CN209485698U - Dummy's positioning device for vehicle impact testing - Google Patents
Dummy's positioning device for vehicle impact testing Download PDFInfo
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- CN209485698U CN209485698U CN201920388836.1U CN201920388836U CN209485698U CN 209485698 U CN209485698 U CN 209485698U CN 201920388836 U CN201920388836 U CN 201920388836U CN 209485698 U CN209485698 U CN 209485698U
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Abstract
The utility model provides a kind of dummy's positioning device for vehicle impact testing, it includes fixed bracket, control device, cross slide way, two longitudinal rails being parallel to each other and two laser ranging systems, cross slide way is fixedly installed on fixed bracket, two longitudinal rails are vertically slidably connected on cross slide way, and slidable laser ranging system is respectively arranged on each longitudinal rail；It is separately installed with the first displacement measuring device on cross slide way, second displacement measuring device is separately installed on each longitudinal rail, laser ranging system, the first displacement measuring device and second displacement measuring device are electrically connected with control device respectively.Dummy's positioning device can simultaneously intuitively read crash test dummy with two positions in the coordinate in vehicle coordinate system and the relative coordinate between two positions, to improve the false human efficiency of positioning, and guarantee the accuracy of measurement result, and the structure of whole device is simple, it is easy to operate.
Description
Technical field
The utility model relates to automobile product the field of test technology more particularly to a kind of dummies for vehicle impact testing
Positioning device.
Background technique
Vehicle impact testing is to evaluate the security performance of automobile by the data of dummy during acquisition test, and collide
Its position of testing dummy whether accurately directly affect test during collected dummy's sensing data accuracy, so
Dummy's positioning is a very crucial step in impact test.To the head of simulation real human body dummy in automobile R&D process
The site locations such as portion, arm, hand, upper trunk, H point, Pelvic angle and foot have strict requirements, and the position between each position
It sets relationship and there is certain association, therefore the positioning of testing dummy is a not only important but also complicated job.Currently, domestic major inspection
Surveying mechanism and main engine plants, position method used by dummy in impact test similar, mainly includes the measurement of joint arm measuring instrument
Method, tape measure and laser in combination mensuration and the method for other devices measurement.Wherein, the precision of joint arm measuring instrument is high, still
It is expensive, and spot measurement and display can only be carried out；The Method And Principle that tape measure and laser in combination measure is simple, but also only
It can be carried out spot measurement, and precision and efficiency not can guarantee.And during vehicle impact testing carries out dummy's positioning, often
Need to combine the positioning at two positions, therefore aforementioned device has certain deficiency.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to provide a kind of dummies for vehicle impact testing
Positioning device, dummy's positioning device can intuitively read any two position with crash test dummy simultaneously and sit in vehicle
The relative coordinate between coordinate and two positions in mark system, to improve the false human efficiency of positioning, and guarantees measurement result
Accuracy, and the structure of whole device is simple, easy to operate.
Based on this, the utility model proposes a kind of dummy's positioning devices for vehicle impact testing comprising fixed
Bracket, control device, cross slide way, two longitudinal rails being parallel to each other and two laser ranging systems；
The cross slide way is fixedly installed in respectively on the fixed bracket；
Two longitudinal rails being parallel to each other, which are respectively perpendicular, to be slidably connected on the cross slide way；
The slidable laser ranging system is respectively arranged on two longitudinal rails being parallel to each other；
It is separately installed on the cross slide way for detecting two longitudinal rails being parallel to each other in the transverse direction
First displacement measuring device of the slide displacement on guide rail is separately installed on two longitudinal rails being parallel to each other and is used for
Detect the second displacement measuring device of slide displacement of the laser ranging system on the longitudinal rail；
The laser ranging system, first displacement measuring device and the second displacement measuring device respectively with it is described
Control device electrical connection is wirelessly connected.
Optionally, on the cross slide way setting there are two slidable first sliding block, described two be parallel to each other it is vertical
Direction guiding rail passes through first sliding block respectively and is slidably connected with the cross slide way；
It is respectively arranged with slidable second sliding block on each longitudinal rail, the laser ranging system passes through described the
Two sliding blocks are slidably connected with the longitudinal rail.
Optionally, dummy's positioning device for vehicle impact testing further includes two and is parallel to each other with described two
The corresponding positioning balancing device of longitudinal rail, the positioning balancing device includes connecting rope and balancer, and the balancer is solid
Dingan County is loaded on the upper end of the longitudinal rail, and the connecting rope is connected between the balancer and second sliding block, and institute
The second sliding block is stated to be equipped with for the first lockable mechanism to second sliding block progress locking.
Optionally, first displacement measuring device includes that the first ruler item and two are respectively and fixedly installed to described first and slide
The first displacement sensor on block is laid with the first ruler item on the cross slide way along its length；
The second displacement measuring device includes the second ruler item and the second displacement that is fixedly mounted on second sliding block
Sensor is laid with the second ruler item on the longitudinal rail along its length；
First displacement sensor and the second displacement sensor are electrically connected with the control device or wirelessly respectively
Connection.
Optionally, the first ruler item and the second ruler item are magnetic stripe, first displacement sensor and described
Two displacement sensors are magnetic induction sensor.
Optionally, the laser ranging system includes the laser emitter and laser range finder being arranged in juxtaposition, the laser
Transmitter and the laser range finder are fixedly mounted on the same side of second sliding block, and the laser emitter and institute
Laser range finder is stated to be electrically connected with the control device or be wirelessly connected respectively.
Optionally, first sliding block includes the first support plate and the first sliding part, the one side of first support plate
It being fixedly connected with the longitudinal rail, first sliding part is fixedly connected on the another side of first support plate, and
First sliding part is slidably connected with the cross slide way；
Second sliding block includes the second support plate and the second sliding part, the laser emitter and the laser range finder
It is respectively and fixedly installed on the one side of second support plate, second sliding part is fixedly connected on second support plate
Another side on, and second sliding part is slidably connected with the longitudinal rail.
Optionally, setting is set on the cross slide way along its length there are two first boss on first sliding part
Being equipped with two, corresponding first sliding groove, the first boss are set to the first sliding groove one by one with each first boss
It is interior；
Setting is provided with two on the longitudinal rail there are two second boss along its length on second sliding part
Corresponding second sliding slot, the second boss are set in the second sliding slot one by one with each second boss.
Optionally, the control device includes electronic-control box, PLC and touch display screen, and the PLC is set to described automatically controlled
The side of the electronic-control box is arranged in box house, the touch display screen, and the electronic-control box is fixedly mounted on described solid
On fixed rack, the touch display screen is electrically connected with the PLC, the laser ranging system, first displacement measuring device
It is electrically connected respectively with the PLC with the second displacement measuring device.
Optionally, the fixed bracket includes rack body, four universal rolling wheels and two for adjusting the bracket sheet
The regulating part of the terrain clearance of body, four universal rolling wheels are installed on the position at four angles of the bottom of the rack body
Place, the regulating part is installed at the both ends of the bottom of the rack body respectively, and the second locking is provided on the universal rolling wheel
Mechanism.
Implement the utility model embodiment, has the following beneficial effects:
Dummy's positioning device for vehicle impact testing of the utility model is during vehicle impact testing, Neng Goutong
The laser range finder crossed on two longitudinal rails detect and impact test in relative distance between automobile longitudinal plane, and adjust
The distance measurement value of whole two laser range finders is consistent, thus complete to quantify to adjust dummy's positioning device and automobile longitudinal plane
In parallel, guarantee the accuracy of measurement data, improve the accuracy of dummy's positioning.The first displacement measurement on cross slide way is set
Device can detect the moving displacement of two longitudinal rails on cross slide way respectively, be arranged in second on longitudinal rail
Displacement measuring device can detect the moving displacement of the laser ranging system on longitudinal rail respectively, then the first displacement is surveyed
Moving displacement detected by amount device and second displacement measuring device is converted into the coordinate in reference frame to indicate dummy
The coordinate of each point with it, it is convenient that dummy is accurately positioned.It include two sets of measuring units in dummy's positioning device, respectively
It is the laser ranging system on two longitudinal rails, each measuring unit can either independently set different beginning point of reference and exist
Coordinate in vehicle coordinate system, then reads coordinate of ground point respectively；It again can be by setting identical beginning point of reference coordinate
Come while measuring different positions, two data is associated, to can not only read the coordinate of any two position but also can read
Take the relative coordinate between any two position.The structure of entire dummy's positioning device for vehicle impact testing is very simple
Single, simple to operation, measured value is accurate, and can greatly improve the efficiency that dummy positions in impact test.It is fixed based on the dummy
The localization method of position device can intuitively be read by shirtsleeve operation and position coordinate parameters required for dummy in test, and
The relative coordinate with dummy between the fixed position coordinate or two fixed position coordinates at two positions can be measured simultaneously,
Principle is reliable, and it is convenient to operate, and convenient for greatly improving the efficiency of test, and the scope of application is relatively broad, can be generalized to other
Need the field for measuring or positioning.
Detailed description of the invention
Fig. 1 is the overall structure described in the embodiments of the present invention for dummy's positioning device of vehicle impact testing
Schematic diagram；
Fig. 2 is the structural schematic diagram of the first displacement measuring device described in the embodiments of the present invention；
Fig. 3 is the structural schematic diagram of laser ranging system described in the embodiments of the present invention；
Fig. 4 is the structural schematic diagram of universal rolling wheel described in the embodiments of the present invention and regulating part；
Fig. 5 is the structural schematic diagram that balancing device is positioned described in the embodiments of the present invention；
Fig. 6 is that dummy's positioning device of vehicle impact testing is used for described in the embodiments of the present invention in working condition
Under position view；
Fig. 7 is dummy's positioning device workflow that vehicle impact testing is used for described in the embodiments of the present invention
Figure.
Description of symbols:
1, transmitting station, 2, vehicle body, 3, fixed bracket, 31, rack body, 32, universal rolling wheel, 33, regulating part, 4, electric cabinet
Body, 41, touch display screen, 5, longitudinal rail, 51, second sliding slot, 6, cross slide way, 61, first sliding groove, 7, laser ranging dress
It sets, 71, laser emitter, 72, laser range finder, the 8, first sliding block, the 81, first support plate, the 82, first sliding part, 821,
One boss, the 9, second sliding block, the 91, second support plate, the 92, second sliding part, 921, second boss, the 10, first displacement measurement dress
It sets, the 101, first ruler item, the 102, first displacement sensor, 11, second displacement measuring device, the 111, second ruler item, 112, second
Displacement sensor, 12, positioning balancing device, 121, connecting rope, 122, balancer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that the orientation of the instructions such as term " on ", "lower", "left", "right"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.
Referring to Fig. 1 to Fig. 6, the dummy described in the preferred embodiment of the utility model for vehicle impact testing positions dress
It sets including fixed bracket 3, control device, 6, two longitudinal rails being parallel to each other 5 of cross slide way and two for detecting institute
State the laser ranging system 7 of the relative distance between longitudinal rail 5 and automobile longitudinal plane；The cross slide way 6 is fixedly mounted
In on the fixed bracket 3；Two longitudinal rails point 5 are not slidably connected to vertically on the cross slide way 6；Each institute
It states and is respectively arranged with the slidable laser ranging system 7 on longitudinal rail 5；Use is separately installed on the cross slide way 6
It is each described vertical in the first displacement measuring device 10 for detecting slide displacement of each longitudinal rail 5 on the cross slide way 6
Second for detecting slide displacement of the laser ranging system 7 on the longitudinal rail 5 is separately installed on direction guiding rail 5
Displacement measuring device 11；The laser ranging system 7, first displacement measuring device 10 and the second displacement measuring device
11 are electrically connected with the control device or are wirelessly connected respectively.
Based on the above structure, it is provided with two cross slide ways being parallel to each other 6 in this preferred embodiment, can be indulged with two
Direction guiding rail 5 forms frame-type structure, guarantees the accuracy of entire dummy's positioning device in the detection process.Each longitudinal rail 5 is vertical
It is connected between two cross slide ways 6, and guarantees that the connection of longitudinal rail 5 and two cross slide ways 6 is slidable, thus
The effective reliable mobile for realizing longitudinal rail 5.The vacation before vehicle impact testing starts is being carried out using dummy's positioning device
When people's positioning operation, the body of a motor car 2 in test is mounted on transmitting station 1, and transmitting station 1 can provide impact for the collision of automobile
Dummy's positioning is fixed in body of a motor car 2 further according to requirement of experiment, dummy's positioning device is then placed on Automobile sound by power
Side, while also in the side of transmitting station 1, two longitudinal rails 5 are separately adjusted to angularly the end positions of fixed bracket 3
Place.The laser ranging system 7 being first slidably disposed on longitudinal rail 5, enables laser ranging system 7 to aim at hair positioned opposite
The side of platform 1 is penetrated, then is located at the laser ranging system 7 of longitudinal rail 5 by control device control starting, by laser ranging system
Relative distance between 7 pairs of dummy's positioning devices and the side of transmitting station 1 detects and feeds back to control device, according to two
The relative distance data that platform laser ranging system 7 is fed back are adjusted the position of dummy's positioning device, until two laser
The ranging numerical value that range unit 7 is fed back is completely the same, and the position of dummy's positioning device is fixed at this time, it is ensured that the dummy
Positioning device is parallel with the side of transmitting station 1, since the side of the fore-and-aft plane and transmitting station 1 of body of a motor car 2 is substantially parallel, therefore
And dummy's positioning device is also parallel with the fore-and-aft plane of body of a motor car 2, while adjusting cross slide way 6 in device
Horizontality, the accuracy for the coordinate of specified location with detection dummy provide reliable basis.Start assist dummy into
When row positioning, the designated position that laser ranging system 7 emits on glossing up alignment body of a motor car 2 is (specified on the body of a motor car 2
The restriction of point and its coordinate is to confirm in advance before on-test), the specified point position is inputted into controller in vehicle
Coordinate in coordinate system, with as a reference point.By the movement of one of longitudinal rail 5 and laser ranging system 7, so that
The hot spot of laser ranging system 7 can aim at the dummy inside body of a motor car 2 head mass center (be but not limited to head mass center,
Can be at the positions such as nose, shoulder joint, knee center), the first displacement measuring device 10 on cross slide way 6 can be right
Displacement of the longitudinal rail 5 on cross slide way 6 measures, and the second displacement measuring device 11 on longitudinal rail 5 then can
It is enough that displacement of the laser ranging system 7 on longitudinal rail 5 is measured, pass through the first displacement measuring device 10 and second displacement
Shift value detected by measuring device 11 can determine the seat at the part with dummy that laser ranging system 7 is aligned
Scale value.Then another longitudinal rail 5 and laser ranging system 7 thereon are moved, so that laser ranging system 7 can point at
Other positions with dummy can either obtain the coordinate value at second position.It as a result, can using dummy's positioning device
The coordinate value with dummy at two different locations is got, these coordinates can be the coordinate at two independent positions, can also
To be the relative coordinate between two coordinates, by the position with dummy that dummy's positioning device is read coordinate with set
The coordinate counted is compared, and whether the position that can either determine that the dummy in body of a motor car 2 places is accurate, then passes through phase again
The difference answered is adjusted the position of dummy, and the positioning of dummy is finally made to can satisfy the requirement of test.By to dummy
Positioning device carries out shirtsleeve operation, can obtain the intuitive coordinate obtained at position required for dummy, greatly
Raising efficiency and accuracy that dummy is positioned.
Wherein, there are two slidable first sliding block 8, each longitudinal rail 5 passes through described the respectively for setting on cross slide way 6
One sliding block 8 is slidably connected with cross slide way 6, and slidable second sliding block 9, laser are respectively arranged on each longitudinal rail 5
Range unit 7 is slidably connected by the second sliding block 9 with longitudinal rail 5, by driving the first sliding block 8 to be then able to drive longitudinal direction
Guide rail 5 slides on cross slide way 6, drives laser ranging system 7 to slide on longitudinal rail 5 by the second sliding block 9 of driving,
Thus guarantee smoothness that longitudinal rail 5 and laser ranging system 7 slide, so that installation and operation are more convenient.The vacation
People's positioning device further includes two, and positioning balancing device 12, positioning balancing device 12 include correspondingly with each longitudinal rail 5
Connecting rope 121 and balancer 122, balancer 122 are fixedly installed in the upper end of longitudinal rail 5, and connecting rope 121 is connected to balancer
122 and second between sliding block 9, and the second sliding block 9 is equipped with the first lockable mechanism for being positioned to the second sliding block 9, the
One lockable mechanism can carry out locking to the second sliding block 9 when device does not work, and prevent from the second sliding block 9 is avoided to tamper leading to device
The accuracy of measurement structure reduces, and when being worked, opens the first locking structure, the second sliding block 9 has centainly at this time
Weight, the second sliding block 9 causes measurement result inaccurate since gravity generates free length travel in order to prevent, also for
It avoids requiring to repeat when switching position during atual detection that the second sliding block 9 unscrewed and tightened, it is inconvenient
And waste time, so being equipped with positioning balancing device 12 on longitudinal rail 5, the second sliding block 9 can pass through positioning balance dress
The connecting rope 121 and balancer 122 for setting 12 are attached, and balancer 122 can be automatically adjusted according to the weight of different sliding blocks
The equilibrant force of itself, so that the second sliding block 9 will not move freely under conditions of the first locking structure unclamps, so switching
It when different measurement position, do not need to tighten, unscrew locking device, measurement efficiency can either be turned up, frequently twisted by eliminating
Tightly, unscrew caused measurement error.
In addition, the first displacement measuring device 10 includes that the first ruler item 101 and two are respectively and fixedly installed on the first sliding block 8
The first displacement sensor 102, be laid with the first ruler item 101, and the first displacement sensor 102 along its length on cross slide way 6
It is vertical setting with the length direction of the first ruler item 101, second displacement measuring device 11 includes the second ruler item 111 and is fixedly mounted
Second displacement sensor on the second sliding block 9 is laid with the second ruler item 111, and second displacement on longitudinal rail 5 along its length
The length direction of sensor and the second ruler item 111 is vertical setting, the first displacement sensor 102 and second displacement sensor difference
It is electrically connected or is wirelessly connected with control device, as a result, when longitudinal rail 5 is slided on cross slide way 6 by the first sliding block 8
When, the displacement sensor on the first sliding block 8 can detect the first sliding block 8 in transverse direction with 101 cooperating of the first ruler item
Shift value on guide rail 6, the shift value on the first ruler item 101 that the first displacement sensor 102 can will test feed back to control
Device processed is converted it into corresponding coordinate by control device and is shown；When the second sliding block 9 on longitudinal rail 5 is vertical
When being slided on direction guiding rail 5, the second displacement sensor on the second sliding block 9 can be cooperated with the second ruler item 111
Work, detects that shift value of second sliding block 9 on longitudinal rail 5, second displacement sensor can will test corresponding
Shift value on second ruler item 111 feeds back to control device, is translated into corresponding coordinate by control device and is shown.It needs
It is noted that in the present embodiment, what the first displacement sensor 102 and second displacement sensor were all made of is magnetic grid sensing
What device, the first ruler item 101 and the second ruler item 111 were all made of is magnetic stripe, and the two has been provided with very high repeatable accuracy and linear essence
Degree, so as to effectively guarantee the accuracy of measurement result, but in other embodiments, the first displacement sensor 102, the
The type selection of two displacement sensors, the first ruler item 101 and the second ruler item 111 is not limited by the present embodiment, as long as can
Accurately detect the shift value that the first sliding block 8 is on cross slide way 6 and the second sliding block 9 is on longitudinal rail 5.Referring to
Fig. 3, laser ranging system 7 include the laser emitter 71 and laser range finder 72 being arranged in juxtaposition, laser emitter 71 and laser
Rangefinder 72 is fixedly mounted on the same side of the second sliding block 9, and laser emitter 71 and laser range finder 72 respectively with control
Device electrical connection processed controls laser emitter 71 and laser range finder 72 by control device, laser emitter 71 simultaneously
Hot spot is generated, is radiated at the position that dummy needs to measure with it, provides indicative function, laser for measurement and the adjustment of dummy position
Dummy's positioning device that rangefinder 72 then will test passes to control device at a distance from transmitting station side, is shown by control device
Show that on the touchscreen, whole process is very simple, easy to operate and result is reliable.
Further, the first sliding block 8 includes the first support plate 81 and the first sliding part 82, the one side of the first support plate 81
It is fixedly connected with longitudinal rail 5, the first sliding part 82 is fixedly connected on the another side of the first support plate 81, and the first sliding
Part 82 is slidably connected with the cross slide way 6, and the second sliding block 9 includes the second support plate 91 and the second sliding part 92, laser
Transmitter 71 and laser range finder 72 are respectively and fixedly installed on the one side of the second support plate 91, and the second sliding part 92 is fixed to be connected
It is connected on the another side of the second support plate 91, and the second sliding part 92 is slidably connected with longitudinal rail 5.First support plate
81 can either facilitate being fixedly connected between longitudinal rail 5, can also facilitate the arrangement of the second sliding part 92 to install, longitudinally lead
Rail 5 is bolted with the first support plate 81, is easily installed and dismantles, and the first support plate 81 can be by 5 He of longitudinal rail
First sliding part 82 is distributed on two opposite surfaces, is independent of each other, and guarantees the smoothness of sliding.Second support plate 91 is then used
Guarantee the positioned opposite of laser ranging system 7 and the second sliding block 9, can either be the laser emitter 71 of laser ranging system 7
Biggish mounting area is provided with laser range finder 72, and laser ranging system 7 conveniently can be driven by the second sliding part 92
It is moved.Wherein, setting is there are two first boss 821 on the first sliding part 82, between the plane of symmetry of two first boss 821
Angle be 90 °, be provided with along its length on cross slide way 6 two it is corresponding first sliding one by one with each first boss 821
Slot 61, first boss 821 are set in first sliding groove 61, and one of first sliding groove 61 is located at the top of cross slide way 6, another
A first sliding groove 61 is displaced on side adjacent with top on cross slide way 6, and two first boss 821 and second sliding slot 51 are matched
Conjunction can effectively ensure that Stable sliding of first sliding part 82 on cross slide way 6, and prevent the first sliding part 82 from transverse direction
Deviate from guide rail 6, influences testing result.There are two second boss 921, two second boss 921 for setting on second sliding part 92
The plane of symmetry between angle be 90 °, two and each second boss 921 phase one by one are provided on longitudinal rail 5 along its length
Corresponding second sliding slot 51, second boss 921 are set in second sliding slot 51, upper two second boss of the second sliding part 92
921 can block longitudinal rail 5, to guarantee the reliability connecting with longitudinal rail 5, and prevent the second sliding part 92 from working
Abjection influences the operating accuracy for the laser ranging system 7 being located in the second support plate 91 in the process, improves entire dummy and positions dress
Set the reliability for carrying out coordinate measurement.
In the present embodiment, control device includes electronic-control box 4, (programmable logic controller (PLC), it can using one kind by PLC
The memory of programming is used for its internally stored program, executes the faces such as logical operation, sequential control, timing, counting and arithmetical operation
Instruction to user, and various types of mechanical or production processes are controlled by number or analog pattern input/output) and touch aobvious
Display screen 41, PLC are set to inside electronic-control box 4, and the side of electronic-control box 4 is arranged in touch display screen 41, and electronic-control box 4 is fixed
It is mounted on fixed bracket 3, touch display screen 41 is electrically connected with PLC, laser ranging system 7,10 and of the first displacement measuring device
Second displacement measuring device 11 is electrically connected with PLC respectively, and electronic-control box 4 is located at the side of fixed bracket 3, and staff is facilitated to exist
The work of control laser emitter 71, the first displacement measuring device 10 and second displacement measuring device 11 is adjusted during test,
Touch display screen 41 on the side of electronic-control box 4 can be then manually entered with corresponding dummy convenient for staff
Measuring point in the coordinate of coordinate and beginning point of reference in vehicle coordinate system in vehicle coordinate system, pass through laser emitter
Position coordinates at the corresponding test point of 71 alignments are fed back by the first displacement measuring device 10 and second displacement measuring device 11,
And the coordinate at the specified point position that will test by touch display screen 41 is shown, by the coordinate value in advance input
Coordinate value, which is compared, to be judged whether consistent, is adjusted according to difference to dummy, until the coordinate value of display screen display with
The coordinate value difference inputted in advance is within the scope of rules and regulations, then the positioning of dummy is met the requirements.Inside electronic-control box 4
The displacement number that PLC can feed back the laser range finder 72 being collected into, the first displacement sensor 102 and second displacement sensor
Value is carried out processing and is shown in the form of coordinate, and staff is facilitated to be read out and confirm.
Referring to Fig. 1 and Fig. 4, fixed bracket 3 includes that 31, four universal rolling wheels 32 of rack body and two are described for adjusting
The regulating part 33 of the terrain clearance of rack body 31, four universal rolling wheels 32 are installed on four angles of the bottom of rack body 31
At position, installation and adjustment part 33 is distinguished at the both ends of the bottom of rack body 31, and the second locking machine is provided on universal rolling wheel 32
Structure, regulating part 33 can change the terrain clearance of dummy's positioning device by rotary screw, and universal rolling wheel 32 can facilitate
Staff is adjusted the position of dummy's positioning device, is adjusting dummy's positioning device and vapour by laser ranging system 7
When the depth of parallelism between the fore-and-aft plane of vehicle vehicle body 2, universal rolling wheel 32 enables to adjustment process simpler, is keeping dummy
After the depth of parallelism of positioning device, universal rolling wheel 32 is locked using the second lockable mechanism, so that it is guaranteed that dummy's positioning device is in work
It will not arbitrarily move, be remained at corresponding parallel position during work.Complete the depth of parallelism to dummy's positioning device
Detection when, corresponding goniometer is placed on cross slide way 6, whether the data on viewing angle meter are zero, pass through adjust branch
The regulating part 33 of the bottom of frame ontology 31 changes the height of rack body 31, so that the degree of the goniometer on cross slide way 6 is
Zero, so that it is guaranteed that cross slide way 6 and dummy's positioning device are in horizontality, for during test detection data it is accurate
Degree provides reliable basis.
Referring to Fig. 7, the utility model additionally provides a kind of based on above-mentioned dummy's positioning device for vehicle impact testing
Localization method comprising following steps:
S1, the both ends that two longitudinal rails 5 are respectively moved to the fixed bracket 3, and it is pre- in control device
If the design coordinate of position with the dummy of actual requirement；
S2, the side surface that the laser ranging system 7 on two longitudinal rails 5 is aimed to test transmitting station 1, and
The fixed bracket 3 and the examination are judged according to the ranging degree of the laser ranging system 7 on two longitudinal rails 5
Whether the side surface for testing transmitting station 1 is parallel；
The laser range finder on S3, mobile two longitudinal rails, makes it aim at arbitrary point on vehicle body, that is, selects
The point is as a reference point and inputs coordinate of the reference point in vehicle coordinate system；
The laser emitter 71 on S4, mobile two longitudinal rails 5, makes it aim at appointing with dummy respectively
Meaning two different positions, and pass through first displacement measuring device 10 and the second displacement measuring device 11 confirmation dummy
The coordinate of two positions with it；
Two positions with S5, the dummy for confirming first displacement measuring device and the second displacement measuring device
The coordinate at place is compared with the design coordinate respective at two positions respectively, judges whether the positioning of dummy is accurate.
Based on above step, work step of the dummy's positioning device of the utility model in vehicle impact testing is specifically wrapped
It includes:
Dummy's positioning device is moved to the side for being located at the test car vehicle body 2 of 1 top of test transmitting station, and is pressed
Dummy is placed on automotive seat according to test requirements document；
The design coordinate of actual requirement at each position with dummy is preset in automobile in control device；
Two longitudinal rails 5 of dummy's positioning device are respectively moved at the end positions of fixed bracket 3；
Start the laser ranging system 7 on the second sliding block 9 and opens the first locking mounting mechanism on the second sliding block 9, sliding
Second sliding block 9 makes laser emitter 71 thereon aim at the side surface of test transmitting station 1, adjusts the position of dummy's positioning device
So that the ranging degree on laser range finder 72 on two the second sliding blocks 9 is consistent, it can guarantee fixed bracket 3 and examination at this time
The side surface for testing transmitting station 1 is parallel to each other, then the second retaining mechanism on universal rolling wheel 32 is locked,；
Real-time angular is detected by the goniometer being placed on cross slide way 6, by the tune for being displaced 31 bottom of rack body
The height that section part 33 changes entire dummy's positioning device then ensure that 6 He of cross slide way until the numerical value of goniometer is shown as zero
Dummy's positioning device is in horizontality；
The first retaining mechanism on the second sliding block 9 of longitudinal rail 5 is opened, guarantees that second is sliding by positioning balancing device 12
Block 9 will not move freely, and control laser ranging system 7 by control device and start to work, and the position of the second sliding block 9 of adjustment makes
The hot spot that the laser emitter 71 of laser ranging system 7 is launched be radiated at specified point (position of the specified point and coordinate by
It is specified to test consigner) on, determine that the specified point is reference point and inputs reference point coordinate；
Mobile one of longitudinal rail 5 and its above-mentioned second sliding block 9, so that the laser of corresponding laser ranging system 7
Transmitter aims at certain position with dummy, confirms dummy by the first displacement measuring device 10 and second displacement measuring device 11
The first coordinate at the position with it；
In the same manner, another mobile longitudinal rail 5 and its above-mentioned second sliding block 9, so that corresponding laser ranging system 7
The hot spot that laser emitter 71 emits is radiated at above-mentioned reference point and inputs reference point coordinate for the longitudinal rail 5.Then it moves
Another longitudinal rail 5 and the second sliding block 9 thereon, so that the laser emitter 71 of corresponding laser ranging system 7 aims at
Another location with dummy confirms the position with dummy by the first displacement measuring device 10 and second displacement measuring device 11
Set second coordinate at place；
Judge whether is design coordinate in the first coordinate and the second coordinate and control device at preset respective position respectively
Unanimously, the position of dummy is accurate if consistent, if it is inconsistent, the position of adjustment dummy can be consistent up to coordinate, from
And complete the accurate positionin to dummy in automobile.
Dummy's positioning device for vehicle impact testing of the utility model is during vehicle impact testing, Neng Goutong
The laser range finder 72 crossed on two longitudinal rails 5 detect and impact test in relative distance between automobile longitudinal plane,
And the distance measurement value for adjusting two laser range finders 72 is consistent, thus flat to quantify to adjust dummy's positioning device and automobile longitudinal
Face is substantially parallel, and guarantees the accuracy of measurement data, improves the accuracy of dummy's positioning.It is arranged in first on cross slide way 6
Displacement measuring device 10 can detect the moving displacement of two longitudinal rails 5 on cross slide way 6 respectively, be arranged in longitudinal direction
Second displacement measuring device 11 on guide rail 5 can detect the mobile position of the laser ranging system 7 on longitudinal rail 5 respectively
It moves, then converts reference coordinate for moving displacement detected by the first displacement measuring device 10 and second displacement measuring device 11
Coordinate in system indicates the coordinate of each point with dummy, convenient that dummy is accurately positioned.It is wrapped in dummy's positioning device
It is the laser ranging system 7 on two longitudinal rails 5 respectively, each measuring unit can either containing two sets of measuring units
The independent coordinate for setting different beginning point of reference in vehicle coordinate system, then reads coordinate of ground point respectively；It can pass through again
It sets different beginning point of reference coordinates to come while measuring different positions, two data are associated, to read any two
Relative coordinate between a position.The structure of entire dummy's positioning device for vehicle impact testing is very simple, operation letter
Victory, measured value is accurate, and can greatly improve the efficiency that dummy positions in impact test.Based on determining for dummy's positioning device
Position method can intuitively be read by shirtsleeve operation positions coordinate parameters required for dummy in test, and can survey simultaneously
The relative coordinate with dummy between the fixed position coordinate or two fixed position coordinates at two positions is measured, principle is reliable,
It is convenient to operate, and convenient for greatly improving the efficiency of test, and the scope of application is relatively broad, can be generalized to other need measure or
The field of person's positioning.
It should be understood that various information are described in the utility model using term " first ", " second " etc., but these
Information should not necessarily be limited by these terms, these terms are only used to for same type of information being distinguished from each other out.For example, not departing from this
In the case where utility model range, " first " information can also be referred to as " second " information, and similar, " second " information can also be with
Referred to as " first " information.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvement and deformations can also be made, these improve and become
Shape is also considered as the protection scope of the utility model.
Claims (9)
1. a kind of dummy's positioning device for vehicle impact testing, which is characterized in that including fixed bracket, control device, cross
Direction guiding rail, two longitudinal rails being parallel to each other and two laser ranging systems；
The cross slide way is fixedly installed on the fixed bracket；
Two longitudinal rails being parallel to each other, which are respectively perpendicular, to be slidably connected on the cross slide way；
It is slidably provided with the laser ranging system respectively on two longitudinal rails being parallel to each other；
It is equipped on the cross slide way for detecting two longitudinal rails being parallel to each other on the cross slide way
First displacement measuring device of slide displacement is separately installed on two longitudinal rails being parallel to each other described for detecting
The second displacement measuring device of slide displacement of the laser ranging system on the longitudinal rail；
The laser ranging system, first displacement measuring device and the second displacement measuring device respectively with the control
Device electrical connection is wirelessly connected.
2. being used for dummy's positioning device of vehicle impact testing as described in claim 1, which is characterized in that the cross slide way
Upper setting there are two slidable first sliding block, two longitudinal rails being parallel to each other pass through respectively first sliding block with
The cross slide way is slidably connected；
Slidable second sliding block is respectively arranged on each longitudinal rail, the laser ranging system is sliding by described second
Block is slidably connected with the longitudinal rail.
3. as claimed in claim 2 be used for vehicle impact testing dummy's positioning device, which is characterized in that further include two with
The corresponding positioning balancing device of two longitudinal rails being parallel to each other, the positioning balancing device includes connecting rope and balance
Device, the balancer are fixedly installed in the upper end of the longitudinal rail, and the connecting rope is connected to the balancer and described
Between two sliding blocks, and second sliding block is equipped with the first lockable mechanism for carrying out locking to second sliding block.
4. being used for dummy's positioning device of vehicle impact testing as claimed in claim 3, which is characterized in that first displacement
Measuring device includes the first ruler item and two the first displacement sensors being respectively and fixedly installed on first sliding block, the cross
The first ruler item is laid on direction guiding rail along its length；
The second displacement measuring device includes the second ruler item and the second displacement being fixedly mounted on second sliding block sensing
Device is laid with the second ruler item on the longitudinal rail along its length；
First displacement sensor and the second displacement sensor are electrically connected with the control device or are wirelessly connected respectively.
5. such as the described in any item dummy's positioning devices for vehicle impact testing of claim 2 to 4, which is characterized in that institute
Stating laser ranging system includes the laser emitter and laser range finder being arranged in juxtaposition, the laser emitter and the Laser Measuring
Distance meter is fixedly mounted on the same side of second sliding block, and the laser emitter and the laser range finder respectively with
The control device electrical connection is wirelessly connected.
6. being used for dummy's positioning device of vehicle impact testing as claimed in claim 5, which is characterized in that first sliding block
Including the first support plate and the first sliding part, the one side of first support plate is fixedly connected with the longitudinal rail, described
First sliding part is fixedly connected on the another side of first support plate, and first sliding part and the cross slide way
It is slidably connected；
Second sliding block includes the second support plate and the second sliding part, and the laser emitter and the laser range finder are distinguished
It is fixedly mounted on the one side of second support plate, second sliding part is fixedly connected on the another of second support plate
On one side, and second sliding part is slidably connected with the longitudinal rail.
7. being used for dummy's positioning device of vehicle impact testing as claimed in claim 6, which is characterized in that first sliding
Setting is there are two first boss on part, is provided with two on the cross slide way along its length with each first boss one by one
Corresponding first sliding groove, the first boss are set in the first sliding groove；
Setting is there are two second boss on second sliding part, be provided with along its length on the longitudinal rail two with it is each
Corresponding second sliding slot, the second boss are set in the second sliding slot second boss one by one.
8. being used for dummy's positioning device of vehicle impact testing as claimed in claim 5, which is characterized in that the control device
Including electronic-control box, PLC and touch display screen, the PLC is set to inside the electronic-control box, the touch display screen setting
In the side of the electronic-control box, the electronic-control box is fixedly mounted on the fixed bracket, the touch display screen and institute
State PLC electrical connection, the laser ranging system, first displacement measuring device and the second displacement measuring device respectively with
The PLC electrical connection.
9. being used for dummy's positioning device of vehicle impact testing as described in claim 1, which is characterized in that the fixed bracket
The regulating part of terrain clearance including rack body, four universal rolling wheels and two for adjusting the rack body, described four
A universal rolling wheel is installed at the position at four angles of the bottom of the rack body, the both ends point of the bottom of the rack body
The regulating part is not installed, and is provided with the second lockable mechanism on the universal rolling wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920388836.1U CN209485698U (en) | 2019-03-25 | 2019-03-25 | Dummy's positioning device for vehicle impact testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920388836.1U CN209485698U (en) | 2019-03-25 | 2019-03-25 | Dummy's positioning device for vehicle impact testing |
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| CN209485698U true CN209485698U (en) | 2019-10-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121682A (en) * | 2019-11-21 | 2020-05-08 | 中汽研汽车检验中心（天津）有限公司 | Dummy positioning device and method for trolley |
| CN112903304A (en) * | 2020-11-26 | 2021-06-04 | 重庆长安汽车股份有限公司 | Impact head detection device for automobile side safety air curtain point explosion test |
-
2019
- 2019-03-25 CN CN201920388836.1U patent/CN209485698U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121682A (en) * | 2019-11-21 | 2020-05-08 | 中汽研汽车检验中心（天津）有限公司 | Dummy positioning device and method for trolley |
| CN112903304A (en) * | 2020-11-26 | 2021-06-04 | 重庆长安汽车股份有限公司 | Impact head detection device for automobile side safety air curtain point explosion test |
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