CN106918460A - One kind is based on hydraulicdriven chassis dynamometer - Google Patents
One kind is based on hydraulicdriven chassis dynamometer Download PDFInfo
- Publication number
- CN106918460A CN106918460A CN201710214479.2A CN201710214479A CN106918460A CN 106918460 A CN106918460 A CN 106918460A CN 201710214479 A CN201710214479 A CN 201710214479A CN 106918460 A CN106918460 A CN 106918460A
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- China
- Prior art keywords
- hydraulic
- hydraulic pump
- hydraulic motor
- hydraulicdriven
- roller
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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
- G01M17/0072—Wheeled or endless-tracked vehicles the wheels of the vehicle co-operating with rotatable rolls
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/24—Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolutions per unit of time, by multiplying the values of tractive or propulsive force and velocity
- G01L3/245—Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolutions per unit of time, by multiplying the values of tractive or propulsive force and velocity by measuring and simultaneously multiplying pressure and velocity
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Testing Of Engines (AREA)
Abstract
Hydraulicdriven chassis dynamometer is based on the invention discloses one kind, including stage body, main control computer, roller, brake hoisting system and device for power absorption, characterized by further comprising hydraulic pump, pressure sensor, hydraulic motor and fuel tank, the rotating shaft of hydraulic pump is connected by shaft coupling with the rotating shaft of roller；The liquid outlet of hydraulic pump is connected with the oiler of hydraulic motor, and the oil-out of hydraulic motor is connected with fuel tank, and the liquid inlet of hydraulic pump is connected with fuel tank, and the rotating shaft of hydraulic motor is connected by shaft coupling with device for power absorption；Pressure sensor is arranged on the oil circuit between the liquid outlet of hydraulic pump and the oiler of hydraulic motor.Hydraulic drive chassis dynamometer disclosed by the invention, power transmission is carried out by hydraulic pump and hydraulic motor, the variable flexibility in position for making device for power absorption of hydraulic oil pipe length increases, can be separated with stage body, and increase device for power absorption selection diversity, also there is flexibility very high to place.
Description
Technical field
It is more particularly to a kind of to be based on hydraulicdriven chassis dynamometer the present invention relates to vehicle performance test field.
Background technology
Road simulation dynamometer is the inspection most important bench test equipment of automotive performance, and it passes through roller and loading equipemtn
Carry out operating mode of the simulated automotive in road driving to detect dynamic property, fuel economy, sliding performance, the speedometer mistake of automobile
Difference.The loading equipemtn that operating condition method measures exhaust pollution is also used as by the dynamometer machine of special manufacture；There is the anti-bottom dragged of motor
Disk dynamometer machine can also measure automobile chassis and frame loss power in itself.
Road simulation dynamometer can replace most of performance project carried out on road.The purpose is to save during test
Between, expense and fuel consumption, it is often more important that be easy to control test condition, it is quick to obtain more believable test result.It is automobile
Indispensable equipment when detection, debugging, diagnosis, is widely used in automobile making, repairing, detection industry.Used in automobile
Cheng Zhong, judges to its running status, and takes the measure of response, it is possible to greatly improve the reliability and safety of automobile
Property, it is most important that reliable guarantee has been safely provided to human pilot.
Conventional vehicle Chassis dynamometer machine equipment in the market, agent structure have framework, roller group, lifting device, motor,
Turbine, flywheel, Timing Belt and various sensor groups into.Although it can meet the coherent detection project of current automobile,
With the fast development of Modern Traffic transport service, vehicle inspection and test station increases, and the demand to dynamometer machine increases significantly, in the market
Conventional dynamometer machine equipment volume than larger, device for power absorption and stage body can not split put, it is dumb to site requirements, and
And production cost is higher.
The content of the invention
For disadvantages described above, present invention aim at the equipment volume for how reducing dynamometer machine, the flexibility of equipment is improved,
Ensure the accuracy of test simultaneously.
To achieve these goals, hydraulicdriven chassis dynamometer, including stage body, master are based on the invention provides one kind
Control computer, roller, brake hoisting system and device for power absorption, it is characterised in that also including hydraulic pump, pressure sensor, liquid
Pressure motor and fuel tank, the rotating shaft of the hydraulic pump are connected by shaft coupling with the rotating shaft of roller；The liquid outlet of the hydraulic pump with
The oiler of hydraulic motor is connected, and the oil-out of the hydraulic motor is connected with fuel tank, the liquid inlet and fuel tank of the hydraulic pump
It is connected, the rotating shaft of the hydraulic motor is connected by shaft coupling with device for power absorption；The pressure sensor is arranged on liquid
On oil circuit between the liquid outlet of press pump and the oiler of hydraulic motor.
It is described based on hydraulicdriven chassis dynamometer, it is characterised in that including 2 groups or more of sub- measurement of power module and 1
Individual combiner valve, the sub- measurement of power module includes 2 rollers, 1 brake hoisting system, 1 hydraulic pump and a pressure sensor,
All sub- measurement of power modules share main control computer, hydraulic motor and a fuel tank, and the hydraulic pump of all sub- measurement of power modules goes out liquid
Mouth is all connected with afflux valve inlet, and afflux valve outlet is connected with hydraulic motor oiler.
It is described based on hydraulicdriven chassis dynamometer, it is characterised in that the hydraulic pump and roller of same sub- measurement of power module
It is wholely set, the tubing length between hydraulic pump and combiner valve can be adjusted independently.
It is described based on hydraulicdriven chassis dynamometer, it is characterised in that be additionally provided with speed probe on the roller.
It is described based on hydraulicdriven chassis dynamometer, it is characterised in that hydraulic motor integrally sets with device for power absorption
Put, it is separately positioned with stage body.
Hydraulic drive chassis dynamometer disclosed by the invention drives roller to rotate by automobile, and roller drives pump rotation to pass through again
Hydraulic oil is delivered to hydraulic motor so as to drive device for power absorption to rotate.Calculated in real time by gathering pressure and rotary speed data
Power.Hydraulic oil pipe length is variable so that the flexibility in position increase of device for power absorption, can separate, Er Qiezeng with stage body
Plus device for power absorption selection diversity, also there is flexibility very high to place, to greatest extent the upper demand for ensureing detection.
Brief description of the drawings
Fig. 1 is dynamometer machine platform body structure schematic diagram.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is dynamometer machine platform body structure schematic diagram, and the present embodiment is enumerated while 2 data of wheel can be tested, according to need
Also can adjust the data of the multiple wheels of test.Dynamometer machine includes stage body, main control computer, roller 2, brake hoisting system 3, work(
Rate absorption plant 6, hydraulic pump 1, pressure sensor 8, hydraulic motor 7, speed probe 9, combiner valve 4 and fuel tank 5, hydraulic pump 1
Rotating shaft be connected with the rotating shaft of roller 2 by shaft coupling；The liquid outlet of hydraulic pump is connected with the entrance of combiner valve 4, and combiner valve 4 is exported
It is connected with hydraulic motor 7, the oil-out of hydraulic motor 7 is connected with fuel tank 5, the liquid inlet of hydraulic pump 1 is connected with fuel tank 5,
The rotating shaft of hydraulic motor 7 is connected by shaft coupling with device for power absorption 6；Pressure sensor 8 is arranged on the liquid outlet of hydraulic pump 1
On the oil circuit between combiner valve 4, the pressure of each oil circuit of Real-time Collection is realized；Speed probe 9, be arranged on roller 2 turn
On axle；The rotating speed of Real-time Collection each roller.
Hydraulicdriven chassis dynamometer drives roller to rotate by automobile to be tested, and roller drives hydraulic pump rotation, liquid
Mechanical energy is converted into hydraulic energy by press pump, and hydraulic motor is delivered to so as to drive device for power absorption to rotate by hydraulic oil.Cause
It is as the kind of drive, so can obtain the reality per the hydraulic system of hydraulic pump all the way by pressure sensor using pump and motor
When pressure data, the speed probe being made up of the encoder that is arranged on roller obtains rotating speed；And by hydraulic system pressure
Power and the relation of flow, can calculate the flow in corresponding oil circuit, so as to calculate the realtime power of automobile chassis output.Due to liquid
What is passed through between press pump and hydraulic motor is oil pipe connection, and oil pipe can be made of soft material, and length can be adjusted flexibly, so that
Increase the flexibility in position of device for power absorption, can be separated with stage body, and increase device for power absorption selection diversity.
Also there is flexibility very high to place.The demand that upper guarantee is detected to greatest extent.
The dynamometer machine also includes LED display and man machine operation interface.Vehicle is driven on stage body and on regulation gear
Maximum traveling rotating speed is accelerated to from static, wheel drives roller rotation, and roller rotates to be rotated pump and drive hydraulic oil from fuel tank
To hydraulic pump, the hydraulic oil of both sides pump returns to fuel tank by combiner valve by hydraulic motor again, and hydraulic motor is filled with power absorption
Put and be connected, hydraulic motor drives device for power absorption to rotate.Reaction is applied by device for power absorption again when loading is needed
Power is added in reaction force on roller in hydraulic motor by hydraulic oil and pump, so as to be loaded to vehicle.By hydraulic pressure system
The flow rate calculation chassis power output of pressure sensor output pressure and hydraulic system in system.
Can realize with nominal torque working condition measuring, rated power working condition measuring, permanent vehicle speed measurement chassis power output,
Permanent torque measurement chassis power output, the measure of various rotating speeds interval acceleration time and distance, various rotating speeds interval coasting time
The calibration of measure, speedometer, mileometer calibration max. speed with distance are determined, determine operating mode fuel economy measure, it is necessary to set up
Oil consumption meter；Multi-state loads emissions measurement, it is necessary to set up tail-gas analyzer；The counter of chassis (stand) loss power drags experiment, needs
Anti- support motor is set up, and can in real time be shown by the industrial computer of this equipment and upper machine communication.
Above disclosed is only an embodiment of the present invention, can not limit the interest field of sheet with this certainly,
One of ordinary skill in the art will appreciate that all or part of flow of above-described embodiment is realized, and according to the claims in the present invention institute
The equivalent variations of work, still fall within the scope that the present invention is covered.
Claims (5)
1. it is a kind of to be based on hydraulicdriven chassis dynamometer, including stage body, main control computer, roller, brake hoisting system and work(
Rate absorption plant, it is characterised in that also including hydraulic pump, pressure sensor, hydraulic motor and fuel tank, the rotating shaft of the hydraulic pump
It is connected with the rotating shaft of roller by shaft coupling；The liquid outlet of the hydraulic pump is connected with the oiler of hydraulic motor, the hydraulic pressure
The oil-out of motor is connected with fuel tank, and the liquid inlet of the hydraulic pump is connected with fuel tank, and the rotating shaft of the hydraulic motor passes through
Shaft coupling is connected with device for power absorption；The pressure sensor is arranged on the liquid outlet of hydraulic pump and the oiler of hydraulic motor
Between oil circuit on.
2. it is according to claim 1 based on hydraulicdriven chassis dynamometer, it is characterised in that including 2 groups or more of son
Measurement of power module and 1 combiner valve, the sub- measurement of power module include 2 rollers, 1 brake hoisting system, 1 hydraulic pump and one
Pressure sensor, all sub- measurement of power modules share main control computer, hydraulic motor and a fuel tank, the liquid of all sub- measurement of power modules
The liquid outlet of press pump is all connected with afflux valve inlet, and afflux valve outlet is connected with hydraulic motor oiler.
3. it is according to claim 2 based on hydraulicdriven chassis dynamometer, it is characterised in that same sub- measurement of power module
Hydraulic pump is wholely set with roller, and the tubing length between hydraulic pump and combiner valve can be adjusted independently.
4. it is according to claim 3 based on hydraulicdriven chassis dynamometer, it is characterised in that to be additionally provided with the roller
Speed probe.
5. it is according to claim 4 based on hydraulicdriven chassis dynamometer, it is characterised in that hydraulic motor is inhaled with power
Receiving apparatus are wholely set, separately positioned with stage body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710214479.2A CN106918460A (en) | 2017-04-01 | 2017-04-01 | One kind is based on hydraulicdriven chassis dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710214479.2A CN106918460A (en) | 2017-04-01 | 2017-04-01 | One kind is based on hydraulicdriven chassis dynamometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106918460A true CN106918460A (en) | 2017-07-04 |
Family
ID=59568715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710214479.2A Pending CN106918460A (en) | 2017-04-01 | 2017-04-01 | One kind is based on hydraulicdriven chassis dynamometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106918460A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2179578Y (en) * | 1993-12-03 | 1994-10-12 | 西安公路学院 | Mobile motor-vehicle chassis ergograph |
| JPH10141318A (en) * | 1996-11-07 | 1998-05-26 | Nippon Denshi Kagaku Kk | Actuator |
| KR0163011B1 (en) * | 1994-08-06 | 1999-05-15 | 전성원 | Sash dynamometer of testing the endurance of a car suspension |
| CN201637565U (en) * | 2009-12-30 | 2010-11-17 | 长春市建邦汽车零部件有限公司 | Energy-saving rotary fatigue test device |
-
2017
- 2017-04-01 CN CN201710214479.2A patent/CN106918460A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2179578Y (en) * | 1993-12-03 | 1994-10-12 | 西安公路学院 | Mobile motor-vehicle chassis ergograph |
| KR0163011B1 (en) * | 1994-08-06 | 1999-05-15 | 전성원 | Sash dynamometer of testing the endurance of a car suspension |
| JPH10141318A (en) * | 1996-11-07 | 1998-05-26 | Nippon Denshi Kagaku Kk | Actuator |
| CN201637565U (en) * | 2009-12-30 | 2010-11-17 | 长春市建邦汽车零部件有限公司 | Energy-saving rotary fatigue test device |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170704 |
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| RJ01 | Rejection of invention patent application after publication |