CN201772871U - Corner measurement system for crash dummy neck calibration test - Google Patents
Corner measurement system for crash dummy neck calibration test Download PDFInfo
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- CN201772871U CN201772871U CN2010202843856U CN201020284385U CN201772871U CN 201772871 U CN201772871 U CN 201772871U CN 2010202843856 U CN2010202843856 U CN 2010202843856U CN 201020284385 U CN201020284385 U CN 201020284385U CN 201772871 U CN201772871 U CN 201772871U
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- balance device
- corner measurement
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Abstract
The utility model discloses a corner measurement system for a crash dummy neck calibration test. The system comprises a corner measurement device arranged on one side of a dummy neck, wherein a corner measurement balance device accordant with the structure and mass of the corner measurement device is arranged on the opposite side of the corner measurement device and is fixedly connected to the dummy neck. By arranging the balance device on the opposite side of the corner measurement device, the system consisting of the corner measurement device, a neck assembly and the balance device is symmetrical left and right; the phenomenon of gravity shift of a measured object (the dummy neck) is overcome; the deflection effect of the dummy neck is effectively eliminated; and the neck corner measurement precision and the calibration test success rate are greatly improved. The measurement device is applied to neck calibration of various crash dummies.
Description
Technical field
The utility model relates to the measuring system in the impact test usefulness dummy rating test, particularly a kind of outer corner measurement system that is used to collide dummy's neck rating test.
Background technology
At present, the collision dummy is an important tool of estimating vehicle safety, the quality of its biological fitness has determined whether it can accurately simulate the biomechanical response of human body in car crass, thereby can the security performance that be directly connected to vehicle obtain correct assessment.And dummy's critical piece is demarcated is exactly the key measure that guarantees its biological fitness.Demarcation to the dummy at present mainly comprises head demarcation, neck demarcation, chest demarcation, knee demarcation etc.
Dummy's neck demarcation mode is: dummy's incidence assembly is fixed in the swing arm by contiguous block, then swing arm is risen to certain height, discharge swing arm, make the swing arm free movement, moving to upright position in swing arm will clash into the honeycomb aluminium block that is exclusively used in rating test, thereby produce the shock load of calibration request, the incidence assembly will produce relative rotation in impact process, measure the neck corner by corner measuring apparatus.Whether satisfy standard-required simultaneously by performance index such as incidence corners in the inspection collision process and judge whether pass through the neck rating test.At present, adopt method usually, obtain the relative rotation of incidence by the mathematical operation of two rotary angle transmitters at neck one side head and neck location place difference installing angle sensor.
At present, corner measuring apparatus mainly was made up of last rotary angle transmitter assembly piece, following rotary angle transmitter assembly piece and sensor connecting link during dummy's neck was demarcated.Wherein go up rotary angle transmitter assembly piece and form, the same rotary angle transmitter assembly of the total blocking architecture of following rotary angle transmitter piece by sensor mounting base and sensor.Upper and lower rotary angle transmitter assembly piece is connected with the sensor connecting link by the hole in the sensor mounting base, last rotary angle transmitter input shaft inserts in the hole of excessive piece, fix by jackscrew and last rotary angle transmitter input shaft, excessively piece is connected with swing arm in the caliberating device by 2 bolts, and following rotary angle transmitter input shaft can be connected with the incidence connecting pin by coupling sleeve.In the neck rating test, carry out the relative rotation that algebraic operation can be obtained neck in the collision process by the data that upper and lower rotary angle transmitter is measured.Because the neck corner measuring apparatus is installed in a side of neck, make and to have tangible unbalancedness on the system architecture of forming by corner measuring apparatus and incidence assembly, the deadweight reason of sensor in addition, make the centre-of gravity shift of total system, thereby cause measured object in the process of the test (headform neck assembly) to take place to turn round partially, and this inclined to one side torsion effect can increase and increase along with system's swing speed, so that influences neck outer corner measurement precision.Especially small size collision dummy makes that this inclined to one side torsion effect is more obvious because incidence assembly quality is less.
Summary of the invention
The utility model can be eliminated neck centre-of gravity shift for the technical matters that exists in the solution known technology provides a kind of, thereby improves the outer corner measurement system that is used to collide dummy's neck rating test of neck outer corner measurement precision.
The technical scheme that the utility model is taked for the technical matters that exists in the solution known technology is: a kind of outer corner measurement system that is used to collide dummy's neck rating test, comprise the corner measuring apparatus that is arranged on described dummy's neck one side, be provided with outer corner measurement balance device with its structural symmetry and quality symmetry at the opposite side of described corner measuring apparatus, described outer corner measurement balance device is fixed on described dummy's neck.
Described outer corner measurement balance device comprises top balance device and the bottom balance device that structure is identical, described top balance device comprises pedestal and the counterbalance weight that is fixed on the pedestal, described top balance device is fixed by excessive piece, described bottom balance device is fixed by coupling sleeve, and the pedestal of described top balance device is connected with connecting link by the hole on the pedestal with the pedestal of described bottom balance device.
Described counterbalance weight comprises the balance stem that is arranged on described pedestal centre and is sleeved on the balancing sleeve of its outside that described balancing sleeve and described balance stem are affixed by jackscrew.
Advantage and the good effect that the utlity model has are: by increasing balance device at neck corner measuring apparatus opposite side, feasible system's left-right symmetric of forming by corner measuring apparatus, incidence assembly and balance device, solved measured object (dummy's neck) centre-of gravity shift phenomenon at all, eliminated the inclined to one side torsion effect of dummy's neck effectively, thereby greatly improved neck outer corner measurement precision, and rating test success ratio.This measurement mechanism is applicable to multiple collision dummy's neck demarcation.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is the right view of Fig. 1;
Fig. 4 is the structural representation of the utility model balance device.
Among the figure: 1, corner measuring apparatus, 2, dummy's neck, 3, the incidence connecting pin, 4, dummy's head, 5, the outer corner measurement balance device, 6, excessive piece, 7, coupling sleeve.5-1, balance stem mounting base, 5-2, balance stem, 5-3, balancing sleeve, 5-4, connecting link.
Embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
The inclined to one side torsion effect of neck is the major reason that influences neck outer corner measurement precision, and the unbalancedness of total system structure to cause the skew of measured object center of gravity be the root that produces inclined to one side torsion effect, therefore then be the theoretical foundation that improves neck outer corner measurement precision by adjusting the balance of total system structure, making the measured object center of gravity no longer be offset.The utility model is a kind of outer corner measurement system that is used to collide dummy's neck rating test, employing increases the mode of balance device at the corner measuring apparatus opposite side, the feasible system architecture symmetry of forming by corner measuring apparatus, incidence assembly and balance device, guaranteeing that measured object (dummy's neck) center of gravity no longer is offset, thereby solve the problem of dummy's neck outer corner measurement precision that the inclined to one side torsion effect of neck causes at all.
See also Fig. 1～Fig. 4, a kind of outer corner measurement system that is used to collide dummy's neck rating test: comprise corner measuring apparatus 1 and outer corner measurement balance device 5, wherein, corner measuring apparatus 1 mainly comprises rotary angle transmitter assembly, following rotary angle transmitter assembly, upper and lower rotary angle transmitter assembly connecting link and is used for upper and lower rotary angle transmitter assembly and incidence are fixedly coupled device.Above-mentioned corner measuring apparatus is identical with corner measuring apparatus structure of the prior art.
The technical problem underlying of the required solution of the utility model is to need design outer corner measurement balance device, make the relative neck symmetry of neck structure on two sides balance and center of gravity, for guaranteeing that the corner balance device can be installed in the opposite side of neck, need to prolong incidence connecting pin 3 in the existing outer corner measurement system, make its structure left-right symmetric.
Above-mentioned outer corner measurement balance device 5 comprises rotary angle transmitter assembly balance device, down rotary angle transmitter assembly balance device, connecting link 5-4 and being used for connects the excessive piece 6 of rotary angle transmitter assembly balance device and swing arm and be used for being connected the sleeve 7 of time rotary angle transmitter assembly balance device and incidence connecting pin.Wherein going up rotary angle transmitter assembly balance device is to be combined by balance stem mounting base 5-1, balance stem 5-2 and balancing sleeve 5-3, and balance stem 5-2 and balancing sleeve 5-3 combination are used for adjustment.The structure of following rotary angle transmitter assembly balance device is identical with the structure of last rotary angle transmitter assembly balance device.Upper and lower rotary angle transmitter assembly balance device connects by connecting link 5-4, and last rotary angle transmitter assembly balance device is fixed on connecting link 5-4 and upward and with excessive piece 6 is connected, and following rotary angle transmitter assembly balance device is fixed on the incidence connecting pin 3 by coupling sleeve 7.The version of rotary angle transmitter mounting base, upper and lower rotary angle transmitter assembly connecting link is corresponding identical in the version of balance stem mounting base 5-1 and connecting link 5-4 and the prior art.Balance stem 5-2 inserts in the hole among the balance stem mounting base 5-1, and its interlude is milled with a plane, and balancing sleeve 5-3 can be attached thereto by the jackscrew that connects thereon.Between the mounting hole on balance stem 5-2 and the balance stem mounting base 5-1 is clearance fit.Balance stem mounting base 5-1 and balancing sleeve 5-3 length matching surface manufacturing accuracy cooperate and also adopt clearance fit less than 6.3.Balance stem mounting base 1 is connected with connecting link 4 by the hole on it in addition, and the matching surface precision adopts clearance fit less than 6.3.
In the above-mentioned corner balance device, balance stem mounting base 5-1 adopts polypropylene material, balance stem 5-2, balancing sleeve 5-3 and connecting link 5-4 all adopt the 20# steel, can make being equal in weight of outer corner measurement balance device 5 and corner measuring apparatus by the weight of adjusting balance stem 5-2 and balancing sleeve 5-3.Make that finally the structure and the weight distribution of outer corner measurement balance device 5 are identical with corner measuring apparatus 1, and guarantee system's left-right symmetric of forming by corner measuring apparatus 1, the incidence assembly that comprises dummy's neck 2 and dummy's head 4 and outer corner measurement balance device 5.
Above-mentioned measuring system has compared with prior art solved the centre-of gravity shift phenomenon of measured object (dummy's neck) at all, and then has eliminated the inclined to one side torsion effect of neck in dummy's neck rating test effectively, finally reaches the effect that improves neck outer corner measurement precision.
Although in conjunction with the accompanying drawings preferred embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, can also make a lot of forms, these all belong within the protection domain of the present utility model.
Claims (3)
1. outer corner measurement system that is used to collide dummy's neck rating test, comprise the corner measuring apparatus that is arranged on described dummy's neck one side, it is characterized in that, be provided with outer corner measurement balance device with its structural symmetry and quality symmetry at the opposite side of described corner measuring apparatus, described outer corner measurement balance device is fixed on described dummy's neck.
2. the outer corner measurement system that is used to collide dummy's neck rating test according to claim 1, it is characterized in that, described outer corner measurement balance device comprises top balance device and the bottom balance device that structure is identical, described top balance device comprises pedestal and the counterbalance weight that is fixed on the pedestal, described top balance device is fixed by excessive piece, described bottom balance device is fixed by coupling sleeve, and the pedestal of described top balance device is connected with connecting link by the hole on the pedestal with the pedestal of described bottom balance device.
3. the outer corner measurement system that is used to collide dummy's neck rating test according to claim 2, it is characterized in that, described counterbalance weight comprises the balance stem that is arranged on described pedestal centre and is sleeved on the balancing sleeve of its outside that described balancing sleeve and described balance stem are affixed by jackscrew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202843856U CN201772871U (en) | 2010-08-06 | 2010-08-06 | Corner measurement system for crash dummy neck calibration test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202843856U CN201772871U (en) | 2010-08-06 | 2010-08-06 | Corner measurement system for crash dummy neck calibration test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201772871U true CN201772871U (en) | 2011-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202843856U Expired - Fee Related CN201772871U (en) | 2010-08-06 | 2010-08-06 | Corner measurement system for crash dummy neck calibration test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201772871U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908251A (en) * | 2017-03-09 | 2017-06-30 | 宁波吉利汽车研究开发有限公司 | A kind of dummy neck caliberating device and scaling method |
| CN107314668A (en) * | 2017-08-30 | 2017-11-03 | 安徽海螺川崎装备制造有限公司 | A kind of lower ash bucket flap valve device for discharging of clinker line kiln hood sealing |
-
2010
- 2010-08-06 CN CN2010202843856U patent/CN201772871U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908251A (en) * | 2017-03-09 | 2017-06-30 | 宁波吉利汽车研究开发有限公司 | A kind of dummy neck caliberating device and scaling method |
| CN107314668A (en) * | 2017-08-30 | 2017-11-03 | 安徽海螺川崎装备制造有限公司 | A kind of lower ash bucket flap valve device for discharging of clinker line kiln hood sealing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20110806 |