CN208459026U - A kind of chassis dynamometer for 4-wheel driven car emission test - Google Patents
A kind of chassis dynamometer for 4-wheel driven car emission test Download PDFInfo
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- CN208459026U CN208459026U CN201821359187.4U CN201821359187U CN208459026U CN 208459026 U CN208459026 U CN 208459026U CN 201821359187 U CN201821359187 U CN 201821359187U CN 208459026 U CN208459026 U CN 208459026U
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- chassis dynamometer
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- rotary drum
- chassis
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Abstract
The utility model discloses a kind of chassis dynamometers for 4-wheel driven car emission test comprising double-row rotary drum chassis dynamometer and four column roller chassis dynamometers and simultaneous attachment mechanism.Above-mentioned double-row rotary drum chassis dynamometer and four column roller chassis dynamometers is respectively intended to contact detection vehicle emission performance with the front wheels and rear wheels of vehicle, and simultaneous attachment mechanism can realize operating synchronously for the roller of double-row rotary drum chassis dynamometer and four column roller chassis dynamometers.Chassis dynamometer in the application has the test request for the four-wheel drive vehicle for adapting to different wheelbases automatically, can complete single drive shaft vehicle, four-wheel drive cars and full-time four-wheel drive vehicle emission test and performance test.
Description
Technical field
The utility model relates to the discharge detection technique fields of 4-wheel driven car, more specifically to one kind for 4 wheel driven
The chassis dynamometer of vehicle emission test.
Background technique
With the continuous development of automotive engineering, 4-wheel driven car technology develops at an amazing speed, and full-time four-wheel drive vehicle is gradually got over
Like come more common people.
The chassis dynamometer in automobile Emissions measurement field generally applies to the detection of single drive shaft automobile at present.It is traditional single
The automobile-used chassis dynamometer of drive shaft is a kind of electromechanical integrated product for being widely used in automotive test.Driving wheel of vehicle is placed in
On dynamometer roller, wheel rotates under certain revolving speed so that roller rotates, and the equipment being connected with roller measures respective counts
According to feeding back to test macro, test obtains the various performance parameters of vehicle.Full-time four-wheel drive vehicle is driving due to four wheels
Wheel, therefore front axle and rear axle require test equipment.And due to the development of modern full-time four-wheel drive technology, can accomplish to each vehicle
Self adaptive control is taken turns, it is thus necessary to realize to rotate synchronously using mechanical connection between each roller by chassis dynamometer, and
It should adapt to the requirement of different vehicle wheelbase.
Therefore, how a kind of chassis dynamometer for 4-wheel driven car emission test is provided, is those skilled in the art's mesh
The preceding technical issues that need to address.
Utility model content
The purpose of this utility model is to provide a kind of chassis dynamometers for 4-wheel driven car emission test, with realization pair
The detection of 4-wheel driven car emission performance.
A kind of chassis dynamometer for 4-wheel driven car emission test comprising:
For detecting the double-row rotary drum chassis dynamometer of vehicle emission performance；
For detecting four column roller chassis dynamometers of vehicle emission performance；
For making the roller of both the double-row rotary drum chassis dynamometer and the four column roller chassis dynamometer is synchronous to transport
The simultaneous attachment mechanism turned.
Preferably, above-mentioned for in the chassis dynamometer of 4-wheel driven car emission test, the simultaneous attachment mechanism includes:
Being arranged on the double-row rotary drum chassis dynamometer can be same with the roller on the double-row rotary drum chassis dynamometer
Walk rotation front pulley, and be arranged on the four column roller chassis dynamometer can on the four column roller chassis dynamometer
The rear belt wheel that rotates synchronously of roller, and the synchronous belt for rotating synchronously the front pulley and rear belt wheel.
Preferably, above-mentioned for in the chassis dynamometer of 4-wheel driven car emission test, the simultaneous attachment mechanism also to be wrapped
Include the tensioning apparatus for adjusting the tensity of synchronous belt.
Preferably, above-mentioned for in the chassis dynamometer of 4-wheel driven car emission test, the double-row rotary drum Chassis dynamometer
Machine and the four column roller chassis dynamometer are provided with for for tested vehicle traveling and liftable lifting platform.
Preferably, above-mentioned for in the chassis dynamometer of 4-wheel driven car emission test, the double-row rotary drum Chassis dynamometer
Machine and the four column roller chassis dynamometer are provided with the arrestment mechanism for locking roller.
Preferably, above-mentioned for in the chassis dynamometer of 4-wheel driven car emission test, the double-row rotary drum Chassis dynamometer
The bridge crossing plate for vehicle driving is provided between machine and the four column roller chassis dynamometer.
Preferably, above-mentioned for in the chassis dynamometer of 4-wheel driven car emission test, the double-row rotary drum Chassis dynamometer
One end of machine and one end of the four column roller chassis dynamometer are provided with the ramp for fixed installation.
Preferably, above-mentioned for in the chassis dynamometer of 4-wheel driven car emission test, the double-row rotary drum Chassis dynamometer
The diameter R range of the roller of both machine and the four column roller chassis dynamometer is 200mm-530mm；The double-row rotary drum bottom
The center of the adjacent roller of the adjacent roller of disk dynamometer machine and the four column roller chassis dynamometer is away from L, L=(620+R) *
Sin31.5 °, and error range is -6.5mm-12.5mm.
In technical solution provided by the utility model, double-row rotary drum chassis dynamometer and four column roller chassis dynamometers difference
For contacting detection vehicle emission performance with the front wheels and rear wheels of vehicle, and simultaneous attachment mechanism can realize that double-row rotary drum chassis is surveyed
The roller of function machine and four column roller chassis dynamometers operates synchronously.
Chassis dynamometer in the application has the test request for the four-wheel drive vehicle for adapting to different wheelbases automatically, can
Complete single drive shaft vehicle, four-wheel drive cars and full-time four-wheel drive vehicle emission test and performance test.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the structure disclosed in the utility model embodiment for the chassis dynamometer to 4-wheel driven car emission test is shown
It is intended to；
Fig. 2 is the structural schematic diagram of double-row rotary drum chassis dynamometer disclosed in the utility model embodiment；
Fig. 3 is the structural schematic diagram of four column roller chassis dynamometers disclosed in the utility model embodiment；
Fig. 4 is the structural schematic diagram of tensioning apparatus disclosed in the utility model embodiment；
Fig. 5 is 4-wheel driven car detection schematic diagram disclosed in the utility model embodiment；
Fig. 6 is the schematic diagram for adapting to different vehicle wheelbase disclosed in the utility model embodiment automatically.
Specific embodiment
Present embodiment is designed to provide a kind of chassis dynamometer for 4-wheel driven car emission test, with reality
Now to the detection of 4-wheel driven car emission performance.
Hereinafter, being illustrated referring to attached drawing to embodiment.In addition, embodiments illustrated below is not to recorded in claim
Utility model content rise any restriction effect.In addition, the full content of composition represented by following example is not limited to conduct
Necessary to the solution of utility model documented by claim.
Please refer to Fig. 1-Fig. 6, a kind of chassis dynamometer for 4-wheel driven car emission test provided in this embodiment, packet
Include double-row rotary drum chassis dynamometer 3 and four column roller chassis dynamometers 1 and simultaneous attachment mechanism 2.Wherein, double-row rotary drum bottom
Disk dynamometer machine 3 and four column roller chassis dynamometers 1 are the measurement of power for being used to detect vehicle emission performance disclosed in the prior art
Machine.In order to realize the detection to 4-wheel driven car emission performance, the roller 4 and four column roller bottoms of double-row rotary drum chassis dynamometer 3 are needed
The roller 4 of disk dynamometer machine 1 rotates synchronously, and therefore, chassis dynamometer disclosed herein further includes simultaneous attachment mechanism 2.
Above-mentioned double-row rotary drum chassis dynamometer 3 and four column roller chassis dynamometers 1 be respectively intended to the front-wheel of vehicle and
Rear-wheel contact detection vehicle emission performance, and simultaneous attachment mechanism 2 can realize double-row rotary drum chassis dynamometer 3 and four column roller bottoms
The roller 4 of disk dynamometer machine 1 operates synchronously.Chassis dynamometer in the application has the four-wheel drive for adapting to different wheelbases automatically
The test request of vehicle, can complete single drive shaft vehicle, four-wheel drive cars and full-time four-wheel drive vehicle emission test and performance is surveyed
Examination.
In specific embodiment, above-mentioned synchronization mechanism includes: front pulley 10, rear belt wheel 7 and synchronous belt 9.Wherein, preceding
Belt wheel 10 is arranged on double-row rotary drum chassis dynamometer 3, and can rotate synchronously with the roller 4 of double-row rotary drum dynamometer machine 3, then
Belt wheel 7 is arranged on four column roller chassis dynamometers 1, and can rotate synchronously with the roller 4 of four column roller chassis dynamometers 1.It is right
It rotates synchronously and can also be passed through by the gear engagement realization being mounted on an axle with corresponding roller in front pulley 10 and rear belt wheel 7
Synchronous belt is realized.In order to realize the synchronous rotation of front pulley 10 and rear belt wheel 7, the two is connected by synchronous belt 9.
Simultaneous attachment mechanism in the application structure by the way of belt wheel and synchronous belt 9 is simple, easily operated.In reality
In can also be where the roller on axis where the roller on double-row rotary drum chassis dynamometer and four column roller chassis dynamometers on axis
It is respectively provided with gear, and realizes the synchronous rotation of axis by the engagement of gear, to realize the synchronous rotation of roller on axis.
In further embodiment, which further includes the tensioning apparatus 8 for adjusting synchronous belt 9.Using
Tensioning apparatus 8 adjusts the rate of tension of synchronous belt 9, prevents synchronous belt 9 from skidding, and guarantees that front pulley 10 and rear belt wheel 7 rotate synchronously.
In order to realize that tested vehicle enters the chassis dynamometer of the 4-wheel driven car emission test, in double-row rotary drum chassis dynamometer
2 and four column roller chassis dynamometer 1 be provided with the lifting platform 5 for travelling for tested vehicle.Since tested vehicle enters
When double-row rotary drum chassis dynamometer 3 and four column roller chassis dynamometers 1, vehicle can not drive to default position if roller 4 rotates
It sets, therefore, when needing to detect, lifting platform 5 rises, and by lifting platform 5, vehicle is feasible to sail to predeterminated position, then lifts
Peaceful 5 decline, the vehicle wheel rotation of vehicle is made by the rotation of roller 4, completes detection.
In further embodiment, in the chassis dynamometer of the 4-wheel driven car emission test, double-row rotary drum chassis dynamometer 3
The arrestment mechanism for locking roller 4 is provided with four column roller chassis dynamometers 1.It can make roller by increasing arrestment mechanism
4 is locked, can make traveling platform of the roller 4 as tested vehicle, and vehicle is facilitated to enter and be driven out to chassis dynamometer.So set,
The lifting height of lifting platform 5 can be reduced.
Specifically, it is also the anchor ear that can hold roller place axis tightly that the arrestment mechanism, which can be brake structure, pass through holding
Axis prevents axis from rotating, and realizes the locked of roller.
Based on the above technical solution, it is set between double-row rotary drum chassis dynamometer 3 and four column roller chassis dynamometers 4
It is equipped with the bridge crossing plate 6 for vehicle driving, to realize vehicle in double-row rotary drum chassis dynamometer 3 and four column roller chassis dynamometers 1
Between move.It can be simple slab construction for bridge crossing plate 6, which is overlapped on double-row rotary drum chassis dynamometer 3 and four
Between column roller chassis dynamometer 1, double-row rotary drum chassis dynamometer 3 and four column roller chassis dynamometers 1 is made to form an entirety
Platform.
One end of double-row rotary drum chassis dynamometer 3 and one end of four column roller chassis dynamometers 1 are provided with for fixing
The ramp of installation.In practice, the ramp can also chassis dynamometer provides platform up and down for tested vehicle.4-wheel driven car is discharged
The fixation of the chassis dynamometer of test according to different can set, and in protection scope.For the position of ramp
Setting can be on one group of relative side of entire chassis dynamometer.
The roller 4 of the roller 4 of double-row rotary drum chassis dynamometer 3 in the application and four column roller chassis dynamometers 1 it is straight
Diameter R range is 200mm-530mm；And the adjacent roller of double-row rotary drum chassis dynamometer 3 and four column roller chassis dynamometers 1
Adjacent roller center away from L, L=(620+R) * sin31.5 °, and error range is -6.5mm-12.5mm.
4-wheel driven car detection process, vehicle enter detection device from 3 one end of double-row rotary drum chassis dynamometer, at this time double-row rotary drum
The lifting platform 5 of chassis dynamometer 3 does not fall, and the arrestment mechanism of double-row rotary drum chassis dynamometer 3 locks double-row rotary drum chassis
The roller 4 of dynamometer machine 3, the bottom anchor mechanism of four column roller chassis dynamometers 1 is also by the roller of four column roller chassis dynamometers 1
4 is locked, and vehicle moves on, and vehicle front-wheel enters four column roller chassis dynamometers 1.When vehicle rear axle enters double-row rotary drum chassis
Dynamometer machine 3, the lifting platform 5 of double-row rotary drum chassis dynamometer 3 falls at this time, and vehicle rear axle wheel is embedded in double-row rotary drum chassis and surveys
The arrestment mechanism of the roller 4 of function machine 3, four column roller chassis dynamometers, 1 bottom also unclamps simultaneously, all wheel tables of tested vehicle
Face is all contacted with roller 4 conscientiously.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 and analyzed, and full-time four-wheel drive vehicle is obtained
Associated emissions parameter.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (8)
1. a kind of chassis dynamometer for 4-wheel driven car emission test characterized by comprising
For detecting the double-row rotary drum chassis dynamometer (3) of vehicle emission performance；
For detecting four column roller chassis dynamometers (1) of vehicle emission performance；
For keeping the roller (4) of both the double-row rotary drum chassis dynamometer (3) and described four column roller chassis dynamometer (1) same
Walk the simultaneous attachment mechanism (2) of operating.
2. the chassis dynamometer according to claim 1 for 4-wheel driven car emission test, which is characterized in that the synchronization
Bindiny mechanism (2) includes:
Being arranged on the double-row rotary drum chassis dynamometer (3) can be with the roller on the double-row rotary drum chassis dynamometer (3)
(4) front pulley (10) rotated synchronously, and setting can be with the four column roller on the four column roller chassis dynamometer (1)
The rear belt wheel (7) that roller (4) on chassis dynamometer (1) rotates synchronously, and for making the front pulley (10) and rear belt wheel
(7) synchronous belt (9) rotated synchronously.
3. the chassis dynamometer according to claim 2 for 4-wheel driven car emission test, which is characterized in that the synchronization
Bindiny mechanism (2) further includes the tensioning apparatus (8) for adjusting the synchronous belt (9) rate of tension.
4. the chassis dynamometer according to claim 1 for 4-wheel driven car emission test, which is characterized in that the biserial
Roller chassis dynamometer (3) and the four column roller chassis dynamometer (1) are provided with for travelling and can rise for tested vehicle
The lifting platform (5) of drop.
5. the chassis dynamometer according to claim 4 for 4-wheel driven car emission test, which is characterized in that the biserial
Roller chassis dynamometer (3) and the four column roller chassis dynamometer (1) are provided with the brake for locking roller (4)
Structure.
6. the chassis dynamometer according to claim 1-5 for 4-wheel driven car emission test, which is characterized in that
The mistake for vehicle driving is provided between the double-row rotary drum chassis dynamometer (3) and the four column roller chassis dynamometer (1)
Bridge plate (6).
7. the chassis dynamometer according to claim 6 for 4-wheel driven car emission test, which is characterized in that the biserial
One end of roller chassis dynamometer (3) and one end of the four column roller chassis dynamometer (1) are provided with for being fixedly mounted
Ramp.
8. the chassis dynamometer according to claim 6 for 4-wheel driven car emission test, which is characterized in that the biserial
The diameter R range of the roller (4) of both roller chassis dynamometer (3) and the four column roller chassis dynamometer (1) is
200mm-530mm；The adjacent roller of the double-row rotary drum chassis dynamometer (3) and the four column roller chassis dynamometer (1)
The center of adjacent roller is away from L, L=(620+R) * sin31.5 °, and error range is -6.5mm-12.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821359187.4U CN208459026U (en) | 2018-08-22 | 2018-08-22 | A kind of chassis dynamometer for 4-wheel driven car emission test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821359187.4U CN208459026U (en) | 2018-08-22 | 2018-08-22 | A kind of chassis dynamometer for 4-wheel driven car emission test |
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| Publication Number | Publication Date |
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| CN208459026U true CN208459026U (en) | 2019-02-01 |
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ID=65179240
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821359187.4U Active CN208459026U (en) | 2018-08-22 | 2018-08-22 | A kind of chassis dynamometer for 4-wheel driven car emission test |
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| CN (1) | CN208459026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964477A (en) * | 2021-02-05 | 2021-06-15 | 山东交通学院 | Dynamometer for motor vehicle |
-
2018
- 2018-08-22 CN CN201821359187.4U patent/CN208459026U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964477A (en) * | 2021-02-05 | 2021-06-15 | 山东交通学院 | Dynamometer for motor vehicle |
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