CN105606375A - Head force measurement device for car roof compressive strength test - Google Patents
Head force measurement device for car roof compressive strength test Download PDFInfo
- Publication number
- CN105606375A CN105606375A CN201610117961.XA CN201610117961A CN105606375A CN 105606375 A CN105606375 A CN 105606375A CN 201610117961 A CN201610117961 A CN 201610117961A CN 105606375 A CN105606375 A CN 105606375A
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- China
- Prior art keywords
- head
- adjusting rod
- intensity test
- measuring force
- seat
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a head force measurement device for a car roof compressive strength test. The head force measurement device comprises a head measurement unit, an overload protection unit, a support unit and a base. The head measurement unit comprises a head model and a force measurement sensor which are connected. The support unit comprises a supporting rod and an adjusting rod which are slidingly connected and are positioned via a fastening bolt. The supporting rod is fixedly connected with the base. The adjusting rod is fixedly connected with the overload protection unit. The overload protection unit comprises an upper seat, a lower seat, a preload bolt, a preload nut and a spring. The upper seat and the lower seat are connected via the preload bolt and the preload nut. The spring is located between the upper seat and the lower seat and sleeves the preload bolt. The upper load is connected with the force measurement sensor, and the lower seat is connected with the adjusting rod. The head force measurement device of the invention has the flexible multi-direction adjusting function, can be mounted on vehicles with different sizes, has wide application range, has the overload protection function, and achieves low cost and high efficiency.
Description
Technical field
The invention belongs to automobile safety test field, especially a kind of head for roof intensity testPortion's device for measuring force.
Background technology
New the United States Federal's motor vehicle regulation (FMVSS) is in automobile top intensity test method(FMVSS216a) in clause, specify, automobile top is carried out in loading procedure, the 50 percentageMale sex dummy's head suffered compression stress in position must not exceed 222N, otherwise judges that result of the test is as not passing through.Be intended to avoid the roof after occupant's head and distortion to come in contact for this regulation, exist to alleviate passengerIn roll accident, head is subject to the probability of grievous injury. According to requiring, carrying out the survey of automobile top compression strengthWhen examination, need to be in car securement head device for measuring force, the Research Requirements of this device is urgent.
Summary of the invention
In view of this, the present invention is intended to propose a kind of dress of the head dynamometry for roof intensity testPut.
For achieving the above object, technical scheme of the present invention is achieved in that
For a head device for measuring force for roof intensity test, comprise from top to bottom connecting successivelyHead measurement unit, overload protection unit, support unit and base;
Described head measurement unit comprises interconnective head model and force cell, described head mouldType is positioned at force cell top;
Described support unit comprises the support bar and the adjusting rod that are slidably connected and locate by fastening bolt, instituteState support bar and vertically arrange, be connected with described base, described adjusting rod and described overload protection unit are connected;
Described overload protection unit comprises the seat of honour, lower, pretension bolt, pre-load nut and spring, described inThe seat of honour is connected with pre-load nut by described pretension bolt with lower, described spring be positioned at the described seat of honour and underBetween seat, be enclosed within described pretension bolt outside; The described seat of honour is connected with described force cell, described underSeat is connected with described adjusting rod.
Further, described support bar is trough aluminium alloy section bar, and described adjusting rod is provided with slide block, described inSlide block is positioned at the groove of described support bar, is slidably connected with described support bar, and cost is low.
Further, on described adjusting rod, have through hole, fastening bolt connects through described through hole and described slide blockConnect, through hole has multiple, can slide block and adjusting rod between relative position adjustable.
Further, described adjusting rod is square tube, with described lower be weldingly connected.
Further, described pretension bolt has six, is all welded to connect described locking nut with the described seat of honourBe positioned at described lower below.
Further, be at least provided with four equally distributed support columns on described base, described support column is verticalArrange, be connected with described base sliding, and pass through Bolt to position.
Further, be fixed with a few font plates on described base, described support column is positioned at described a few font platesIn groove.
Further, described base comprises the adjustable crossbeam of relative position, longeron and tie-beam; Described crossbeamHorizontally disposed with longeron, surround rectangular frame, described tie-beam and described longeron are arranged in parallel, two ends withDescribed crossbeam connects, and described support bar is connected on described tie-beam.
Further, described crossbeam, longeron and tie-beam are trough of belt aluminium alloy extrusions, to reduce costs.
Further, the material of described head model is aluminium alloy.
With respect to prior art, a kind of head dynamometry for roof intensity test of the present inventionDevice has following advantage: support unit can regulate vertical position, base crossbeam, longeron and tie-beamRelative position also adjustable, there is multidirectional regulatory function flexibly, can realize this device at different sizeInstallation on vehicle, applied widely, and there is overload protection function, cost is low, efficiency is high.
Brief description of the drawings
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, of the present inventionSchematic description and description is used for explaining the present invention, does not form inappropriate limitation of the present invention. ?In accompanying drawing:
Fig. 1 is general illustration of the present invention;
Fig. 2 is the schematic diagram of head measurement of the present invention unit;
Fig. 3 is the schematic diagram of support unit of the present invention;
Fig. 4 is the schematic diagram of overload protection unit of the present invention;
In figure: 1-head measurement unit, 11-head model, 12-force cell, 2-overload protection listUnit, 21 seats of honour, lower of 22-, 23-pretension bolt, 24-pre-load nut, 25-spring, 3-support unit,34-fastening bolt, 31-support bar, 32-adjusting rod, 33-slide block, 34-fastening bolt, 4-base,41-crossbeam, 42-longeron, 43-tie-beam, a few font plates of 44-, 5-support column.
Detailed description of the invention
It should be noted that, in the situation that not conflicting, the spy in embodiment and embodiment in the present inventionLevy and can mutually combine.
In description of the invention, it will be appreciated that, term " " center ", " longitudinally ", " laterally "," on ", D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ",Orientation or the position relationship of the instruction such as " top ", " end ", " interior ", " outward " are based on shown in accompanying drawingOrientation or position relationship, be only the present invention for convenience of description and simplified characterization, instead of instruction or darkThe device or the element that show indication must have specific orientation, construct and operation with specific orientation, thereforeCan not be interpreted as limitation of the present invention. In addition, term " first ", " second " etc. are only for describingObject, and can not be interpreted as instruction or hint relative importance or implicit indicate indicated technical charactericticQuantity. Thus, the feature that is limited with " first ", " second " etc. can be expressed or impliedly wrapDraw together one or more these features. In description of the invention, except as otherwise noted, " multiples' "Implication is two or more.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term" installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, alsoCan be to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection; CanTo be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand above-mentioned term in the present invention by concrete conditionIn concrete meaning.
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
As shown in Figure 1, a kind of head device for measuring force for roof intensity test, is characterized in that:Comprise the head measurement unit 1, overload protection unit 2, support unit 3 and that connect successively from top to bottomBase 4;
As shown in Figure 2, head measurement unit 1 comprises interconnective head model 11 and force-measuring sensingDevice 12, head model 11 is positioned at force cell 12 tops; The material of head model 11 is aluminium alloy;
As shown in Figure 3, support unit 3 comprises the support that is slidably connected and locates by fastening bolt 34Bar 31 and adjusting rod 32, support bar 31 is vertically arranged, is connected with base 1, adjusting rod 32 and overloadProtected location 2 is connected;
As shown in Figure 4, overload protection unit 2 comprises the seat of honour 21, lower 22, pretension bolt 23, pre-Jack panel 24 and spring 25, the seat of honour 21 and lower 22 connect by pretension bolt 23 and pre-load nut 24Connect, spring, between the seat of honour 21 and lower 22, is enclosed within pretension bolt 24 outsides; The seat of honour 21 and surveyPower sensor 12 is connected, and lower seat 22 is connected with adjusting rod 32.
Support bar 31 is trough aluminium alloy section bar, and adjusting rod 32 is provided with slide block 33, and slide block 33 is positioned atIn the groove of support bar 31, be slidably connected with support bar 31, cost is low.
On adjusting rod 32, have through hole, fastening bolt 34 is connected with slide block 33 through through hole, and through hole hasMultiple, the relative position between slide block 33 and adjusting rod 32 is adjustable.
Adjusting rod 32 is square tube, with lower 22 be weldingly connected.
Pretension bolt 23 has six, is all welded to connect with the seat of honour 21, and locking nut 24 is positioned at lower 22Below.
On base 4, be at least provided with four equally distributed support columns 5, support column 5 is vertically arranged, the end of withSeat 4 is slidably connected, and passes through Bolt to position.
On base 4, be fixed with a few font plates 44, support column 5 is positioned at the groove of a few font plates 44,Dagger 5 is connected with automotive seat by stay.
Base 4 comprises the adjustable crossbeam of relative position 41, longeron 42 and tie-beam 43; Crossbeam 41 HesLongeron 42 is horizontally disposed, surrounds rectangular frame, and tie-beam 43 is arranged in parallel with longeron 42, two ends withCrossbeam 41 connects, and support bar 31 is connected on tie-beam 43.
Crossbeam 41, longeron 42 and tie-beam 43 are trough of belt aluminium alloy extrusions, to reduce costs.
When the present invention uses, install and regulate according to order from bottom to top.
When installation, unclamp the bolt of fixing a few font plates 44 and stay, adjust support column and stayPosition, utilize chair mounted hole by stay with being bolted on vehicle body chair mounted hole. Then willBase leveling, locks all bolts.
In the time that needs regulate vertical position, unclamp fastening bolt 34, adjusting rod 32 is adjusted up and down,Then lock fastening bolt 34; The relative position of crossbeam 41, longeron 42 and tie-beam 43 simultaneouslyAdjustable, can regulate head measuring unit 1 laterally, lengthwise position, there is multidirectional regulatory work flexiblyCan, can realize the installation of this device on different size vehicle.
In the time regulating the lock position of pre-load nut 24, i.e. the decrement of adjustable springs 25, therebyBetween the seat of honour 21 and lower 22, produce a compression stress, this power is for the antagonistic spring 25 each units in topThe deadweight of part and the loading force of 250N. After installation, force cell 12 is connected with equipment,Can start test. In the time that the suffered load of head is no more than limit value, because being subject to load, spring 25 do not surpassOvercompression power, whole device can not change position; In the time that the suffered load of head exceedes limit value, spring 5Will be compressed, the suffered load of head can acutely not increase, and exceeding before specified year, equipment just can be givenGo out instruction and stop loading, thereby avoid the damage of force cell 12. The present invention has assisted U.S.'s connectionWhen the motor vehicle regulation FMVSS216a of nation automobile top intensity test, limit value is 250N
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all at thisWithin the spirit and principle of invention, any amendment of doing, be equal to replacement, improvement etc., all should be included inWithin protection scope of the present invention.
Claims (10)
1. for a head device for measuring force for roof intensity test, it is characterized in that: comprise fromThe head measurement unit (1), overload protection unit (2), the support unit (3) that top to bottm connect successivelyAnd base (4);
Described head measurement unit (1) comprises interconnective head model (11) and force cell(12), described head model (11) is positioned at force cell (12) top;
Described support unit (3) comprises the support bar that is slidably connected and passes through fastening bolt (34) location(31) and adjusting rod (32), described support bar (31) is vertically arranged, solid with described base (1)Connect, described adjusting rod (32) is connected with described overload protection unit (2);
Described overload protection unit (2) comprise the seat of honour (21), lower (22), pretension bolt (23),Pre-load nut (24) and spring (25), the described seat of honour (21) and lower (22) are by described pretensionBolt (23) is connected with pre-load nut (24), and described spring is positioned at the described seat of honour (21) and lower (22)Between, be enclosed within described pretension bolt (24) outside; The described seat of honour (21) and described force cell (12)Be connected, described lower (22) are connected with described adjusting rod (32).
2. a kind of head device for measuring force for roof intensity test according to claim 1,It is characterized in that: described support bar (31) is trough aluminium alloy section bar, and described adjusting rod is established on (32)Have slide block (33), described slide block (33) is positioned at the groove of described support bar (31), with described supportBar (31) is slidably connected.
3. a kind of head device for measuring force for roof intensity test according to claim 2,It is characterized in that: described adjusting rod has through hole on (32), described in described fastening bolt (34) passesThrough hole is connected with described slide block (33).
4. a kind of head device for measuring force for roof intensity test according to claim 1,It is characterized in that: described adjusting rod (32) is square tube, is weldingly connected with described lower (22).
5. a kind of head device for measuring force for roof intensity test according to claim 1,It is characterized in that: described pretension bolt (23) has six, be all welded to connect with the described seat of honour (21),Described locking nut (24) is positioned at described lower (22) below.
6. according to a kind of head for roof intensity test described in any one in claim 1-5Portion's device for measuring force, is characterized in that: on described base (4), be at least provided with four equally distributed supportsPost (5), described support column (5) is vertically arranged, is slidably connected, and passes through with described base (4)Bolt to position.
7. a kind of head device for measuring force for roof intensity test according to claim 6,It is characterized in that: on described base (4), be fixed with a few font plates (44), described support column (5) positionIn the groove of described a few font plates (44).
8. according to a kind of head for roof intensity test described in any one in claim 1-5Portion's device for measuring force, is characterized in that: described base (4) comprise the adjustable crossbeam of relative position (41),Longeron (42) and tie-beam (43); Described crossbeam (41) and longeron (42) are horizontally disposed, surroundRectangular frame, described tie-beam (43) is arranged in parallel with described longeron (42), two ends and described crossbeam(41) connect, described support bar (31) is connected on described tie-beam (43).
9. a kind of head device for measuring force for roof intensity test according to claim 8,It is characterized in that: described crossbeam (41), longeron (42) and tie-beam (43) are trough of belt aluminium alloySection bar.
10. according to a kind of head for roof intensity test described in any one in claim 1-5Portion's device for measuring force, is characterized in that: the material of described head model (11) is aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610117961.XA CN105606375B (en) | 2016-03-02 | 2016-03-02 | A kind of head device for measuring force for roof intensity test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610117961.XA CN105606375B (en) | 2016-03-02 | 2016-03-02 | A kind of head device for measuring force for roof intensity test |
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| Publication Number | Publication Date |
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| CN105606375A true CN105606375A (en) | 2016-05-25 |
| CN105606375B CN105606375B (en) | 2019-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610117961.XA Active CN105606375B (en) | 2016-03-02 | 2016-03-02 | A kind of head device for measuring force for roof intensity test |
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Cited By (4)
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| CN106501004A (en) * | 2016-10-13 | 2017-03-15 | 宁波吉利汽车研究开发有限公司 | A kind of head model pressure test device |
| CN107167384A (en) * | 2017-05-16 | 2017-09-15 | 中国包装科研测试中心 | Simulate the carton clamping experimental provision of hydraulic pressure carrying fork truck |
| CN112393916A (en) * | 2020-10-15 | 2021-02-23 | 东风汽车集团有限公司 | Test device and test method for roof strength |
| CN114235438A (en) * | 2021-12-22 | 2022-03-25 | 上海机动车检测认证技术研究中心有限公司 | Testing device for simulating head extrusion stress of passenger |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501004A (en) * | 2016-10-13 | 2017-03-15 | 宁波吉利汽车研究开发有限公司 | A kind of head model pressure test device |
| CN107167384A (en) * | 2017-05-16 | 2017-09-15 | 中国包装科研测试中心 | Simulate the carton clamping experimental provision of hydraulic pressure carrying fork truck |
| CN107167384B (en) * | 2017-05-16 | 2023-11-21 | 中国包装科研测试中心 | Carton clamping experimental device for simulating hydraulic forklift transportation |
| CN112393916A (en) * | 2020-10-15 | 2021-02-23 | 东风汽车集团有限公司 | Test device and test method for roof strength |
| CN112393916B (en) * | 2020-10-15 | 2022-02-15 | 东风汽车集团有限公司 | Test device and test method for roof strength |
| CN114235438A (en) * | 2021-12-22 | 2022-03-25 | 上海机动车检测认证技术研究中心有限公司 | Testing device for simulating head extrusion stress of passenger |
| CN114235438B (en) * | 2021-12-22 | 2024-05-28 | 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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| Publication number | Publication date |
|---|---|
| CN105606375B (en) | 2019-01-01 |
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Address after: No. 68, Xianfeng East Road, Dongli District, Tianjin 300000 Patentee after: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER Co.,Ltd. Address before: 300000 Tianjin city Dongli District Tianshan Road intersection Cheng linzhuan (Cheng linzhuan Road) Patentee before: CHINA AUTOMOTIVE TECHNOLOGY & RESEARCH CENTER |
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Effective date of registration: 20200507 Address after: Room 602, 6th floor, scientific research building, No. 68, Xianfeng East Road, Dongli District, Tianjin 300000 Patentee after: CNR software evaluation (Tianjin) Co.,Ltd. Address before: No. 68, Xianfeng East Road, Dongli District, Tianjin 300000 Patentee before: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER Co.,Ltd. |