CN109436095B - Modularized electric driving running unit and multi-shaft running unit - Google Patents
Modularized electric driving running unit and multi-shaft running unit Download PDFInfo
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- CN109436095B CN109436095B CN201811596869.1A CN201811596869A CN109436095B CN 109436095 B CN109436095 B CN 109436095B CN 201811596869 A CN201811596869 A CN 201811596869A CN 109436095 B CN109436095 B CN 109436095B
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- arm
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
- B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
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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
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
-
- 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
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention belongs to the technical field of special electric drive vehicles, and discloses a modularized electric drive running unit, which comprises: the device comprises a modularized frame assembly, a driving motor, a wheel rim transmission shaft, a hub and brake assembly, wheels, a double-cross arm independent suspension, a motor cooler and a motor controller; the modular frame assembly includes: two longitudinal beams, two motor installation side plates, a suspension cross beam, two motor installation cross beams and a bottom guard plate; the two motor installation side plates are fixed on the inner side surfaces of the two longitudinal beams, and the two ends of the suspension cross beam are fixed on the longitudinal beams through fixing pieces; two ends of the two motor mounting cross beams are fixed between the two motor mounting side plates, and the bottom guard plate is fixed at the bottom of the motor mounting cross beams to form a motor mounting frame structure; the driving motor is fixed in the motor mounting frame structure and is connected with the hub, the brake assembly and the wheel sequentially through the wheel rim transmission shaft; the double-wishbone independent suspension is connected between the hub and brake assembly and the modular frame assembly.
Description
Technical Field
The invention relates to the technical field of special electric drive vehicles, in particular to a modularized electric drive running unit and a multi-shaft running unit.
Background
In the prior art, in the layout setting of vehicles, the emphasis is on the structure and arrangement form of a driving motor, and the arrangement of other structures is generally based on the types and the purposes of different vehicles and is arranged around the driving structure; the coordination among the suspension, the frame and the electric driving device is unstable, and particularly, for special vehicles such as multi-axle vehicles, the requirements of universalization and modularization of the multi-axle electric driving vehicle cannot be met, so that the layout and the assembly operation of the vehicle are complex, and the coordination is poor. Often, the system has the disadvantages of large occupied space, difficult arrangement and maintenance and poor coordination relationship of a vehicle running system.
Accordingly, there is a need for an electrically driven travel unit that meets the versatility requirements of multi-axis high motor off-road vehicles for wheel side motor drives.
Disclosure of Invention
The invention provides an electric drive running unit which meets the requirement of a multi-shaft high-motor cross-country vehicle on the universality of a wheel-side motor driving device.
In order to solve the above technical problems, the present invention provides a modular electrically-driven traveling unit, comprising: the device comprises a modularized frame assembly, a driving motor, a wheel rim transmission shaft, a hub and brake assembly, wheels, a double-cross arm independent suspension, a motor cooler and a motor controller;
the modular frame assembly includes: two longitudinal beams which are oppositely arranged, two motor installation side plates which are oppositely arranged, a suspension cross beam, two motor installation cross beams which are oppositely arranged and a bottom guard plate;
the two motor installation side plates are abutted against and fixed on the inner side surfaces of the two longitudinal beams, and two ends of the suspension cross beam are abutted against the two motor installation side plates respectively and fixed on the longitudinal beams through fixing pieces respectively;
the two ends of the two motor mounting cross beams are respectively and correspondingly fixed between the two motor mounting side plates, and the bottom guard plates are fixed at the bottoms of the motor mounting cross beams to form a motor mounting frame structure;
the motor mounting side plates and the longitudinal beams are provided with transmission shaft through holes, and the driving motor is fixed in the motor mounting frame structure and is connected with the wheels in a transmission way through the wheel rim transmission shafts and the wheel hub and brake assemblies in sequence;
the double-cross arm independent suspension is connected between the hub and brake assembly and the modularized frame assembly;
the motor cooler and the motor controller are connected with the driving motor.
Further, the double wishbone independent suspension includes: an upper suspension arm, a lower suspension arm, a suspension mount, an elastic member, a damper mount, and a damper;
the two ends of the upper suspension arm are respectively connected with the top ends of the wheel hub and the brake assembly and the longitudinal beam;
the lower suspension arm includes: the two ends of the first support arm and the second support arm are respectively connected with the bottom end of the hub and brake assembly and the motor installation side plate;
the suspension support is fixed on the longitudinal beam, the elastic element is fixed between the suspension support and the first support arm, the shock absorber support is fixed on the longitudinal beam, and the shock absorber is fixed between the shock absorber support and the second support arm.
Further, a suspension arm mounting base is arranged on the motor mounting side plate;
the first support arm is connected with the second support arm and the suspension arm mounting base through a rotary pin shaft.
Further, the elastic support piece is a coil spring or a hydro-pneumatic spring.
Further, the shock absorber is a double-acting barrel shock absorber.
Further, the hub and brake assembly includes: a disc brake and a hub reduction gear integrated in the hub of the wheel.
A multi-axis travel unit comprising: a plurality of said modular electrically driven travel units;
the longitudinal beams of the modularized electric driving running units are fixedly connected in sequence.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
the modularized electric driving running unit provided by the embodiment of the application integrates the wheel side driving motor, the motor controller, the motor cooler, the wheel side transmission shaft, the hub and brake assembly, the wheel, the double-cross arm independent suspension and the modularized frame assembly to form an independent modularized electric driving running unit, so that the universality is improved, when the multi-shaft running unit is implemented, the design scheme of high integration type is realized, the structural form and the technical scheme are relatively solidified, and the requirements of rapid modularized arrangement of heavy-load electric driving vehicles with various axle numbers can be met. The arrangement form of the detachable driving motor is realized through the motor mounting frame, the driving axle unit can be flexibly converted into a non-driving axle unit, and the detachable driving motor is suitable for vehicle arrangement of different driving forms of multi-shaft off-road electric driving vehicles and is also beneficial to the disassembly and maintenance of the driving motor. The hub and the brake assembly are directly connected through the hub motor and the hub driving shaft, namely the disc brake and the hub speed reducer, so that the structure is simpler, the reliability is stronger, and the occupied space is smaller.
Drawings
FIG. 1 is a schematic layout of a modular electrically driven travel unit provided by the present invention;
fig. 2 is a schematic structural view of a modular electrically-driven traveling unit provided by the present invention;
FIG. 3 is a schematic structural view of a modular frame assembly provided by the present invention;
FIG. 4 is a right side view of FIG. 3;
FIG. 5 is a schematic diagram of a double-wishbone independent suspension according to the present invention;
fig. 6 is a schematic diagram of a transmission structure of the block electric driving traveling unit provided by the invention;
fig. 7 is a schematic diagram of a motor installation structure of the block electric drive traveling unit provided by the invention;
fig. 8 is a schematic structural diagram of a multi-axis driving unit according to the present invention.
Detailed Description
The embodiment of the application provides an electric drive running unit meeting the requirement of the multi-shaft high-motor off-road vehicle on the universality of a wheel-side motor driving device.
In order to better understand the above technical solutions, the following detailed description will be made with reference to the accompanying drawings and specific embodiments, and it should be understood that specific features in the embodiments and examples of the present invention are detailed descriptions of the technical solutions of the present application, and not limit the technical solutions of the present application, and the technical features in the embodiments and examples of the present application may be combined with each other without conflict.
Referring to fig. 1 and 2, a modular electrically-driven travel unit comprising: the vehicle frame comprises a modularized frame assembly 2, a driving motor, a wheel edge transmission shaft, a hub and brake assembly 7, wheels 1, a double-cross arm independent suspension 3, a motor cooler 5 and a motor controller 4.
Referring to fig. 3 and 4, the modular frame assembly 2 includes: two longitudinal beams 21 arranged oppositely, two motor mounting side plates 24 arranged oppositely, a suspension cross beam 22, two motor mounting cross beams 25 arranged oppositely and a bottom guard plate 27.
The two motor installation side plates 24 are abutted against and fixed on the inner side surfaces of the two longitudinal beams 21, and the two ends of the suspension cross beam 22 are respectively abutted between the two motor installation side plates 24 and are respectively fixed on the longitudinal beams 21 through fixing pieces; that is, two motor mounting side plates 24 are fixed to two side members 21 through both ends of the suspension cross member 22, forming a frame-receiving structure.
Referring to fig. 7, two ends of the two motor mounting beams 25 are respectively fixed between two motor mounting side plates 24, and the bottom guard plate 27 is fixed at the bottom of the motor mounting beam 25 to form a motor mounting frame structure; for fixing the drive motor 6.
It should be noted that, the bottom guard plate 27 can be conveniently detached, so that the wheel edge driving motor 6 can be conveniently detached from the bottom, so that the motor can be quickly maintained, and the conversion between the driving axle and the non-driving axle can be realized.
Referring to fig. 4 and 6, through holes for passing through the wheel-side transmission shaft 8, that is, a first transmission shaft through hole 241 and a second transmission shaft through hole 211 are formed in the motor mounting side plate 24 and the longitudinal beam 21; the driving motor 6 is fixed in the motor mounting frame structure, sequentially passes through the first transmission shaft through hole 241 and the second transmission shaft through hole 211, and is connected with the hub and brake assembly 7 and the wheel 1 through the hub transmission shaft 8; realizing electric driving.
The double-wishbone independent suspension 3 is connected between the hub and brake assembly 7 and the modular frame assembly 2; and the connection is generally realized through a rotary pin shaft, so that a reliable connection structure is realized.
The motor cooler 5 and the motor controller 4 are connected to the drive motor 6.
Referring to fig. 5, the double wishbone independent suspension includes: an upper suspension arm 32, a lower suspension arm 31, a suspension mount 23, an elastic member 33, a damper mount 34, and a damper 35.
The upper suspension arm 32 is connected at both ends to the top end of the hub and brake assembly 7 and to the side member 21, respectively.
The lower suspension arm 31 includes: the first support arm and the second support arm, the two ends of the first support arm and the second support arm are respectively connected with the bottom end of the hub and brake assembly 7 and the motor mounting side plate 24.
The suspension brackets 23 are fixed to the side member 21, the elastic member 33 is fixed between the suspension brackets 23 and the first arm, the damper brackets 34 are fixed to the side member 21, and the damper 35 is fixed between the damper brackets 34 and the second arm.
Further, a suspension arm mounting base 26 is provided on the motor mounting side plate 24; the first and second arms are connected to the suspension arm mounting base 26 by a swivel pin.
Further, the elastic support member 33 is a coil spring or a hydro-pneumatic spring. The damper 35 is a double-acting tube damper.
Further, the hub and brake assembly 7 includes: a disc brake and a hub reduction gear integrated in the hub of said wheel 1. The connecting mode has simple structural form, only has a one-stage speed reducing device, high reliability and small occupied space.
Referring to fig. 8, a multi-axis travel unit includes: a plurality of said modular electrically driven travel units; the longitudinal beams of the modularized electric driving running units are fixedly connected in sequence.
The arrangement mode of the multi-axle off-road electric drive vehicle in the embodiment, wherein the iii bridge is a non-drive unit, and the iii bridge is relatively to the electric drive units of other drive axles, removes the wheel drive motor 6, the wheel drive shaft 8, the drive motor controller 4 and the drive motor radiator 5, and changes the drive hub and the brake assembly 7 into a non-drive mode, so that the scheme change is small during application, and the universality is strong.
The modular electrically driven travel unit is a highly versatile and highly integrated embodiment, particularly suited for heavy duty electrically driven vehicle applications employing double wishbone independent suspensions.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
the modularized electric driving running unit provided by the embodiment of the application integrates the wheel side driving motor, the motor controller, the motor cooler, the wheel side transmission shaft, the hub and brake assembly, the wheel, the double-cross arm independent suspension and the modularized frame assembly to form an independent modularized electric driving running unit, so that the universality is improved, when the multi-shaft running unit is implemented, the design scheme of high integration type is realized, the structural form and the technical scheme are relatively solidified, and the requirements of rapid modularized arrangement of heavy-load electric driving vehicles with various axle numbers can be met. The arrangement form of the detachable driving motor is realized through the motor mounting frame, the driving axle unit can be flexibly converted into a non-driving axle unit, and the detachable driving motor is suitable for vehicle arrangement of different driving forms of multi-shaft off-road electric driving vehicles and is also beneficial to the disassembly and maintenance of the driving motor. The hub and the brake assembly are directly connected through the hub motor and the hub driving shaft, namely the disc brake and the hub speed reducer, so that the structure is simpler, the reliability is stronger, and the occupied space is smaller.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present invention.
Claims (5)
1. A modular electrically driven travel unit comprising: the device comprises a modularized frame assembly, a driving motor, a wheel rim transmission shaft, a hub and brake assembly, wheels, a double-cross arm independent suspension, a motor cooler and a motor controller;
the modular frame assembly includes: two longitudinal beams which are oppositely arranged, two motor installation side plates which are oppositely arranged, a suspension cross beam, two motor installation cross beams which are oppositely arranged and a bottom guard plate;
the two motor installation side plates are abutted against and fixed on the inner side surfaces of the two longitudinal beams, and two ends of the suspension cross beam are abutted against the two motor installation side plates respectively and fixed on the longitudinal beams through fixing pieces respectively;
the two ends of the two motor mounting cross beams are respectively and correspondingly fixed between the two motor mounting side plates, and the bottom guard plates are fixed at the bottoms of the motor mounting cross beams to form a motor mounting frame structure;
the motor mounting side plates and the longitudinal beams are provided with transmission shaft through holes, and the driving motor is fixed in the motor mounting frame structure and is connected with the hub, the brake assembly and the wheels through the wheel rim transmission shafts;
the double-cross arm independent suspension is connected between the hub and brake assembly and the modularized frame assembly;
the motor cooler and the motor controller are connected with the driving motor;
the double-wishbone independent suspension includes: an upper suspension arm, a lower suspension arm, a suspension mount, an elastic element damper mount, and a damper;
the two ends of the upper suspension arm are respectively connected with the top ends of the wheel hub and the brake assembly and the longitudinal beam;
the lower suspension arm includes: the two ends of the first support arm and the second support arm are respectively connected with the bottom end of the hub and brake assembly and the motor installation side plate;
the suspension support is fixed on the longitudinal beam and the motor mounting side plate, the elastic element is fixed between the suspension support and the first support arm, the shock absorber support is fixed on the longitudinal beam, and the shock absorber is fixed between the shock absorber support and the second support arm;
the hub and brake assembly includes: a disc brake and a hub reduction gear integrated in the hub of the wheel.
2. The modular electrically driven travel unit of claim 1, wherein: a suspension arm mounting base is arranged on the motor mounting side plate;
the first support arm is connected with the second support arm and the suspension arm mounting base through a rotary pin shaft.
3. The modular electrically driven travel unit of claim 1, wherein: the elastic element is a coil spring or a hydro-pneumatic spring.
4. The modular electrically driven travel unit of claim 1, wherein: the shock absorber is a double-acting cylinder shock absorber.
5. A multi-axis travel unit, comprising: a plurality of modular electrically driven travel units according to any one of claims 1 to 4;
the longitudinal beams of the modularized electric driving running units are fixedly connected in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811596869.1A CN109436095B (en) | 2018-12-26 | 2018-12-26 | Modularized electric driving running unit and multi-shaft running unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811596869.1A CN109436095B (en) | 2018-12-26 | 2018-12-26 | Modularized electric driving running unit and multi-shaft running unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109436095A CN109436095A (en) | 2019-03-08 |
| CN109436095B true CN109436095B (en) | 2024-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811596869.1A Active CN109436095B (en) | 2018-12-26 | 2018-12-26 | Modularized electric driving running unit and multi-shaft running unit |
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| CN112440641A (en) * | 2019-08-30 | 2021-03-05 | 郑州宇通客车股份有限公司 | Liftable axle type suspension driving system assembly and multi-axle electric vehicle |
| CN110435766A (en) * | 2019-09-16 | 2019-11-12 | 中国航天三江集团有限公司 | A kind of modularization vehicle frame |
| CN111169241B (en) * | 2020-03-03 | 2023-09-19 | 湖南天开智能装备有限公司 | Trolley chassis with wheels independently driven |
| CN112278116B (en) * | 2020-10-30 | 2022-02-11 | 北京航天发射技术研究所 | Electric drive vehicle and electric driving system applying single-sliding-column independent suspension |
| CN112389535A (en) * | 2020-12-01 | 2021-02-23 | 吉林大学 | Multipurpose unmanned aerial vehicle chassis modularization a steering system |
| WO2022173403A1 (en) * | 2021-02-15 | 2022-08-18 | Mpg Maki̇ne Prodüksi̇yon Grubu Maki̇ne İmalat Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ | Electrical heavy-duty axle with independent suspension |
| CN112848865B (en) * | 2021-02-20 | 2022-08-16 | 航天重型工程装备有限公司 | Low-profile mining four-wheel drive vehicle and drive control strategy |
| CN112977096A (en) * | 2021-02-24 | 2021-06-18 | 北京理工大学 | Modularized axle integrating electric wheels and vehicle |
| CN113353176A (en) * | 2021-07-19 | 2021-09-07 | 上汽通用五菱汽车股份有限公司 | Double-cross-arm independent suspension device of rear-drive electric vehicle |
| CN114503835B (en) * | 2021-12-27 | 2024-04-02 | 南京苏美达智能技术有限公司 | Power system structure for self-walking equipment |
| CN115489291A (en) * | 2022-08-30 | 2022-12-20 | 中国北方车辆研究所 | Electric drive double round limit motor modularization transaxle |
| CN118182012A (en) * | 2024-05-20 | 2024-06-14 | 质子汽车科技有限公司 | Integrated electrically driven suspension |
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| CN109436095A (en) | 2019-03-08 |
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