CN218777398U - Three-gear electric drive bridge structure - Google Patents

Three-gear electric drive bridge structure Download PDF

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Publication number
CN218777398U
CN218777398U CN202223118609.8U CN202223118609U CN218777398U CN 218777398 U CN218777398 U CN 218777398U CN 202223118609 U CN202223118609 U CN 202223118609U CN 218777398 U CN218777398 U CN 218777398U
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CN
China
Prior art keywords
gear
shaft
shifting
electric drive
transmission gear
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Active
Application number
CN202223118609.8U
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Chinese (zh)
Inventor
徐可
邓丽华
田鹏飞
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.)
Jiangsu Huayong Composite Materials Co Ltd
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Jiangsu Huayong Composite Materials Co Ltd
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Priority to CN202223118609.8U priority Critical patent/CN218777398U/en
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Publication of CN218777398U publication Critical patent/CN218777398U/en
Priority to DE202023106671.2U priority patent/DE202023106671U1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/91—Electric vehicles
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H2003/0811—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts using unsynchronised clutches
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0043—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising four forward speeds
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/089—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/46—Gearings having only two central gears, connected by orbital gears
    • F16H3/48—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears
    • F16H3/52—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears
    • F16H3/54—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears one of the central gears being internally toothed and the other externally toothed
    • 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
    • F16H48/00—Differential gearings
    • F16H48/06—Differential gearings with gears having orbital motion
    • F16H48/08—Differential gearings with gears having orbital motion comprising bevel gears
    • 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
    • F16H48/00—Differential gearings
    • F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
    • F16H48/22—Arrangements for suppressing or influencing the differential action, e.g. locking devices using friction clutches or brakes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction 

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)
  • Gear-Shifting Mechanisms (AREA)

Abstract

There is provided a three-gear electric drive bridge structure, comprising: a first drive gear; the parallel shaft is fixedly connected with a second transmission gear, a third transmission gear and a fourth transmission gear, and the first transmission gear is meshed with the second transmission gear; the intermediate shaft is sleeved with a first shifting gear and a second shifting gear in a relatively rotatable manner; a first shifter slidably disposed on the intermediate shaft and selectively engageable with the first shift gear or the second shift gear; a second shifter provided to the second shift gear or the carrier of the planetary row and selectively engaging or disengaging the second shift gear with the carrier; the planet row comprises a sun gear, a planet carrier and a gear ring, wherein the sun gear is fixedly connected with the intermediate shaft, and the gear ring is connected with the box body; and the differential is connected to the planet carrier through a differential shell and is provided with a first output half shaft and a second output half shaft. The system can reduce gear shifting impact and improve the working efficiency of the motor.

Description

Three-gear electric drive bridge structure
Technical Field
The utility model relates to a new energy automobile spare part field especially relates to a three keep off bridge structure of electricity driving.
Background
New energy automobiles are more and more valued by the nation. Currently, most of the electric transaxles used or under development on the market are of single-gear or two-gear structure. The single-gear electric drive axle can reduce the complexity of a gearbox, only needs to be provided with a speed reducing mechanism, is higher in requirement on a motor, needs the motor to provide enough torque and high rotating speed so as to adapt to the requirements of the climbing property and the high speed of a vehicle, is larger in size when the motor is used, is higher in motor and electric control cost, and is not large in occupation ratio when the motor runs in a high-efficiency interval because no gear is adjusted, and is not high in overall efficiency. Two fender electric drive axles are in order to compromise highest speed of a motor vehicle and the requirement of biggest climbing dynamic nature, will bring the vehicle to shift when not smooth and smooth than what draw between the high low gear speed ratio, can have obvious pause and frustrate, and the vehicle can appear using low gear position speed of a motor vehicle not enough when most operating mode is gone, uses the not enough condition of high gear power.
Therefore, there is a need to develop a three-gear electric drive bridge structure to solve one or more of the above-mentioned technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the at least one technical problem, according to the utility model discloses an aspect provides a three keep off electricity and drives bridge construction, its characterized in that includes:
the first transmission gear is driven by a motor;
the parallel shaft is fixedly connected with a second transmission gear, a third transmission gear and a fourth transmission gear, and the first transmission gear is meshed with the second transmission gear;
the intermediate shaft is sleeved with a first gear shifting gear and a second gear shifting gear in a relatively rotatable manner, the first gear shifting gear is meshed with the third transmission gear, and the second gear shifting gear is meshed with the fourth transmission gear;
a first shifter slidably disposed on the intermediate shaft and selectively engageable with the first shift gear or the second shift gear;
a second shifter provided to the second shift gear or the carrier of the planetary row and selectively engaging or disengaging the second shift gear with the carrier;
the planet row comprises a sun gear, a planet carrier and a gear ring, wherein the sun gear is fixedly connected with the intermediate shaft, and the gear ring is connected with the box body; and
and the differential is connected to the planet carrier through a differential shell and is provided with a first output half shaft and a second output half shaft.
According to another aspect of the present invention, the intermediate shaft is a hollow shaft, and the first output half shaft is inserted into the hollow shaft.
According to the utility model discloses still another aspect, the parallel shaft is arranged with jackshaft parallel.
According to the utility model discloses in another aspect, the motor passes through the motor shaft and connects in first drive gear.
According to the utility model discloses in another aspect, the motor shaft is arranged with jackshaft parallel.
According to another aspect of the present invention, the first shifting driven gear connection has a power take-off or the second shifting driven gear connection has a power take-off.
According to the utility model discloses another aspect, three fender electric drive axle structures still including setting up in differential mechanism's differential lock.
According to the utility model discloses in another aspect, three fender electricity drive bridge structures still include first round of limit reduction planet row and second round of limit reduction planet row, first round of limit reduction planet row is connected between first wheel and first output semi-axis, second round of limit reduction planet row is connected between second wheel and second output semi-axis.
The utility model discloses can obtain following one or more technological effect:
1. adopt two selector structures, realize three fender position function, the phase comparison between the three fender position keeps off can significantly reduce than two than keeping off, can reduce the impact of shifting, provides the vehicle travelling comfort, also can improve the work efficiency of motor.
2. The second gear shifter is arranged on the frame of the planet row or the second gear shifting gear, when a gear sleeve of the second gear shifter is meshed with the combined teeth, power on the second gear shifting gear is directly transmitted to the frame of the planet row mechanism through the second gear shifter, and at the moment, the planet row mechanism does not work, so that primary gear transmission is reduced, and the transmission efficiency of the system is improved.
3. The left position and the right position of the second gear shifting driven gear are respectively provided with a combination tooth, the left position combination tooth can be meshed with a joint sleeve of the first gear shifter, the right position combination tooth can be meshed with a joint sleeve of the second gear shifter, and the system is compact in structure and small in axial size.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of a three-gear electric drive bridge structure according to a preferred embodiment of the present invention.
Fig. 2 is a partial schematic structural view of a three-gear electric drive bridge structure according to another preferred embodiment of the present invention.
Detailed Description
The best mode of the present invention will be described in detail with reference to the accompanying drawings, wherein the detailed description is to be regarded as illustrative in nature and not as restrictive, and various changes and modifications may be made without departing from the spirit and scope of the present invention.
Example 1
According to a preferred embodiment of the present invention, referring to fig. 1-2, there is provided a three-gear electric drive bridge structure, characterized by comprising:
the first transmission gear 03 is driven by the motor 01;
the parallel shaft 09 is fixedly connected with a second transmission gear 04, a third transmission gear 07 and a fourth transmission gear 05, and the first transmission gear 03 is meshed with the second transmission gear 04;
the intermediate shaft 10 is sleeved with a first shifting gear 08 and a second shifting gear 06 in a relatively rotatable manner, the first shifting gear 08 is meshed with the third transmission gear 07, and the second shifting gear 06 is meshed with the fourth transmission gear 05;
a first shifter 11 slidably provided to the counter shaft 10 and selectively engaged with the first shift gear 08 or the second shift gear 06;
a second shifter 12 provided to the second shift gear 06 or the carrier of the planetary row 14 and selectively engaging or disengaging the second shift gear 06 with the carrier;
the planet row 14 comprises a sun gear, a planet carrier and a gear ring, wherein the sun gear is fixedly connected with the intermediate shaft, and the gear ring is connected with the box body; and
a differential 15, connected to the planet carrier by a differential housing, is provided with a first output half shaft 16 and a second output half shaft 17.
According to a further preferred embodiment of the invention, the intermediate shaft 10 is a hollow shaft in which the first output half shaft is inserted.
According to a further preferred embodiment of the present invention, the parallel shaft is arranged parallel to the intermediate shaft.
According to another preferred embodiment of the present invention, the motor 01 is connected to the first transmission gear 03 through a motor shaft 02.
According to a further preferred embodiment of the present invention, the motor shaft is arranged in parallel with the intermediate shaft.
According to a further preferred embodiment of the invention, the first shifting driven gear is connected with a power take-off or the second shifting driven gear is connected with a power take-off.
According to another preferred embodiment of the present invention, the three-gear electric drive axle structure further includes a differential lock disposed on the differential mechanism.
According to another preferred embodiment of the present invention, the three-gear electric drive bridge structure further comprises a first wheel reduction planetary row and a second wheel reduction planetary row, the first wheel reduction planetary row is connected between the first wheel 18 and the first output axle shaft 16, and the second wheel reduction planetary row is connected between the second wheel 19 and the second output axle shaft 17.
The utility model discloses can obtain following one or more technological effect:
1. adopt two selector structures, realize three fender position function, the phase comparison between the three fender position keeps off can significantly reduce than two than keeping off, can reduce the impact of shifting, provides the vehicle travelling comfort, also can improve the work efficiency of motor.
2. The second gear shifter is arranged on the frame of the planet row or the second gear shifting gear, when a gear sleeve of the second gear shifter is meshed with the combined teeth, power on the second gear shifting gear is directly transmitted to the frame of the planet row mechanism through the second gear shifter, and at the moment, the planet row mechanism does not work, so that primary gear transmission is reduced, and the transmission efficiency of the system is improved.
3. The left position and the right position of the second gear shifting driven gear are respectively provided with a combination tooth, the left position combination tooth can be meshed with a joint sleeve of the first gear shifter, the right position combination tooth can be meshed with a joint sleeve of the second gear shifter, and the system is compact in structure and small in axial size.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a three fender electricity drive bridge structure which characterized in that includes:
the first transmission gear is driven by a motor;
the parallel shaft is fixedly connected with a second transmission gear, a third transmission gear and a fourth transmission gear, and the first transmission gear is meshed with the second transmission gear;
the intermediate shaft is sleeved with a first gear shifting gear and a second gear shifting gear in a relatively rotatable manner, the first gear shifting gear is meshed with the third transmission gear, and the second gear shifting gear is meshed with the fourth transmission gear;
a first shifter slidably disposed on the countershaft and selectively engageable with the first shift gear or the second shift gear;
a second shifter provided to the second shift gear or the carrier of the planetary row and selectively engaging or disengaging the second shift gear with the carrier;
the planet row comprises a sun gear, a planet carrier and a gear ring, wherein the sun gear is fixedly connected with the intermediate shaft, and the gear ring is connected with the box body; and
and the differential is connected to the planet carrier through a differential shell and is provided with a first output half shaft and a second output half shaft.
2. The three-speed electric drive bridge construction according to claim 1, wherein the intermediate shaft is a hollow shaft through which the first output half shaft is disposed.
3. The three-gear electric drive bridge construction according to claim 2, wherein the parallel shafts are arranged parallel to the intermediate shaft.
4. A three speed electric drive bridge construction according to any of claims 1-3, wherein the electric motor is connected to the first drive gear by a motor shaft.
5. The three-gear electric drive bridge construction according to claim 4, wherein the motor shaft is arranged parallel to the intermediate shaft.
6. The three-gear electric drive axle construction according to claim 4, characterized in that the first shifting driven gear is connected with a power take-off or the second shifting driven gear is connected with a power take-off.
7. The three-speed electric transaxle structure of claim 6 further comprising a differential lock disposed at the differential.
8. The three-speed electric drive axle structure according to claim 7, further comprising a first wheel reduction planetary row connected between the first wheel and the first output axle shaft and a second wheel reduction planetary row connected between the second wheel and the second output axle shaft.
CN202223118609.8U 2022-11-23 2022-11-23 Three-gear electric drive bridge structure Active CN218777398U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202223118609.8U CN218777398U (en) 2022-11-23 2022-11-23 Three-gear electric drive bridge structure
DE202023106671.2U DE202023106671U1 (en) 2022-11-23 2023-11-14 Three-speed electrically driven axle structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223118609.8U CN218777398U (en) 2022-11-23 2022-11-23 Three-gear electric drive bridge structure

Publications (1)

Publication Number Publication Date
CN218777398U true CN218777398U (en) 2023-03-31

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DE (1) DE202023106671U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117325637A (en) * 2023-11-28 2024-01-02 江苏速豹动力科技有限公司 Electric drive bridge and electric truck
CN117719316A (en) * 2023-12-28 2024-03-19 中国重汽集团济南动力有限公司 Parallel shaft type rear motor electric drive bridge

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117325637A (en) * 2023-11-28 2024-01-02 江苏速豹动力科技有限公司 Electric drive bridge and electric truck
CN117325637B (en) * 2023-11-28 2024-02-06 江苏速豹动力科技有限公司 Electric drive bridge and electric truck
CN117719316A (en) * 2023-12-28 2024-03-19 中国重汽集团济南动力有限公司 Parallel shaft type rear motor electric drive bridge

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Publication number Publication date
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