CN110953328A - Reduction gearbox lubricating oil supply device - Google Patents

Reduction gearbox lubricating oil supply device Download PDF

Info

Publication number
CN110953328A
CN110953328A CN201911281431.9A CN201911281431A CN110953328A CN 110953328 A CN110953328 A CN 110953328A CN 201911281431 A CN201911281431 A CN 201911281431A CN 110953328 A CN110953328 A CN 110953328A
Authority
CN
China
Prior art keywords
oil
stainless steel
inclined hole
pipe
steel pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201911281431.9A
Other languages
Chinese (zh)
Other versions
CN110953328B (en
Inventor
叶筱
陈斌
黄兴华
王莎
沈骏
肖兰兰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai University of Engineering Science
Original Assignee
Shanghai University of Engineering Science
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai University of Engineering Science filed Critical Shanghai University of Engineering Science
Priority to CN201911281431.9A priority Critical patent/CN110953328B/en
Publication of CN110953328A publication Critical patent/CN110953328A/en
Application granted granted Critical
Publication of CN110953328B publication Critical patent/CN110953328B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/042—Guidance of lubricant
    • F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0467—Elements of gearings to be lubricated, cooled or heated
    • F16H57/0469—Bearings or seals
    • F16H57/0471—Bearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/048—Type of gearings to be lubricated, cooled or heated
    • F16H57/0493—Gearings with spur or bevel gears

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)

Abstract

The invention relates to a reduction gearbox lubricating oil supply device which comprises an oil pipe pre-buried in a reduction gearbox, wherein the reduction gearbox is provided with an oil inlet, the oil pipe is communicated with the oil inlet, the oil pipe is provided with a plurality of oil outlets, each oil outlet is used for directly guiding an oil agent to a part to be lubricated or is matched with an inclined hole arranged in the reduction gearbox to guide the oil agent to the part to be lubricated, and the oil pipe mainly comprises a first stainless steel pipe, a second stainless steel pipe and a shunting hollow pipe. According to the lubricating oil supply device for the reduction gearbox, the oil pipe is directly embedded in the shell in a precasting manner, so that the complex machining of oil duct holes is effectively reduced, the condition that a large number of plugs are used is avoided, the machining is convenient, and the cost is obviously reduced; the lubrication of the meshing gear assembly is greatly improved by arranging the shunt hollow pipe; the pre-buried oil pipe contains a stainless steel pipe, and the effect of enhancing the shell made of the aluminum alloy material can be achieved.

Description

Reduction gearbox lubricating oil supply device
Technical Field
The invention belongs to the technical field of transmissions, and relates to a reduction gearbox lubricating oil supply device.
Background
The reduction gearbox is used as a core component of an electric automobile power system, and a bearing, a gear and other components in the shell of the reduction gearbox are heated seriously under the condition of large torque and high rotating speed of a motor.
At present, under the condition of large torque and high rotating speed, an active lubrication mode is often adopted for lubricating a bearing assembly in a reduction gearbox shell, namely an oil channel hole is machined in the shell, and an oil pump is adopted to supply lubricating oil to a mounting position of a bearing through the oil channel hole so as to lubricate the bearing assembly. Although the bearing assembly can be sufficiently lubricated in this way, the installation position of each bearing is required to be provided with a lubricating oil channel, the machining of the lubricating oil channels is complex, the machining cost is high, and the mode of machining the oil channel usually needs a plurality of plugs to block the unnecessary holes left after the machining, and the cost of the plugs is higher; these factors result in costly means of active lubrication.
In addition, for the lubrication of the gear assembly in the reduction gearbox casing, a splash lubrication mode is often adopted, namely, oil at the bottom of the gearbox body is thrown to each part in the reduction gearbox casing through the rotation of the gear assembly for lubrication. This way does not have sufficient lubrication effect for other local positions in the reduction gearbox housing.
Therefore, it is very important to research a lubrication oil supply device which is easy to process and can lubricate all positions in the reduction gearbox shell.
Disclosure of Invention
The invention provides a reduction gearbox lubricating oil supply device, and aims to solve the problems that in the prior art, a lubricating device in a reduction gearbox shell is complex to process, high in cost and insufficient in lubrication on partial positions.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the oil pipe is communicated with the oil inlet, a plurality of oil outlets are arranged on the oil pipe, and each oil outlet is used for directly guiding an oil agent to a part to be lubricated or guiding the oil agent to the part to be lubricated by matching with an inclined hole arranged in the reduction gearbox.
As a preferred technical scheme:
according to the lubricating oil supply device for the reduction gearbox, the oil pipe mainly comprises the first stainless steel pipe, the second stainless steel pipe and the shunting hollow pipe, the reduction gearbox shell comprises the left shell and the right shell, the first stainless steel pipe is embedded in the left shell, the second stainless steel pipe is embedded in the right shell, the first stainless steel pipe and the second stainless steel pipe are installed in a matched mode through the left shell and the right shell to achieve conduction, and the shunting hollow pipe achieves conduction with the first stainless steel pipe through matching with the left shell.
The lubricating oil supply device for the reduction gearbox comprises a first stainless steel pipe, a second stainless steel pipe, a third stainless steel pipe, a fourth stainless steel pipe, a fifth stainless steel pipe, a sixth stainless steel pipe and a fifth stainless steel pipe.
According to the lubricating and oil-supplying device for the reduction gearbox, the first stainless steel pipe or the second stainless steel pipe is a bent pipeline and is bent and arranged along the periphery of the bearing hole.
According to the lubricating oil supply device for the reduction gearbox, the oil inlet is formed in the mounting end face of the active lubricating oil cooler on the outer side of the left shell and is communicated with the first stainless steel pipe, and the plug is arranged at the opening of the embedded oil pipe.
According to the lubricating and oil-supplying device for the reduction gearbox, the bearing hole position of the inner cavity of the left shell is provided with the first inclined hole, the second inclined hole, the third inclined hole and the fourth inclined hole, and the first stainless steel pipe is provided with the first oil outlet, the second oil outlet and the third oil outlet;
the first inclined hole is communicated with the first oil outlet, and the second inclined hole is communicated with the first inclined hole and used for guiding the oil agent to the output shaft bearing;
the third inclined hole is communicated with the second oil outlet, penetrates through the oil pipe, and is opened towards the meshing position of the differential half shaft gear and used for guiding the oil solution to the intermediate shaft bearing and the differential half shaft gear;
the fourth inclined hole is communicated with the third oil outlet and used for guiding the oil agent to the input shaft bearing;
and a plug is arranged at the drilling opening of the first inclined hole.
According to the invention, through the mutual matching of the oil outlet and the inclined hole, the oil agent can be guided to a plurality of guide parts to be lubricated simultaneously, and the problems that the lubricating device in the reduction gearbox shell in the prior art is complex in processing, high in cost and insufficient in lubricating partial positions are effectively solved.
According to the lubricating oil supply device for the reduction gearbox, a fifth inclined hole, a sixth inclined hole and a seventh inclined hole are machined in the position of the bearing hole of the inner cavity of the right shell, and a fourth oil outlet and a fifth oil outlet are formed in the second stainless steel pipe;
the fifth inclined hole is communicated with the machined hole, a plug is arranged at the opening of the machined hole, the sixth inclined hole is communicated with the fourth oil outlet, the seventh inclined hole is communicated with the fifth oil outlet, and the fifth inclined hole, the sixth inclined hole and the seventh inclined hole are used for guiding the oil agent to the upper bearing of the right shell.
According to the lubricating and oil supplying device for the reduction gearbox, the large-diameter cylinder of the shunting hollow pipe is provided with the row of sixth oil outlets and the row of seventh oil outlets, the sixth oil outlets are used for guiding the oil to the meshing position of the input shaft and the intermediate shaft gear, and the seventh oil outlets are used for guiding the oil to the meshing position of the intermediate shaft and the output shaft gear.
The principle of the invention is as follows:
the invention realizes the lubrication of the components in the shell of the reduction gearbox by adopting the way that the stainless steel oil pipe is pre-embedded in the reduction gearbox, a small number of machining pore canals are matched and the shunting hollow pipe is arranged. Particularly, compared with active lubrication, the mode of pre-embedding the oil pipe greatly reduces the machining beats of the lubricating oil passage, avoids machining of the oil passage which is difficult to machine, and greatly reduces the use of plugs, thereby obviously reducing the cost of the reduction gearbox; in addition, the shunting hollow tube is connected with the stainless steel tube, a plurality of oil outlets are formed in the wall surface of the shunting hollow tube, and a part of lubricating oil can be shunted out of the oil outlets, so that the local meshing gear assembly is lubricated.
Advantageous effects
(1) According to the lubricating oil supply device for the reduction gearbox, the oil pipe is directly embedded in the shell in a precasting manner, so that the complex machining of oil duct holes is effectively reduced, the condition that a large number of plugs are used is avoided, the machining is convenient, and the cost is obviously reduced;
(2) according to the lubricating and oil supplying device for the reduction gearbox, the lubrication of the meshing gear assembly is greatly improved by arranging the shunting hollow pipe;
(3) according to the lubricating and oil supplying device for the reduction gearbox, the pre-embedded oil pipe comprises the stainless steel pipe, and the effect of enhancing the shell made of the aluminum alloy material can be achieved.
Drawings
FIG. 1 is a schematic structural view of a gearbox shell of an embedded oil pipe in the invention;
FIG. 2 is a schematic structural view of an oil pipe;
FIG. 3 is a schematic diagram of a two-sided structure of the left shell, wherein (a) and (b) are two opposite sides of the left shell;
FIG. 4 is a schematic diagram of a double-sided structure of the right housing, wherein (c) and (d) are two opposite sides of the right housing;
FIG. 5 is a schematic view of the installation position of the shunt hollow tube;
FIG. 6 is a schematic view of a structure of a shunt hollow tube;
wherein: 1-left shell, 2-right shell, 3-first stainless steel pipe, 4-second stainless steel pipe, 5-shunt hollow pipe, 6-oil inlet, 7-first inclined hole, 8-second inclined hole, 9-third inclined hole, 10-fourth inclined hole, 11-hole, 12-opening a, 13-active lubricating oil cooler mounting end face, 14-opening b, 15-machining hole, 16-fifth inclined hole, 17-sixth inclined hole, 18-seventh inclined hole, 19-embedded oil pipe opening, 20-large diameter cylinder, 21-sixth oil outlet, 22-seventh oil outlet, 23-port, 24-buckle, 25-small diameter cylinder wall face, 26-input shaft, 27-intermediate shaft and 28-output shaft.
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.
The utility model provides a lubricated oil supply unit of reducing gear box, is equipped with oil inlet 6 including pre-buried oil pipe in the reducing gear box on the reducing gear box, and oil pipe and oil inlet 6 intercommunication are equipped with a plurality of oil-outs on the oil pipe, and each oil-out is used for directly leading the finish oil to treat lubricated part, perhaps with the inclined hole cooperation that sets up in the reducing gear box with the finish oil direction treat lubricated part.
As shown in fig. 2, the oil pipe is composed of a first stainless steel pipe 3, a second stainless steel pipe 4 and a shunt hollow pipe 5, wherein the first stainless steel pipe 3 or the second stainless steel pipe 4 is a bent pipeline and is bent along the periphery of the bearing hole; one end of the first stainless steel tube 3 is an opening 11 with a clamping groove, and the other end is an opening a 12.
As shown in fig. 6, the shunt hollow tube 5 is composed of a large-diameter cylinder 20 and a small-diameter cylinder which are coaxial and have end faces attached to each other, a buckle 24 is arranged on the end face of the large-diameter cylinder 20 attached to the end face of the small-diameter cylinder, the shunt hollow tube 5 is assembled on the left housing 1 through a small-diameter cylinder wall 25 in an interference fit manner to be communicated with the opening 11 of the first stainless steel tube 3, and the opening a 12 of the first stainless steel tube 3 is communicated with the opening b 14 of the second stainless steel tube 4 in a matching manner; a plug is arranged at a port 23 of the shunting hollow tube 5 far away from the first stainless steel tube 3, a row of sixth oil outlets 21 and a row of seventh oil outlets 22 are arranged on a large-diameter cylinder 20 of the shunting hollow tube 5, the sixth oil outlets 21 are used for guiding an oiling agent to a gear meshing position of an input shaft 26 and an intermediate shaft 27, the seventh oil outlets 22 are used for guiding the oiling agent to a gear meshing position on the intermediate shaft 27 and an output shaft 28, and a schematic view of the installation position of the shunting hollow tube 5 is shown in fig. 5.
As shown in fig. 1, the reduction gearbox housing includes a left housing 1 and a right housing 2; as shown in fig. 3, a first inclined hole 7, a second inclined hole 8, a third inclined hole 9 and a fourth inclined hole 10 are processed at the position of a bearing hole of an inner cavity of the left shell 1, and a first oil outlet, a second oil outlet and a third oil outlet are arranged on the first stainless steel tube 3; the first inclined hole 7 is communicated with the first oil outlet, and the second inclined hole 8 is communicated with the first inclined hole 7 and used for guiding the oil agent to an output shaft 28 bearing; a plug is arranged at the drilling opening of the first inclined hole 7; the third inclined hole 9 is communicated with the second oil outlet, the third inclined hole 9 penetrates through the oil pipe, and the opening of the third inclined hole faces the meshing position of the differential side gear and is used for guiding the oil solution to the bearing of the intermediate shaft 27 and the differential position side gear; the fourth inclined hole 10 is communicated with the third oil outlet and used for guiding the oil agent to the bearing of the input shaft 26; as shown in fig. 4, a fifth inclined hole 16, a sixth inclined hole 17 and a seventh inclined hole 18 are processed at the bearing hole position of the inner cavity of the right housing 2, and a fourth oil outlet and a fifth oil outlet are arranged on the second stainless steel tube 4; the fifth inclined hole 16 is communicated with the machined hole 15, plugs are arranged at the opening of the machined hole 15 and the opening 19 of the pre-buried oil pipe on the outer side of the shell, the sixth inclined hole 17 is communicated with the fourth oil outlet, the seventh inclined hole 18 is communicated with the fifth oil outlet, and the fifth inclined hole 16, the sixth inclined hole 17 and the seventh inclined hole 18 are used for guiding the oil agent to the upper bearing of the right shell 2.
The first stainless steel pipe 3 is embedded in the left shell 1, the second stainless steel pipe 4 is embedded in the right shell 2, the first stainless steel pipe 3 and the second stainless steel pipe 4 are conducted through the matching installation of the left shell 1 and the right shell 2, and the shunt hollow pipe 5 is conducted with the first stainless steel pipe 3 through the matching with the left shell 1;
the oil inlet 6 is arranged on the installation end surface 13 of the active lubricating oil cooler on the outer side of the left shell 1 and is communicated with the first stainless steel pipe 3.

Claims (8)

1. A reduction box lubricating oil supply device is characterized in that: the oil pipe is embedded in the reduction gearbox, an oil inlet is formed in the reduction gearbox, the oil pipe is communicated with the oil inlet, a plurality of oil outlets are formed in the oil pipe, and each oil outlet is used for directly guiding an oil agent to a part to be lubricated or is matched with an inclined hole formed in the reduction gearbox to guide the oil agent to the part to be lubricated.
2. The lubrication oil supply device of the reduction gearbox according to claim 1, wherein the oil pipe mainly comprises a first stainless steel pipe, a second stainless steel pipe and a shunting hollow pipe, the reduction gearbox shell comprises a left shell and a right shell, the first stainless steel pipe is embedded in the left shell, the second stainless steel pipe is embedded in the right shell, the first stainless steel pipe and the second stainless steel pipe are installed in a matched mode through the left shell and the right shell to achieve conduction, and the shunting hollow pipe is matched with the left shell to achieve conduction with the first stainless steel pipe.
3. The lubrication and oil supply device for the reduction gearbox according to claim 2, wherein one end of the first stainless steel pipe is a hole with a clamping groove, the other end of the first stainless steel pipe is an opening a, the shunt hollow pipe is composed of a large-diameter cylinder and a small-diameter cylinder which are coaxial and are attached to each other through end faces, a buckle is arranged on the end face where the large-diameter cylinder and the small-diameter cylinder are attached to each other, the shunt hollow pipe is assembled on the hole of the first stainless steel pipe through the wall face of the small-diameter cylinder and the buckle in an interference mode, the opening a of the first stainless steel pipe is matched and communicated with the opening b of the second stainless steel pipe, and a plug is arranged at a.
4. The reduction gearbox lubricating oil supply device according to claim 2, wherein the first stainless steel pipe or the second stainless steel pipe is a bent pipe and is bent along the periphery of the bearing hole.
5. The reduction gearbox lubricating oil supply device of claim 2, wherein the oil inlet is disposed on the mounting end face of the active lubricating oil cooler outside the left housing and is communicated with the first stainless steel tube.
6. The reduction gearbox lubricating oil supply device according to claim 2, wherein a first inclined hole, a second inclined hole, a third inclined hole and a fourth inclined hole are machined in the bearing hole position of the inner cavity of the left shell, and a first oil outlet, a second oil outlet and a third oil outlet are arranged on the first stainless steel pipe;
the first inclined hole is communicated with the first oil outlet, and the second inclined hole is communicated with the first inclined hole and used for guiding the oil agent to the output shaft bearing;
the third inclined hole is communicated with the second oil outlet, penetrates through the oil pipe, and is opened towards the meshing position of the differential half shaft gear and used for guiding the oil solution to the intermediate shaft bearing and the differential half shaft gear;
the fourth inclined hole is communicated with the third oil outlet and used for guiding the oil agent to the input shaft bearing;
and a plug is arranged at the drilling opening of the first inclined hole.
7. The reduction gearbox lubricating oil supply device according to claim 2, wherein a fifth inclined hole, a sixth inclined hole and a seventh inclined hole are machined in the bearing hole position of the inner cavity of the right shell, and a fourth oil outlet and a fifth oil outlet are formed in the second stainless steel pipe;
the fifth inclined hole is communicated with the machined hole, a plug is arranged at the opening of the machined hole, the sixth inclined hole is communicated with the fourth oil outlet, the seventh inclined hole is communicated with the fifth oil outlet, and the fifth inclined hole, the sixth inclined hole and the seventh inclined hole are used for guiding the oil agent to the upper bearing of the right shell.
8. A reduction gearbox lubricating oil supply device according to claim 3, characterized in that a row of sixth oil outlets and a row of seventh oil outlets are arranged on the large diameter cylinder of the shunting hollow pipe, the sixth oil outlets are used for guiding the oil to the meshing position of the input shaft and the intermediate shaft gear, and the seventh oil outlets are used for guiding the oil to the meshing position of the intermediate shaft and the output shaft gear.
CN201911281431.9A 2019-12-13 2019-12-13 Reduction gearbox lubricating oil supply device Active CN110953328B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911281431.9A CN110953328B (en) 2019-12-13 2019-12-13 Reduction gearbox lubricating oil supply device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911281431.9A CN110953328B (en) 2019-12-13 2019-12-13 Reduction gearbox lubricating oil supply device

Publications (2)

Publication Number Publication Date
CN110953328A true CN110953328A (en) 2020-04-03
CN110953328B CN110953328B (en) 2021-05-14

Family

ID=69981493

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911281431.9A Active CN110953328B (en) 2019-12-13 2019-12-13 Reduction gearbox lubricating oil supply device

Country Status (1)

Country Link
CN (1) CN110953328B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113819227A (en) * 2021-09-26 2021-12-21 一汽解放汽车有限公司 Middle axle speed reducer assembly
CN114483920A (en) * 2021-12-20 2022-05-13 上海工程技术大学 Integrated reduction gearbox of electric racing car

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204201026U (en) * 2014-10-22 2015-03-11 中国第一汽车股份有限公司 A kind of Novel main reducing gear lubrication system architecture
US20150128738A1 (en) * 2013-11-08 2015-05-14 Honda Motor Co., Ltd Lubrication strucutre for transmission
CN106523666A (en) * 2016-11-07 2017-03-22 昆山三环保科技有限公司 Oil supply structure of gearbox of steam centrifugal compressor
CN106641207A (en) * 2016-10-19 2017-05-10 索特传动设备有限公司 Self-lubricating system of speed reducer and speed reducer
CN207454732U (en) * 2017-08-25 2018-06-05 北京新能源汽车股份有限公司 Retarder lubricating system
CN109163080A (en) * 2018-10-19 2019-01-08 湖南力驰新能源科技有限公司 A kind of integral type retarder

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150128738A1 (en) * 2013-11-08 2015-05-14 Honda Motor Co., Ltd Lubrication strucutre for transmission
CN204201026U (en) * 2014-10-22 2015-03-11 中国第一汽车股份有限公司 A kind of Novel main reducing gear lubrication system architecture
CN106641207A (en) * 2016-10-19 2017-05-10 索特传动设备有限公司 Self-lubricating system of speed reducer and speed reducer
CN106523666A (en) * 2016-11-07 2017-03-22 昆山三环保科技有限公司 Oil supply structure of gearbox of steam centrifugal compressor
CN207454732U (en) * 2017-08-25 2018-06-05 北京新能源汽车股份有限公司 Retarder lubricating system
CN109163080A (en) * 2018-10-19 2019-01-08 湖南力驰新能源科技有限公司 A kind of integral type retarder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113819227A (en) * 2021-09-26 2021-12-21 一汽解放汽车有限公司 Middle axle speed reducer assembly
CN114483920A (en) * 2021-12-20 2022-05-13 上海工程技术大学 Integrated reduction gearbox of electric racing car

Also Published As

Publication number Publication date
CN110953328B (en) 2021-05-14

Similar Documents

Publication Publication Date Title
CN110953328B (en) Reduction gearbox lubricating oil supply device
CN205566014U (en) Electric main shaft of two coolings
CN205350304U (en) Lubricating system of derailleur output shaft assembly
CN104930173A (en) Wind turbine gearbox and lubricating, cooling and flushing structure of spline pair thereof
CN107100991B (en) Gear box
CN106838287B (en) A kind of gearbox oil way
CN104948721A (en) Planet wheel bearing lubrication structure of planetary reducer
CN215861676U (en) Speed reducer lubricating system
CN213512006U (en) Guiding type oil delivery mechanism of automobile transmission
CN212250170U (en) Camshaft structure
CN212986713U (en) Oil feeding distributor
CN212251039U (en) Transfer case force-feed lubrication structure
CN111828599A (en) Idle gear transmission lubricating structure
CN107143644B (en) Gearbox lubricating oil way
CN205047805U (en) Fan acceleration rate case and vice lubrication and cooling of spline washes structure thereof
CN218267186U (en) Rotating shaft inner hole lubricating structure
CN106594254A (en) Bearing lubricating structure
CN207539176U (en) One kind being capable of antiwear cross axle
CN220891035U (en) Planetary gear reduction box and motor vehicle
CN217081375U (en) Reducer housing with lubricating characteristic
CN116647081B (en) Cooling and lubricating system of driving assembly and vehicle
CN201916685U (en) Lube pump body of speed changing box
CN103639473A (en) Handheld electric drill
CN209483815U (en) A kind of bearing arrangement
CN107339409B (en) Gearbox torque converter casing

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant