CN102645312A - Traction protection device used for vehicle collision test - Google Patents
Traction protection device used for vehicle collision test Download PDFInfo
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- CN102645312A CN102645312A CN2011104581109A CN201110458110A CN102645312A CN 102645312 A CN102645312 A CN 102645312A CN 2011104581109 A CN2011104581109 A CN 2011104581109A CN 201110458110 A CN201110458110 A CN 201110458110A CN 102645312 A CN102645312 A CN 102645312A
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- chute
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- traction
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Abstract
The invention discloses a protection device for a vehicle collision test and providing a traction protection device used for the vehicle collision test. The traction protection device has a simple structure and can be automatically separated from a traction steel rope when a test vehicle reaches a predetermined speed to ensure that the real collision process is completely simulated. With the adoption of the traction protection device, the technical problem of poor collision test data accuracy caused by the fact that the test vehicle can not simulate the real collision process in the prior art. The traction protection device comprises a bottom plate which synchronously moves with the traction steel rope, an opening suspending plate an opening of which faces the movement direction of the traction steel rope is arranged on the bottom plate, the opening is in a rotatable connection with a turning limiting block which is connected with a trigger mechanism, the trigger mechanism comprises a sliding block butting against the turning limiting block, the sliding block is connected in a sliding chute of the bottom plate in a sliding mode, the sliding chute is arranged outside the turning limiting block and extends along the movement direction of the traction steel rope, a baffle plate is in the rotatable connection on one side of the sliding chute, and the baffle plate corresponds to a trigger baffle block of a traction track.
Description
Technical field
The present invention relates to a kind of vehicle collision test and use protective device; Relate in particular in a kind of vehicle collision test; After test vehicle arrives fixing speed, guarantee test vehicle traction protection device that is used for the vehicle collision test according to the inertial impaction obstacle under free state.
Background technology
In the automobile safety collision test; Test vehicle generally is the speed that is issued to testing requirements in the pulling of the wire rope of driven by motor; Need accomplish test arrive the speed of stipulating when test vehicle after with wire rope disengagement in time and bump obstacle; Between test vehicle and wire rope, need the traction protection device is installed for this reason, make speed under free state the inertial impaction obstacle of test vehicle, guarantee the complete collision process that is virtually reality like reality of test vehicle by regulation.Therefore in process of the test, require the traction protection device not break away from, otherwise test vehicle does not reach the speed of testing requirements when the bump obstacle with test vehicle; Influence the accuracy of test figure; Very easily depart from the movement locus of setting when test vehicle breaks away from too early in addition and cause security incident, must separate with the traction protection device when requiring test vehicle to arrive simultaneously, otherwise test vehicle is to clash into obstacle under the non-free state with obstacle predetermined distance and speed; Not only all can produce very big injury to wire rope and traction protection device; And do not reach the purpose of the true collision of simulation, and influence the accuracy of test figure, can cause security incident equally when serious.
Chinese patent discloses the tractor (CN101966801A) that a kind of dragrope gets loose fast; It constitutes T-shaped tractor body by cross bar and vertical pole, and the cross bar wherein cross bar bottom of an end is established the slot that the cross section is n shape, and the central shaft of the other end of cross bar is to establishing pin shaft hole; Establish the groove ring on the middle part outer wall of bearing pin; Bearing pin is installed in the pin shaft hole and limits through stop nut, on vertical pole, establishes through tie rod hole, and pull bar is installed in the extension bar hole; One end of pull bar is fixed on the coupling nut, and the other end of pull bar inserts in the groove ring.Though this device realizes that through thread connection tractor is connected with fixed object with vehicle body and tractor fast and effectively; But need operating personnel's manipulating pulling cable that dragrope is thrown off from slot fast when using; The disengaging of test vehicle is operated fully artificially, and process of the test artificial interference factor is many, the poor accuracy of test figure; Can't the complete collision process that is virtually reality like reality of warranty test vehicle inertial impaction obstacle under free state, so this device and be not suitable for the impact test of vehicle.
Summary of the invention
The present invention has mainly provided a kind of simple in structure; Test vehicle is after arriving fixing speed under the traction of pull line; Test vehicle can break away from pull line automatically, guarantees the complete collision process that is virtually reality like reality of test vehicle, under free state, accordings to the traction protection device that is used for the vehicle collision test of inertial impaction obstacle; Having solved the test vehicle that exists in the prior art can't complete collision process that is virtually reality like reality, causes the technical matters of the poor accuracy of impact test data.
Above-mentioned technical matters of the present invention mainly is able to solve through following technical proposals: a kind of traction protection device that is used for the vehicle collision test; Comprise and be positioned at the base plate that is synchronized with the movement with pull line on the traction track; On base plate, be provided with the opening link plate of band opening, opening is towards the direction of motion of pull line, the upset limited block that is rotationally connected at opening part; The upset limited block links to each other with trigger mechanism; Said trigger mechanism comprises the slide block that is connected on the upset limited block lower surface, and slide block is slidingly connected in the chute on the base plate, and chute is located at a side of upset limited block and is carried over the direction of motion extension of pull line; Be rotatably connected in a side of chute and can drive the baffle plate that slide block slides along chute, the outboard end of baffle plate is corresponding with the triggering block on the traction track.During the automobile safety collision test; Through pull line is set on traction track, pull line is drawn by motor, and the base plate on the traction protection device of the present invention is fixed on the pull line; And be hooked on the test vehicle through the opening link plate; Test vehicle and pull line are synchronized with the movement,, open the upset limited block of the opening part of opening link plate after the triggering block on trigger mechanism and the traction track is collided automatically when test vehicle arrives the collision distance of setting and reached the impact velocity of stipulating; The peg that hangs in the opening link plate opening is deviate from opening; Peg promptly is arranged on the obstacle in the place ahead together with test vehicle with the free state inertial impaction, test vehicle has been simulated real collision process fully, and the impact test data accuracy is high; When the collision distance that the test vehicle no show is set, the shutoff all the time of upset limited block can't deviate from peg at the opening part of opening link plate in opening, and avoid test vehicle to deviate from the back and cause security incident, good reliability, safe.
As preferably, the longitudinal cross-section of said opening link plate is " U " font, is provided with open slot corresponding to the middle part of opening link plate bottom surface, and said upset limited block is rotatably connected in the open slot.Horizontal " U " font opening link plate of opening orientation movements direction; The upset limited block is rotationally connected in the middle the open slot, blocks opening when the upset limited block upwards overturns, and opens opening downwards when overturning; Make peg carry over the parallel disengaging of opening of opening link plate; Guarantee that detach procedure can produce not interfere with the opening link plate, simple and reasonable, guaranteed the accuracy of impact test data.
As more preferably, be extended with oblique spigot surface respectively downwards corresponding to the opening link plate of open slot both sides.Oblique spigot surface is guaranteed that peg breaks away from and is carried over oblique spigot surface behind the opening and outwards slide, reduces peg and skid off resistance, the real effectiveness of warranty test data.
As preferably; The longitudinal cross-section of said upset limited block is " L " shape; The vertically vertical block of the upset limited block of " L " shape is on the opening of opening link plate; The direction of motion level that laterally carries over pull line stretches out, and is provided with horizontal bearing pin in the intersection of longitudinal surface and athwartship plane, and said upset limited block is rotatably connected on the opening link plate through horizontal bearing pin.The upset limited block of " L " shape upwards is connected to the opening edge of opening link plate along last through longitudinal surface, blocked the opening of opening link plate, is connected to downside through slide block behind the athwartship plane horizontal-extending; Be the effect that athwartship plane has played confined planes, after trigger mechanism triggers, the slide block reach; Peg skids off from opening link plate opening longitudinal surface is overturn forward; Owing to lose position-limiting action after athwartship plane slide block down moves forward, the athwartship plane commentaries on classics of taking advantage of a situation down, the opening of opening link plate is opened fully; Simple in structure, be skillfully constructed.
As more preferably, the longitudinal surface edge of the upset limited block of said " L " shape is provided with arc incision, and the longitudinal surface of said upset limited block is connected on the end face edge of opening link plate through the arc incision vertical card.Arc incision is connected on the end face edge of opening link plate, plays the effect of stopper slot, and the longitudinal surface of the limited block of guaranteeing to overturn can not turned over.
Slide block can be the integral type member that xsect is " T " shape; As preferably; Said slide block comprises long slide bar and is located at the limited block and the drag link at long slide bar two ends, and said long slide bar is slidingly connected in the chute, and limited block and drag link are horizontally set with above chute; And the end face of limited block is connected on the lower surface of upset limited block, and an end of drag link is hooked on the baffle plate.The horizontal both sides that ride over chute of limited block and drag link are set at the two ends of long slide bar, simple in structure, in light weight, the resistance of taxing of minimizing slide block.
Back-moving spring can be arranged between the front end face of front end face and chute of drag link, as more preferably, is provided with " U " shape link plate at said chute middle part, and " U " shape link plate is horizontally set with the both sides at chute, between " U " shape link plate and drag link, is provided with back-moving spring.Back-moving spring is in extended state when being arranged between " U " shape link plate and drag link, the rotary resistance of compression back-moving spring baffle plate is little relatively.
As preferably; Said baffle plate comprises circular flap; Circular flap is rotatably connected on the base plate through vertical bearing pin, and horizontal-extending has boss on corresponding to the circular flap of chute one side, is connected on the slide block towards the side of pull line direction of motion on the boss; The circular flap opposite side horizontal-extending relative with boss has pin, and pin is corresponding with block.Pin drives circular flap and rotates when contacting with block, circular flap drives boss and rotates, and boss drives slide block again and discharges the upset limited block after the slippage forward, makes full use of lever principle, and structure is lightly simple.
Therefore, a kind of traction protection device that is used for the vehicle collision test of the present invention has following advantage:
1, can not throw off at the distraction procedure test vehicle, guarantee the impact velocity of test, avoid speed to influence the accuracy or the initiation security incident of test figure inadequately from pull line.
2, test vehicle breaks away from pull line after arriving assigned address automatically, make test vehicle clash into obstacle with free state according to the speed of setting, simulated fully the time of day under collision process, test figure is authentic and valid, the reliability height, security is good.
Description of drawings:
Fig. 1 is a kind of structural representation that is used for the traction protection device of vehicle collision test of the present invention;
Fig. 2 is a vertical view of the present invention.
Embodiment:
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.
Embodiment:
As shown in Figure 1; A kind of traction protection device that is used for the vehicle collision test of the present invention; Comprise the base plate 1 on the pull line that is fixed on traction track, the direction of motion at the middle part of base plate 1 along pull line has a long strip sliding groove 52, in the rear end of chute 52 through opening link plate 2 of bolt; The longitudinal cross-section of opening link plate 2 is " U " font; The opening 21 of opening link plate 2 is towards chute 52, and level is colluded and hung a peg 3 in opening 21, and the two ends of peg 3 link to each other with the test vehicle of rear side through metallic bond respectively; Middle part corresponding to opening link plate 2 bottom surfaces has an open slot 22; And opening link plate 2 bottom surfaces corresponding to open slot 22 both sides form oblique spigot surface 23 to extending below the back forward respectively, the upset limited block 4 that in open slot 22, is rotationally connected and can stops peg 3 to be deviate from from opening 21, and the longitudinal cross-section of upset limited block 4 is " L " shape; The vertical block of longitudinal surface of the upset limited block 4 of " L " shape is on the opening 21 of opening link plate 2; And rear side has an arc incision 41 in the upper edge of longitudinal surface, and longitudinal surface is connected on through arc incision 41 vertical card on the end face edge of opening link plate 2, and the athwartship plane level of the upset limited block 4 of " L " shape is extended forward; At the interspersed fixing horizontal bearing pin 6 of the intersection of longitudinal surface and athwartship plane, upset limited block 4 is rotatably connected on the two side of open slot 22 through horizontal bearing pin 6.Below the athwartship plane of upset limited block 4, be provided with trigger mechanism; Trigger mechanism comprises the slide block 51 that is connected to upset limited block 4 athwartship planes below; Slide block 51 is slidingly connected in the chute 52, and is as shown in Figure 2, and slide block 51 comprises long slide bar 511 and is weldingly fixed on the limited block 51 of long slide bar 51 rear ends and the drag link 513 of front end; Long slide bar 511 is positioned at chute 52; Limited block 512 and the drag link 513 horizontal both sides that ride over chute 52, when slide block 51 slides onto chute 52 rear ends, the parallel downside that is connected to the athwartship plane of upset limited block 4 of the end face of limited block 512; Be rotationally connected one in a side and can drive the baffle plate 53 that slide block 51 slides along chute 52 front and back corresponding to chute 52 front ends; Baffle plate 53 comprises circular flap 531, and circular flap 531 is connected on the base plate 1 through vertical bearing pin 532 coaxial rotation, and horizontal-extending forms a boss 533 on corresponding to the circular flap 531 of chute 52 1 sides; Be connected on drag link 513 rear end faces towards the side of pull line direction of motion on the boss 533; The circular flap 531 opposite side horizontal-extendings relative with boss 533 form pin 534, pin 534 with traction track on triggering block 54 corresponding, and the horizontal range before peg 3 and the test vehicle is than the little 10mm of distance of 532 of the vertical bearing pins of peg 3 and baffle plate 53; Be horizontally set with " U " shape link plate 55 at chute 52 middle parts, a back-moving spring 56 be housed at " U " shape link plate 55 and 513 of drag links.
Before impact test begins, be rotated counterclockwise baffle plate 53, baffle plate 53 drives slide block 51 along chute 52 forward; Upset limited block 4 turns clockwise; Opening 21 on the opening link plate 2 is opened, and peg 3 levels that two ends are connected with metallic bond are put into opening 21, is rotated counterclockwise upset limited block 4 again; Make the longitudinal surface of upset limited block 4 vertically block opening 21; Unclamp baffle plate 53, slide block 51 along chute 52 backward apical grafting at last the metallic bond at peg 3 two ends is locked in the headstock both sides of test vehicle at the athwartship plane downside of upset limited block 4.During on-test, starter motor, the driven by motor pull line moves forward; Be fixed on traction protection device on the pull line and be the motoring ring test vehicle forward,, avoided the generation of accident thus in opening 21 because peg 3 can not deviate from the distraction procedure; When the traction protection device arrived desired location, test vehicle had reached setting speed, and the triggering block 54 that is installed in traction track one side is promptly collided with pin 534; Butterfly 53 is rotated counterclockwise; Drive slide block 51 along chute 52 forward, the limited block 4 that overturns this moment does not have the constraint of slide block 51, and test vehicle can easily be deviate from from opening 21 together with peg 3; Test vehicle clashes into obstacle with free state, has guaranteed the real effectiveness of experimental data.
Specific embodiment described herein only is that design of the present invention is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (8)
1. one kind is used for the traction protection device that vehicle collision is tested; It is characterized in that: comprise being positioned at the base plate (1) that is synchronized with the movement with pull line on the traction track; On base plate (1), be provided with the opening link plate (2) of band opening (21); Opening (21) is towards the direction of motion of pull line; At the upset limited block (4) that opening (21) is located to be rotationally connected, upset limited block (4) links to each other with trigger mechanism, and said trigger mechanism comprises the slide block (51) that is connected on upset limited block (4) lower surface; Slide block (51) is slidingly connected in the chute (52) on the base plate (1); The direction of motion that chute (52) is located at a side of upset limited block (4) and is carried over pull line is extended, and is rotatably connected in a side of chute (52) and can drives the baffle plate (53) that slide block (51) slides along chute (52), and the outboard end of baffle plate (53) is corresponding with the triggering block (54) on the traction track.
2. the traction protection device that is used for the vehicle collision test according to claim 1; It is characterized in that: the longitudinal cross-section of said opening link plate (2) is " U " font; Middle part corresponding to opening link plate (2) bottom surface is provided with open slot (22), and said upset limited block (4) is rotatably connected in the open slot (22).
3. the traction protection device that is used for the vehicle collision test according to claim 3, it is characterized in that: the opening link plate (2) corresponding to open slot (22) both sides is extended with oblique spigot surface (23) respectively downwards.
4. according to claim 1 or the 2 or 3 described traction protection devices that are used for the vehicle collision test; It is characterized in that: the longitudinal cross-section of said upset limited block (4) is " L " shape; The vertically vertical block of the upset limited block (4) of " L " shape is on the opening (21) of opening link plate (2); The direction of motion level that laterally carries over pull line stretches out; Intersection at longitudinal surface and athwartship plane is provided with horizontal bearing pin (6), and said upset limited block (4) is rotatably connected on the opening link plate (2) through horizontal bearing pin (6).
5. the traction protection device that is used for the vehicle collision test according to claim 4; It is characterized in that: the longitudinal surface edge of the upset limited block (4) of said " L " shape is provided with arc incision (41), and the longitudinal surface of said upset limited block (4) is connected on the end face edge of opening link plate (2) through arc incision (41) vertical card.
6. according to claim 1 or the 2 or 3 described traction protection devices that are used for the vehicle collision test; It is characterized in that: said slide block (51) comprises long slide bar (511) and is located at the limited block (512) and the drag link (513) at long slide bar (511) two ends; Said long slide bar (511) is slidingly connected in the chute (52); Limited block (512) and drag link (513) are horizontally set with in chute (52) top; And the end face of limited block (512) is connected on the lower surface of upset limited block (4), and an end of drag link (513) is hooked on the baffle plate (53).
7. the traction protection device that is used for the vehicle collision test according to claim 6; It is characterized in that: be provided with " U " shape link plate (55) at said chute (52) middle part; " U " shape link plate (55) is horizontally set with in the both sides of chute (52), between " U " shape link plate (55) and drag link (513), is provided with back-moving spring (56).
8. according to claim 1 or the 2 or 3 described traction protection devices that are used for the vehicle collision test; It is characterized in that: said baffle plate (53) comprises circular flap (531); Circular flap (531) is rotatably connected on the base plate (1) through vertical bearing pin (532); Corresponding to the last horizontal-extending of the circular flap (531) of chute (52) one sides boss (533) is being arranged; Boss (533) is gone up and is connected on the slide block (51) towards the side of pull line direction of motion, and circular flap (531) the opposite side horizontal-extending relative with boss (533) has pin (534), and pin (534) is corresponding with block (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104581109A CN102645312A (en) | 2011-12-31 | 2011-12-31 | Traction protection device used for vehicle collision test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104581109A CN102645312A (en) | 2011-12-31 | 2011-12-31 | Traction protection device used for vehicle collision test |
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| CN102645312A true CN102645312A (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104581109A Pending CN102645312A (en) | 2011-12-31 | 2011-12-31 | Traction protection device used for vehicle collision test |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364166A (en) * | 2013-07-01 | 2013-10-23 | 中国汽车技术研究中心 | Real vehicle crash testing method |
| CN105258903A (en) * | 2015-11-20 | 2016-01-20 | 中国工程物理研究院总体工程研究所 | Fall-back stop mechanism for super-large dropping device |
| CN107576468A (en) * | 2017-07-28 | 2018-01-12 | 长沙理工大学 | A kind of large scale structure impact test equipment |
| CN110082130A (en) * | 2019-05-30 | 2019-08-02 | 太仓市恒博金属制品有限公司 | A kind of anticollision experimental rig |
| CN110108438A (en) * | 2019-04-12 | 2019-08-09 | 上海渤元信息科技有限公司 | A kind of car body air sleeve endurance quality test platform and test method |
| CN111070983A (en) * | 2019-12-27 | 2020-04-28 | 中国航空工业集团公司西安飞机设计研究所 | Separation conversion equipment |
| CN112697454A (en) * | 2020-12-04 | 2021-04-23 | 安徽江淮汽车集团股份有限公司 | Electric automobile bottom bump test device |
| CN114061975A (en) * | 2021-11-12 | 2022-02-18 | 浙江夕尔科技有限公司 | Device and method for testing safety of baby carrier |
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| CN202083557U (en) * | 2011-03-28 | 2011-12-21 | 长城汽车股份有限公司 | Unhooking stopper mechanism of trailer wagon |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364166A (en) * | 2013-07-01 | 2013-10-23 | 中国汽车技术研究中心 | Real vehicle crash testing method |
| CN105258903A (en) * | 2015-11-20 | 2016-01-20 | 中国工程物理研究院总体工程研究所 | Fall-back stop mechanism for super-large dropping device |
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| CN107576468A (en) * | 2017-07-28 | 2018-01-12 | 长沙理工大学 | A kind of large scale structure impact test equipment |
| CN107576468B (en) * | 2017-07-28 | 2019-05-24 | 长沙理工大学 | A kind of large scale structure impact test equipment |
| CN110108438A (en) * | 2019-04-12 | 2019-08-09 | 上海渤元信息科技有限公司 | A kind of car body air sleeve endurance quality test platform and test method |
| CN110082130A (en) * | 2019-05-30 | 2019-08-02 | 太仓市恒博金属制品有限公司 | A kind of anticollision experimental rig |
| CN111070983A (en) * | 2019-12-27 | 2020-04-28 | 中国航空工业集团公司西安飞机设计研究所 | Separation conversion equipment |
| CN112697454A (en) * | 2020-12-04 | 2021-04-23 | 安徽江淮汽车集团股份有限公司 | Electric automobile bottom bump test device |
| CN112697454B (en) * | 2020-12-04 | 2022-01-04 | 安徽江淮汽车集团股份有限公司 | Electric automobile bottom bump test device |
| CN114061975A (en) * | 2021-11-12 | 2022-02-18 | 浙江夕尔科技有限公司 | Device and method for testing safety of baby carrier |
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Application publication date: 20120822 |