CN109443805A - Car test bench based on ER fluid becomes slip rate slide plate - Google Patents
Car test bench based on ER fluid becomes slip rate slide plate Download PDFInfo
- Publication number
- CN109443805A CN109443805A CN201910032768.XA CN201910032768A CN109443805A CN 109443805 A CN109443805 A CN 109443805A CN 201910032768 A CN201910032768 A CN 201910032768A CN 109443805 A CN109443805 A CN 109443805A
- Authority
- CN
- China
- Prior art keywords
- slide plate
- fluid
- slip rate
- block
- test bench
- Prior art date
- 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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- 239000012530 fluid Substances 0.000 title claims abstract description 49
- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 33
- 239000010959 steel Substances 0.000 claims description 33
- 230000005684 electric field Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
Classifications
-
- 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
- G01M17/013—Wheels
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Braking Arrangements (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a kind of, and the car test bench based on ER fluid becomes slip rate slide plate, it is intended to solve the problems, such as that the car test bench based on ER fluid becomes slip rate slide plate slip rate adjust automatically.Car test bench based on ER fluid becomes slip rate slide plate and is mainly made of slide plate (1), block (2), ball (3), slide rheostat (4), power supply (5), switch (6) with ER fluid (7).The conducting wire other end penetrates the circular through hole of block (2) side and is inserted into ER fluid (7), the cathode of power supply (5) is connect by conducting wire with switch (6), the other end of switch (6) is connect with conducting wire, and the conducting wire other end penetrates the circular through hole of block (2) other side and is inserted into ER fluid (7).Provide that a kind of structure is simple, the car test bench based on ER fluid of reliable performance becomes slip rate slide plate.
Description
Technical field
The present invention relates to a kind of detection devices in Vehicle Detection field, more specifically, it is a kind of based on ER fluid
Car test bench become slip rate slide plate.
Background technique
In recent years, the increasingly developed growth of automobile industry, vehicle testing technique along with automotive engineering development.With
Science and technology progress, with the instrument and equipments such as various advanced car test benches safety, quickly and accurately to automobile carry out
Non-disassembly measurement is of great significance to the safety of automobile.Wherein, in order to vehicle progress braking performance test, brake inspection
Platform needs the size to the wheel maximum braking force of different vehicle to detect.Due to automobile ABS system slip rate between
Brake force when between 10% to 20% is maximum, and therefore, it is necessary to simulate sliding to realize the detection to automobile maximum braking force.For
Solve the problems, such as that tradition using the testing stand detection wheel maximum braking force method inaccuracy of fixed slip rate, is needed by changing
Become slide plate slip rate so that wheel reaches maximum braking force and detected.Therefore, a kind of vapour based on ER fluid is devised
Vehicle testing stand becomes slip rate slide plate.
Summary of the invention
The present invention is directed to cannot achieve the status that dynamic control is carried out to the slip rate of car test bench slide plate at present, design
A kind of cost is relatively low, structure is simple and convenient to operate, the car test bench of reliable performance becomes slip rate slide plate.Become based on electric current
The car test bench of liquid becomes the electric-field strength that slip rate slide plate quantitatively changes ER fluid both ends in block by slide rheostat
Size is spent, to quantitatively change the kinematic viscosity of ER fluid in block, dynamic control is carried out to slide plate slip rate.Work as slip rate
When between 10% to 20%, automotive wheel reaches maximum braking force, to realize that car test bench brakes wheel maximum
Power accurately measures.
Refering to fig. 1 to Fig. 5, in order to solve the above technical problems, the present invention is realised by adopting the following technical scheme.The present invention
The provided car test bench based on ER fluid becomes slip rate slide plate.Include slide plate, block, ball, slide rheostat,
Power supply, switch and ER fluid.
Block is placed on level ground, and the elongate rectangular steel plate of slide plate bottom is put into the inside of block, one group of ball
The spherical pit face contact at top and the elongate rectangular steel plate bottom of slide plate bottom is slidably matched, the bottom and block bottom of ball
The top surface contact slide of steel plate cooperates, and ER fluid is housed, slide rheostat one end passes through in the cavity between block and slide plate
Conducting wire is connect with positive pole, and the other end of slide rheostat is connect with conducting wire, and the conducting wire other end penetrates the circle of block side
Through-hole is simultaneously inserted into ER fluid, and the cathode of power supply is connected with switch by conducting wire, and the other end of switch is connect with conducting wire, and conducting wire is another
One end penetrates the circular through hole of the block other side and is inserted into ER fluid.
Slide plate described in technical solution is made of rectangular steel plates, and rectangular steel plates lower surface is vertically welded with one group of elongated square
Shape steel plate, every piece of elongate rectangular surface of steel plate are machined with one group of circular through hole, and every piece of elongate rectangular steel plate bottom surface is machined with
One group of spherical pit.
Block described in technical solution is box parts made of five pieces of rectangular steel plates vertical weldings, and the left and right sides adds
There are two circular through holes for work.
Ball described in technical solution is spherical steel components.
ER fluid described in technical solution is a kind of suspension that liquid-solid transformation can occur under electric field action
Liquid.
The beneficial effects of the present invention are:
(1) present invention changes the electric current in circuit by slide rheostat, quantitatively changes the electric field at ER fluid both ends
Intensity, makes ER fluid have different viscosity, and control slide plate simulates the road surface of different slip rates, reaches automotive wheel to be measured
Maximum braking force, to realize the accurate measurement to automotive wheel maximum braking force.
(2) major part of the invention is processed using standard steel section, firstly, as important detection device, using mark
Pseudotype steel has certain intensity, can be indeformable in long-term use, to guarantee the precision of maximum braking force testing result.Its
Secondary, standard steel section yield is big, and machining operation is few, lower production costs.
Detailed description of the invention
Fig. 1 is the cross-sectional view that the car test bench based on ER fluid becomes slip rate slide plate；
Fig. 2 is the axonometric drawing that the car test bench based on ER fluid becomes slip rate slide plate；
Fig. 3 is the axonometric drawing that the car test bench based on ER fluid becomes slip rate slide plate middle slide plate 1；
Fig. 4 is the axonometric drawing that the car test bench based on ER fluid becomes block 2 in slip rate slide plate；
Fig. 5 is the schematic diagram that the car test bench based on ER fluid becomes slide rheostat 4 in slip rate slide plate；
In figure: 1. slide plates, 2. blocks, 3. balls, 4. slide rheostats, 5. power supplys, 6. switches, 7. ER fluids.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings:
Refering to fig. 1 to Fig. 5, it includes slide plate 1, block 2, rolling that the car test bench based on ER fluid, which becomes slip rate slide plate,
Pearl 3, slide rheostat 4, power supply 5, switch 6 and ER fluid 7.
Block 2 is box parts made of five pieces of rectangular steel plates vertical weldings, and there are two round logical for left and right sides processing
Hole, block 2 are placed on level ground, and slide plate 1 is made of rectangular steel plates, rectangular steel plates lower surface be vertically welded with one group it is elongated
Rectangular steel plates, every piece of elongate rectangular surface of steel plate are machined with one group of circular through hole, every piece of elongate rectangular steel plate bottom surface processing
There is one group of spherical pit, ball 3 is spherical steel components, and the elongate rectangular steel plate of 1 bottom of slide plate is put into the inside of block 2, one
The spherical pit face contact at the top and the elongate rectangular steel plate bottom of 1 bottom of slide plate of group ball 3 is slidably matched, the bottom of ball 3
The top surface contact slide of portion and 2 bottom steel plate of block cooperates, Gu ER fluid 7 is that liquid-can occur under electric field action for one kind
The suspension of body transformation, ER fluid 7 is equipped in the cavity between block 2 and slide plate 1,4 one end of slide rheostat passes through conducting wire
It is connect with 5 anode of power supply, the other end of slide rheostat 4 is connect with conducting wire, and the circle that the conducting wire other end penetrates 2 side of block is logical
ER fluid 7 is simultaneously inserted into hole, and the cathode of power supply 5 is connect by conducting wire with switch 6, and the other end of switch 6 is connect with conducting wire, conducting wire
The other end penetrates the circular through hole of 2 other side of block and is inserted into ER fluid 7.
Car test bench based on ER fluid becomes the application method of slip rate slide plate:
Car test bench based on ER fluid is become slip rate slide plate to be placed on level ground.It will close the switch, by
Power supply provides electric current for system electrical circuit, changes the size of current in circuit by slide rheostat, to change ER fluid
The electric field strength at both ends.The viscosity of ER fluid changes as electric field strength changes, and realizes dynamic to the viscosity of ER fluid
Control, the level ground of different slip rates is simulated with this.Slip rate slide plate pair is become using the car test bench based on ER fluid
The maximum braking force of automotive wheel is detected, and can obtain the exact value of each automobile maximum braking force to be measured.
Claims (5)
1. a kind of car test bench based on ER fluid becomes slip rate slide plate, which is characterized in that described based on ER fluid
Car test bench become slip rate slide plate include slide plate (1), block (2), ball (3), slide rheostat (4), power supply (5),
(6) and ER fluid (7) are switched,
Block (2) is placed on level ground, and the elongate rectangular steel plate of slide plate (1) bottom is put into the inside of block (2), one group of rolling
The top of pearl (3) and the spherical pit face contact of the elongate rectangular steel plate bottom of slide plate (1) bottom are slidably matched, ball (3)
The top surface contact slide of bottom and block (2) bottom steel plate cooperates, and electric current is housed in the cavity between block (2) and slide plate (1)
Become liquid (7), slide rheostat (4) one end is connect by the way that conducting wire and power supply (5) are positive, the other end of slide rheostat (4) with lead
Line connection, the conducting wire other end penetrate the circular through hole of block (2) side and are inserted into ER fluid (7), and the cathode of power supply (5) passes through
Conducting wire is connect with switch (6), and the other end of switch (6) is connect with conducting wire, and the conducting wire other end penetrates the circle of block (2) other side
Through-hole is simultaneously inserted into ER fluid (7).
2. the car test bench described in accordance with the claim 1 based on ER fluid becomes slip rate slide plate, it is characterised in that described
Slide plate (1) be made of rectangular steel plates, rectangular steel plates lower surface is vertically welded with one group of elongate rectangular steel plate, every piece of elongate rectangular
Surface of steel plate is machined with one group of circular through hole, and every piece of elongate rectangular steel plate bottom surface is machined with one group of spherical pit.
3. the car test bench described in accordance with the claim 1 based on ER fluid becomes slip rate slide plate, it is characterised in that described
Block (2) be box parts made of five pieces of rectangular steel plates vertical weldings, there are two circular through holes for left and right sides processing.
4. the car test bench described in accordance with the claim 1 based on ER fluid becomes slip rate slide plate, it is characterised in that described
Ball (3) be spherical steel components.
5. the car test bench described in accordance with the claim 1 based on ER fluid becomes slip rate slide plate, it is characterised in that described
ER fluid (7) be it is a kind of can occur under electric field action liquid-solid transformation suspension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032768.XA CN109443805B (en) | 2019-01-14 | 2019-01-14 | Automobile test bed variable slip rate sliding plate based on electrorheological fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032768.XA CN109443805B (en) | 2019-01-14 | 2019-01-14 | Automobile test bed variable slip rate sliding plate based on electrorheological fluid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109443805A true CN109443805A (en) | 2019-03-08 |
| CN109443805B CN109443805B (en) | 2024-06-18 |
Family
ID=65544197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910032768.XA Active CN109443805B (en) | 2019-01-14 | 2019-01-14 | Automobile test bed variable slip rate sliding plate based on electrorheological fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109443805B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1065934A (en) * | 1992-04-20 | 1992-11-04 | 梁助兴 | The side slip tester that has secondary slide |
| JPH05127760A (en) * | 1991-10-31 | 1993-05-25 | Toyota Motor Corp | Electrode for electroviscous fluid |
| US5462361A (en) * | 1993-09-14 | 1995-10-31 | Nsk Ltd. | Electrorheological fluid damper for a slide mechanism |
| JPH09125743A (en) * | 1995-11-02 | 1997-05-13 | Mitsubishi Heavy Ind Ltd | Variable resistance device of electroviscous type |
| KR20040064125A (en) * | 2003-01-09 | 2004-07-16 | 학교법인 인하학원 | Electro-rheological valve modulator and anti-lock brake system comprising the same |
| CN1560618A (en) * | 2004-03-01 | 2005-01-05 | 西北工业大学 | Current variable liquid static shear yield strength detecting method and detector |
| CN2681132Y (en) * | 2004-03-01 | 2005-02-23 | 西北工业大学 | Static shear yield strength testing device for electrorheological liquor |
| CN1583443A (en) * | 2004-05-21 | 2005-02-23 | 浙江大学 | Electric rheological fluid vibration-absorber for vehicle engine |
| JP2009029414A (en) * | 2007-07-24 | 2009-02-12 | Robert Bosch Gmbh | Vehicular braking device having electrorheologic and/or magnetorheologic component |
| CN101514715A (en) * | 2009-03-23 | 2009-08-26 | 吉林大学 | Piezoelectric/electrorheological mixed ultraprecise hydraulic step drive device |
| CN103591209A (en) * | 2013-11-08 | 2014-02-19 | 青岛农业大学 | Seven-level adjustable reciprocating type electrorheological fluid damper |
| CN204082741U (en) * | 2014-08-31 | 2015-01-07 | 浙江师范大学 | A kind of have relative displacement self-sensing diverter valve based on magnetic rheology effect |
| CN105841863A (en) * | 2016-03-21 | 2016-08-10 | 山东理工大学 | Four-wheel-drive automobile chassis dynamometer |
| CN206038327U (en) * | 2016-08-10 | 2017-03-22 | 山东安车检测技术有限公司 | Slide formula side slip tester |
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-
2019
- 2019-01-14 CN CN201910032768.XA patent/CN109443805B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05127760A (en) * | 1991-10-31 | 1993-05-25 | Toyota Motor Corp | Electrode for electroviscous fluid |
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| JPH09125743A (en) * | 1995-11-02 | 1997-05-13 | Mitsubishi Heavy Ind Ltd | Variable resistance device of electroviscous type |
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| CN2681132Y (en) * | 2004-03-01 | 2005-02-23 | 西北工业大学 | Static shear yield strength testing device for electrorheological liquor |
| CN1560618A (en) * | 2004-03-01 | 2005-01-05 | 西北工业大学 | Current variable liquid static shear yield strength detecting method and detector |
| CN1583443A (en) * | 2004-05-21 | 2005-02-23 | 浙江大学 | Electric rheological fluid vibration-absorber for vehicle engine |
| JP2009029414A (en) * | 2007-07-24 | 2009-02-12 | Robert Bosch Gmbh | Vehicular braking device having electrorheologic and/or magnetorheologic component |
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| CN103591209A (en) * | 2013-11-08 | 2014-02-19 | 青岛农业大学 | Seven-level adjustable reciprocating type electrorheological fluid damper |
| CN204082741U (en) * | 2014-08-31 | 2015-01-07 | 浙江师范大学 | A kind of have relative displacement self-sensing diverter valve based on magnetic rheology effect |
| CN105841863A (en) * | 2016-03-21 | 2016-08-10 | 山东理工大学 | Four-wheel-drive automobile chassis dynamometer |
| CN206038327U (en) * | 2016-08-10 | 2017-03-22 | 山东安车检测技术有限公司 | Slide formula side slip tester |
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| Publication number | Publication date |
|---|---|
| CN109443805B (en) | 2024-06-18 |
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