CN107084827B - A kind of automotive trim plastic parts impact strength detection device - Google Patents
A kind of automotive trim plastic parts impact strength detection device Download PDFInfo
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- CN107084827B CN107084827B CN201710329819.6A CN201710329819A CN107084827B CN 107084827 B CN107084827 B CN 107084827B CN 201710329819 A CN201710329819 A CN 201710329819A CN 107084827 B CN107084827 B CN 107084827B
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- impact
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- plastic parts
- automotive trim
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of automotive trim plastic parts impact strength detection devices, including track, impact vehicle, propulsion vehicle, speed measuring device and impact baffle plate；Impact baffle plate is fixed on one end of the track；It impacts vehicle to place on the track, impact vehicle includes vehicle body, wheel, shock plate, buffer gear and foam block；Shock plate is fixed on vehicle body vertically, and foam block is fixed in impact plate surface, and plastic part clamping is on foam block；Propulsion vehicle includes trolley, driving motor, brake gear and signal receiving device, signal receiving device is fixed on the trolley and is connected with brake gear and driving motor, speed measuring device setting is between impact vehicle and impact baffle plate, a signaling device is additionally provided in speed measuring device, speed measuring device is fixed on the outside of track.Automotive trim plastic parts impact strength detection device of the present invention has multi-orientation detection plastic part dynamic impulsion situation, thus the characteristics of analyzing plastics part reasonable structure and safety.
Description
Technical field
The present invention relates to a kind of intensity detecting devices, and in particular to a kind of automotive trim plastic parts impact strength detection dress
It sets.
Background technique
One automotive interior has the component being much made of plastics, including inside car door, instrument board, console etc.,
These plastic parts are often broken when automobile encounters impact, or deformation.
It is known that one of them are exactly bus body strength test, automobile to much being tested before a automobile listing
It can be collided on specific testing stand with certain speed, the safety by biosensor analysis impact strength and vehicle is
The impact test of number, vehicle mainly tests integral strength, but for the plastic part in automobile, it cannot be with similarly
Method is detected, and one side testing cost is excessively high, and another aspect plastic part is excessive, while being broken bad point mixed in together
Analysis.
Plastic part intensity detection Main Analysis in actually getting on the car is a certain plastic part by varying strength and direction
Shock loading when, it is easily deformable or fracture position and these positions whether be possible to driver or by bus cause
Injury.
Intensity detection now for plastic part is mainly that a kind of load of static state increases detection mode, this detection mode
Down can not damage caused by moment impact load in simulated automotive collision process, the safety point for automotive trim plastic parts
It analyses useless.
For at present, there are no the peculiar equipment that impact strength detection is carried out for automotive trim plastic parts.
Summary of the invention
The object of the present invention is to provide a kind of automotive trim plastic parts impact strength detection devices, solve the above technology
Problem；
Technical problem solved by the invention can be realized using following technical scheme: a kind of automotive trim plastic parts punching
Hit intensity detection device, including track, impact vehicle, propulsion vehicle, speed measuring device and impact baffle plate；The track is two mutually flat
Capable rail, the track are horizontally fixed on ground, and the impact baffle plate is fixed on one end of the track；
The impact vehicle is placed on the track, the impact vehicle include vehicle body, wheel, shock plate, buffer gear and
Foam block；The wheel is fixed on the bottom of the vehicle body and is in contact with the track, and the buffer gear is fixed on described
Interior of body, the shock plate are fixed on vertically on the vehicle body, and the shock plate is connected with the buffer gear, the bubble
Foam block is fixed on the shock plate surface opposite with the impact baffle plate, and automotive trim plastic parts clamping to be detected is steeping
On foam block；
The propulsion vehicle includes trolley, driving motor, brake gear and signal receiving device, and the driving motor is fixed on
The small car, the brake gear are fixed at the car wheel, and the signal receiving device is fixed on the trolley
And be connected with the brake gear and the driving motor, the propulsion vehicle is placed on the rear of the impact vehicle；
The speed measuring device is arranged between the impact vehicle and the impact baffle plate, is additionally provided with one in the speed measuring device
A signaling device, the speed measuring device are fixed on the outside of the track.
Further, the impact baffle plate includes fixed column and block, and the fixed column shares two, the fixed column one
End fixes on the ground, and the block is fixed on the other end of the fixed column.
Further, it being additionally provided with a breaking bar on the impact vehicle, described breaking bar one end is fixed on the vehicle body,
The other end is fixed on the upper end of the shock plate.
Further, the buffer unit is a kind of spring bumper, including sliding slot and buffer spring, and the sliding slot is total
There are two, is arranged on two sides parallel with the guide rail of the vehicle body, the buffer spring is fixed on the cunning
In slot, the shock plate and the buffer unit coupling part set that there are two connecting pin, the connecting pin shape and the sliding slots
Vertical sectional shape is identical.
Further, the sliding slot is a kind of inverted "T"-shaped sliding slot, correspondingly, the connecting pin is similarly inverted
"T"-shaped connecting pin.
Further, the propulsion vehicle and the impact vehicle contact with each other set in plane there are two pushing hands.
Further, the pushing hands is made of soft material.
Further, the speed measuring device back side is equipped with one piece of display screen, and the display screen shows that speed measuring device detects
The speed that object passes through.
The utility model has the advantages that due to using the technology described above, a kind of automotive trim plastic parts impact strength of the present invention
Detection device can carry out the shock-testing of varying strength, different angle to individual plastic part in automobile, to analyze the plastics
The impact strength of part and fragile position, judge the reasonability and safety of the design of its structure.
Breaking bar in a kind of automotive trim plastic parts impact strength detection device of the present invention can protect impact
Vehicle is in the not damaged in a flash of impact, and buffer unit later is started to work, constant absorption impact force, protection impact vehicle.
A kind of automotive trim plastic parts impact strength detection device of the present invention will be impacted vehicle and be separated with reasoning vehicle
Come, be conducive to protect driving motor in this way, even if having buffer unit and breaking bar on impact vehicle, but driving motor is come
Saying still has very big impact force, can reduce the driving motor service life, and after being provided separately, propulsion vehicle separates dynamic with impact vehicle
Make, can preferably protect the precision apparatus such as driving motor.
A kind of automotive trim plastic parts impact strength detection device of the present invention does not need manual operation, people when experiment
Member may be located remotely from test site, test safer.
A kind of automotive trim plastic parts impact strength detection device of the present invention is using foam block as plastic part
Fixture, foam block itself has certain buffer function, and is conveniently replaceable.
Detailed description of the invention
Fig. 1 is a kind of main view of automotive trim plastic parts impact strength detection device of the present invention.
Fig. 2 is a kind of top view of automotive trim plastic parts impact strength detection device of the present invention.
Fig. 3 is a kind of left view of the impact vehicle of automotive trim plastic parts impact strength detection device of the present invention,
Wherein buffer unit and shock plate coupling part broken section.
Fig. 4 is a kind of showing for spring bumper of automotive trim plastic parts impact strength detection device of the present invention
It is intended to.
Appended drawing reference: 1, guide rail；2, impact baffle plate；3, speed measuring device；4, vehicle is impacted；5, propulsion vehicle；6, shock plate；7, it steeps
Foam block；8, breaking bar；9, vehicle body；10, sliding slot；11, pushing hands；12, buffer spring；13, connecting pin.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
According to Fig. 1-4, a kind of preferred embodiment, a kind of automotive trim plastic parts impact strength detection dress are shown
It sets, including track 1, impact vehicle 4, propulsion vehicle 5, speed measuring device 3 and impact baffle plate 2；
The track 1 is two rails being parallel to each other, and the track 1 is horizontally fixed on ground, the impact baffle plate 2
It is fixed on one end of the track 1；
The impact vehicle 4 is placed on the track 1, and the impact vehicle 4 includes vehicle body 9, wheel, shock plate 6, buffer
Structure and foam block 7；The wheel is fixed on the bottom of the vehicle body 9 and is in contact with the track 1, and the buffer gear is fixed
Inside the vehicle body 9, the shock plate 6 is fixed on vertically on the vehicle body 9, the shock plate 6 and the buffer gear phase
Connection, the foam block 7 are fixed on the shock plate 6 surface opposite with the impact baffle plate 2, automobile interior decoration to be detected
Plastic part clamping is on foam block 7；
The propulsion vehicle 5 includes trolley, driving motor, brake gear and signal receiving device, and the driving motor is fixed
In the small car, the brake gear is fixed at the car wheel, and the signal receiving device is fixed on the trolley
Above and with the brake gear and the driving motor it is connected, the propulsion vehicle 5 is placed on the rear of the impact vehicle 4；
The speed measuring device 3 is arranged between the impact vehicle 4 and the impact baffle plate 2, also sets in the speed measuring device 3
There is a signaling device, the speed measuring device 3 is fixed on the outside of the track 1.
As preferred embodiment, the impact baffle plate 2 includes fixed column and block, and the fixed column shares two, described
Fixed column one end fixes on the ground, and the block is fixed on the other end of the fixed column.Impact baffle plate 2 is for simulating
The moment of plastic part and harder object impact, so impact baffle plate 2 needs to carry very big shock loading, so impact baffle plate 2
It arranges very securely.
As preferred embodiment, a breaking bar 8 is additionally provided on the impact vehicle 4, described 8 one end of breaking bar is fixed on institute
It states on vehicle body 9, the other end is fixed on the upper end of the shock plate 6.Breaking bar 8 is also to impact instant impact as a kind of mitigation
Structure, the moment breaking bar 8 of impact can be broken first, because shock loading moment is very big, buffer unit is also not
Buffer function is obtained and realizes, so needing to protect impact vehicle 4 by breaking bar 8 in initial crash moment.
As preferred embodiment, the buffer unit is a kind of spring bumper, including sliding slot 10 and buffer spring 12,
The sliding slot 10 shares two, is arranged on two sides parallel with the guide rail 1 of the vehicle body 9, the buffering elastic
Spring 12 is fixed in the sliding slot 10, and the shock plate 6 sets that there are two connecting pins 13 with the buffer unit coupling part, described
13 shape of connecting pin is identical as 10 vertical sectional shape of sliding slot.
Further, the sliding slot 10 is a kind of inverted "T"-shaped sliding slot 10, correspondingly, the connecting pin 13 is similarly
Inverted "T"-shaped connecting pin 13.
A kind of most commonly seen buffer unit described herein, spring bumper, buffer unit mainly absorb impact
Power allows impact vehicle 4 to stop, so that impact vehicle 4 be protected not to be damaged, shock plate 6 can be with along the chute 10 in spring bumper
Buffer function is realized in sliding.
As preferred embodiment, the propulsion vehicle 5 and the impact vehicle 4 contact with each other set in plane there are two pushing hands 11.
Further, the pushing hands 11 is made of soft material.
Pushing hands 11 can allow the impact contact between propulsion vehicle 5 of vehicle 4 more stable, and impact vehicle 4 after an impact such as
Fruit generates rebound and will not directly impinge upon on propulsion vehicle 5, but first contacts with pushing hands 11.
As preferred embodiment, 3 back side of speed measuring device is equipped with one piece of display screen, and the display screen shows speed measuring device
3 detect the speed that object passes through.Display screen can more intuitive display speed, convenient for record.
A kind of automotive trim plastic parts impact strength detection device according to the present invention, the course of work are as follows: first
It will first need plastic part clamping to be detected on foam block 7, and only need to be inserted on foam block 7 here, not make here
With traditional mechanical clamp, because traditional mechanical clamp does not adapt to various plastic parts, and mechanical clamp is being rushed
It is inherently damaged during hitting, thus it is suitably more as fixture using foam block 7, it arranges and pushes away after plastic part clamping
The position of power vehicle 5 and impact vehicle 4 starts driving motor, and propulsion vehicle 5 just will push impact vehicle 4 and accelerate to advance, when impact vehicle 4 is logical
When crossing speed measuring device 3, speed measuring device 3 can show impact vehicle 4 by speed, be simultaneously emitted by brake signal, brake signal is pushed away
Power vehicle 5 carries out two movements of driving motor shutdown and brake after receiving, this when, propulsion vehicle 5 will be separated with impact vehicle 4, punching
It hits vehicle 4 to continue to detect speed and move ahead, until colliding with impact baffle plate 2, in collision process, breaking bar 8 can occur first
Fracture, then buffer unit starts buffer function, and plastic part bears main shock loading, modeling can be removed after collision
Materials and parts are further analyzed.
In conclusion a kind of automotive trim plastic parts impact strength detection device of the present invention can be to single in automobile
A plastic part carries out the shock-testing of varying strength, different angle, to analyze impact strength and the fragility position of the plastic part
It sets, judges the reasonability and safety of the design of its structure.
Breaking bar 8 in a kind of automotive trim plastic parts impact strength detection device of the present invention can protect impact
Vehicle 4 is in the not damaged in a flash of impact, and buffer unit later is started to work, constant absorption impact force, protection impact vehicle 4.
A kind of automotive trim plastic parts impact strength detection device of the present invention will be impacted vehicle 4 and be separated with propulsion vehicle 5
It comes, is conducive to protect driving motor in this way, even if having buffer unit and breaking bar 8 on impact vehicle 4, but for driving electricity
Still there is very big impact force for machine, the driving motor service life can be reduced, after being provided separately, propulsion vehicle 5 and impact vehicle 4 have point
From movement, the precision apparatus such as driving motor can be preferably protected.
A kind of automotive trim plastic parts impact strength detection device of the present invention does not need manual operation, people when experiment
Member may be located remotely from test site, test safer.
A kind of automotive trim plastic parts impact strength detection device of the present invention is using foam block 7 as plastic part
Fixture, foam block 7 itself has certain buffer function, and is conveniently replaceable.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content
Equivalent replacement and obviously change obtained scheme, should all be included within the scope of the present invention.
Claims (7)
1. a kind of automotive trim plastic parts impact strength detection device, it is characterised in that: including track, impact vehicle, propulsion vehicle, survey
Speed variator and impact baffle plate；
The track is two rails being parallel to each other, and the track is horizontally fixed on ground, and the impact baffle plate is fixed on
One end of the track；
The impact vehicle is placed on the track, and the impact vehicle includes vehicle body, wheel, shock plate, buffer gear and foam
Block；The wheel is fixed on the bottom of the vehicle body and is in contact with the track, and the buffer gear is fixed on the vehicle body
Inside, the shock plate are fixed on vertically on the vehicle body, and the shock plate is connected with the buffer gear, the foam block
It is fixed on the shock plate surface opposite with the impact baffle plate, automotive trim plastic parts clamping to be detected is in the bubble
On foam block, a breaking bar is additionally provided on the impact vehicle, described breaking bar one end is fixed on the vehicle body, and the other end is fixed
In the upper end of the shock plate；
The propulsion vehicle includes trolley, driving motor, brake gear and signal receiving device, and the driving motor is fixed on described
Small car, the brake gear are fixed at the car wheel, the signal receiving device be fixed on the trolley and with
The brake gear is connected with the driving motor, and the propulsion vehicle is placed on the rear of the impact vehicle；
The speed measuring device is arranged between the impact vehicle and the impact baffle plate, and a letter is additionally provided in the speed measuring device
Number issue device, the speed measuring device are fixed on the outside of the track.
2. a kind of automotive trim plastic parts impact strength detection device according to claim 1, it is characterised in that: the punching
Hitting baffle includes fixed column and block, and the fixed column shares two, and described fixed column one end fixes on the ground, the block
It is fixed on the other end of the fixed column.
3. a kind of automotive trim plastic parts impact strength detection device according to claim 1, it is characterised in that: described slow
Punch mechanism is a kind of spring bumper, including sliding slot and buffer spring, the sliding slot share two, are arranged in the vehicle
On two sides parallel with the rail of body, the buffer spring is fixed in the sliding slot, and the shock plate delays with described
Flushing device coupling part is set there are two connecting pin, and the connecting pin shape is identical as the sliding slot vertical sectional shape.
4. a kind of automotive trim plastic parts impact strength detection device according to claim 3, it is characterised in that: the cunning
Slot is a kind of inverted "T"-shaped sliding slot, correspondingly, the connecting pin is similarly inverted "T"-shaped connecting pin.
5. a kind of automotive trim plastic parts impact strength detection device according to claim 1, it is characterised in that: described to push away
Power vehicle and the impact vehicle contact with each other set in plane there are two pushing hands.
6. a kind of automotive trim plastic parts impact strength detection device according to claim 5, it is characterised in that: described to push away
Hand getting is made of soft material.
7. a kind of automotive trim plastic parts impact strength detection device according to claim 1, it is characterised in that: the survey
The speed variator back side is equipped with one piece of display screen, and the display screen shows that speed measuring device detects the speed that object passes through.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710329819.6A CN107084827B (en) | 2017-05-11 | 2017-05-11 | A kind of automotive trim plastic parts impact strength detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710329819.6A CN107084827B (en) | 2017-05-11 | 2017-05-11 | A kind of automotive trim plastic parts impact strength detection device |
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| CN107084827A CN107084827A (en) | 2017-08-22 |
| CN107084827B true CN107084827B (en) | 2019-06-28 |
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| CN107702877A (en) * | 2017-09-25 | 2018-02-16 | 王宗 | A kind of outdoor anti-collision type ground fire hydrant crashworthiness experimental rig |
| CN110308001B (en) * | 2019-07-22 | 2021-05-04 | 株洲时代电子技术有限公司 | Intelligent driving method for line crash test driving vehicle |
| CN110285987B (en) * | 2019-07-22 | 2021-04-30 | 株洲时代电子技术有限公司 | Rail vehicle line collision test method |
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| CN101718630B (en) * | 2009-11-13 | 2013-01-23 | 上海汽车集团股份有限公司 | Vehicle door trim impacter and method for determining rigidity value of vehicle door trim |
| DE102010014521A1 (en) * | 2010-04-10 | 2010-10-28 | Daimler Ag | Test stand for simulating side collision of vehicle for side part i.e. door, has supporting elements simulating components arranged in interior of vehicle, where force of supporting element counteracting side collision is adjustable |
| JP5429152B2 (en) * | 2010-12-24 | 2014-02-26 | イオ インダストリー株式会社 | Door handle testing equipment |
| EP3078955B8 (en) * | 2013-12-05 | 2019-07-31 | Nippon Steel Corporation | Test body support tool, and crash test device and crash test method for structural member that use said support tool |
| CN205262761U (en) * | 2015-11-24 | 2016-05-25 | 北京汽车股份有限公司 | Car gasbag subassembly testing arrangement |
| CN106198066B (en) * | 2016-09-28 | 2019-02-26 | 中车株洲电力机车有限公司 | A kind of track train collision test method and system |
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