CN114235438B - Testing device for simulating extrusion stress of head of passenger - Google Patents
Testing device for simulating extrusion stress of head of passenger Download PDFInfo
- Publication number
- CN114235438B CN114235438B CN202111580296.5A CN202111580296A CN114235438B CN 114235438 B CN114235438 B CN 114235438B CN 202111580296 A CN202111580296 A CN 202111580296A CN 114235438 B CN114235438 B CN 114235438B
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- head
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- ball cavity
- sensor
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- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 238000001125 extrusion Methods 0.000 title claims abstract description 14
- 230000002787 reinforcement Effects 0.000 claims description 7
- 241000446313 Lamella Species 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims description 2
- 239000000758 substrate Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 208000010727 head pressing Diseases 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0078—Shock-testing of vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a testing device for simulating extrusion stress of heads of passengers. The test device for simulating the extrusion stress of the head of the passenger comprises an adjustable base, a base plate and a test device, wherein the adjustable base comprises a base plate arranged in the horizontal direction, and the base plate can move in the X direction or the Y direction and is fixed; the electric telescopic module is arranged on the base plate and comprises a telescopic rod arranged in the vertical direction; the angle adjusting unit comprises a ball cavity supporting seat, a ball head and a ball cavity; the head type assembly comprises a head type body and a sensor assembly arranged on the head type body, and the sensor assembly is fixedly arranged at the top of the ball cavity. The invention provides a testing device for simulating extrusion stress of the head of an occupant, which has the advantages of compact structure, convenient operation and difficult damage.
Description
Technical Field
The invention relates to the technical field of vehicle testing, in particular to a testing device for simulating extrusion stress of heads of passengers.
Background
Along with the improvement of the living standard of people, the automobile brings great convenience to the travel of people, and at present, in the process of processing the automobile, a dummy is often required to be used for simulating the extrusion stress test of the head of an occupant. However, the compression test is not performed once, but is performed multiple times, for this reason, the head position of the dummy needs to be adjusted to be consistent during each test, so that the test is convenient, however, manual adjustment is difficult to ensure that the posture of the head is consistent during each test, so that the test effect is not good enough, and each adjustment is time-consuming and labor-consuming.
In addition, when the pressure of the head pressing is too great, the dummy is destroyed, and the dummy needs to be replaced again. For this reason, there is a need for a test device that adjusts the head position to protect the head structure when the pressure of the head compression is excessive.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the testing device for simulating the extrusion stress of the head of the passenger, which has compact structure, convenient operation and difficult damage.
Specifically, the invention provides a testing device for simulating extrusion stress of the head of an occupant, which comprises,
An adjustable base including a base plate disposed in a horizontal direction, the base plate being movable in an X direction or a Y direction and being fixed;
an electric retractable module disposed on the base plate, the electric retractable module including a retractable rod disposed in a vertical direction;
The angle adjusting unit comprises a ball cavity supporting seat, a ball head and a ball cavity, wherein the ball cavity supporting seat is of a hollow structure, a groove is formed in the top of the ball cavity supporting seat, the bottom of the ball head downwards penetrates through the center of the ball cavity supporting seat, the bottom of the ball head is fixed at the top of the telescopic rod, the bottom of the ball cavity and the top of the ball cavity supporting seat are fixed in a matched mode, the ball cavity can rotate relative to the ball cavity supporting seat, and an accommodating space in running fit with the top of the ball head is formed by the groove of the ball cavity and the groove of the ball cavity supporting seat in a matched mode;
The head type assembly comprises a head type body and a sensor assembly arranged on the head type body, and the sensor assembly is fixedly arranged at the top of the ball cavity.
According to one embodiment of the invention, the sensor assembly comprises a sensor upper seat, a three-axis force sensor and a sensor lower seat, wherein the three-axis force sensor is arranged on the sensor lower seat, the three-axis force sensor is fixed at the top of the ball cavity through the sensor lower seat, and the three-axis force sensor is fixed in the head-shaped body through the sensor upper seat.
According to one embodiment of the invention, the triaxial force sensor is fixedly arranged at the centre of mass of the head-shaped body.
According to one embodiment of the invention, a laser is provided on the head-shaped body for positioning the head-shaped assembly.
According to one embodiment of the invention, the testing device further comprises a positioning pin, a plurality of mounting holes are formed in the ball socket supporting seat in the radial direction, the top of the ball head can rotate in the accommodating space within a set angle so as to keep the top of the ball socket in a horizontal position, and the positioning pin is matched with the mounting holes and used for fixing the ball head on the ball socket supporting seat.
According to one embodiment of the invention, the electrically retractable module comprises an electric cylinder arranged on the base plate, the electric cylinder being used for controlling the lifting of the telescopic rod.
According to one embodiment of the invention, a guide sleeve in the vertical direction is arranged on the periphery of the top of the electric cylinder, a guide post seat in the horizontal direction is arranged on the top of the telescopic rod, a guide post in the vertical direction is arranged on the periphery of the guide post seat, the guide post penetrates into the guide sleeve downwards, and the telescopic rod can drive the guide post seat to move up and down and drive the guide post to move up and down in the guide sleeve.
According to one embodiment of the invention, the electric telescopic module further comprises a controller, wherein the controller is arranged on the base plate and receives the stress signal transmitted by the sensor assembly, and the controller controls the telescopic rod to descend according to the stress signal.
According to one embodiment of the invention, the test device further comprises a reinforcement brace secured to the base plate and to the outer wall of the electric cylinder, the reinforcement brace being used to stiffen the electric cylinder.
According to one embodiment of the invention, the adjustable base further comprises a bottom plate and an intermediate plate, the intermediate plate is arranged between the base plate and the bottom plate, a guide rail and a first screw rod along the X-axis direction are arranged on the bottom plate, the bottom of the intermediate plate is matched with the guide rail on the bottom plate and is matched with the first screw rod, and the first screw rod is rotated to enable the intermediate plate to move along the X-axis direction; the top of intermediate lamella is equipped with along the ascending guide rail of Y axle direction and second lead screw, the bottom of base plate with guide rail on the intermediate lamella cooperates and with the cooperation of second lead screw, rotate the second lead screw so that the base plate is followed move in the Y axle direction.
The testing device for simulating the extrusion stress of the head of the passenger has a compact overall structure, adopts the telescopic rod to support the head assembly, and is convenient to operate and not easy to damage.
It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the accompanying drawings:
FIG. 1 shows a schematic structural diagram of a test device for simulating the squeezing force of the head of an occupant according to an embodiment of the present invention.
FIG. 2 illustrates a cross-sectional view of a test device simulating an occupant's head crush force, in accordance with one embodiment of the present invention.
FIG. 3 illustrates a perspective view of a test device simulating an occupant's head crush force, in accordance with one embodiment of the present invention.
FIG. 4 illustrates a front view of an adjustable base of a testing device according to one embodiment of the present invention.
Fig. 5 is a top view of fig. 4.
Fig. 6 is a perspective view of fig. 4.
Wherein the above figures include the following reference numerals:
Test device 100
Adjustable base 101
Electrically retractable module 102
Angle adjusting unit 103
Head assembly 104
Substrate 105
Telescopic link 106
Ball socket support 107
Ball head 108
Ball hole 109
Head type body 110
Sensor upper seat 111
Triaxial force sensor 112
Sensor lower seat 113
Laser 114
Locating pin 115
Electric cylinder 116
Guide sleeve 117
Guide post base 118
Guide column 119
Controller 120
Reinforcing brace 121
Bottom plate 122
Intermediate plate 123
First screw 124
Second screw rod 125
Guide rail 126
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application. Furthermore, although terms used in the present application are selected from publicly known and commonly used terms, some terms mentioned in the present specification may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Furthermore, it is required that the present application is understood, not simply by the actual terms used but by the meaning of each term lying within.
FIG. 1 shows a schematic structural diagram of a test device for simulating the squeezing force of the head of an occupant according to an embodiment of the present invention. FIG. 2 illustrates a cross-sectional view of a test device simulating an occupant's head crush force, in accordance with one embodiment of the present invention. FIG. 3 illustrates a perspective view of a test device simulating an occupant's head crush force, in accordance with one embodiment of the present invention. As shown in the figure, a test device 100 for simulating the extrusion force of the head of an occupant mainly comprises an adjustable base 101, an electric telescopic module 102, an angle adjusting unit 103 and a head assembly 104.
The adjustable base 101 includes a base plate 105 disposed in a horizontal direction. The substrate 105 can be moved in the X direction or the Y direction and fixed. Conventionally, the X-direction and the Y-direction are perpendicular to each other.
The electrically retractable module 102 is disposed on a substrate 105. The electrically retractable module 102 includes a retractable pole 106 disposed in a vertical direction.
The angle adjustment unit 103 includes a ball socket support 107, a ball head 108, and a ball socket 109. The ball socket support 107 has a hollow structure, and a groove is formed at the top of the ball socket support. The bottom of the ball cavity 109 is fluted. The bottom of the ball head 108 passes through the center of the ball hole supporting seat 107 downwards, and the bottom of the ball head 108 is fixed at the top of the telescopic rod 106. The bottom of the ball cavity 109 and the top of the ball cavity support seat 107 are matched and fixed, so that the ball cavity 109 can rotate relative to the ball cavity support seat 107. The groove of the ball cavity 109 and the groove of the ball cavity supporting seat 107 are correspondingly matched up and down to form an accommodating space which is matched with the top of the ball head 108 in a rotating way.
The head assembly 104 includes a head body 110 and a sensor assembly disposed on the head body 110. The sensor assembly is fixedly disposed on top of the ball cavity 109. The outer periphery of the head-shaped body 110 has a hemispherical shape for simulating the head of an occupant.
It is easy to understand that the head assembly 104 is disposed on the angle adjusting unit 103, and rotating the ball cavity 109 relative to the ball cavity supporting seat 107 can drive the head assembly 104 to rotate along with it, so as to adjust the rotation angle of the head body 110. The angle adjusting unit 103 is fixed on the telescopic rod 106 through a ball head 108, and the lifting of the telescopic rod 106 drives the head assembly 104 to ascend or descend so as to adjust the height of the head assembly 104. The electric telescopic module 102 is fixed on the adjustable base 101 through the base plate 105, and adjusts the position of the base plate 105 in the X direction or the Y direction to drive the head assembly 104 thereon to move along with the base plate, so that the head body 110 reaches a specified position in the horizontal direction.
Preferably, the sensor assembly includes a sensor upper mount 111, a three-axis force sensor 112, and a sensor lower mount 113. The three-axis force sensor 112 is provided on the sensor lower seat 113, and is fixed on the top of the ball cavity 109 through the sensor lower seat 113. The triaxial force sensor 112 is fixed in the head-type body 110 by the sensor upper seat 111.
Preferably, the three-axis force sensor 112 is fixedly disposed at the center of mass of the head-shaped body 110. When the head-shaped body 110 is pressed and stressed, the triaxial force sensor 112 collects stress information of the head-shaped body 110.
Preferably, a plurality of lasers 114 are provided on the head-shaped body 110. An external calibration device positions the head assembly 104 via the laser 114. The position of the laser 114 is adjusted by adjusting the angle adjustment unit 103 so that the head assembly 104 reaches a specified test position.
Preferably, the test apparatus 100 further comprises a plurality of positioning pins 115. A plurality of mounting holes (not shown) are radially formed in the ball socket support 107. The top of the ball 108 is spherical, is matched with the upper and lower grooves of the ball socket support seat 107 and the ball socket 109 in shape, and can rotate in the accommodating space formed by the upper and lower grooves, and the rotation is limited in a preset angle. The adjustment is rotated to keep the top of the ball cavity 109 in a horizontal position. The positioning pins 115 are engaged with the mounting holes, and a plurality of positioning pins 115 are inserted so that the ends of the positioning pins 115 are abutted against the ball head 108, thereby fixing the ball head 108 to the ball socket support 107.
Preferably, the electrically retractable module 102 includes an electrical cylinder 116 disposed on the base plate 105, the electrical cylinder 116 being configured to control the raising and lowering of the telescoping pole 106.
Preferably, a guide sleeve 117 in the vertical direction is provided at the periphery of the top of the electric cylinder 116. In this embodiment two guide sleeves 117 are provided. A guide post seat 118 in the horizontal direction is provided at the top of the telescopic rod 106, and a guide post 119 in the vertical direction is provided at the periphery of the guide post seat 118. In this embodiment, two guide posts 119 are provided, the guide posts 119 penetrating downwardly into the guide sleeve 117. The up-and-down movement of the telescopic rod 106 can drive the guide post seat 118 to move up and down, and further drive the guide post 119 to move up and down in the guide sleeve 117. The guide post 119, the guide post seat 118 and the guide sleeve 117 are formed in a guide structure to make the up-and-down movement of the telescopic link 106 smoother.
Preferably, the electrically scalable module 102 further comprises a controller 120. The controller 120 is disposed on the substrate 105. The controller 120 receives the force signal transmitted by the sensor assembly and controls the lowering of the telescopic link 106 according to the force signal. Specifically, when the head module 104 of the test apparatus 100 is subjected to a larger pressing force, the controller 120 determines whether the pressing force reaches a set value for destroying the head module 104, and if so, drives the electric cylinder 116 to drive the telescopic rod 106 to descend, so as to avoid the head module 104 from being destroyed.
Preferably, the test apparatus 100 further comprises a reinforcement brace 121. The reinforcement brace 121 is fixed to the outer walls of the base plate 105 and the electric cylinder 116, and the reinforcement brace 121 is mainly used for reinforcing the electric cylinder 116, so that the overall structure is more stable.
FIG. 4 illustrates a front view of an adjustable base of a testing device according to one embodiment of the present invention. Fig. 5 is a top view of fig. 4. Fig. 6 is a perspective view of fig. 4. As shown, the adjustable base 101 preferably further includes a bottom plate 122 and an intermediate plate 123. The intermediate plate 123 is disposed between the base plate 105 and the bottom plate 122 at intervals, and a guide rail 126 and a first screw 124 are provided on the bottom plate 122 in the X-axis direction, and the bottom of the intermediate plate 123 is fitted to the guide rail 126 on the bottom plate 122 and is fitted to the first screw 124. The first screw 124 is rotated to move the intermediate plate 123 in the X-axis direction. A guide rail 126 and a second screw 125 along the Y-axis direction are provided at the top of the intermediate plate 123, and the bottom of the base plate 105 is fitted to the guide rail 126 on the intermediate plate 123 and is fitted to the second screw 125. The second screw 125 is rotated to move the substrate 105 in the Y-axis direction. The bottom plate 122 of the adjustable base 101 is disposed on the white car body, and the position of the base plate 105 in the horizontal direction is adjusted by adjusting the first screw 124 and the second screw 125, so that the head assembly 104 can reach a specified position in the horizontal direction.
The test device for simulating the extrusion stress of the head of the passenger has the following characteristics:
1. The angle between the head-shaped component and the horizontal plane is conveniently adjusted through the angle adjusting unit according to the laser positioning;
2. the electric telescopic support module is used for realizing displacement in the vertical direction, can be controlled manually, and can also be controlled automatically through the controller, so that the function of protecting the head-shaped component is achieved;
3. The adjustable base enables movement of the head assembly in a horizontal direction.
The testing device for simulating the extrusion stress of the head of the passenger forms closed-loop control of the head body stress value acquisition and the electric telescopic support module, has high flexibility of each adjusting mechanism, can rapidly and accurately position the head of the actual passenger, and has the characteristic of high responsiveness due to the existence of the controller in an actual test.
It will be apparent to those skilled in the art that various modifications and variations can be made to the above-described exemplary embodiments of the present invention without departing from the spirit and scope of the invention. Therefore, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (9)
1. A test device for simulating extrusion stress of the head of an occupant comprises,
An adjustable base including a base plate disposed in a horizontal direction, the base plate being movable in an X direction or a Y direction and being fixed;
an electric retractable module disposed on the base plate, the electric retractable module including a retractable rod disposed in a vertical direction;
The angle adjusting unit comprises a ball cavity supporting seat, a ball head and a ball cavity, wherein the ball cavity supporting seat is of a hollow structure, a groove is formed in the top of the ball cavity supporting seat, the bottom of the ball head downwards penetrates through the center of the ball cavity supporting seat, the bottom of the ball head is fixed at the top of the telescopic rod, the bottom of the ball cavity and the top of the ball cavity supporting seat are fixed in a matched mode, the ball cavity can rotate relative to the ball cavity supporting seat, and an accommodating space in running fit with the top of the ball head is formed by the groove of the ball cavity and the groove of the ball cavity supporting seat in a matched mode;
The head-shaped assembly comprises a head-shaped body and a sensor assembly arranged on the head-shaped body, and the sensor assembly is fixedly arranged at the top of the ball cavity; the sensor assembly comprises a sensor upper seat, a triaxial force sensor and a sensor lower seat, wherein the triaxial force sensor is arranged on the sensor lower seat, the triaxial force sensor is fixed at the top of the ball cavity through the sensor lower seat, and the triaxial force sensor is fixed in the head-shaped body through the sensor upper seat.
2. The test device of claim 1, wherein the tri-axial force sensor is fixedly disposed at a centroid of the head body.
3. The test device of claim 1, wherein a laser is provided on the head body for positioning the head assembly.
4. The test device of claim 1, further comprising a locating pin radially defining a plurality of mounting holes in the socket support, the top of the ball head being rotatable within the receiving space within a set angle to maintain the top of the socket in a horizontal position, the locating pin cooperating with the mounting holes for securing the ball head to the socket support.
5. The test device of claim 1, wherein the electrically retractable module comprises an electrical cylinder disposed on the base plate, the electrical cylinder for controlling the raising and lowering of the telescoping rod.
6. The testing device of claim 5, wherein a guide sleeve in the vertical direction is arranged on the periphery of the top of the electric cylinder, a guide post seat in the horizontal direction is arranged on the top of the telescopic rod, a guide post in the vertical direction is arranged on the periphery of the guide post seat, the guide post penetrates into the guide sleeve downwards, and the telescopic rod can drive the guide post seat to move up and down and drive the guide post to move up and down in the guide sleeve.
7. The test device of claim 5, wherein the electrically retractable module further comprises a controller disposed on the base plate, the controller receiving a force signal transmitted by the sensor assembly, the controller controlling the lowering of the retractable rod in response to the force signal.
8. The test apparatus of claim 5, further comprising a reinforcement brace secured to the base plate and the outer wall of the electric cylinder, the reinforcement brace being configured to stiffen the electric cylinder.
9. The test device of claim 1, wherein the adjustable base further comprises a base plate and an intermediate plate, the intermediate plate being disposed between the base plate and the base plate, a guide rail and a first screw rod being disposed on the base plate in the X-axis direction, a bottom of the intermediate plate being engaged with the guide rail on the base plate and engaged with the first screw rod, the first screw rod being rotated to move the intermediate plate in the X-axis direction; the top of intermediate lamella is equipped with along the ascending guide rail of Y axle direction and second lead screw, the bottom of base plate with guide rail on the intermediate lamella cooperates and with the cooperation of second lead screw, rotate the second lead screw so that the base plate is followed move in the Y axle direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111580296.5A CN114235438B (en) | 2021-12-22 | 2021-12-22 | Testing device for simulating extrusion stress of head of passenger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111580296.5A CN114235438B (en) | 2021-12-22 | 2021-12-22 | Testing device for simulating extrusion stress of head of passenger |
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| Publication Number | Publication Date |
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| CN114235438A CN114235438A (en) | 2022-03-25 |
| CN114235438B true CN114235438B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111580296.5A Active CN114235438B (en) | 2021-12-22 | 2021-12-22 | Testing device for simulating extrusion stress of head of passenger |
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| CN103674564A (en) * | 2012-08-31 | 2014-03-26 | 上海大众汽车有限公司 | Head positioning device |
| CN105606375A (en) * | 2016-03-02 | 2016-05-25 | 中国汽车技术研究中心 | Head force measuring device for testing compressive strength of car roof |
| CN208721363U (en) * | 2018-10-10 | 2019-04-09 | 天津瑷睿赛福科技有限公司 | A kind of automobile manikin head collision prevention device |
| CN110658001A (en) * | 2019-11-15 | 2020-01-07 | 天津瑷睿赛福科技有限公司 | Dummy head adjusting device in automobile crash test |
| CN212646325U (en) * | 2020-07-31 | 2021-03-02 | 中国汽车工程研究院股份有限公司 | Compressive strength test device system with overload protection function |
| CN216669277U (en) * | 2021-12-22 | 2022-06-03 | 上海机动车检测认证技术研究中心有限公司 | Testing device for simulating extrusion stress of head of passenger |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015073893A1 (en) * | 2013-11-14 | 2015-05-21 | The Uab Research Foundation | Systems for testing protective helmets |
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2021
- 2021-12-22 CN CN202111580296.5A patent/CN114235438B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674564A (en) * | 2012-08-31 | 2014-03-26 | 上海大众汽车有限公司 | Head positioning device |
| CN105606375A (en) * | 2016-03-02 | 2016-05-25 | 中国汽车技术研究中心 | Head force measuring device for testing compressive strength of car roof |
| CN208721363U (en) * | 2018-10-10 | 2019-04-09 | 天津瑷睿赛福科技有限公司 | A kind of automobile manikin head collision prevention device |
| CN110658001A (en) * | 2019-11-15 | 2020-01-07 | 天津瑷睿赛福科技有限公司 | Dummy head adjusting device in automobile crash test |
| CN212646325U (en) * | 2020-07-31 | 2021-03-02 | 中国汽车工程研究院股份有限公司 | Compressive strength test device system with overload protection function |
| CN216669277U (en) * | 2021-12-22 | 2022-06-03 | 上海机动车检测认证技术研究中心有限公司 | Testing device for simulating extrusion stress of head of passenger |
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|---|---|
| CN114235438A (en) | 2022-03-25 |
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