlet end 32 of the oil suction pipe assembly 3;
as shown in fig. 2, 5 and 6, an oil inlet end 56 of the main tank oil injection pipe 5 is bolted to the front housing 7, the oil inlet end 56 is communicated with the oil outlet 25, and the other end of the main tank oil injection pipe 5 is connected with a corresponding mounting hole of the middle housing 8 in a matching manner; the main tank oil injection pipe 5 is provided with oil holes corresponding to five oil passages of the middle housing 8, namely a sixth lubricating oil hole 51, a seventh lubricating oil hole 52, an eighth lubricating oil hole 53, a ninth lubricating oil hole 54 and a tenth lubricating oil hole 55.
The oil collecting tray body 29 on the oil collecting tray assembly 2 can also be provided with a main tank oil injection pipe inlet oil duct 27, the main tank oil injection pipe inlet oil duct 27 is communicated with an inner oil duct inlet 26 of the shaft assembly, and when necessary, lubricating oil discharged from the oil outlet 25 can be divided into one path for lubricating the intermediate shaft brake.
When the whole vehicle runs, the engine drives a shaft assembly 6 to rotate, the shaft assembly 6 is meshed with the second gear 13 through the first gear 6-1 and drives the intermediate shaft assembly 1 to rotate, the intermediate shaft assembly 1 drives the lubricating oil pump rotor 21 to rotate through the groove 14 at the end part, the lubricating oil pump rotor 21 and the lubricating oil pump stator 22 are matched to attract lubricating oil in the transmission to enter the oil suction pipe assembly 3 after being filtered by the filter screen 4, and then enter the oil inlet 24 of the oil collecting tray assembly 2 and be discharged from the oil outlet 25 of the oil collecting tray assembly 2.
A part of the lubricating oil discharged from the oil outlet 25 enters the annular groove 28 through the inner oil passage inlet 26 of the shaft assembly, so that the lubricating oil enters the through hole 63 in the shaft assembly 6, and then flows into the first lubricating oil hole 64, the second lubricating oil hole 65, the third lubricating oil hole 66, the fourth lubricating oil hole 67 and the fifth lubricating oil hole 68 through the long hole 691 in the shaft assembly 6 to be sprayed out, so that the precise lubrication of a target lubricating point is realized;
and a part of the lubricating oil discharged through the oil outlet 25 passes through a sixth lubricating oil hole 51, a seventh lubricating oil hole 52, an eighth lubricating oil hole 53, a ninth lubricating oil hole 54 and a tenth lubricating oil hole 55 on the main tank oil injection pipe 5, so that the precise lubrication of the target lubricating point is realized.
Claims (1)
1. A novel forced lubrication system of a heavy multi-gear transmission is characterized by comprising a middle shaft assembly (1), an oil collecting tray assembly (2), an oil suction pipe assembly (3), a filter screen (4), a main box oil injection pipe (5), a first shaft assembly (6), a front shell (7) and a middle shell (8);
the front shell (7) and the middle shell (8) are butted together and fixed, the front end of the intermediate shaft assembly (1) is installed in a bearing hole of the front shell (7) through a first cylindrical roller bearing (11), the rear end of the intermediate shaft assembly (1) is installed in a bearing hole of the middle shell (8) through a second cylindrical roller bearing (12), a shaft assembly (6) is installed on the front shell (7) through a third cylindrical roller bearing (62), and a first gear (61) on the shaft assembly (6) is meshed with a second gear (13) on the intermediate shaft assembly (1);
an annular groove (69) is arranged outside the first shaft assembly (6), a through hole (63) is arranged on the annular groove (69), a long hole (691) communicated with the through hole (63) is arranged inside the first shaft assembly (6), and a plurality of oil holes communicated with the long hole (691) are arranged on the first shaft assembly (6);
the oil collecting tray assembly (2) comprises an oil collecting tray body (29), a lubricating oil pump rotor (21), a stator (22) and an oil pump end cover (23), wherein the lubricating oil pump rotor (21) and the stator (22) are connected in a matched mode and then are jointly bolted on the oil pump end cover (23), the oil pump end cover (23) integrated with the lubricating oil pump rotor (21) and the stator (22) is bolted on the oil collecting tray body (29), and the oil collecting tray body (29) is provided with an oil suction port (24), an oil outlet (25), an oil duct inlet (26) and a plurality of connecting holes; the oil suction port (24) is communicated with the oil outlet (25), the oil outlet (25) is communicated with an inner oil duct inlet (26) of the shaft assembly, and the inner oil duct inlet (26) of the shaft assembly is communicated with an annular groove (28) arranged in a connecting hole on the oil collecting disc body (29);
a shaft assembly (6) penetrates through a connecting hole provided with an annular groove (28) on an oil collecting disc body (29), so that a ring groove (69) on the shaft assembly (6) is matched and connected with the annular groove (28) on the oil collecting disc body (29), the oil collecting disc body (29) is connected to a front shell (7) through bolts, and a lubricating oil pump rotor (21) is matched and connected with a groove (14) at the end part of a middle shaft assembly (1);
an oil outlet end (31) of the oil suction pipe assembly (3) is connected to the front shell (7) through a bolt, the oil outlet end (31) is communicated with the oil suction port (24), and the other end of the oil suction pipe assembly (3) is connected with a mounting hole in the middle shell (8) in a matched mode; the filter screen (4) is in threaded connection with the mounting hole of the middle shell (8), and the filter screen (4) is communicated with the oil suction pipe assembly (3);
an oil inlet end (51) of the main tank oil injection pipe (5) is connected to the front shell (7) through a bolt, the oil inlet end (51) is communicated with the oil outlet (25), and the other end of the main tank oil injection pipe (5) is connected with a corresponding mounting hole of the middle shell (8) in a matched mode; the main tank oil injection pipe (5) is provided with oil holes corresponding to a plurality of oil passages on the middle shell (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920765785.XU CN210196418U (en) | 2019-05-27 | 2019-05-27 | Novel heavy multi-gear transmission forced lubrication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920765785.XU CN210196418U (en) | 2019-05-27 | 2019-05-27 | Novel heavy multi-gear transmission forced lubrication system |
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| CN210196418U true CN210196418U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920765785.XU Active CN210196418U (en) | 2019-05-27 | 2019-05-27 | Novel heavy multi-gear transmission forced lubrication system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998056A (en) * | 2020-07-30 | 2020-11-27 | 东风商用车有限公司 | Self-lubricating planet wheel derailleur auxiliary tank |
| CN113446390A (en) * | 2021-07-22 | 2021-09-28 | 中国第一汽车股份有限公司 | Transmission oil coolant circulation system, control method, vehicle, and storage medium |
| CN113819228A (en) * | 2021-09-15 | 2021-12-21 | 中国重汽集团济南动力有限公司 | AMT gearbox brake force-feed lubrication system |
| CN113847396A (en) * | 2021-09-18 | 2021-12-28 | 陕西法士特齿轮有限责任公司 | Speed changer of pure electric loader |
| CN114046350A (en) * | 2021-10-26 | 2022-02-15 | 一汽解放汽车有限公司 | Transmission structure of transmission |
| DE102021125199B3 (en) | 2021-09-29 | 2023-01-05 | Audi Aktiengesellschaft | Drive device for a motor vehicle with a multi-function cover |
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2019
- 2019-05-27 CN CN201920765785.XU patent/CN210196418U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998056A (en) * | 2020-07-30 | 2020-11-27 | 东风商用车有限公司 | Self-lubricating planet wheel derailleur auxiliary tank |
| CN113446390A (en) * | 2021-07-22 | 2021-09-28 | 中国第一汽车股份有限公司 | Transmission oil coolant circulation system, control method, vehicle, and storage medium |
| CN113446390B (en) * | 2021-07-22 | 2023-02-21 | 中国第一汽车股份有限公司 | Transmission oil coolant circulation system, control method, vehicle, and storage medium |
| CN113819228A (en) * | 2021-09-15 | 2021-12-21 | 中国重汽集团济南动力有限公司 | AMT gearbox brake force-feed lubrication system |
| CN113847396A (en) * | 2021-09-18 | 2021-12-28 | 陕西法士特齿轮有限责任公司 | Speed changer of pure electric loader |
| DE102021125199B3 (en) | 2021-09-29 | 2023-01-05 | Audi Aktiengesellschaft | Drive device for a motor vehicle with a multi-function cover |
| WO2023052432A1 (en) | 2021-09-29 | 2023-04-06 | Audi Ag | Drive device for a motor vehicle, said drive device comprising a multi-functional closure cover |
| CN114046350A (en) * | 2021-10-26 | 2022-02-15 | 一汽解放汽车有限公司 | Transmission structure of transmission |
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