CN206479304U - Chin deformation quantity test device during a kind of helmet clamping device and helmet impacts - Google Patents
Chin deformation quantity test device during a kind of helmet clamping device and helmet impacts Download PDFInfo
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- CN206479304U CN206479304U CN201720081265.8U CN201720081265U CN206479304U CN 206479304 U CN206479304 U CN 206479304U CN 201720081265 U CN201720081265 U CN 201720081265U CN 206479304 U CN206479304 U CN 206479304U
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- helmet
- chin
- track
- deformation quantity
- clamping device
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Abstract
The utility model is related to chin deformation quantity test device during a kind of helmet clamping device and helmet impacts, including：Single track ram tester, the helmet clamping device on the single track shock machine, and for measuring the mechanism for testing of chin deformation quantity in helmet knockout process.The mechanism for testing includes the foil gauge being arranged on helmet chin, and the foil gauge is connected by wire harness with a data acquisition unit, and the other end of described data acquisition unit connects PC computers.By the foil gauge of setting, the foil gauge is connected by wire harness with a data acquisition unit, and the other end of described data acquisition unit connects PC computers, realizes that the deformation quantity in collider process of the test at helmet chin is quantitatively measured.
Description
Technical field
The utility model is related to chin deformation quantity test device during a kind of helmet clamping device and helmet impacts.
Background technology
For prompt drop bicycle helmet, standard requires moment largest deformation amount of the measurement helmet chin in knockout process not
It can exceed that some measuring apparatus of 60mm. examine whether its immediate set amount reaches 60mm using the method for qualitative analysis.Qualitative point
The method of analysis can not provide an accurate numerical value, allow manufacturer and designer to know the performance of their products.Therefore design can
With accurately test out the deformation quantity of helmet chin in knockout process for accurately hold the performance of product have it is very important
Meaning.
Utility model content
Chin deformation quantity is tested during the purpose of this utility model is to provide a kind of helmet clamping device and helmet impacts
Device, quantitatively to measure the technical problem of the deformation quantity of chin during helmet impacts.
In order to solve the above-mentioned technical problem, the utility model provides a kind of helmet clamping device, for helmet impacts mistake
Chin deformation quantity test device in journey, including one be used for support helmet main body rear end face basket-style base, be vertically connected at basket
The limiting plate in basket base rear end face, one group of limited post for being vertically installed in basket-style base upper surface, one group of described limited post
On be vertically arranged with one be used at the facial opening of helmet main body front end face carry out screens cross bar.
Further, described limited post includes Large Diameter Pipeline post and pipe with small pipe diameter post；Described Large Diameter Pipeline post and basket-style base
Connect；And described Large Diameter Pipeline post forms a boss with pipe with small pipe diameter post joint, described cross bar is stuck on boss.
Further, the bottom of described helmet clamping device is provided with a bottom plate.
Another aspect, the utility model additionally provides chin deformation quantity test device during a kind of helmet impacts, including：
Single track ram tester, the helmet clamping device described on the single track shock machine, and hit for measuring the helmet
The mechanism for testing of chin deformation quantity during hitting；Wherein described single track ram tester includes test platform and is arranged on experiment
Column on platform；The column is provided with rail set and is arranged on the rail set and can make above sagging along rail set
The percussion mechanism directly moved；Described test platform is located at below percussion mechanism；Described helmet clamping device is arranged at experiment
On platform；And the mechanism for testing includes being arranged at foil gauge on helmet chin, the foil gauge passes through wire harness and a data
Collector is connected, and the other end of described data acquisition unit connects PC computers.
Further, the rail set includes the track frame being set on the column, and is arranged on track frame extremely
A few track, described track one end coaxially matches somebody with somebody to be connected to can do the track mobile motor rotated in a circumferential direction under its driving.
Further, the percussion mechanism is set on above-mentioned track including one end and can done under the turning effort of track
The conduit support frame of lower vertical movement, the conduit support frame other end is provided with above hollow conduit, the conduit and is provided with
By catheter interior and the impact weights of conduit can be passed, its moves up and down the impact weights by a vacuum device used control；
And described impact weights just to the chin of the helmet at.
Further, the vacuum device used fixed mount including being arranged on column top, be arranged on fixed mount motor,
The lifting line of drive shaft and one ends wound fixation on the driving shaft is coaxially coupled with motor, the lifting line other end is consolidated
Surely one can holds and discharge the electromagnet of above-mentioned impact weights.
Further, the cross bar is suitable to be arranged the through hole into limited post provided with one group, and the upper surface of described through hole is all
Edge is provided with the stud of disposed thread, is inserted in suitable for the cross bar after limited post, a rotation is arranged in the junction of limited post and cross bar
Tight nut, the described stud of insertion, is inserted the helmet after basket-style base with realizing, from the opening of helmet main body front end face, is led to
Cross cross bar and carry out clip.
Further, described helmet clamping device also includes one suitable for top of the edge of opening from the helmet to helmet main body
The drawstring being fixed；And the other end of described drawstring is connected with a rolling-up mechanism；The rolling-up mechanism includes handle and drawing
Band volume.
The beneficial effects of the utility model are that chin deformation quantity test device, passes through setting during this helmet impacts
Helmet clamping device, realizes the firm spacing clamping to helmet main body, it is to avoid occur moving influence shape during bump test
Become the accuracy of measurement.Further through the foil gauge of setting, the foil gauge is connected by wire harness with a data acquisition unit, described
The other end connection PC computers of data acquisition unit, realize that the deformation quantity in collider process of the test at helmet chin is quantitatively surveyed
Go out.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the single track ram tester structure of chin deformation quantity test device during helmet impacts of the present utility model
Schematic diagram；
Fig. 2 is the structural representation of helmet clamping device of the present utility model；
Fig. 3 is the structural representation of the rolling-up mechanism of chin deformation quantity test device during helmet impacts of the present utility model
Figure；
Fig. 4 is the structural representation of the drawstring of chin deformation quantity test device during helmet impacts of the present utility model.
In figure：Test platform 1, column 2, track frame 3, track 4, track mobile motor 5, conduit support frame 6, conduit 7, punching
Hit weight 8, fixed mount 9, motor 10, lifting line 11, electromagnet 12, basket-style base 13, limiting plate 14, Large Diameter Pipeline post 15,
Pipe with small pipe diameter post 16, cross bar 17, bottom plate 18, drawstring 19, spool 20, handle 21, stud 22, tightening nut 23, grab 24.
Embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
Embodiment 1
As shown in Fig. 2 the utility model, which provides the utility model, provides a kind of helmet clamping device, including one is used for
The basket-style base 13 of helmet main body rear end face is supported, the limiting plate 14 in basketry base rear end face is vertically connected at, is vertically arranged
It is vertical on one group of limited post in the upper surface of basket-style base 13, one group of described limited post to be arranged with one for helmet sheet
The cross bar 17 of screens is carried out at the facial opening of body front end face.
Specifically, the basket-style base 13 is provided with a circular port, it is partially disposed in suitable for the helmet main body rear end face
In circular port, it is easy to fix helmet main body.
Described limited post includes Large Diameter Pipeline post 15 and pipe with small pipe diameter post 16；Described Large Diameter Pipeline post 15 and basket-style base 13
Connect；And described Large Diameter Pipeline post 15 forms a boss with the joint of pipe with small pipe diameter post 16, described cross bar 17 is stuck on boss.
Specifically, the bottom of described helmet clamping device is provided with a bottom plate 18.
Embodiment 2
As shown in Figures 1 to 4, the utility model additionally provides chin deformation quantity test dress during a kind of helmet impacts
Put, including：Single track ram tester, the helmet clamping device described on the single track shock machine, and for surveying
The mechanism for testing of chin deformation quantity during amount helmet impacts；Wherein described single track ram tester include test platform 1 and
It is arranged on the column 2 on test platform 1；The column 2 provided with the device of track 4 and be arranged on the device of track 4 can be along
The percussion mechanism that the device of track 4 is moved up and down vertically；Described test platform 1 is located at below percussion mechanism；The described helmet
Clamping device is arranged at the foil gauge that the mechanism for testing on test platform 1 includes being arranged on helmet chin, and the foil gauge leads to
Cross wire harness with a data acquisition unit to be connected, the other end of described data acquisition unit connects PC computers.
The bottom plate 18 of the helmet clamping device for example, by but be not limited to the mode of bolt-screw thread and put down with described experiment
Platform 1 is fixedly connected.
In the present embodiment, measure is the deformation quantity for the vertical direction that helmet chin is produced after vertical direction toward impact is run into.
Optionally, the single track ram tester used in the utility model is also changed to the double track bump test of prior art
Machine, that is, only need to the survey of the helmet clamping device and chin deformation quantity of chin deformation quantity test device during this helmet impacts
Test-run a machine structure is installed on existing any double track ram tester, same to realize the deformation produced to chin in helmet knockout process
The quantitative determination of amount.
Optionally, described foil gauge is used such as, but not limited to is pasted onto on the outer surface of helmet chin by glue.
Specifically, the conversion method between the good dependent variable data of PC computer installations and deformation quantity, when receiving number
After the dependent variable sent according to collector, corresponding deformation quantity is calculated.Described PC computers paint the deformation quantity that calculating is obtained
Curve map is made, is easy to intuitively understand the performance of the corresponding helmet.
The device of track 4 includes the track frame 3 being set on the column 2, and is arranged at least the one of track frame 3
Root track 4, described one end of track 4 coaxially matches somebody with somebody to be connected to can do the track mobile motor 5 rotated in a circumferential direction under its driving.
The percussion mechanism is set on above-mentioned track 4 including one end and can do sagging under the turning effort of track 4
The support frame 6 of conduit 7 directly moved, the other end of 7 support frame of conduit 6 is provided with hollow conduit 7, and the top of conduit 7 is set
Having by the inside of conduit 7 and can pass the impact weights 8 of conduit 7, and the impact weights 8 are by a vacuum device used control above and below it
Motion；And described impact weights 8 just to the chin of the helmet at so that impact weights 8 can be under the helmet when moving downward
Ba Zaocheng is collided.
The vacuum device used fixed mount 9 including being arranged on the top of column 2, the motor 10 being arranged on fixed mount 9, with
The lifting line 11 of drive shaft and one ends wound fixation on the driving shaft is coaxially coupled in motor 10, and the lifting line 11 is another
End, which is fixed with one, can hold and discharge the electromagnet 12 of above-mentioned impact weights 8.During specific works, motor 10 hangs electromagnet 12
Rise, electromagnet 12 is inhaled to be sling together in impact weights 8, is hung the power knob by lower electromagnet 12 after proper height, is released
Put impact weights 8, chin portion of the impact just to the helmet below impact weights 8.
The cross bar 17 is suitable to be arranged the through hole into limited post provided with one group, and the upper surface periphery of described through hole is provided with
The stud 22 of disposed thread, is inserted in after limited post suitable for the cross bar 17, and a rotation is arranged in the junction of limited post and cross bar 17
Tight nut 23, the described stud 22 of insertion, is inserted the helmet after basket-style base 13 with realizing, from opening for helmet main body front end face
Mouthful, clip is carried out by cross bar 17.In order to coordinate the different size of helmet, described cross bar 17 is slidably located on limited post,
Tightening nut 23 is coordinated to be fixed.
It is preferred that, described helmet clamping device also includes one suitable for top of the edge of opening from the helmet to helmet main body
The drawstring 19 being fixed；And the other end of described drawstring 19 is connected with a rolling-up mechanism；The rolling-up mechanism includes handle
21 and drawstring volume 19.Specifically, the described control of handle 21 drawstring volume 19 is tightened up and unclamped.Specifically, the drawstring 19 with
Helmet main body joint is provided with a grab 24, and the grab 24 is suitable to hook at the edge of opening of the helmet.Described drawstring bags of volume 19
A spool 20 being coaxially disposed with the handle 21 is included, spool 20 is rotated suitable for swing handle 21, so as to realize drawstring
19 receipts are with putting.Described rolling-up mechanism is arranged at the base of the single track ram tester just to helmet gripping device front end face
On.Specifically, helmet main body rear end face is placed on basket-style base, the pullover to the helmet is used for by described limiting plate 14
Carried out at mouthful spacing；Again described cross bar 17 opening of helmet main body front end face block it is spacing, then by drawstring 19 from
The facial edge of opening of helmet main body front end face at the top of helmet main body to being fixed.I.e. to helmet main body it is upper and lower, preceding,
Four direction has carried out spacing fixation afterwards, has fully ensured helmet main body in collision process, will not produce displacement to influence
The accuracy of deformation measurement.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this utility model technological thought completely.This reality
The content on specification is not limited to new technical scope, it is necessary to its technology is determined according to right
Property scope.
Claims (9)
1. a kind of helmet clamping device, for chin deformation quantity test device during helmet impacts, it is characterised in that including one
For supporting the basket-style base of helmet main body rear end face, being vertically connected at the limiting plate in basketry base rear end face, be vertically arranged
It is vertical on one group of limited post in basket-style base upper surface, one group of described limited post to be arranged with one for helmet main body
The cross bar of screens is carried out at the facial opening of front end face.
2. helmet clamping device according to claim 1, it is characterised in that described limited post includes Large Diameter Pipeline post and small
Caliber post；Described Large Diameter Pipeline post connects with basket-style base；And
Described Large Diameter Pipeline post forms a boss with pipe with small pipe diameter post joint, and described cross bar is stuck on boss.
3. helmet clamping device according to claim 2, it is characterised in that the bottom of described helmet clamping device is provided with
One bottom plate.
4. chin deformation quantity test device during a kind of helmet impacts, it is characterised in that including：Single track ram tester, set
Hit in the helmet clamping device as described in claim 1-3 is any on the single track shock machine, and for measuring the helmet
The mechanism for testing of chin deformation quantity during hitting；Wherein
The single track ram tester includes test platform and the column being arranged on test platform；The column is provided with track
Device and the percussion mechanism that can be moved up and down vertically along rail set being arranged on the rail set；Described experiment is put down
Platform is located at below percussion mechanism；
Described helmet clamping device is arranged on test platform；And
The mechanism for testing includes the foil gauge being arranged on helmet chin, and the foil gauge passes through wire harness and a data acquisition unit phase
Even, the other end connection PC computers of described data acquisition unit.
5. chin deformation quantity test device during helmet impacts according to claim 4, it is characterised in that the track
Device includes the track frame being set on the column, and is arranged at least one track of track frame, described track one end
Coaxially match somebody with somebody to be connected to and the track mobile motor rotated in a circumferential direction can be done under its driving.
6. chin deformation quantity test device during helmet impacts according to claim 5, it is characterised in that the impact
Device is set on above-mentioned track including one end and the conduit support frame moved vertically up and down can be made under the turning effort of track,
The conduit support frame other end is provided with above hollow conduit, the conduit and is provided with and by catheter interior and can pass conduit
Impact weights, the impact weights by one it is vacuum device used control its move up and down；And
Described impact weights just to the chin of the helmet at.
7. chin deformation quantity test device during helmet impacts according to claim 6, it is characterised in that the suction is put
Device include be arranged on column top fixed mount, be arranged on fixed mount motor, with motor be coaxially coupled drive shaft,
And one ends wound fixes lifting line on the driving shaft, the lifting line other end is fixed with one and can hold and discharge above-mentioned punching
Hit the electromagnet of weight.
8. chin deformation quantity test device during helmet impacts according to claim 7, it is characterised in that the cross bar
It is suitable to be arranged the through hole into limited post provided with one group, the upper surface periphery of described through hole is provided with the stud of disposed thread, fitted
It is inserted in the cross bar after limited post, a tightening nut is arranged in the junction of limited post and cross bar, inserts described stud, with
Realization inserts the helmet after basket-style base, and from the opening of helmet main body front end face, clip is carried out by cross bar.
9. chin deformation quantity test device during helmet impacts according to claim 8, it is characterised in that described head
Helmet clamping device also includes one and is suitable to from the edge of opening of the helmet to the drawstring that is fixed at the top of helmet main body；And
The other end of described drawstring is connected with a rolling-up mechanism；The rolling-up mechanism includes handle and drawstring is rolled up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720081265.8U CN206479304U (en) | 2017-01-19 | 2017-01-19 | Chin deformation quantity test device during a kind of helmet clamping device and helmet impacts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720081265.8U CN206479304U (en) | 2017-01-19 | 2017-01-19 | Chin deformation quantity test device during a kind of helmet clamping device and helmet impacts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206479304U true CN206479304U (en) | 2017-09-08 |
Family
ID=59754315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720081265.8U Active CN206479304U (en) | 2017-01-19 | 2017-01-19 | Chin deformation quantity test device during a kind of helmet clamping device and helmet impacts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206479304U (en) |
-
2017
- 2017-01-19 CN CN201720081265.8U patent/CN206479304U/en active Active
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