CN208459023U - A kind of biasing traction device biasing head-on collision test for two vehicles - Google Patents

Abstract

The utility model discloses a kind of biasing traction device that head-on collision test is biased for two vehicles, including bracket, U type slot part, traction positioning pin；One end of the bracket connects trailer wagon, and the other end connects U type slot part；The traction positioning pin is set in U type slot part, can be put in, be taken out on the open direction of notch of postponing, immovable on perpendicular to the open direction of notch, and vehicle traction chain is worn in the traction positioning pin；Traction positioning pin is located on test vehicle center line, and the symmetrical both ends of bridge before test vehicle are fastened at the both ends of vehicle traction chain respectively；Trailer wagon is slided along traction track.The present apparatus solves the problems, such as the two vehicles biasing head-on collision on single straight line traction track.

Description

A kind of biasing traction device biasing head-on collision test for two vehicles

Technical field

The utility model relates to vehicle impact test equipment, dress is drawn in the biasing especially with regard to a kind of two vehicle offset collisions It sets.

Background technique

With the increase of car ownership, consumer requires to be increasingly stringenter to the collision safety performance of vehicle, wherein just Face collision is a kind of bigger form of traffic accident probability of happening.In order to reach the country even requirement of international standard, just must It must carry out the performance of a large amount of verification experimental verification product.

Real vehicle collision test is most basic, the most effective test method of overall merit Crash Safety Design of Vehicles energy, because It is closest with real vehicles crash conditions, so test result convincingness is most strong, meanwhile, it is also final inspection vapour The essential test of vehicle security performance.

The collision shape used in current full scale vehicle collision field overwhelming majority In Automotive Frontal Crash Regulations, standard and research and development test Formula is that test vehicle hits rigid obstacle or changeability obstacle.In recent years, the problem of frontal crash of vehicles compatibility, gradually causes The concern of industry, more and more enterprises start in car crass research and development test using the head-on collision of two vehicle fronts, the biasing pair of two vehicles For the mode hit more realistically to reproduce vehicle frontal collision process, biasing has two vehicles pair such as 25% overlapping, 40% overlapping in head-on collision Hit test.

But the collision traction track of most domestic enterprise and testing agency is single rectilinear orbit at present, can be carried out Two vehicles 100% overlapping head-on collision test (front head-on collision) can not but carry out the biasing head-on collision test of two vehicles, how in single traction track The upper biasing head-on collision for realizing two vehicles, is a necessary research topic, it can be reduced the complexity of test facilities, save at This.

Utility model content

To solve the above-mentioned problems, the utility model provides a kind of biasing traction dress that head-on collision test is biased for two vehicles It sets, which is able to solve the problem of two vehicles on single traction track are biased head-on collision test.

It is as follows that the utility model solves the technical solution that above-mentioned technical problem is taken: one kind is for the biasing head-on collision examination of two vehicles The biasing traction device tested, including bracket, U type slot part, traction positioning pin；

One end of the bracket connects trailer wagon, and the other end of the bracket connects the U type slot part；

The traction positioning pin is set in the U type slot part, can be put in, be taken out on the open direction of notch of postponing, It is immovable on perpendicular to the open direction of notch, vehicle traction chain is worn in the traction positioning pin；

The traction positioning pin is located on test vehicle center line, and the both ends of the vehicle traction chain are fastened respectively is testing The symmetrical both ends of bridge before vehicle；

The trailer wagon is slided along traction track.

Further, there are two parallel elongate holes, the elongate holes to pass through connection spiral shell for bracket one end setting Connect the trailer wagon to bolt position adjustable.

Further, the elongate holes and the U type slot part have a certain distance, the length of the elongate holes Direction is vertical with the open direction of the notch of the U type slot part.

Further, the traction positioning pin is made of symmetrical two parts, this two parts is fastened by bolts molding, when After the traction positioning pin molding, a pilot hole is formed on traction positioning pin, the vehicle traction chain is fixed on described lead Xiang Kongzhong.

Further, the U type slot part is welded on the bracket.

Compared with prior art, the beneficial effects of the utility model are embodied in:

1. the utility model proposes vehicle biasing traction device realize the deviation of test vehicle and traction track, solve The problem of biasing head-on collision of two vehicles can not be carried out on single traction track.

2. biasing the strip notch design in traction device, solve the problems, such as that biasing displacement is nonadjustable, Neng Goujin The biasing of the different offsets of row, which is clashed, to be tested.

3. bias traction device in U type slot part and traction positioning pin design, ensure that test in test vehicle with lead Leading-in device is quick, it is convenient, be reliably separated, meet the test requirements document of collision vehicle in front art skating.

Other feature and advantage of the utility model will illustrate in the following description, and partial from specification It becomes apparent, or is understood and implementing the utility model.

Detailed description of the invention

Attached drawing is only used for showing the purpose of specific embodiment, and is not considered as limitations of the present invention, entire In attached drawing, identical reference symbol indicates identical component.

Fig. 1-two vehicle biasing head-on collision test schematic diagram；

Fig. 2-biasing traction device and test vehicle and trailer wagon connection schematic diagram；

Fig. 3-biasing traction device structure disassembly diagram；

Fig. 4-biasing traction device structure combination diagram；

Fig. 5-biasing traction device traction locating pin structure figure；

Fig. 6-biasing traction device and trailer wagon connection schematic diagram.

In figure, 1- biases traction device, 2- trailer wagon, 3- traction track, 4- traction stopper, 5- vehicle traction chain 5,11- brackets, 12-U type groove mouth part, 13- draw positioning pin, 14- bolt, 15- elongate holes one, 16- elongate holes two, 17- Pilot hole, 18- connection bolt.

Specific embodiment

The utility model is described in detail with reference to the accompanying drawings and examples, wherein attached drawing constitutes the application one Part, and be used to illustrate the utility model together with the embodiments of the present invention.But it will be appreciated by those skilled in the art that Following embodiment is not the unique restriction made to technical solutions of the utility model, all in technical solutions of the utility model spirit The lower any equivalents or change done of essence, are regarded as belonging to the protection scope of the utility model.

As shown in Figure 1, 2, in two vehicles biasing head-on collision test, two vehicles travel in opposite directions, it is desirable that wherein at least a vehicle will deviate Traction track is just able to achieve biasing head-on collision.In Fig. 1, vehicle A is along traction track normally travel, and vehicle B belongs to deviation and leads Draw rail running, all in the traction downward driving of trailer wagon 2, trolley travels two vehicles in traction track 3, stops until encountering traction Only device 4, trailer wagon 2 stop, and then vehicle A and vehicle B is released and the constraint of trailer wagon, free skating under effect of inertia It is mutually collided after row a distance.Traction track traveling is deviateed for vehicle B, it is necessary to install biasing traction device 1 additional, bias Under the action of traction device 1, vehicle B center line offset track certain distance simultaneously parallel with traction track is travelled.Vehicle B passes through inclined It sets traction device 1 to be drawn by trailer wagon 2, biasing 1 one side of traction device is connect with vehicle B, on the one hand small with traction Vehicle 2 connects.

The utility model proposes a kind of biasing traction devices that head-on collision test is biased for two vehicles, as in Figure 3-5, the dress It sets including bracket 11, U type slot part 12, traction positioning pin 13.

There are two elongate holes for the setting of 11 one end of bracket, may be defined as elongate holes 1 and elongate holes 2 16, the length It can be used for connecting bolt in strip-shaped hole；11 other end of bracket connects U type slot part 12；Two elongate holes are arranged in parallel, and and U There is a certain distance, and the notch of the length direction of two elongate holes and U type slot part 12 is open between type groove mouth part 12 Direction is vertical.U type slot part 12 is solderable to be connected on bracket 11.

Traction positioning pin 13 is made of symmetrical two parts, this two parts is after molding to lead by 14 combination forming of bolt Draw and form a pilot hole 17 on positioning pin 13, Kong Zhongke wears rope, can first put rope when traction positioning pin 13 is unformed Enter, then rope can be fixed in positioning pin by tightening bolt 14.For test vehicle, vehicle may pass through in pilot hole 17 Chain 5 is drawn, vehicle traction chain 5 is passed through from pilot hole 17, and is fastened by bolt 14, and play will not occur.

Traction positioning pin 13 is placed in the notch of U type slot part 12.The intermediate position for drawing positioning pin 13 is thin, and both ends are thick, It so can be put in from the notch of U type slot part 12, can also take out, but cannot hang down from the notch of U type slot part 12 Histogram is to extraction.The position that the both ends of traction positioning pin 13 are thick is stuck in except U type slot part 12, and the length at intermediate position is equivalent to The width of U type slot part, so, in 12 width direction of U type slot part play will not occur for traction positioning pin 13, ensure that vehicle Play will not occur in U type slot part 12 for traction chain 5, thereby ensure that this biasing traction device and vehicle traction lock Chain 5 is reliably connected, that is, ensure that and is reliably connected with test vehicle.

Further, traction positioning pin 13 is connected to the vehicle traction intermediate position of chain 5, so U type slot part 12 is located at On the center line of vehicle, guarantee the linear movement of vehicle when traction.The structure design of U type slot part 12 and traction positioning pin 13, Ensure that test vehicle and traction device can it is convenient, be reliably separated.

Biasing traction device 1 realizes trailer wagon 2 and draws to the biasing of test vehicle, when test, passes through connection bolt Elongate holes 1 are fixed on trailer wagon front end by 18, elongate holes 2 16 are fixed on trailer wagon rear end, to complete The connection of traction device 1 and trailer wagon 2 is biased, as shown in Figure 6.Since elongate holes 1 and elongate holes 2 16 are designed to Thus strip, such design meet so that biasing traction device 1 adjustable link position when connecting with trailer wagon 2 Different degrees of biasing head-on collision test requirements document.It clashes and tests for two vehicles of 25% overlapping, two the utility model can be used The biasing traction device of proposition fixes two test vehicles respectively, to realize the test requirements document of 25% overlapping.

Further, bracket 11 is whole uses triangular structure, and is designed in structural arm using aperture, in the company of ensure that The weight of tractor is reduced while connecing intensity.

When test, the vehicle traction chain 5 of test vehicle is penetrated in the pilot hole 17 of traction positioning pin 13 in advance, is led to It crosses bolt 14 and guarantees that traction positioning pin 13 and vehicle draw the connection of chain 5 and firm do not loosen；Vehicle draws 5 both ends of chain difference It is fixed on the solid and reliable position at the both ends test vehicle Qian Qiao.U type slot part 12 and traction positioning pin 13 are located at vehicle traction 5 middle position of chain, that is, it is located at the position of center line of vehicle.Trailer wagon 2 is connected to biasing by connecting bolt 18 It in 1 two elongate holes of traction device, is required according to bias levels, determines installation position of the connection bolt 18 in elongate holes It sets.Installation site of the trailer wagon 2 in elongate holes is adjusted, that is, has adjusted trailer wagon 2 and test vehicle center line Distance.It biases 1 one end of traction device and connects trailer wagon 2, other end joint test vehicle realizes reliably connecting for three It connects.Trailer wagon 2 drives test vehicle to move along traction track acceleration by biasing traction device 1, leads at traction stopper 4 Draw trolley and be obstructed and stop moving, traction positioning pin 13 is deviate from from U type slot part 12 together with vehicle traction chain 5, test vehicle It collides after continuing art skating a distance.

Below with a vehicle along traction track straight-line travelling, another vehicle illustrates biasing pair for deviateing traction track straight-line travelling The realization process hit:

As shown in Figure 1, vehicle A is set as the vehicle that travels along traction track center line, if vehicle B is to deviate from traction track But the vehicle with track keeping parallelism straight-line travelling.Then at this point for vehicle A: needing to install vehicle on vehicle A and draw chain 5, vehicle traction chain 5 fasten the both ends vehicle Qian Qiao relative to the symmetrical position of vehicle center, by the middle position of chain It is fixed on trailer wagon 2, trailer wagon 2 is fixed on traction track wirerope along tracks travel.For vehicle B: need according to The above method installs vehicle traction chain 5 on vehicle B, and only vehicle traction chain 5 does not have to connection trailer wagon 2, but will Chain pierces into the traction positioning pin 13 of biasing traction device 1, and traction positioning pin 13 is located exactly at the middle position of chain, thus It completes vehicle B and biases the connection of traction device 1；The other end for biasing traction device 1 is bolted on trailer wagon 2 On, thus complete the connection of biasing traction device 1 and trailer wagon 2.

The position that biasing traction device 1 connects vehicle traction chain 5 is on the center line of vehicle, and biases traction device There is certain lateral distance between the position of 1 connection vehicle traction chain 5 and the position for connecting trailer wagon 2, so vehicle B Center line offset track center line has at a distance from equal with this, and draws the centre bit that positioning pin 13 is located at vehicle forward direction It sets, so keeping vehicle B center line parallel with track centerline.The center line of vehicle B and the offset of traction track center line It is determined by biasing traction device 1, vehicle A center line is the inclined of the biasing head-on collision test of two vehicles at a distance from vehicle B center line Set degree.

When test, two trailer wagons draw respective vehicle on same closed loop wirerope and move toward one another, on traction track Two traction stoppers 4 are oppositely arranged, when trailer wagon reaches traction 4 position of stopper, trailer wagon stops, and vehicle exists Still move ahead under effect of inertia, biasing traction device 1 traction positioning pin 13 be detached from from U type slot part 12, slide one section away from It collides from rear two vehicle.

Claims (5)

1. a kind of biasing traction device for biasing head-on collision test for two vehicles, it is characterised in that: including bracket, U type slot part, lead Draw positioning pin；

One end of the bracket connects trailer wagon, and the other end of the bracket connects the U type slot part；

The traction positioning pin is set in the U type slot part, can be put in, be taken out on the open direction of notch of postponing, hang down Directly in immovable on the open direction of notch, vehicle is worn in the traction positioning pin and draws chain；

The traction positioning pin is located on test vehicle center line, and the both ends of the vehicle traction chain are fastened respectively in test vehicle The preceding symmetrical both ends of bridge；

The trailer wagon is slided along traction track.

2. biasing traction device according to claim 1, it is characterised in that: there are two bracket one end settings in parallel Elongate holes, the elongate holes connect the trailer wagon by connection bolt position adjustable.

3. biasing traction device according to claim 2, it is characterised in that: the elongate holes and the U type slot part With a certain distance, the length direction of the elongate holes is vertical with the open direction of the notch of the U type slot part.

4. biasing traction device according to claim 1 or 2 or 3, it is characterised in that: the traction positioning pin is by symmetrical Two parts composition, this two parts are fastened by bolts molding, after traction positioning pin molding, are formed on traction positioning pin One pilot hole, the vehicle traction chain are fixed in the pilot hole.

5. biasing traction device according to claim 1 or 3, it is characterised in that: the U type slot part is welded in the branch On frame.