CN108132155A - A kind of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases - Google Patents
A kind of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases Download PDFInfo
- Publication number
- CN108132155A CN108132155A CN201711137443.5A CN201711137443A CN108132155A CN 108132155 A CN108132155 A CN 108132155A CN 201711137443 A CN201711137443 A CN 201711137443A CN 108132155 A CN108132155 A CN 108132155A
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- China
- Prior art keywords
- chassis dynamometer
- drive roll
- driven roller
- wheel
- driven
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- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases, including front chassis dynamometer machine and rear chassis dynamometer machine, it is characterised in that：The front chassis dynamometer machine is arranged on rail plate, and wheelbase is equipped between the front chassis dynamometer machine and rear chassis dynamometer machine and adjusts hydraulic cylinder, wheel is additionally provided between the front chassis dynamometer machine and rear chassis dynamometer machine and passes through expansion bracket.According to different test requests, equipment simulating real road condition such as speed, torque or road load etc., vehicle is tested under the conditions of the real road of simulation, collects data and analyzed, and obtains 4-wheel driven car correlated performance.
Description
Technical field
The present invention relates to a kind of vehicle dynamic test technical fields, and in particular to a kind of 4 wheel driven Chassis dynamometer for being applicable in different wheelbases
Detecting system.
Background technology
Chassis dynamometer is a kind of room for being used for testing the performances such as vehicle dynamic quality, multi-state discharge index, fuel oil index
Interior bench test equipment.Road simulation dynamometer calculates road analogy equation, and use loading device by roller simulated roadway
It is simulated, realizes the simulation of each operating mode to automobile.
With the continuous development of automotive engineering, 4-wheel driven car develops with surprising rapidity, and 4-wheel driven car is gradually more and more
The common people like, in order to meet the 4-wheel driven car testing requirements being increasingly enhanced, it is necessary to invent a kind of 4-wheel driven car detection device wheelbase tune
Engagement positions meet two and drive to realize that 4-wheel driven car detects while test detection.
Two test equipment of driving of tradition is a kind of electromechanical integrated product for being widely used in automotive test.Driving wheel is located at
On test equipment roller, wheel rotates under certain rotating speed so that roller rotates, and the equipment being connected with roller measures corresponding data,
Test system is fed back to, reflects the situation of vehicle, 4-wheel driven car is since four wheels are driving wheel, therefore rear axle and rear axle are required for
It tests simultaneously.The present invention relates to a kind of 4 wheel driven automotive test equipment shaft pitch adjusting device, energy while detection general two is driven
It enough realizes the detection of 4-wheel driven car, while meets different wheelbase 4-wheel driven car detections, additionally, due to vehicle model difference, the wheelspan of vehicle
Also it has nothing in common with each other.
Invention content
The purpose of the present invention is to overcome the shortage of prior art, and it is an object of the present invention to provide a kind of 4 wheel driven for being applicable in different wheelbases
Chassis dynamometer detecting system, the performance of different wheelbase 4-wheel driven cars and asking for discharge cannot be tested by solving a Chassis dynamometer equipment
Topic.
The present invention is achieved through the following technical solutions：
A kind of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases, including front chassis dynamometer machine and rear chassis measurement of power
Machine, it is characterised in that：The front chassis dynamometer machine is arranged on rail plate, the front chassis dynamometer machine and rear chassis dynamometer machine
Between be equipped with wheelbase and adjust hydraulic cylinder, be additionally provided between the front chassis dynamometer machine and rear chassis dynamometer machine wheel pass through it is flexible
Frame.
The front chassis dynamometer machine include forebay, the forebay be equipped with preceding first drive roll, described preceding first
Drive roll is connected with preceding second drive roll by shaft coupling, and parallel with preceding first drive roll is equipped with preceding first
Driven roller, parallel with preceding second drive roll is equipped with preceding second driven roller, preceding first driven roller and preceding
Two driven rollers are connected also by shaft coupling, and phase asynchronous speed regulating motor is coaxially connected on the outside of preceding first drive roll,
Preceding first drive roll connect synchronous rotation, preceding first driven roller with preceding first driven roller by belt
Side is coaxially connected with turbine.The rear chassis dynamometer machine includes afer bay, and the afer bay is equipped with rear first and actively rolls
Cylinder, by transmitting band connection between preceding first driven roller and rear first drive roll.
Further, preceding first drive roll and preceding second drive roll and the preceding first driven rolling are located on the forebay
Lifting load-bearing device is installed between cylinder and preceding second driven roller.
Further, the rear chassis dynamometer machine includes afer bay, and the afer bay is equipped with rear first drive roll, institute
Second drive roll after the first drive roll is connected with by shaft coupling after stating, the installation parallel with rear first drive roll
First driven roller after having, parallel with rear second drive roll is equipped with rear second driven roller, the rear first driven rolling
Cylinder is connected with rear second driven roller also by shaft coupling, and phase asynchronous tune is coaxially connected on the outside of rear first drive roll
Speed motor, it is described after the first drive roll with it is described after the first driven roller synchronous rotation is connect by belt, described afterwards first
Driven roller side is coaxially connected with turbine.
Further, rear first drive roll and rear second drive roll and the rear first driven rolling are located on the afer bay
Lifting load-bearing device is installed between cylinder and rear second driven roller.
Further, the conveyer belt is equipped with tension wheel structure.
Further, the tension wheel structure includes tension pulley support and tensioning wheel, and the tensioning wheel is installed by shaft
On tension pulley support, tensioning spring is equipped between the shaft both ends and tension pulley support.
Further, the wheel includes front stretching frame and rear expansion bracket by expansion bracket, and the front stretching frame is fastened on
Afterwards on expansion bracket.
Further, the turbine is equipped with weighing sensor；Preceding second driven roller and rear second driven rolling
Cylinder end is mounted on encoder.
Compared with prior art, the present invention it has the following advantages and advantages：
A kind of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases of the present invention, can conveniently adjust two automobiles
Test equipment wheelbase, and the performance of the realization four-wheel drive of science and discharge, according to different test requests, equipment simulating is practical
Road conditions such as speed, torque or road load etc., vehicle are tested under the conditions of the real road of simulation, collect number
According to being analyzed, 4-wheel driven car correlated performance is obtained.
Description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is a kind of structure diagram of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases of the present invention；
Fig. 2 is the structure diagram of tension wheel structure of the present invention；
Label and corresponding parts title in attached drawing：
1- front chassis dynamometer machines, 2- rear chassis dynamometer machines, 3- rail plates, 4- adjust hydraulic cylinder, and 5- wheels pass through flexible
Frame, 6- forebays, the first drive roll before 7-, 8- shaft couplings, the second drive roll before 9-, the first driven roller before 10-, 11-
Preceding second driven roller, the phase asynchronous speed regulating motors of 12-, 13- belts, 14- turbines, 15- lifting load-bearing devices, machine after 16-
Frame, the first drive rolls of 17-, the second drive roll after 18-, the first driven rollers of 19-, the first drive roll after 20-, 21- are passed
Send band, 22- tension wheel structures, 23- tension pulley supports, 24- tensioning wheels, 25- shafts, 26- tensioning springs, 27- front stretching framves,
Expansion bracket after 28-, 29- weighing sensors, 30- encoders, 31- foundation pits.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
As shown in Figure 1, a kind of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases of the present invention, including front chassis measurement of power
Machine 1 and rear chassis dynamometer machine 2, front chassis dynamometer machine 1 is identical with 2 basic structure of rear chassis dynamometer machine, and existing maturation can be used
Chassis dynamometer technology realizes technical solution of the present invention, in order to realize that the 4 wheel driven Vehicle Chassis Dynamic Tests of different wheelbases detect, preceding bottom
Disk dynamometer machine 1 and rear chassis dynamometer machine 2 can realize synchronous interaction, can also front wheels and rear wheels separately surveyed by front chassis
Work(machine 1 and rear chassis dynamometer machine 2 are completed to detect, and front chassis dynamometer machine 1 is arranged on rail plate 3, and front chassis dynamometer machine 1 can
To be slided on rail plate 3, so as to change the distance between front chassis dynamometer machine 1 and rear chassis dynamometer machine 2, to correspond to difference
The 4 wheel driven automobile of wheelbase is equipped with wheelbase and adjusts hydraulic cylinder 4, front chassis measurement of power between front chassis dynamometer machine 1 and rear chassis dynamometer machine 2
The distance between machine 1 and rear chassis dynamometer machine 2 are adjusted and are realized by adjusting hydraulic cylinder 4, front chassis dynamometer machine 1 and rear bottom
Wheel is additionally provided between disk dynamometer machine 2 and passes through expansion bracket 5.Automobile enters power-measuring system, front-wheel from the traveling of rear chassis dynamometer machine 2
Group enters front chassis dynamometer machine 1 across rear chassis dynamometer machine 2, therefore is needed between front chassis dynamometer machine 1 and rear chassis dynamometer machine 2
Adjustable current platform is set.
The wheel includes front stretching frame 27 and rear expansion bracket 28 by expansion bracket 5, after the front stretching frame 27 is fastened on
On expansion bracket 28.Wheel uses simplest structural principle by expansion bracket 5, and front stretching frame 27 and rear expansion bracket 28 use U
Type frame plate mutually fastens, and by stretching or shrinking, does not all interfere with passing through for vehicle.
A kind of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases, when installing implementation, front chassis dynamometer machine 1 is with after
Chassis dynamometer 2 is mounted in foundation pit 31, and front chassis dynamometer machine 1 and rear chassis dynamometer machine 2 are substantially flat at one with bottom surface above
Face enters convenient for vehicle in Chassis dynamometer equipment, and rail plate 3 is laid in foundation pit 31.
Front chassis dynamometer machine 1 include forebay 6, the forebay 6 be equipped with preceding first drive roll 7, described preceding first
Drive roll 7 is connected with preceding second drive roll 9 by shaft coupling 8, it is parallel with preceding first drive roll 7 be equipped with before
First driven roller 10, parallel with preceding second drive roll 9 is equipped with preceding second driven roller 11, the preceding first driven rolling
Cylinder 10 and preceding second driven roller 11 are connected also by shaft coupling 8, and preceding first drive roll, 7 outside is coaxially connected with three-phase
Asynchronous speed-regulating motor 12, preceding first drive roll 7 connect synchronous rotation, institute with preceding first driven roller 10 by belt 13
It states preceding first driven roller, 10 side and is coaxially connected with turbine 14.It is located at preceding first drive roll 7 and preceding second on forebay 6
Lifting load-bearing device 15 is installed between drive roll 9 and preceding first driven roller 10 and preceding second driven roller 11.The act
Rise raising board and block roller that bogey is integrated design.
Rear chassis dynamometer machine 2 includes afer bay 16, and the afer bay 16 is equipped with rear first drive roll 17, it is described after the
Second drive roll 18 after one drive roll 17 is connected with by shaft coupling 8, the peace parallel with rear first drive roll 17
Equipped with rear first driven roller 19, it is parallel with rear second drive roll 18 be equipped with after the second driven roller 20, it is described after the
One driven roller 19 and rear second driven roller 20 are connected also by shaft coupling 8, and rear first drive roll, 17 outside is coaxial
Phase asynchronous speed regulating motor 12 is connected with, rear first drive roll 17 passes through belt 13 with rear first driven roller 19
Connection rotates synchronously, and rear first driven roller, 19 side is coaxially connected with turbine 14.It is located at rear first on afer bay 16
Act is installed between drive roll 17 and rear second drive roll 18 and rear first driven roller 19 and rear second driven roller 20
Rise bogey 15.The lifting load-bearing device is integrated the raising board and block roller of design.
Turbine 14 is equipped with weighing sensor 29；Preceding second driven roller 10 and rear second driven roller, 18 end
It is mounted on encoder 30.
4-wheel driven car detection process, vehicle enter detection device, and lifting load-bearing device 15 does not fall at this time, according to axle for vehicle
Away from the running of amplitude adjustment mechanism adjusts wheelbase, and when wheelbase adjustment finishes, vehicle moves on, and entering front by comb tests
Equipment, at this time the lifting load-bearing device 15 of test equipment fall, vehicle antero posterior axis wheel insertion front chassis dynamometer machine 1 and rear chassis
On 2 corresponding roller of dynamometer machine, wheel operating drives drum movement, according to different test requests, equipment simulating real road
Condition such as speed, torque or road load etc., vehicle are tested under the conditions of the real road of simulation, collect data into
Row analysis, obtains 4-wheel driven car correlated performance.
Embodiment 2
As shown in Figs. 1-2, a kind of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases of the present invention, in embodiment 1
On the basis of, in order to realize that front chassis dynamometer machine 1 and rear chassis dynamometer machine 2 rotate synchronously, preceding first driven roller 10 and rear first
It is connected between drive roll 17 by conveyer belt 21.Conveyer belt 21 is equipped with tension wheel structure 22.Tension wheel structure 22 includes opening
Bearing up pulley stent 23 and tensioning wheel 24, the tensioning wheel 24 are mounted on by shaft 25 on tension pulley support 22,25 liang of the shaft
Tensioning spring 26 is equipped between end and tension pulley support 23.25 both ends of shaft are tensed by tensioning spring 26, so as to tense tensioning
Wheel 24.
The tension of conveyer belt 21, current chassis dynamometer 1 and rear chassis dynamometer machine 2 can be changed by tension wheel structure 22
The distance between after adjustment adjusted by adjusting hydraulic cylinder 4, synchronous that can change conveyer belt 21 by tension wheel structure 22
Power, to realize the transmission distance between the first driven roller 10 and rear first drive roll 17.
During detection, automobile reaches road simulation dynamometer, and adhesion wheel is placed between main driven roller, in raising board and gear
When roller is in raised configuration, roller is braked, and vehicle steadily drives into or sail out of chassis dynamometer.It is in and falls in raising board and block roller
During lower state, roll brake disengages completely with roller, does not generate braking moment, and automobile can be detected at this time.Vapour
The main driven roller of car owner's driving wheel driving road simulation dynamometer rotates synchronously.Turbine is a kind of device for power absorption, can be carried
For resistive torque, the resistance that automotive wheel to be measured is subject to is made to be equivalent to the resistance being subject to when driving on road under equal operating mode, whirlpool
The pressure that stream machine is subject to is converted to corresponding voltage signal, after processing, obtains the defeated power of reality of tested automobile.
Above-described specific embodiment has carried out the purpose of the present invention, technical solution and advantageous effect further
It is described in detail, it should be understood that the foregoing is merely the specific embodiment of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (8)
1. a kind of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases, including front chassis dynamometer machine (1) and rear chassis measurement of power
Machine (2), it is characterised in that：The front chassis dynamometer machine (1) is arranged on rail plate (3), the front chassis dynamometer machine (1) and
Wheelbase is equipped between rear chassis dynamometer machine (2) and adjusts hydraulic cylinder (4), the front chassis dynamometer machine (1) and rear chassis dynamometer machine (2)
Between be additionally provided with wheel and pass through expansion bracket (5)；
The front chassis dynamometer machine (1) includes forebay (6), and the forebay (6) is equipped with preceding first drive roll (7), institute
It states preceding first drive roll (7) and preceding second drive roll (9) is connected with by shaft coupling (8), with preceding first drive roll
(7) parallel to be equipped with preceding first driven roller (10), parallel with preceding second drive roll (9) is equipped with the preceding second driven rolling
Cylinder (11), preceding first driven roller (10) and preceding second driven roller (11) are also by shaft coupling (8) connection, and described preceding the
Phase asynchronous speed regulating motor (12), preceding first drive roll (7) and preceding first are coaxially connected on the outside of one drive roll (7)
Driven roller (10) is connected by belt (13) and rotated synchronously, and preceding first driven roller (10) side is coaxially connected with vortex
Machine (14)；
The rear chassis dynamometer machine (2) includes afer bay (16), and the afer bay (16) is equipped with rear first drive roll (17)；
It is connected between preceding first driven roller (10) and rear first drive roll (17) by conveyer belt (21).
2. a kind of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases according to claim 1, it is characterised in that：Institute
State be located on forebay (6) preceding first drive roll (7) and preceding second drive roll (9) and preceding first driven roller (10) and before
Lifting load-bearing device (15) is installed between the second driven roller (11).
3. a kind of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases according to claim 2, it is characterised in that：Institute
It states rear chassis dynamometer machine (2) and includes afer bay (16), the afer bay (16) is equipped with rear first drive roll (17), after described
Second drive roll (18) after first drive roll (17) is connected with by shaft coupling (8), with rear first drive roll
(17) it is parallel be equipped with after the first driven roller (19), it is parallel with rear second drive roll (18) be equipped with after it is second driven
Roller (20), rear first driven roller (19) and rear second driven roller (20) are connected also by shaft coupling (8), after described
Phase asynchronous speed regulating motor (12), rear first drive roll (17) and institute are coaxially connected on the outside of first drive roll (17)
The first driven roller (19) is connected by belt (13) and rotated synchronously after stating, and described rear first driven roller (19) side coaxially connects
It is connected to turbine (14).
4. a kind of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases according to claim 3, it is characterised in that：Institute
It states and is located at rear first drive roll (17) and rear second drive roll (18) and rear first driven roller (19) on afer bay (16)
Lifting load-bearing device (15) is installed between rear second driven roller (20).
5. a kind of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases according to claim 4, it is characterised in that：Institute
Conveyer belt (21) is stated equipped with tension wheel structure (22).
6. a kind of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases according to claim 5, it is characterised in that：Institute
It states tension wheel structure (22) and includes tension pulley support (23) and tensioning wheel (24), the tensioning wheel (24) is installed by shaft (25)
On tension pulley support (22), tensioning spring (26) is equipped between shaft (25) both ends and tension pulley support (23).
7. according to a kind of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases of claim 6 any one of them, feature
It is：The wheel includes front stretching frame (27) and rear expansion bracket (28) by expansion bracket (5), and the front stretching frame (27) fastens
On rear expansion bracket (28).
8. a kind of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases according to claim 7, it is characterised in that：Institute
Turbine (14) is stated equipped with weighing sensor (29)；Preceding second driven roller (10) and rear second driven roller (18) end
End is mounted on encoder (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711137443.5A CN108132155A (en) | 2017-11-16 | 2017-11-16 | A kind of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711137443.5A CN108132155A (en) | 2017-11-16 | 2017-11-16 | A kind of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108132155A true CN108132155A (en) | 2018-06-08 |
Family
ID=62388624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711137443.5A Withdrawn CN108132155A (en) | 2017-11-16 | 2017-11-16 | A kind of 4 wheel driven Chassis dynamometer detecting system for being applicable in different wheelbases |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108132155A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613818A (en) * | 2018-07-12 | 2018-10-02 | 西华大学 | A kind of inspection of motor vehicle ring complete road analogy detection device and method |
| CN108692961A (en) * | 2018-07-06 | 2018-10-23 | 湖北环电磁装备工程技术有限公司 | The chassis dynamometer of permanent magnet synchronous motor driving |
| CN108760341A (en) * | 2018-07-06 | 2018-11-06 | 湖北环电磁装备工程技术有限公司 | Chassis dynamometer with automatism isolation cover board |
| CN109506817A (en) * | 2018-10-18 | 2019-03-22 | 珠海高新区同力机械有限公司 | A kind of motor-vehicle chassis measurement of power equipment |
| CN109580253A (en) * | 2018-12-29 | 2019-04-05 | 北京博科测试系统股份有限公司 | A kind of road load simulation system that list twin shaft automatically switches |
| CN111207865A (en) * | 2020-02-21 | 2020-05-29 | 上海昶欣机动车技术服务有限公司 | Chassis dynamometer |
| CN112985659A (en) * | 2021-02-22 | 2021-06-18 | 江苏徐工工程机械研究院有限公司 | Heavy-load, high-power and large-torque chassis dynamometer under multi-environment system |
| CN114739554A (en) * | 2022-04-02 | 2022-07-12 | 中国第一汽车股份有限公司 | Test experiment method and evaluation method for torsional strength of four-wheel drive transmission system |
-
2017
- 2017-11-16 CN CN201711137443.5A patent/CN108132155A/en not_active Withdrawn
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760341B (en) * | 2018-07-06 | 2024-02-13 | 湖北环一电磁装备工程技术有限公司 | Chassis dynamometer test bed with automatic isolation cover plate |
| CN108692961A (en) * | 2018-07-06 | 2018-10-23 | 湖北环电磁装备工程技术有限公司 | The chassis dynamometer of permanent magnet synchronous motor driving |
| CN108760341A (en) * | 2018-07-06 | 2018-11-06 | 湖北环电磁装备工程技术有限公司 | Chassis dynamometer with automatism isolation cover board |
| CN108692961B (en) * | 2018-07-06 | 2024-02-13 | 湖北环一电磁装备工程技术有限公司 | Chassis dynamometer test bed driven by permanent magnet synchronous motor |
| CN108613818B (en) * | 2018-07-12 | 2019-10-18 | 西华大学 | A kind of inspection of motor vehicle ring complete road analogy detection device and method |
| CN108613818A (en) * | 2018-07-12 | 2018-10-02 | 西华大学 | A kind of inspection of motor vehicle ring complete road analogy detection device and method |
| CN109506817A (en) * | 2018-10-18 | 2019-03-22 | 珠海高新区同力机械有限公司 | A kind of motor-vehicle chassis measurement of power equipment |
| CN109580253A (en) * | 2018-12-29 | 2019-04-05 | 北京博科测试系统股份有限公司 | A kind of road load simulation system that list twin shaft automatically switches |
| CN111207865A (en) * | 2020-02-21 | 2020-05-29 | 上海昶欣机动车技术服务有限公司 | Chassis dynamometer |
| WO2022174474A1 (en) * | 2021-02-22 | 2022-08-25 | 江苏徐工工程机械研究院有限公司 | Heavy-duty, high-power and large-torque chassis dynamometer in multi-environment system |
| GB2618461A (en) * | 2021-02-22 | 2023-11-08 | Jiang Su Xcmg Construction Machinery Res Institute Ltd | Heavy-duty, high-power and large-torque chassis dynamometer in multi-environment system |
| CN112985659A (en) * | 2021-02-22 | 2021-06-18 | 江苏徐工工程机械研究院有限公司 | Heavy-load, high-power and large-torque chassis dynamometer under multi-environment system |
| CN114739554B (en) * | 2022-04-02 | 2024-02-02 | 中国第一汽车股份有限公司 | Test experiment method and evaluation method for torsional strength of four-wheel drive train |
| CN114739554A (en) * | 2022-04-02 | 2022-07-12 | 中国第一汽车股份有限公司 | Test experiment method and evaluation method for torsional strength of four-wheel drive transmission system |
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| PB01 | Publication | ||
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Application publication date: 20180608 |