CN107305160A - A kind of chassis collision deceleration regulation experimental rig - Google Patents
A kind of chassis collision deceleration regulation experimental rig Download PDFInfo
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- CN107305160A CN107305160A CN201610235227.3A CN201610235227A CN107305160A CN 107305160 A CN107305160 A CN 107305160A CN 201610235227 A CN201610235227 A CN 201610235227A CN 107305160 A CN107305160 A CN 107305160A
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- chassis
- impact
- impact bar
- plate
- experimental rig
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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
- G01M17/0078—Shock-testing of vehicles
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of chassis collision deceleration regulation experimental rig, the device mainly includes stand (18), casing bit (13), energy absorbing tube (2), movable support (9), impact bar (6).The device is mainly used in realizing the buffering energy-absorbing to chassis in impact test, and can be required according to different tests, the impact head of various outer diameter and the quantity of impact bar of connecting rod front end are installed on by adjustment to adjust the shape that chassis collides projectile deceleration history, realize the chassis collision deceleration waveform of different tests requirement.The present invention has the advantages that simple in construction, test repeatability is good, experimentation cost is low and deceleration waveform stabilization.
Description
Technical field
Present invention relates generally to vehicle impact testing field, a kind of chassis collision adjustable experimental rig of deceleration waveform is refered in particular to.
Background technology
The experiment of vehicle passive safety includes：Real vehicle collision test and simulative automobile collision (chassis) test two kinds.Due to real vehicle
Impact test is a kind of destructive experiment, costly, therefore suffers from fund, equipment and the limitation of personnel.With real vehicle
Impact test is compared, and there is sled test reproducible, collision waveform to be easily controlled, the low advantage of testing expenses.In order to meet
Chassis deceleration requirement under different impact conditions, can install crash energy absorption equipment, chassis passes through between chassis and rigid wall
Buffer unit is collided with rigid wall, and the projectile deceleration history of the collision of needs is obtained by adjusting the mechanical characteristic of buffer unit.
There is following requirement to sled impact test crash energy absorption equipment：(1) automobile body deceleration obtained in real vehicle collision test can be simulated
Curve；(2) interval requirement (such as GB141556, GB27887, ECE R129 of different deceleration in various regulations experiment is met
Deng)；(3) sled impact test deceleration waveform has repeatability.The chassis crusherbull zone experimental rig used in the world at present
Mainly have：Hydraulic damping device, plastic. buffer energy absorption device, mechanical damping energy absorption device etc..This few class device can be in collision
Realize the buffering energy-absorbing to chassis in experiment, but there is also the regulation of chassis deceleration waveform is relatively complicated, test repeatability simultaneously
The problems such as not high or higher experimentation cost.
The content of the invention
Deceleration waveform adjustment experimental rig is collided the invention provides a kind of chassis, to ensure that sled impact test deceleration is easy
Adjustable, waveform stabilization and repeatable utilization, experimentation cost are relatively low.
To achieve the above object, the invention provides following solution：
Chassis collides deceleration waveform adjustment experimental rig, and it mainly includes：Stand, casing bit, energy absorbing tube, impact bar with
And movable support etc., it is characterised in that：
The device is mainly used in realizing the buffering energy-absorbing to chassis in impact test, and can according to different tests requirement in combination with
Simulation result, is installed on the maximum outside diameter of Olivary head and the quantity of impact bar of impact bar front end to adjust the device by adjustment
The output of projectile deceleration history, so that realizing in various regulations the requirement of (such as GB14166, GB27887 etc.) different tests condition
Deceleration waveform.
Described sleeve pipe device includes upper half-covering tube, lower half-covering tube and sleeve pipe fixing bolt；Lower half-covering tube simultaneously with the set on stand
Tube support plate, rear fixed plate are rigidly connected fixation, and sleeve pipe is respectively equipped with the connecting plate of strap bolt through hole up and down, is fixed by sleeve pipe
Bolt sleeve pipe will be connected up and down.
The stand includes square tube, collar supports plate, ground supports fixed plate, rear fixed plate, and each part forms whole by welding
Body；Rear fixed plate is connected by fixing bolt with rigid walls, and ground fixed plate is provided with bolt hole, can pass through bolt and ground
Face is connected.
The energy absorbing tube is the pipe of class trapezoid cross section, and material can be polyurethane (or similar performance material), along pipe diameter side
To one fixed width pipe seam is provided with, during experiment, energy absorbing tube is placed in casing bit, end is contacted with stand rear fixed plate, tested
Afterwards, sleeve pipe fixing bolt is turned on energy absorbing tube can be taken out from casing bit together with impact bar, then by pipe seam can by energy absorbing tube with
Impact bar is separated.
The impact bar includes impact head, connecting rod；Impact head high strength steel is precise polished to be formed, and can be processed according to test requirements document
Into various outer diameter size, and it is provided with impact head screwed hole and connecting rod and fixes (replacings), connects rod rear end and be welded with impact bar baffle plate,
Rubber blanket (or spring etc.) can be fixed on contact area for increasing chassis and impact bar in process of the test, impact bar baffle plate slow
Stamping, it is to avoid chassis produces rigid collision with connecting rod in process of the test.
The removable impact rod bearing includes T-shaped plate and unidirectional pulley；The a plurality of slide slot of support impact bar is provided with T-shaped plate,
The unidirectional pulley of bottom plate lower end is fixedly connected with the bottom plate of T-shaped plate, in process of the test, movable support can with impact bar to
Preceding motion.
The chassis collision deceleration waveform adjustable test device that the present invention is provided, extrudes energy absorbing tube by impact head and realizes buffer deceleration,
Experiment proves that collision deceleration waveform can be adjusted within the specific limits.The present invention have simple in construction, experimentation cost it is cheap,
Easy to operate and reproducible the advantages of.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention herein, and schematic description and description of the invention is used to explain this
Invention, but do not constitute inappropriate limitation of the present invention.
Fig. 1 is the agent structure schematic diagram (axonometric drawing) of the present invention；
Fig. 2 is the energy absorbing tube structural representation (axonometric drawing) of embodiment illustrated in fig. 1；
Fig. 3 is energy absorbing tube sectional view in Fig. 2；
Fig. 4 is the impact head cross section structure diagram of embodiment illustrated in fig. 1；
Fig. 5 is the connecting rod bar front view of embodiment illustrated in fig. 1；
Fig. 6 is the movable support structural representation (axonometric drawing) of embodiment illustrated in fig. 1；
Fig. 7 is the casing bit structural representation (axonometric drawing) of embodiment illustrated in fig. 1；
Fig. 8 is the horse structure schematic diagram (axonometric drawing) of embodiment illustrated in fig. 1.
Marginal data
1- rigid walls；2- energy absorbing tubes；3- pipe seams；4- impact heads；5- impact head screwed holes；6- impact bars；7- impact bar screw threads
Head；8- impact bar baffle plates；9- movable supports；10-T templates；The unidirectional pulleys of 11-；12- collar supports plates；13- casing bits；
Half-covering tube under 14-；The upper half-covering tubes of 15-；16- connecting plates；17- sleeve pipe fixing bolts；18- stands；19- stands ground supports are consolidated
Fixed board；20- square tubes；21- stand fixing bolts；22- stand rear fixed plates；23- connecting rods.
Embodiment
The present invention is described in further details below with reference to the drawings and specific embodiments.
As shown in figure 1, a kind of chassis collision deceleration regulation experimental rig, it includes stand 18, casing bit 13, energy absorbing tube
2nd, impact bar 6 and movable support 9 etc., wherein casing bit 13, energy absorbing tube 2, the master of the composition buffering energy-absorbing of impact bar 6
Want structure.The main body of stand 18 is welded into matrix pattern by square tube 20, and the rear fixed plate 22 of end welding passes through stand fixing bolt
21 are connected with rigid walls 1；The ground fixed plate 19 of lower end welding is fixed by bolt with ground.Casing bit 13 includes
Upper half-covering tube 15, lower half-covering tube 14 and sleeve pipe fixing bolt 17；The collar supports of lower half-covering tube 14 simultaneously with stand 18
Plate 12, rear fixed plate 22 are welded to connect fixation, and sleeve pipe 14,15 is respectively equipped with the connecting plate 16 of strap bolt through hole up and down, passes through
Sleeve pipe fixing bolt 17 sleeve pipe 14,15 will be connected up and down.Energy absorbing tube 2 is the polyurethane pipe of class trapezoid cross section, along circle
Pipe diameter direction is provided with the wide pipe seams 3 of 2mm；Energy absorbing tube 2 is placed in casing bit 13 during experiment and end after stand with fixing
Plate 22 is in contact, and energy absorbing tube 2 can stitch 3 directions along open pipe and break into two with one's hands and take out impact bar 6 after experiment.Impact head 4 is by high strength steel
Polishing is processed, and terminal surface has impact head screwed hole 5.It is processed into connecting rod thread head 7 and impact in the front end of connecting rod 23
First 4 screwed hole 5 is connected, and end has been welded for increasing the impact bar baffle plate 8 with chassis contact area, and in impact bar
Rubber blanket is fixed with baffle plate 8, it is to avoid the rigid collision of chassis and impact bar 6.Movable support 9 is the T-shaped plate 10 of polyurethane
It is formed by connecting with unidirectional pulley 11, and 5 bar grooves 10 has been opened on T-shaped plate according to the position of impact bar 6, for supports impact
Bar 6；The unidirectional pulley 11 of bottom is bolted to connection with T-shaped plate 10.
After chassis longitudinal driving and impact bar 6 bump against, impact bar 6 by under 9 supporting roles of movable support with chassis one
Rise and travel forward and active force is reached into impact head 4, impact head 4 is travelled forward by extruding energy absorbing tube 2, and extruding travels forward
During crush resistance by the reaction chassis of impact bar 6 so that chassis slows down.
The device adjusts chassis deceleration waveform by adjusting the number of impact bar 6 or the maximum outside diameter of impact head 4, so that full
Sufficient various regulations or test requirements document, simultaneously because energy absorbing tube 2 has good resilience, therefore present apparatus experiment has repeatability.
The use number range of impact bar 6 is 1~5, and the maximum outside diameter adjusting range of impact head 4 is 40~50mm, variable gradient
Can be 0.5mm or 1mm.
Claims (6)
1. a kind of chassis collision deceleration regulation experimental rig, it mainly includes casing bit (13), impact bar (6), removable
Dynamic bearing (9), energy absorbing tube (2) and stand (18) etc., it is characterised in that the device is mainly used in realizing in impact test
It to the buffering energy-absorbing of chassis, and can be required according to different tests, the impact head (4) of impact bar (6) front end is installed on by adjustment
Maximum outside diameter and the quantity of impact bar (6) adjust the shape of projectile deceleration history in chassis collision process, obtain different tests
It is required that chassis collision deceleration waveform.
2. chassis collision deceleration regulation experimental rig according to claim 1, it is characterised in that described sleeve pipe device
(13) upper half-covering tube (15), lower half-covering tube (14) and sleeve pipe fixing bolt (17) are included；Lower half-covering tube (14) is simultaneously
It is connected with the collar supports plate (12) on stand, rear fixed plate (22), sleeve pipe (14,15) is respectively equipped with band spiral shell up and down
The connecting plate (16) of bolt throughhole, sleeve pipe (14,15) will be connected up and down by sleeve pipe fixing bolt (17).
3. chassis collision deceleration regulation experimental rig according to claim 1, it is characterised in that the stand (18)
Including square tube (20), collar supports plate (12), ground supports fixed plate (19), rear fixed plate (22), each part passes through weldering
Connect to form entirety；Rear fixed plate (22) is connected by fixing bolt (21) with rigid walls (1), ground fixed plate (19)
Bolt hole is provided with, can be connected by bolt with ground.
4. chassis collision deceleration regulation experimental rig according to claim 1, it is characterised in that the energy absorbing tube (2)
For polyurethane (or similar performance material) pipe of class trapezoid cross section, the pipe seam (3) of one fixed width is provided with along pipe diametric(al),
During experiment, energy absorbing tube (2) is placed in casing bit (13), end is contacted with stand rear fixed plate (22), after experiment,
Turning on sleeve pipe fixing bolt (17) can be by energy absorbing tube (2) taking-up from casing bit (13) together with impact bar (6), then leads to
Crossing pipe seam (3) can separate energy absorbing tube (2) with impact bar (6).
5. chassis collision deceleration regulation experimental rig according to claim 1, it is characterised in that the impact bar (6)
Including impact head (4), connecting rod (23)；Impact head (4) forms for high strength steel is precise polished, can be added according to test requirements document
Work is into various outer diameter size, and impact head rear end face is provided with screwed hole (5) can be with connecting rod thread head (7) side of being connected simultaneously
It is conveniently replaceable, connecting rod (23) rear end welding impact bar baffle plate (8), for increasing chassis and impact bar (6) in process of the test
Contact area, chassis in process of the test can be avoided to be produced with connecting rod (6) by modes such as rubber blankets on impact bar baffle plate (8)
Raw rigid collision.
6. chassis collision deceleration regulation experimental rig according to claim 1, it is characterised in that the movable support
(9) T-shaped plate (10) and unidirectional pulley (11) are included；A plurality of the sliding of support impact bar (6) is provided with T-shaped plate (10)
Groove, the bottom plate of the unidirectional pulley (11) and T-shaped plate (10) of bottom plate lower end is connected, in process of the test, movable support
(9) it can be travelled forward with impact bar (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610235227.3A CN107305160A (en) | 2016-04-17 | 2016-04-17 | A kind of chassis collision deceleration regulation experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610235227.3A CN107305160A (en) | 2016-04-17 | 2016-04-17 | A kind of chassis collision deceleration regulation experimental rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107305160A true CN107305160A (en) | 2017-10-31 |
Family
ID=60151266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610235227.3A Pending CN107305160A (en) | 2016-04-17 | 2016-04-17 | A kind of chassis collision deceleration regulation experimental rig |
Country Status (1)
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| CN (1) | CN107305160A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957337A (en) * | 2017-11-09 | 2018-04-24 | 江苏科技大学 | One kind simulation car side impact test trolley |
| CN107991104A (en) * | 2017-11-09 | 2018-05-04 | 江苏科技大学 | One kind simulates car side impact test with seat installation pedestal and experiment trolley |
| CN107991105A (en) * | 2017-11-09 | 2018-05-04 | 江苏科技大学 | One kind simulation car side impact test hits frock and experiment trolley with column |
| CN112682468A (en) * | 2020-12-22 | 2021-04-20 | 一汽解放汽车有限公司 | Anti-collision model car for test |
| CN112903312A (en) * | 2021-02-01 | 2021-06-04 | 重庆长安汽车股份有限公司 | Braking device and method for automobile crash test |
| CN114689343A (en) * | 2022-04-14 | 2022-07-01 | 中国汽车工程研究院股份有限公司 | Deceleration system for collision test |
| CN114720151A (en) * | 2022-04-15 | 2022-07-08 | 湖南大学 | Waveform-adjustable low-speed collision test system based on energy storage device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1800808A (en) * | 2005-11-08 | 2006-07-12 | 李洪梅 | Energy absorber for vehicle crash sled test |
| CN1948074A (en) * | 2006-11-06 | 2007-04-18 | 湖南大学 | Step-by-step type energy absorption device during collision of automobiles |
| CN101603879A (en) * | 2008-06-11 | 2009-12-16 | 上海奇谋能源技术开发有限公司 | A kind of method of simulated automotive collision complex curve and device |
| CN102607793A (en) * | 2012-04-13 | 2012-07-25 | 湖南大学 | Adjustable-type trolley for impact test |
| JP2014085249A (en) * | 2012-10-24 | 2014-05-12 | Nippon Steel & Sumitomo Metal | Side collision testing method and side collision testing device for vehicle |
-
2016
- 2016-04-17 CN CN201610235227.3A patent/CN107305160A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1800808A (en) * | 2005-11-08 | 2006-07-12 | 李洪梅 | Energy absorber for vehicle crash sled test |
| CN1948074A (en) * | 2006-11-06 | 2007-04-18 | 湖南大学 | Step-by-step type energy absorption device during collision of automobiles |
| CN101603879A (en) * | 2008-06-11 | 2009-12-16 | 上海奇谋能源技术开发有限公司 | A kind of method of simulated automotive collision complex curve and device |
| CN102607793A (en) * | 2012-04-13 | 2012-07-25 | 湖南大学 | Adjustable-type trolley for impact test |
| JP2014085249A (en) * | 2012-10-24 | 2014-05-12 | Nippon Steel & Sumitomo Metal | Side collision testing method and side collision testing device for vehicle |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957337A (en) * | 2017-11-09 | 2018-04-24 | 江苏科技大学 | One kind simulation car side impact test trolley |
| CN107991104A (en) * | 2017-11-09 | 2018-05-04 | 江苏科技大学 | One kind simulates car side impact test with seat installation pedestal and experiment trolley |
| CN107991105A (en) * | 2017-11-09 | 2018-05-04 | 江苏科技大学 | One kind simulation car side impact test hits frock and experiment trolley with column |
| CN107957337B (en) * | 2017-11-09 | 2019-12-10 | 江苏科技大学 | Trolley for simulating side collision test of car |
| CN107991104B (en) * | 2017-11-09 | 2020-03-31 | 江苏科技大学 | Seat mounting base for simulating car side collision test and test trolley |
| CN112682468A (en) * | 2020-12-22 | 2021-04-20 | 一汽解放汽车有限公司 | Anti-collision model car for test |
| CN112903312A (en) * | 2021-02-01 | 2021-06-04 | 重庆长安汽车股份有限公司 | Braking device and method for automobile crash test |
| CN114689343A (en) * | 2022-04-14 | 2022-07-01 | 中国汽车工程研究院股份有限公司 | Deceleration system for collision test |
| CN114720151A (en) * | 2022-04-15 | 2022-07-08 | 湖南大学 | Waveform-adjustable low-speed collision test system based on energy storage device |
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Application publication date: 20171031 |
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