CN206019980U - A kind of impact pendulnm device for the test of dummy's leg injury value - Google Patents
A kind of impact pendulnm device for the test of dummy's leg injury value Download PDFInfo
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- CN206019980U CN206019980U CN201620965355.9U CN201620965355U CN206019980U CN 206019980 U CN206019980 U CN 206019980U CN 201620965355 U CN201620965355 U CN 201620965355U CN 206019980 U CN206019980 U CN 206019980U
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Abstract
A kind of impact pendulnm device for the test of dummy's leg injury value, including pendulum and impact bulb, the impact bulb is arranged on pendulum front end by impacting bulb installing mechanism, impact bulb is made up of two parts, two parts realize connection by telescopic regulation structure, bulb front end is hemispherical, is face contact relation with dummy leg.Described device impacts the front and back position up and down of bulb by adjusting, the single-point and Multi-contact of dummy leg and Vehicular instrument panel in the case of different angles in real train test can effectively be simulated, and contact as more real face contact relation, by adjusting dummy leg angle, the position of impact head, pendulum release altitude, the response condition of thigh and shank when dummy leg diverse location clashes into Vehicular instrument panel in complete automobile collision test can be effectively simulated.In addition, pendulum afterbody can measure the impact energy suffered by dummy leg in knockout process with acceleration transducer, for analysis dummy's stress, optimizing dummy leg score has positive role.
Description
Technical field
This utility model is related to Crash Safety Design of Vehicles energy technical field, and in particular to the testing equipment injured by dummy.
Background technology
In vehicle impact testing, the injury of dummy's thigh mostlys come from dummy's knee, lower leg impacts instrument board and produces
Thigh compression stress and knee slippage, the injury of dummy's shank mostlys come from dummy's knee, lower leg impacts instrument board and produces
Power and torque.At present, in the central collision test of the regulations such as C-NCAP, Euro-NCAP, IIHS, US-NCAP, thigh and shank
All it is important investigation item.So, study dummy's thigh compression stress, knee slippage, The tibia index TI, shank Mx, My and hit
Hitting a position, impact force size, the research of the relation pair vehicle safety performance of leg angles has very important meaning.
In impact device in dummy's leg injury value research, it usually needs using impact pendulnm, current dummy's mark
Fixed is fixed pan with impact pendulnm front end, actual with the contact form of dummy leg for linear contact lay in knockout process, and by
Fix in pendulum height and weight, the Multi-contact gap that can only be carried out during single-point impact, with actual collision is larger.
Content of the invention
The purpose of this utility model is to provide a kind of simple structure, strong operability, reusable for dummy leg
The impact pendulnm device of injury values test so as to can effectively simulate dummy leg diverse location in complete automobile collision test and clash into car
The response condition of thigh and shank during instrument board.
For solving above-mentioned technical problem, this utility model adopts following proposal.
A kind of impact pendulnm device for the test of dummy's leg injury value, including pendulum and impact bulb, the impact
By impacting bulb installing mechanism installed in pendulum front end, impact bulb includes before and after's two parts to bulb, and two parts are by flexible
Adjustment structure realizes connection, and bulb front end is hemispherical, is face contact relation with dummy leg.
Further, the T-slot of above-below direction is provided with the impact head installing mechanism, and impact bulb is arranged on by bolt
In the T-slot of impact bulb installing mechanism, bolt position arbitrarily can be adjusted.
Preferably, the impact bulb has two, and size, weight and structure are consistent, installation side by side up and down.
Preferably, the telescopic regulation structure of the impact bulb is helicitic texture, and the two parts in front and back for impacting bulb pass through
Threaded connection, controls the flexible situation of bulb by adjusting the length being threadedly coupled.
Further, balancing weight is also equipped with the rear end of pendulum, it is ensured that stability of the pendulum in motor process.
Further, also acceleration transducer, is arranged on balancing weight or on pendulum.
Further, two wireropes that are separately installed with front and back on pendulum hang pulleys, for hanging on a steel cord pendulum
Realize swinging.
The bob size of this device is close with dummy breast demarcation pendulum, can coordinate with chest calibrating table, complete difference
Horizontal impact test under height.Described device impacts the front and back position up and down of bulb by adjusting, and can effectively simulate real vehicle
In test in the case of different angles dummy leg and Vehicular instrument panel single-point and Multi-contact, and contact as more true
Real face contact relation, by adjusting dummy leg angle, the position of impact head, pendulum release altitude, effectively can simulate whole
The response condition of thigh and shank when dummy leg diverse location clashes into Vehicular instrument panel in car impact test.In addition, pendulum tail
Portion can measure the impact energy suffered by dummy leg in knockout process with acceleration transducer, for analysis dummy's stress,
Optimizing dummy leg score has positive role.
Description of the drawings
With reference to the accompanying drawings and detailed description this utility model is described in further detail：
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the structural representation figure of pendulum in this utility model；
Fig. 3 is the structural representation for impacting bulb installing mechanism in this utility model；
Fig. 4 is the structural representation for impacting bulb in this utility model,
In figure, 1- balancing weights, 2- wireropes hang pulley, 3- pendulums, 4- impact bulb installing mechanisms, 5- impact bulb I, 6-
Impact bulb II, 7- hook, 31- wireropes hang pulley installation bolt hole, 32- and test the speed grating installation bolt hole, 33- impact bulbs
Installing mechanism bolt hole, 41-T type bolts, 42- carry externally threaded part B with externally threaded part A, 43-.
Specific embodiment
Following examples are i.e. with the pendulum of release certain mass according to H3 dummy breast rating tests method（Potential energy is turned
Chemical conversion kinetic energy）Clash into the response condition that dummy leg different parts obtain dummy.For dummy leg and vehicle in simulation test
The contact situation of instrument board, this device carry out single-point using two horizontally and vertically freely adjustable bulb impacts in direction
With the different operating modes of 2 points of impacts, by adjusting dummy leg angle, the position of impact head, pendulum release altitude, difference is obtained
Response condition, in order to analyze dummy's stress, optimize dummy leg score.
Embodiment：
Referring to Fig. 1, impact pendulnm device includes pendulum 3, impact bulb installing mechanism 4, impact bulb 5, balancing weight 1 etc..
Referring to Fig. 2, pendulum 3 is manufactured by stainless steel material, and impact bulb installing mechanism 4 is installed in front end, and counterweight is installed in rear end
Block 1.There are four wireropes to hang pulley installation bolt hole 31 on pendulum 3, in front and back each branch two, connect for pulley being hung with wirerope
Connect, so pendulum can be hung and swing.There is sensor installation bolt hole 32 3 side of pendulum, for installing
Acceleration transducer, it is therefore an objective to measure the speed of Charpy impact, acceleration transducer is using the grating that tests the speed.Certainly, sensor peace
Dress bolt hole can also be arranged on balancing weight afterbody center.There are multiple impact bulb installing mechanism bolts hole 33 3 front end of pendulum, uses
Bulb installing mechanism 4 is impacted in installing.
Referring to Fig. 3,4 side of impact bulb installing mechanism is connected with pendulum 3 by six bolts, and opposite side is provided with upper and lower
To T-slot, for install impact bulb 5.
Referring to Fig. 4, impact bulb 5 includes before and after's two parts, and one is that another is band with externally threaded part A 42
Female part B 43, two parts are threaded connection, and 5 front end of impact bulb is hemispherical, to ensure which with dummy leg
Contact form be face contact.In addition, control the flexible situation of bulb by adjusting the length that is threadedly coupled, so then can be with
The flexible situation of bulb is controlled by adjusting the length being threadedly coupled.
Referring to Fig. 1, impact bulb 5 has upper and lower two, and size, weight and structure are consistent, by T-bolt 41 installed in punching
In the T-slot of driving head installing mechanism 4, bolt position arbitrarily can be adjusted, so can be by the position adjustments of regulating bolt
The distance of two impact bulb in the vertical directions, so that ensure the diverse location that can clash into leg.
Referring to Fig. 1, balancing weight 1 can be installed in the rear end of pendulum 3, be connected with pendulum by three interior hexagonal dormant bolts,
It is installed in pendulum main body when being impacted using two bulbs, it is therefore an objective to make pendulum keep balance in swing process, use
Need to be dismantled during single bulb.
Using being, front end that impact bulb installing mechanism 4 is fixed on pendulum 3 with six interior hexagonal dormant bolts, according to
Test needs, and selects single or two impact bulbs, is connected which with impact bulb installing mechanism with T-bolt 41, by adjusting
The reach of section bulb hangs pulley link bolt hole 31 adjusting horizontal range, by wirerope wirerope is hung pulley 2 pacifies
It is mounted on pendulum 3, the pendulum hookup that connection is completed is hung on the suspension wirerope of chest calibrating table.
Consider that the steel wire rope stressing conditions of chest calibrating table, impact pendulnm device gross mass are controlled in 30kg.
Claims (10)
1. a kind of impact pendulnm device for the test of dummy's leg injury value, including pendulum and impacts bulb, it is characterised in that
By impacting bulb installing mechanism installed in pendulum front end, impact bulb includes before and after's two parts, two parts to the impact bulb
Connection is realized by telescopic regulation structure, bulb front end is hemispherical, is face contact relation with dummy leg.
2. according to claim 1 for dummy's leg injury value test impact pendulnm device, it is characterised in that described
The T-slot of above-below direction is provided with impact head installing mechanism, impacts bulb by bolt installed in impact bulb installing mechanism
In T-slot.
3. according to claim 1 and 2 for dummy's leg injury value test impact pendulnm device, it is characterised in that
The impact bulb has two, and size, weight and structure are consistent, installation side by side up and down.
4. according to claim 3 for dummy's leg injury value test impact pendulnm device, it is characterised in that described
The telescopic regulation structure of impact bulb is helicitic texture, and the two parts in front and back for impacting bulb are threaded connection.
5. according to claim 1 and 2 for dummy's leg injury value test impact pendulnm device, it is characterised in that
Balancing weight is also equipped with the rear end of pendulum.
6. according to claim 5 for dummy's leg injury value test impact pendulnm device, it is characterised in that counterweight
Block is connected with pendulum by bolt.
7. according to claim 5 for dummy's leg injury value test impact pendulnm device, it is characterised in that also
Acceleration transducer, is arranged on balancing weight or on pendulum.
8. according to claim 1 and 2 for dummy's leg injury value test impact pendulnm device, it is characterised in that
The impact head installing mechanism is connected with pendulum front end by bolt.
9. according to claim 1 and 2 for dummy's leg injury value test impact pendulnm device, it is characterised in that
Two wireropes are separately installed with before and after on pendulum hangs pulley.
10. according to claim 1 and 2 for dummy's leg injury value test impact pendulnm device, it is characterised in that
The impact pendulnm device is manufactured by metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620965355.9U CN206019980U (en) | 2016-08-29 | 2016-08-29 | A kind of impact pendulnm device for the test of dummy's leg injury value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620965355.9U CN206019980U (en) | 2016-08-29 | 2016-08-29 | A kind of impact pendulnm device for the test of dummy's leg injury value |
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| Publication Number | Publication Date |
|---|---|
| CN206019980U true CN206019980U (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620965355.9U Active CN206019980U (en) | 2016-08-29 | 2016-08-29 | A kind of impact pendulnm device for the test of dummy's leg injury value |
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| CN (1) | CN206019980U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113735A (en) * | 2020-09-08 | 2020-12-22 | 北京理工大学 | Multi-point high-speed transient impact loading test system |
| CN117890057A (en) * | 2024-03-18 | 2024-04-16 | 中国汽车技术研究中心有限公司 | Device and method for testing arm impact response of collision dummy |
-
2016
- 2016-08-29 CN CN201620965355.9U patent/CN206019980U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113735A (en) * | 2020-09-08 | 2020-12-22 | 北京理工大学 | Multi-point high-speed transient impact loading test system |
| CN117890057A (en) * | 2024-03-18 | 2024-04-16 | 中国汽车技术研究中心有限公司 | Device and method for testing arm impact response of collision dummy |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |