CN106017844B - A kind of raised barrier for simulated wheel fact impact test - Google Patents
A kind of raised barrier for simulated wheel fact impact test Download PDFInfo
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- CN106017844B CN106017844B CN201610516697.7A CN201610516697A CN106017844B CN 106017844 B CN106017844 B CN 106017844B CN 201610516697 A CN201610516697 A CN 201610516697A CN 106017844 B CN106017844 B CN 106017844B
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- raised barrier
- groove
- barrier block
- rectangle
- raised
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
-
- 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
- G01M17/0078—Shock-testing of vehicles
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Road Signs Or Road Markings (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention provides a kind of raised barrier for simulated wheel fact impact test, it is made up of raised barrier block (1), triaxial force sensor (2), sensor base (3) and groove (5), it is characterised in that:Described groove (5) is located in test pavement (4);Sensor base (3) is placed in the bottom of groove (5);One end of triaxial force sensor (2) is arranged on the upper surface of sensor base (3), and the other end is installed to the lower surface of raised barrier block (1);The cross section of length direction of the described raised barrier block (1) along groove (5) is trapezoidal on top;Also, described raised barrier block (1) is arranged to after installing, and trapezoidal base is concordant with road surface.The advantages of raised barrier of the present invention, is:It is simple in construction, detection is sensitive and is capable of influence of the various raised barriers on simulated roadway surface well to wheel.
Description
Technical field
The present invention relates to auto parts and components simulated test field, and in particular to one kind is used for simulated wheel fact impact test
Raised barrier.
Background technology
At present when carrying out simulated wheel impact test, radial impact, 13 degree of impacts are often carried out using stand method
Deng experiment, so as to investigate reaction of the wheel under the conditions of various collisions and judge whether wheel meets car manufactures and user
Requirement.
Bench test is the simulation to real riving condition, and its analog result possibly can not reflect actual driving procedure completely
In run into the actual response on various undesirable road surfaces.In order to provide the vehicle mass under the conditions of traffic accident, whole-car firm is often
The experiments such as metope are collided using true car to investigate performance of the vehicle under traffic accident.But there is presently no for wheel etc. zero
The method and apparatus that test tested of the part under non-emergency conditions.
The content of the invention
In order to carry out simulating live impact test to parts such as wheels under non-emergency conditions, the invention provides one kind
Raised barrier for simulated wheel fact impact test.
It will be apparent to one skilled in the art that the protrusion on road surface may be met with during the traveling of automobile.The projection
Thing is probably water pipe lay on bump on soil road surface, village road or farm-to-market road for agricultural pouring and protects mud, small
Other bulges or barrier that the deceleration strip of area or school's periphery laying either occurs on road.Automobile when drive through with
On pavement structure when, tire will cause certain active force to wheel.The active force is then disperseed by axle and suspension
To vehicle body.As the auto parts and components directly facing impact, wheel can suffer from damaging in this traveling event.As wheel
Manufacturing enterprise, middle letter wear card and wish to carry out wheel performance detection under conditions of closer actual state.Therefore, hair of the invention
A person of good sense develops following raised barrier.
In one aspect of the invention, there is provided a kind of raised barrier for simulated wheel fact impact test, by
Raised barrier block (1), triaxial force sensor (2), sensor base (3) and groove (5) are formed, it is characterised in that:Described
Groove (5) is located in test pavement (4);Sensor base (3) is placed in the bottom of groove (5);The one of triaxial force sensor (2)
End is installed to the lower surface of raised barrier block (1) installed in the upper surface of sensor base (3), the other end;Described projection
The cross section of length direction of the barrier block (1) along groove (5) is trapezoidal on top;Also, described raised barrier block (1)
It is arranged to after installing, trapezoidal base is concordant with road surface.
In a preferred aspect of the invention, length direction of the described raised barrier block (1) along groove (5) it is transversal
The trapezoidal of face top is isosceles trapezoid, and the long base length of isosceles trapezoid is 400-450mm, and short base length is 80-
130mm, trapezoidal height are 50-90mm.
In a preferred aspect of the invention, length direction of the described raised barrier block (1) along groove (5) it is transversal
The long base length of the isosceles trapezoid part in face is 430mm, and short base length is 100mm, and trapezoidal height is 80mm.
In terms of the present invention is further preferred, the horizontal stroke of length direction of the described raised barrier block (1) along groove (5)
Section bottom is rectangle, and the length of rectangle is 400-450mm, is highly 50-90mm.
In a preferred aspect of the invention, the size of described rectangle is 430 × 70mm.
In a preferred aspect of the invention, the range of described triaxial force sensor (2) is 72kN, accuracy 1%.
In a preferred aspect of the invention, raised barrier block (1) is by steel, cast iron, engineering plastics or aluminium alloy system
Into.
In a preferred aspect of the invention, the upper surface covering matcoveredn of described raised barrier block (1).
In a preferred aspect of the invention, described protective layer be thickness be 5~10mm rubber, plastics, steel or
Aluminium alloy.
In a preferred aspect of the invention, the quantity of described triaxial force sensor (2) is four.
In a preferred aspect of the invention, described raised barrier is selected from following one kind:(A) the raised barrier described in
The long base length for hindering the isosceles trapezoid part of the cross section of length direction of the thing block (1) along groove (5) is 430mm, short base
Length is 100mm, and trapezoidal height is 80mm, the cross section of length direction of the described raised barrier block (1) along groove (5)
Bottom is rectangle, and the size of rectangle is 430 × 70mm;(B) length direction of the raised barrier block (1) along groove (5) described in
The long base length of isosceles trapezoid part of cross section be 400mm, short base length is 80mm, and trapezoidal height is 50mm,
The cross-sectional lower part of length direction of the described raised barrier block (1) along groove (5) is rectangle, the size of rectangle for 400 ×
50mm;(C) the long bottom of the isosceles trapezoid part of the cross section of length direction of the raised barrier block (1) along groove (5) described in
Edge lengths are 450mm, and short base length is 130mm, and trapezoidal height is 90mm, and described raised barrier block (1) is along groove
(5) cross-sectional lower part of length direction is rectangle, and the size of rectangle is 450 × 90mm.
In other aspects of the present invention, a kind of raised barrier of simulated wheel fact impact test is additionally provided, by convex
Play barrier block (1), triaxial force sensor (2), sensor base (3) to form, be embedded in as shown in Figure 2 on road surface.It is 1. raised
Barrier block (Fig. 3), length 500mm, section are made up of rectangle and isosceles trapezoid, and rectangular dimension is 430 × 70mm;Isosceles ladder
The long base of shape and the isometric 430mm of rectangle long side, short base length is 100mm, and trapezoidal height is 80mm.2. triaxial force sensor
Purchased from scientific & technical corporation of Michigan).3. sensor base is used to fix sensor.Connected mode:Dug in advance on road surface recessed
Sensor base plate (3) is placed in hole and is fixed bottom plate by expansion bolt, takes four triaxial force sensors (2) to be arranged in biography
On sensor bottom plate (3), fixed with bolt.By raised barrier place with four three-axis sensors, with bolt by sensor
It is fixed together with raised barrier block.Finally, it is 80mm to make raised barrier height of projection.
The advantages of raised barrier of the present invention, is:Simple in construction, detection is sensitive and being capable of simulated roadway table well
Influence of the various raised barriers in face to wheel.
Brief description of the drawings
Hereinafter, embodiment of the present invention is described in detail with reference to accompanying drawing, wherein:
Fig. 1 is the plane of arrangement figure for the raised barrier that the present invention is used for simulated wheel fact impact test;
Fig. 2 is the cross-section structure schematic diagram for the raised barrier that the present invention is used for simulated wheel fact impact test;
Fig. 3 is bowing for raised barrier block (1) for the raised barrier that the present invention is used for simulated wheel fact impact test
View;And
Fig. 4 is cutting for the raised barrier block (1) for the raised barrier that the present invention is used for simulated wheel fact impact test
Face figure;
In figure:1- projection barriers block, 2- triaxial force sensors, 3- sensor bases, 4- road surfaces, 5- grooves.
Embodiment
Unless additionally illustrating, the three-axis force sensor used in the present invention is purchased from scientific & technical corporation of Michigan, and it is produced
Product model TR3D-C-16K.The three-axis force sensor is the three-axis force sensor of deformation type, and its accuracy is 1%,
Range is 72kN.Although the restriction more than having done, persons skilled in the art are known, other kinds of three-axis force sensor
It can also be used, as long as it meets the condition of three direction dynamometry.Persons skilled in the art, which are also known that, to be used
The six-component sensor that sensitivity is higher and range is higher is used as detection sensor use.
Comparative example 1
The raised barrier of the present embodiment is following article:
In experiment with the groove that to excavate one of width on road first be 450mm, and the install sensor bottom in groove
Seat.Four triaxial force sensors are installed in sensor base, and one block of steel plate is installed again on force snesor.Regulation causes
The upper surface of steel plate is concordant with road surface.A diameter of 50mm steel pipe is laid in surface of steel plate, the pipe is across road.Then exist
Soil is laid on the pipe, until water pipe both sides are all turned into gentle slope.This road barricade is commonly found in the village in northern China rural area
Road and farm-to-market road.During farmland is poured, or during road construction, the road projection barrier of this type frequently appears in
On road.
Go to break the barriers with the vehicle of certain speed, the four triaxial force sensors connection being arranged under barrier is high
Speed digital Acquisition Instrument, the force diagram in impact process can be obtained, by carrying out mathematics coupling to four sensors, calculate barrier
Hinder thing receive make a concerted effort.
Comparative example 2
In experiment with the groove that to excavate one of width on road first be 450mm, and the install sensor bottom in groove
Seat.Four triaxial force sensors are installed in sensor base, and one block of steel plate is installed again on force snesor.Regulation causes
The upper surface of steel plate is concordant with road surface.One of deceleration strip device is fixed in surface of steel plate.The deceleration strip device is along road direction
Width be 350mm, length 400mm, be highly 70mm.
Go to break the barriers with the vehicle of certain speed, the four triaxial force sensors connection being arranged under barrier is high
Speed digital Acquisition Instrument, the force diagram in impact process can be obtained, by carrying out mathematics coupling to four sensors, calculate barrier
Hinder thing receive make a concerted effort.
Embodiment 1
The raised barrier of the present embodiment by raised barrier block (1), triaxial force sensor (2), sensor base (3) and
Groove (5) is formed, it is characterised in that:Described groove (5) is located in test pavement (4);Sensor base (3) is placed in groove
(5) bottom;One end of triaxial force sensor (2) is arranged on the upper surface of sensor base (3), and the other end is installed to raised barrier
Hinder the lower surface of thing block (1);The cross section of length direction of the described raised barrier block (1) along groove (5) is ladder on top
Shape;Also, described raised barrier block (1) is arranged to after installing, and trapezoidal base is concordant with road surface.Described is convex
The long base length for playing the isosceles trapezoid part of the cross section of length direction of the barrier block (1) along groove (5) is 430mm, short
Base length is 100mm, and trapezoidal height is 80mm.The horizontal stroke of length direction of the described raised barrier block (1) along groove (5)
Section bottom is rectangle, and the size of rectangle is 430 × 70mm.
In the pit set on road, barrier, triaxial force sensor, sensor base plate are consolidated by above-mentioned connected mode
It is fixed.Go to break the barriers with the vehicle of certain speed, the four triaxial force sensors connection high speed number being arranged under barrier
Word Acquisition Instrument, the force diagram in impact process can be obtained, by carrying out mathematics coupling to four sensors, calculate barrier
Receive make a concerted effort.
Embodiment 2
The raised barrier of the present embodiment by raised barrier block (1), triaxial force sensor (2), sensor base (3) and
Groove (5) is formed, it is characterised in that:Described groove (5) is located in test pavement (4);Sensor base (3) is placed in groove
(5) bottom;One end of triaxial force sensor (2) is arranged on the upper surface of sensor base (3), and the other end is installed to raised barrier
Hinder the lower surface of thing block (1);The cross section of length direction of the described raised barrier block (1) along groove (5) is ladder on top
Shape;Also, described raised barrier block (1) is arranged to after installing, and trapezoidal base is concordant with road surface.Described is convex
The long base length for playing the isosceles trapezoid part of the cross section of length direction of the barrier block (1) along groove (5) is 400mm, short
Base length is 80mm, and trapezoidal height is 50mm.The horizontal stroke of length direction of the described raised barrier block (1) along groove (5)
Section bottom is rectangle, and the size of rectangle is 400 × 50mm.
In the pit set on road, barrier, triaxial force sensor, sensor base plate are consolidated by above-mentioned connected mode
It is fixed.Go to break the barriers with the vehicle of certain speed, the four triaxial force sensors connection high speed number being arranged under barrier
Word Acquisition Instrument, the force diagram in impact process can be obtained, by carrying out mathematics coupling to four sensors, calculate barrier
Receive make a concerted effort.
Embodiment 3
The raised barrier of the present embodiment by raised barrier block (1), triaxial force sensor (2), sensor base (3) and
Groove (5) is formed, it is characterised in that:Described groove (5) is located in test pavement (4);Sensor base (3) is placed in groove
(5) bottom;One end of triaxial force sensor (2) is arranged on the upper surface of sensor base (3), and the other end is installed to raised barrier
Hinder the lower surface of thing block (1);The cross section of length direction of the described raised barrier block (1) along groove (5) is ladder on top
Shape;Also, described raised barrier block (1) is arranged to after installing, and trapezoidal base is concordant with road surface.Described is convex
The long base length for playing the isosceles trapezoid part of the cross section of length direction of the barrier block (1) along groove (5) is 450mm, short
Base length is 130mm, and trapezoidal height is 90mm.The horizontal stroke of length direction of the described raised barrier block (1) along groove (5)
Section bottom is rectangle, and the size of rectangle is 450 × 90mm.
In the pit set on road, barrier, triaxial force sensor, sensor base plate are consolidated by above-mentioned connected mode
It is fixed.Go to break the barriers with the vehicle of certain speed, the four triaxial force sensors connection high speed number being arranged under barrier
Word Acquisition Instrument, the force diagram in impact process can be obtained, by carrying out mathematics coupling to four sensors, calculate barrier
Receive make a concerted effort.
Embodiment 4
Comparative example 1-2 and embodiment 1-3 device are subjected to contrast test, test parameters and knot according to the method for description
Fruit is recorded in table 1.The simulating vehicle used is true car, in particular popular Magotan board car.Every group of experiment carries out 3 experiments
And average.
Table 1:The Impulse Test Result of comparative example 1-2 and embodiment 1-3 device
Test group | Test speed (/kmh-1) | Barrier is by with joint efforts (/KN) |
Comparative example 1 | 64 | 33.3 |
Comparative example 2 | 64 | 35.4 |
Embodiment 1 | 64 | 36.0 |
Embodiment 2 | 64 | 31.1 |
Embodiment 3 | 64 | 40.5 |
From the data of table 1, embodiment 1-3 barrier is by the numerical value and the practical obstacle thing phase of comparative example 1 made a concerted effort
Than its difference is up to 21.6%, its difference minimum 6.6%;Embodiment 1-3 barrier is by the numerical value and comparative example made a concerted effort
2 practical obstacle thing is compared, and its difference is up to 14.4%, its difference minimum 1.7%.As can be seen here, implementation of the invention
Example 1-3 barrier can be with good two kinds of real barriers of simulation.Wherein, the barrier of the barrier simulation reality of embodiment 1
Hinder thing best.
Claims (10)
- A kind of 1. raised barrier for simulated wheel fact impact test, by raised barrier block (1), triaxial force sensor (2), sensor base (3) and groove (5) are formed, it is characterised in that:Described groove (5) is located in test pavement (4);Sensing Device base (3) is placed in the bottom of groove (5);One end of triaxial force sensor (2) is arranged on the upper table of sensor base (3) Face, the other end are installed to the lower surface of raised barrier block (1);Length side of the described raised barrier block (1) along groove (5) To cross section on top to be trapezoidal;Also, described raised barrier block (1) is arranged to after installing, trapezoidal bottom Side is concordant with road surface.
- 2. raised barrier according to claim 1, it is characterised in that described raised barrier block (1) is along groove (5) The trapezoidal of cross section top of length direction be isosceles trapezoid, and the long base length of isosceles trapezoid is 400-450mm, short Base length is 80-130mm, and trapezoidal height is 50-90mm.
- 3. raised barrier according to claim 2, it is characterised in that described raised barrier block (1) is along groove (5) The long base length of isosceles trapezoid part of cross section of length direction be 430mm, short base length is 100mm, trapezoidal Highly it is 80mm.
- 4. the raised barrier according to any one of claim 1-3, it is characterised in that described raised barrier block (1) it is rectangle along the cross-sectional lower part of the length direction of groove (5), and the length of rectangle is 400-450mm, is highly 50- 90mm。
- 5. raised barrier according to claim 4, it is characterised in that the size of described rectangle is 430 × 70mm.
- 6. the raised barrier according to any one of claim 1-3, it is characterised in that described triaxial force sensor (2) range is 72kN, accuracy 1%.
- 7. the raised barrier according to any one of claim 1-3, it is characterised in that raised barrier block (1) by steel, Cast iron, engineering plastics or aluminium alloy are made.
- 8. the raised barrier according to any one of claim 1-3, it is characterised in that described raised barrier block (1) upper surface covering matcoveredn, and described protective layer is that rubber, plastics, steel or aluminium that thickness is 5~10mm close Gold.
- 9. the raised barrier according to any one of claim 1-3, it is characterised in that described triaxial force sensor (2) quantity is four.
- 10. raised barrier according to claim 1 or 2, it is characterised in that described raised barrier is selected from following It is a kind of:(A) the long bottom of the isosceles trapezoid part of the cross section of length direction of the raised barrier block (1) along groove (5) described in Edge lengths are 430mm, and short base length is 100mm, and trapezoidal height is 80mm, and described raised barrier block (1) is along groove (5) cross-sectional lower part of length direction is rectangle, and the size of rectangle is 430 × 70mm;(B) the raised barrier block described in (1) it is 400mm along the long base length of isosceles trapezoid part of the cross section of the length direction of groove (5), short base length is 80mm, trapezoidal height are 50mm, and the cross-sectional lower part of length direction of the described raised barrier block (1) along groove (5) is Rectangle, the size of rectangle is 400 × 50mm;(C) length direction of the raised barrier block (1) along groove (5) described in it is transversal The long base length of the isosceles trapezoid part in face is 450mm, and short base length is 130mm, and trapezoidal height is 90mm, described The cross-sectional lower part of length direction of the raised barrier block (1) along groove (5) is rectangle, and the size of rectangle is 450 × 90mm.
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CN2016200945763 | 2016-01-31 | ||
CN201620094576 | 2016-01-31 |
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CN106017844A CN106017844A (en) | 2016-10-12 |
CN106017844B true CN106017844B (en) | 2018-03-16 |
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CN201610516697.7A Active CN106017844B (en) | 2016-01-31 | 2016-07-05 | A kind of raised barrier for simulated wheel fact impact test |
CN201620692615.XU Withdrawn - After Issue CN205826261U (en) | 2016-01-31 | 2016-07-05 | A kind of protruding barrier for simulated wheel fact impact test |
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CN201620692615.XU Withdrawn - After Issue CN205826261U (en) | 2016-01-31 | 2016-07-05 | A kind of protruding barrier for simulated wheel fact impact test |
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Families Citing this family (6)
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CN106017844B (en) * | 2016-01-31 | 2018-03-16 | 中信戴卡股份有限公司 | A kind of raised barrier for simulated wheel fact impact test |
CN106596143A (en) * | 2016-12-12 | 2017-04-26 | 上海汽车集团股份有限公司 | Tire road impact test device |
CN109282974A (en) * | 2017-07-21 | 2019-01-29 | 郑州宇通客车股份有限公司 | The method of vehicle frame fast verification |
CN108469345B (en) * | 2018-03-14 | 2020-07-17 | 北京汽车集团越野车有限公司 | Vehicle turning capacity testing method and obstacle device |
CN117589476B (en) * | 2024-01-18 | 2024-03-19 | 理工雷科电子(天津)有限公司 | Simulation test system for intelligent driving |
CN117723318B (en) * | 2024-02-08 | 2024-04-26 | 安徽中科星驰自动驾驶技术有限公司 | Reliability determining method and testing system for automobile automatic driving system |
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US7610792B2 (en) * | 2006-08-09 | 2009-11-03 | Ford Motor Company | Sled buck testing system |
JP2010230641A (en) * | 2009-03-06 | 2010-10-14 | Toyota Motor Corp | Method for analyzing tire action force using finite element model of tire and method for analyzing tire vibration and tire noise using the same |
JP5999977B2 (en) * | 2012-05-17 | 2016-09-28 | 株式会社ブリヂストン | Tire tread contact unit measuring apparatus and tire tread contact unit measuring method |
CN203479536U (en) * | 2013-07-30 | 2014-03-12 | 北京汽车研究总院有限公司 | Protruding block for vehicle ride comfort pulse test |
CN104330265B (en) * | 2014-10-28 | 2017-02-15 | 芜湖赛德交通设备有限公司 | Pavement concave-convex simulator for automobile testing |
CN104729863B (en) * | 2015-04-15 | 2017-03-08 | 吉林大学 | Multifunctional tire road detection apparatus and its method of testing |
CN106017844B (en) * | 2016-01-31 | 2018-03-16 | 中信戴卡股份有限公司 | A kind of raised barrier for simulated wheel fact impact test |
-
2016
- 2016-07-05 CN CN201610516697.7A patent/CN106017844B/en active Active
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CN205826261U (en) | 2016-12-21 |
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