CN207751700U - A kind of mobile simulated target vehicle of automobile AEBS testing experiments - Google Patents

Abstract

A kind of mobile simulated target vehicle of automobile AEBS testing experiments, is provided with the buffering trolley for being oriented to and preventing to knock into the back on moving track, and buffering trolley is connected by spring contraction energy absorption device with anticollision spring protection pad；Buffering trolley right-angle side side is to be linked and packed position with spring contraction energy absorption device, and bottom is useful for mobile wheel, the impingement baffles for buffering is also equipped among bevel edge side；The spring contraction energy absorption device is square framework, and front is and buffering trolley is linked and packed, and position, square framework rear portion are connect with anticollision spring protection pad.The utility model can meet motorbus test requirements document, and meet passenger-car chassis height and width requirement, it can be ensured that the linearity of guide rail, moreover it is possible to which adjustment length as needed, detachable, adjustment are replaced, and versatility is strong.Ensure that moving guide rail will not be interfered with wheel, moreover it is possible to guarantee test vehicle pressure less than moving guide rail above, ensured the safety of testing crew, vehicle, equipment.

Description

A kind of mobile simulated target vehicle of automobile AEBS testing experiments

Technical field

The utility model is related to a kind of automobile AEBS testing experiments moving analog target carriages, are used for automotive test.

Background technology

In order to which rear-end collision occurs for preventing car, vehicle active safety energy is improved, more and more automobiles start to install Active acting urgent braking system（AEBS）, which is a road vehicle security system from main brake, and system is come according to sensor Monitoring preceding vehicle and the relative velocity between detection and target vehicle and distance, calculate imminent situation, in dangerous feelings Under condition alert driver take measures or automatic emergency brake to avoid collision or reducing collisions harm.If studies have shown that all Automobile is equipped with this system, and traffic accident rate will reduce 27%.Automobile AEBS systems will detect potential head-on crash automatically, It provides early warning simultaneously for driver and activates motor vehicle braking system, to ensure to make vehicle to avoid collision accident or mitigate it to collide thing Therefore severity.AEBS is the important device for improving vehicle driving safety.

Currently, European Union has been strictly required that M2, M3, N2, N3 class vehicle install active acting urgent braking system（AEBS）, and to system Performance requirement formulated corresponding regulation ECE R131, the corresponding car manufactures outlet the above-mentioned type automobile in China is necessary to European Union It is authenticated detection by corresponding regulation.

There are mainly two types of technical solutions for the design of mobile target carriage at present：One is remote-controlled unmanned mobile targets Vehicle, another is to draw a mobile target carriage traveling at its side rear with an automobile.

When carrying out dependence test experiment, a simulated automotive in forward is needed, that is, moves target carriage, tested Test vehicle equipped with AEBS with certain speed drive towards mobile target carriage it is close when, if can collide with front automobile（It drives The person of sailing does not do any action）, AEBS detects potential head-on crash, braked, with vehicle automatically.Because there is collision in experiment Possibility reduces experimentation cost for guarantee test vehicle, personnel safety, and front movement target carriage car body general nature is all set Be calculated as flexible structure, in this way when test vehicle collides with mobile target carriage, just will not to testing experiment vehicle, personnel with And front movement target carriage damages.

The mobile simulated target vehicle of existing automobile AEBS testing experiments has several structures, and one is static experiments, adopt It is substituted with Inflated model vehicle, one is the folding Simple smalls of AEBS producers test；Another kind is dynamically to test, one Kind is the half model car made of cable traction foam；One is the half models that the foam drawn with vehicular sideview makes Vehicle；Also a kind of auto model platform sling that can be shunk upwards drawn with vehicular sideview.It is insufficient existing for the above method mainly to have： Inflated model vehicle static state high-speed test (HST) fails, and Inflated model vehicle is knocked away, blocked pilot's line of vision, brought to driver Fear sense, will break, damages by pressure, tears if do not knocked away, an Inflated model vehicle cannot be guaranteed to complete testing experiment, to recharge Gas bothers, and can't ensure not scrape deviation pilot passageway by wind；Simple small is only suitable for producer and carries out simple analog test, plate Area is too short, too small, is insufficient for laws and regulations requirement, and do not buffer, and static high-speed test (HST) can unsuccessfully be knocked away, be broken；Bubble The half model car that foam makes, after static high-speed test (HST) failure is hit, without shrink space, foam can be damaged, deform, wheel It can be damaged.And mobile no rule, it has by the danger of pressure, causes test vehicle damage, damage and accident；Vehicular sideview The half model car that the foam of traction makes, dynamic high speed test failure fall off not in time, and draw bar can be broken, half model car It can fly up, break towing vehicle right front door and windshield, bring security risk, half model car wheel to use to towing vehicle Universal wheel fast moves no rule, it cannot be guaranteed that straight line fast moves, seriously test vehicle can be hindered to pass through, be subject to crushing, Pressure causes test vehicle damage, damage and accident；The auto model platform sling that can be shunk upwards, this mode are only applicable in compact car , SUV vehicles, test poor universality, have limitation.

Invention content

The goal of the invention of the utility model be to overcome the above-mentioned insufficient of the prior art and provide one kind can buffer, energy-absorbing, The mobile simulated target vehicle of the automobile AEBS testing experiments of anticollision.

The technical solution of the utility model includes moving track, is provided on moving track and knocks into the back for being oriented to and preventing Buffering trolley, buffering trolley connected with anticollision spring protection pad by spring contraction energy absorption device；It is described to be oriented to and prevent from knocking into the back Buffering trolley, be the framework of right angled triangle, buffering trolley right-angle side side be with spring contraction energy absorption device connecting portion, Its bottom is useful for mobile wheel, the guiding wheel for derailing, and the circle for buffering is also equipped among bevel edge side Baffle；The spring contraction energy absorption device is square framework, and square framework front is and buffers trolley and be linked and packed position, square Framework rear portion is connect with anticollision spring protection pad, buffering trolley be linked and packed position corresponds to side equipped with shrink guide rod, contraction guide rod It is inserted into buffering trolley to be linked and packed in the conduit welded on position, shrinks energy-absorbing spring pocket and shrinking outside guide rod, shrink guide rod End is welded with anti-off board.

There is a holder on moving track described in the utility model, equipped with the U-shaped structure, universal of pulling for pulling on holder Section, annulus, pulls buffer spring, small circular plate, pulls reversed buffer spring, straight pin at drawbar, and there are one buffers on holder Structure is made of, also guide rail connection bolt, use buffer spring, interior hexagonal guide blot, anticollision buffering steel pipe, impingement baffles In mobile wheel, the planker of the mobile simulated target vehicle of drive.

There are two candan universal joints for holder described in the utility model；On one of candan universal joint equipped with for pull The bolt straight pin for pulling hook connects of vehicle；Another candan universal joint is connect with drawbar, and annulus, drawbar tail are cased with outside drawbar There are one plectane, plectane housing has hollow steel pipe for end weldering；Annulus is mounted in the inserting end of hollow steel pipe, is equipped with and pulls in hollow steel pipe Reversed buffer spring, straight pin are penetrated from the end for pulling reversed buffer spring.

Buffer gear described in the utility model includes the buffer spring being sequentially placed into from the rear end of straight pin, anticollision buffering steel Pipe；Anticollision buffer upper and lower of the steel pipe close to buffer spring one end be equipped with the matched threaded hole of hexagon socket head cap screw spacer pin, Impingement baffles is welded on the other end of anticollision buffering steel pipe；Hollow steel pipe outside is upper and lower, with preventing close to buffer spring end The corresponding position of buffering steel pipe is hit, it is the buffer spring half length being finally putting into, wide to open a length to straight pin direction The degree U-type groove wider than interior hexagonal guide blot.

It is described in the utility model guiding and prevent the buffering trolley to knock into the back, on be useful for mobile wheel and spring contraction Energy absorption device connecting portion and the guiding wheel for derailing, buffering trolley bevel edge side are equipped with circular baffle plate.

Moving track maximum height described in the utility model is 10 centimetres, moving track width is 60 centimetres, full to ensure Sufficient passenger-car chassis height and width requirement.Moving track is made of steel pipe, and bushing type knot is designed in each track connection position Structure, to ensure rail linearity.Moving track is connected by screw bolts, and detachable, adjustment, replaceability are strong.When moving track wheel It beats, rotate, deflect, moving track ensures to interfere with wheel.Moving track is made because of using steel pipe again, When wheel tentatively touches track, track will produce transverse shifting, guarantee test vehicle pressure less than moving track above, it is ensured that The safety of testing crew, vehicle, equipment.

Anticollision spring protection pad described in the utility model is spring mattress bed structure of pad type, has anti-collision energy absorption bullet in anticollision spring protection pad Spring, below both sides have the wheel that tilts when preventing from hitting.

The simulated target vehicle without similar the utility model domestic at present, the utility model are skillfully constructed, and reasonable for structure, Safe, versatile, wide adaptation range can not only meet motorbus test requirements document, and meet passenger-car chassis height Degree and width requirement, it can be ensured that the linearity of guide rail, moreover it is possible to which adjustment length as needed, detachable, adjustment are replaced, general Property is strong.Ensure that moving track will not be interfered with wheel, moreover it is possible to guarantee test vehicle pressure less than moving track above, ensure The safety of testing crew, vehicle, equipment.It is that uniquely disclosure satisfy that test request, is suitable for the experiment of large, medium and small type vehicle Equipment.

The utility model disclosure satisfy that all vehicle vehicles, and AEBS tests are carried out on common level ground, measure all The vehicle of AEBS devices is installed.Advantageous effect is：1, experiment safety is ensured, it is data stabilization, accurate, reliable.2, its structure Rationally, convenient, flexible, experimentation cost is greatly saved, can with experiment speed height variation need, extend, shorten moving guide rail Length.3, it is skillfully constructed, is structure novel, rationally distributed, it is not only easy for assemble or unload and versatile, it is concise and practical Property is strong.4, the device wide adaptation range：Versatile suitable for large, medium and small type vehicle, not by automobile, large and small, type is limited. 5, it fully considers and interferes between guide rail and vehicle, can effectively ensure that accuracy of measurement；6, moving trolley is reasonable for structure, above there is buffering Energy-absorbing, barge bumpar are equipped on barge bumpar both sides when mobile simulated target vehicle is hit, and left and right unbalance stress prevents spring The wheel that protection pad tilts；7, processing, manufacturing process are easy, and manufacturing cost is low, are suitable for promoting, and be moved easily, are saved examination Test expense.

Description of the drawings

Fig. 1 is moving track structural schematic diagram.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is buffering vehicle structure schematic diagram.

Fig. 4 is the vertical view of Fig. 3.

Fig. 5 is spring contraction energy absorption device structural schematic diagram.

Fig. 6 is the vertical view of Fig. 5.

Fig. 7 is anticollision spring protecting pad structure schematic diagram.

Fig. 8 is the vertical view of Fig. 7.

Fig. 9 is the utility model structure diagram.

Figure 10 is the vertical view of Fig. 9.

Specific implementation mode

In Fig. 1, Fig. 2, on moving track there are one for pull it is U-shaped pull hook 1-1, universal joint is by two crosses Made of universal joint 1-2 welds, wherein one end is burn-on U-type groove, is respectively made a hole on U-type groove both sides, is passed through a bolt Straight pin is connected with the hook of pulling of the tractor-trailer of front.Other end drawbar 1-3 first covers an annulus 1-13, then covers a section pressure Buffer spring 1-14 is pulled, is finally burn-on a small circular plate 1-17 in the tail end of drawbar 1-3 again, is entirely extend into one and be pre-placed One section is pulled in reversed buffer spring 1-6 hollow steel pipes, annulus 1-13 is welded in the inserting end of hollow steel pipe, later again in sky Buffer spring end in heart steel pipe penetrates a straight pin 1-16, straight pin 1-16 is welded with hollow steel pipe together with. It designs in this way, mainly to adapt to the tractor-trailer of different height, while playing cushioning effect when tractor-trailer moves left and right, Two sections of buffer springs play bidirectional buffer action, it is ensured that steady when pulling.A section buffering elastic is put into behind straight pin again Spring 1-7 is put into one section of steel pipe 1-11 later, in steel pipe 1-11 above and below the ends buffer spring 1-7, respectively processes a threaded hole, For installing hexagon socket head cap screw spacer pin 1-12, then hollow steel pipe outside is upper and lower, with the steel close to the ends buffer spring 1-7 The corresponding positions pipe 1-11 open one to straight pin direction, and length is the buffer spring 1-7 half length being finally putting into, wide The degree U-type groove 1-15 wider than hexagon socket head cap screw 1-12, when installation, are first put into anticollision buffering steel pipe 1-11, to good position, then Hexagon socket head cap screw spacer pin 1-12 is installed, finally welds one piece of impingement baffles 1- in another end of anticollision buffering steel pipe 1-11 again 9, to increase contact area when hitting.Moving track is made of steel pipe, and connecting portion is processed into sleeve type structure 1-10,1-8 For connecting tube.Mainly ensure the straightness of moving track, while increasing colliding stiffness and intensity, also for test vehicle wheel When tentatively touching guide rail, circular guideway will produce sliding with wheel, and one lateral thrust of guide rail, guide rail is given to will produce lateral shifting It is dynamic, to ensure that test vehicle cannot be pressed onto above guide rail, it is ensured that testing crew, vehicle, equipment safety.In addition moving track is adopted With top-quality rubber wheel 1-4, the jerk value of moving track when being pulled to reduce, while in moving track tail portion, equipped with being used for It is to drive simulation when moving track moves forward to drive unidirectional, the turning over type planker 1-5 of mobile simulated target vehicle, effect Target carriage move forward, after later tests vehicle knocks target carriage and by when, unidirectional reprint will not increase height, can in time Tip forwards, and be detached from simulated target vehicle, it is ensured that test vehicle is not influenced to be passed through.Bolt 1-8 phases are used between moving track It connects, is primarily to facilitate dismounting, adjustment, and versatile.

It is the buffering trolley for being oriented to and preventing to knock into the back placed on moving track in Fig. 3, Fig. 4, main part is The framework of right angled triangle, is made of angle steel, is to increase anticollision intensity, rigidity and stability, above having dress, there are four be used for Mobile wheel 2-1, outside four mobile wheels design there are four for being oriented to, the positioning of derailing, directive wheel 2-3, work as examination It validates the car when knocking simulated target vehicle, is not taken off when driving with ensureing that simulated target vehicle can move along track and do straight line and fast move Rail fast moves requirement to reach.Buffering trolley on be designed with spring contraction energy absorption device connecting portion 2-2, buffering Had also been devised on trolley one for shock circular baffle plate 2-4, to increase contact area, reduction local pressure and intensity are Buffering trolley and towing mechanism are used when mutually colliding.

In Fig. 5, Fig. 6, spring contraction energy absorption device is square framework, and square framework front is and buffers trolley and be linked and packed Position 3-1, square framework rear portion are connect with anticollision spring protection pad.Buffering trolley be linked and packed position 3-1 corresponds to side equipped with receipts Contracting guide rod 3-3, shrinks guide rod 3-3 and is inserted into buffering trolley and be linked and packed in the conduit welded on the 3-1 of position, shrinks energy-absorbing spring 3- 2, which are sleeved on contraction energy-absorbing, shrinks outside guide rod 3-3, shrinks the ends guide rod 3-3 and is welded with anti-off board 3-5, prevents contraction guide rod 3-3 and lead Pipe is detached from；Mobile wheel 3-4 is useful on spring contraction energy absorption device.

In Fig. 7, Fig. 8, simulating vehicle tail portion type body is made in shown anticollision spring protection pad, above has and spring contraction energy absorption device Be linked and packed position 4-1, has anti-collision energy absorption spring 4-2 in the anticollision spring protection pad, structure is as spring-mattress structure. Both sides are also devised with when preventing from being hit by irregular, non-frontal, center below anticollision spring protection pad, prevent anticollision spring protection pad left The protection wheel 4-3 of right over-tilting.

Fig. 9, Figure 10 are the structure charts of the utility model.Buffering trolley 2 passes through spring contraction energy absorption device 3 and anticollision spring Protection pad 4 connects, and forms mobile simulated target vehicle, is placed on moving track 1.When test vehicle simulates mesh from movement is knocked below After marking vehicle, anticollision spring protection pad 4 quickly moves forward, and spring protection pad absorbs certain collision energy simultaneously, to spring contraction energy-absorbing Device 3 is pushed, and 3 Fast Compression of spring contraction energy absorption device simultaneously transmits motive force to buffering trolley 2, pushes buffering trolley 2 Straight line is done on moving track to fast move.By above-mentioned a series of actions, absorbs, decomposes collision energy, by buffering and pressing The effect of contracting spring achievees the purpose that flexible pusher simulated target vehicle fast moves, wherein prevents from protecting on anticollision spring protection pad 4 The protection wheel that tilts is padded, when irregular, non-frontal, eccentric occlusion impact simulation target carriage occurs, it is ensured that mobile simulation Target carriage will not tilt, amount of variability of recompensing in time, ensure that simulated target vehicle straight line on moving track 1 quickly moves It is dynamic.

Claims (7)

1. a kind of mobile simulated target vehicle of automobile AEBS testing experiments, it is characterised in that：Including moving track（1）, in movement Track（1）On be provided with buffering trolley for being oriented to and preventing to knock into the back（2）, buffer trolley（2）It is filled by spring contraction energy-absorbing Set (3) and anticollision spring protection pad（4）Connection；It is described to be oriented to and prevent the buffering trolley to knock into the back（2）, it is the frame of right angled triangle Body buffers trolley（2）Right-angle side side is and spring contraction energy absorption device connecting portion（2-2）, bottom is useful for mobile Wheel（2-1）, for the guiding wheel of derailing（2-3）, the circular baffle plate for buffering is also equipped among bevel edge side（2- 4）；The spring contraction energy absorption device (3) is square framework, and square framework front is and buffers trolley and be linked and packed position（3- 1）, square framework rear portion and anticollision spring protection pad（4）Connection, buffering trolley are linked and packed position（3-1）Corresponding side is equipped with receipts Contracting guide rod（3-3）, shrink guide rod（3-3）Buffering trolley is inserted into be linked and packed position（3-1）In the conduit of upper welding, energy-absorbing is shunk Spring（3-2）It is sleeved on contraction guide rod（3-3）Guide rod is shunk in outside（3-3）End is welded with anti-off board（3-5）.

2. the mobile simulated target vehicle of automobile AEBS testing experiments according to claim 1, it is characterised in that：The movement Track（1）On have a holder, equipped with U-shaped pulling structure for what is pulled on holder（1-1）, universal joint, drawbar（1-3）, annulus（1- 13）, pull buffer spring（1-14）, small circular plate（1-17）, pull reversed buffer spring（1-6）, straight pin（1-16）, on holder There are one buffer gears, are by buffer spring（1-7）, interior hexagonal guide blot（1-12）, anticollision buffer steel pipe（1-11）, hit Baffle（1-9）Composition, also guide rail connect bolt（1-8）, for mobile wheel（1-4）, drive mobile simulated target vehicle Planker（1-5）.

3. the mobile simulated target vehicle of automobile AEBS testing experiments according to claim 2, it is characterised in that：The holder There are two candan universal joints；Equipped with for the bolt cylinder for pulling hook connects with tractor-trailer on one of candan universal joint Pin；Another candan universal joint and drawbar（1-3）Connection, drawbar（1-3）It is cased with annulus outside（1-13）, drawbar（1-3）Tail end welds There are one plectanes（1-17）, plectane（1-17）Housing has hollow steel pipe；Annulus（1-13）It is hollow mounted in the inserting end of hollow steel pipe It is equipped in steel pipe and pulls reversed buffer spring（1-6）, straight pin（1-16）From pulling reversed buffer spring（1-6）End wear Enter.

4. the mobile simulated target vehicle of automobile AEBS testing experiments according to claim 2, it is characterised in that：The buffering Mechanism includes from straight pin（1-16）The buffer spring that is sequentially placed into of rear end（1-7）, anticollision buffer steel pipe（1-11）；Anticollision is slow Rush steel pipe（1-11）Close to buffer spring（1-7）The upper and lower of one end is equipped with and the matched screw thread of hexagon socket head cap screw spacer pin Hole, impingement baffles（1-9）It is welded on anticollision buffering steel pipe（1-11）The other end；Hollow steel pipe outside is upper and lower, and close Buffer spring（1-7）The anticollision at end buffers steel pipe（1-11）Corresponding position, it is finally to put to open a length to straight pin direction The buffer spring entered（1-7）Half length, width are than interior hexagonal guide blot（1-12）Wide U-type groove.

5. the mobile simulated target vehicle of automobile AEBS testing experiments according to claim 1, it is characterised in that：The guiding With the buffering trolley for preventing from knocking into the back（2）On be useful for mobile wheel（2-1）And spring contraction energy absorption device (3) connecting portion （2-2）And the guiding wheel for derailing（2-3）, buffer trolley（2）Bevel edge side is equipped with circular baffle plate（2-4）.

6. the mobile simulated target vehicle of automobile AEBS testing experiments according to claim 1, it is characterised in that：The movement Track（1）Maximum height is 10 centimetres, moving track width is 60 centimetres, and moving track is made of steel pipe, and connecting portion adds The complete tubular structure of work（1-10）.

7. the mobile simulated target vehicle of automobile AEBS testing experiments according to claim 1, it is characterised in that：The anticollision Spring protection pad（4）For spring mattress bed structure of pad type, anticollision spring protection pad（4）Inside there is anti-collision energy absorption spring（4-2）, below both sides have Prevent the wheel to tilt when hitting（4-3）.