CN105043708A - Dummy pleural region calibration test device - Google Patents
Dummy pleural region calibration test device Download PDFInfo
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- CN105043708A CN105043708A CN201510557789.5A CN201510557789A CN105043708A CN 105043708 A CN105043708 A CN 105043708A CN 201510557789 A CN201510557789 A CN 201510557789A CN 105043708 A CN105043708 A CN 105043708A
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Abstract
The invention provides a dummy pleural region calibration test device comprising a machine frame, a test member installing mesa, a lifting mechanism, a releasing device and a drop hammer. The releasing device comprises a sucking disc type electromagnet and a sucking disc. The releasing device is connected with the lifting mechanism. The drop hammer is connected with the sucking disc. According to the dummy pleural region calibration test device, the lifting mechanism is arranged on the machine frame, height of the drop hammer can be quite conveniently adjusted via the lifting mechanism, the test member installing mesa and the lifting mechanism are fixed on one machine frame, and the location between the test member installing mesa and the lifting mechanism is relatively fixed and guide columns are arranged at the two sides so that dummy costa is installed on the test member installing mesa in test and the drop hammer is lifted to the designated height via the lifting mechanism without adjusting the position, and the front surface of the drop hammer is enabled to impact on the test member when the drop hammer drops down. The calibration test is performed on the dummy costa by adopting the test device so as to be convenient, rapid and great in repeatability, and test time can be effectively saved and work efficiency can be enhanced.
Description
Technical field
The present invention relates to traffic safety test field, particularly a kind of test unit for demarcating automobile flank in passive security test.
Background technology
Impact test belongs to the research range of passive security, and its object mainly checks the protective capability of people-transport's means of transport (as aircraft, steamer, automobile) when meeting accident to occupant (as aircraft collision, the liner struck against a rock, automobile impacting etc.).At present; external existing research institution by installing acquisition system on people-transport's means of transport; collect real data when fortuitous event occurs; and utilize Artificial simulative experiments device to reproduce real data by impact test in testing laboratory, for checking and passing judgment on the protective capability of people-transport's means of transport to occupant.
Due to the danger of impact test, make to use true man to carry out impact test.As far back as the sixties in 20th century, foreign study mechanism is on the basis of a large amount of autopsy work, according to the kinematic behavior of human body and the quality size etc. at each position, manufacture test and use dummy, true man are replaced to be used for passive security impact test, the damage that occupant is subjected under something unexpected happened of simulation people-transport means of transport, and crash data is gathered out, for assessment of the degree of impairment of collision to human body by the sensor that each position of dummy is equipped with.At present, various countries put into effect regulation in succession, to all corresponding testing requirements of the security of each manned means of transport, and dummy's model of regulation test and test method.For automobile industry, " passenger protection of frontal crash of vehicles " GB11551-2014 specifies that central collision test adopts H350% dummy.Therefore, whether the test security performance that the sensor accuracy that biological fitness quality and each position of dummy of dummy are equipped with is directly connected to vehicle can obtain correct assessment, thus can the lives and properties being also related to occupant or pedestrian be effectively protected.Therefore, the sensor that the biological fitness of correct evaluation and warranty test dummy and each position of dummy are equipped with is an important content of people-transport's means of transport passive security research work, and to demarcate testing dummy be ensure its one of biological fitness and dummy's key measure being equipped with sensor accuracy.
For the passive security research of automobile, testing with dummy is that passive security test is (as real vehicle collision test, seat crash is tested, occupant restrain system match test, air bag match test etc.) in indispensable testing apparatus, test parameters in order to evaluate human injury's index and occupant restrain system effect in above-mentioned test all needs the sensor collection be equipped with by each position of dummy, and once the precision of sensor exceedes tolerance, test the test result obtained also just inaccurate, also just there is error accordingly in the evaluation finally provided, and then affect the life security of user.Therefore, need regularly to demarcate the sensor that each position of dummy is equipped with, guarantee the accuracy of dummy institute image data.Simultaneously, some standards and regulation also have concrete regulation to the demarcation of testing dummy, such as, E part in CFR572 and ECER94 annex 10 all define the calibrating procedure of HybridIII50% male sex dummy, in addition, all need to carry out a rating test to testing dummy after domestic and international each large regulation (as ECE, C-NCAP etc.) all defines every twice impact test, if dummy's a certain position injury index reaches in test or exceeds the low performance limit value of regulation, this position also should re-start demarcation.
Chinese utility model patent (patent No.: 201120525266.X) discloses a kind of dummy's rib demarcation percussion device, aims to provide a kind of impingement position and easily locates, easy to operate rib demarcation percussion device.It comprises lifting rope, web member, rib demarcation impact block, described web member one end is fixedly connected with lifting rope, the other end is provided with the adhesive face demarcated impact block with rib and be connected, absorption and the release of impact block is demarcated, to complete dummy's rib rating test by realizing rib to the power on/off of electromagnet.This dummy's rib demarcation with percussion device in use, directly web member is fixed on lifting rope, position and the length of constantly removing adjustment lifting rope is needed when regulating collision height, and because impact block leads without guide rail, be in free falling body state completely, the attitude of uncontrollable impact block in freely falling body process at all, the test condition realizing impact crater frontal impact rib is difficult to when actual tests, test repeatability extreme difference, therefore, need repeatedly to debug in process of the test, operate very inconvenient.And for dummy calibration test, the stability of test and repeatability and equipment is an extremely important index.Thus, there is larger problem in actual use in this system.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide and a kind ofly highly can regulating collision, leading to dropping hammer, effectively can prevent from pounding dummy's flank rating test device that inclined problem occurs.
For achieving the above object and other relevant objects, the invention provides a kind of dummy's flank rating test device, table top installed by test specimen, and described test specimen installs table top for installing dummy's flank, described test specimen is installed table top and is provided with fixture, and described test specimen is installed table top and is connected with frame; Hoisting gear, described hoisting gear comprises ratchet, wire rope, pulley blocks and hoisting frame, one end of described wire rope is connected with described ratchet, the other end of described wire rope is connected with described hoisting frame, described pulley blocks is positioned at described hoisting frame on a crossbeam and is positioned at above described test specimen mounting platform, described hoisting gear and a releasing means be connected; Drop hammer, described in drop hammer and to be connected with described sucker, described in the both sides of dropping hammer be provided with guidepost, described guidepost is connected with described frame, and described hoisting frame, the both sides of dropping hammer are equipped with orienting sleeve, and described hoisting frame, dropping hammer is slidably connected with described guidepost.
Preferably, described ratchet is connected with one handle, and described frame is also provided with a scale.
Preferably, described ratchet is connected with a motor, described frame is also provided with a stay cord scrambler, and the stay cord end of described stay cord scrambler is connected with described hoisting frame.
Preferably, described frame is provided with a bracket, and described bracket is provided with pallet, and described bracket is rotatable to be fixed in described frame, and described bracket is positioned at described test specimen and installs above table top.
Preferably, described in drop hammer and be provided with original screen panel, described frame is provided with correlation photoelectric sensor, and described original screen panel is corresponding with described correlation photoelectric sensor position.
As mentioned above, dummy's flank rating test device of the present invention has following beneficial effect: this dummy's flank rating test device arranges hoisting gear in frame, can be regulated the height dropped hammer very easily by hoisting gear, test specimen is installed table top, hoisting gear is fixed in a frame, position is between the two relatively fixing, and both sides are provided with guidepost, only dummy's rib need be arranged on test specimen so at the trial installs on table top, by hoisting gear by drop hammer lifting to specified altitude assignment, without the need to regulating its position, fall just can make its frontal impact on test specimen as long as drop hammer.Adopt this test unit to carry out rating test to dummy's rib convenient, fast, reproducible, effectively can save test period, increase work efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the enlarged diagram at A place in Fig. 1.
Fig. 3 is the structural representation of embodiment of the present invention releasing means.
Element numbers explanation
1, frame 2, test specimen table top 3 be installed, drop hammer 4, scale 5, guidepost 6, crossbeam 7, pulley blocks 8, hoisting frame 9, releasing means 10, pallet 11, wire rope 12, fixture 13, ratchet 14, handle 15, original screen panel 16, correlation photoelectric sensor 17, sucked type electromagnet 18, sucker.
Embodiment
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this instructions can understand other advantages of the present invention and effect easily.
Refer to Fig. 1 to Fig. 3.Notice, structure, ratio, size etc. that this instructions institute accompanying drawings illustrates, content all only in order to coordinate instructions to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this instructions as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
As shown in Figure 1, 2, the invention provides a kind of flank rating test device, this flank rating test device comprises frame 1, frame 1 is provided with test specimen table top 2 is installed, test specimen is installed table top 2 and is positioned in the middle part of frame 1 amount, test specimen installs table top 2 for installing dummy's flank, and test specimen installation table top 2 is provided with the fixture 12 for fixing dummy's flank.Frame 1 is also provided with a hoisting gear, this hoisting gear comprises ratchet 13, wire rope 11, pulley blocks 7 and hoisting frame 8, one end of wire rope 11 is connected with ratchet 13, the other end of wire rope 11 is walked around pulley blocks 7 and is connected with hoisting frame 8 afterwards, pulley blocks 7 is positioned on a crossbeam 6, ratchet 13, crossbeam 6 are connected with frame 1, and hoisting frame 8 is positioned at the top of test specimen mounting platform 2.Drive hoisting frame 8 to move up and down by rotating ratchet 13 by wire rope 11, so just hoisting frame 8 can be promoted to the height of regulation.As a kind of embodiment, manual mode rotating ratchet can be adopted, ratchet 13 is connected with one handle 14, by handle 14 rotating ratchet 13, a scale 4 is set in frame 1 simultaneously, determine by scale 4 height that hoisting frame 8 promotes.As another kind of embodiment, also can automatic controlled height, ratchet 13 is connected with a motor, and in frame 1, install a stay cord scrambler, the stay cord end of stay cord scrambler is connected with hoisting frame simultaneously.Stay cord scrambler, motor are all connected with controller, measure the height of lifting like this by stay cord scrambler, can realize the highly automated adjustment of hoisting frame 8.
Hoisting frame 8 is connected with a releasing means 9, releasing means 9 comprises a sucked type electromagnet 17 and a sucker 18(as shown in Figure 3), sucker 18 is also provided with hook, and sucker 18 3 to be connected (sucker that the dummy for different model need select different model) with dropping hammer by hook.When sucked type electromagnet 17 is energized, hold sucker 18, drop hammer 3, when 17 power-off of sucked type electromagnet, sucker 18 loses its reliss, and drops hammer like this 3 will free-falling to make its frontal impact be arranged on test specimen to install dummy's rib of table top 2.Due in the process of installing test specimen, dropping hammer 3 likely occurs swinging, and drops hammer like this 3 directly to fall and just can pound again partially, can not act directly on dummy's rib, thus cause test failure.Therefore can drop hammer 3 both sides be provided with guidepost 5, guidepost 5 is connected with frame 1, hoisting frame 8, drop hammer 3 both sides be equipped with orienting sleeve, orienting sleeve and guidepost 5 are slidably matched, hoisting frame 8, dropping hammer 3 is slidably connected with guidepost, dropping hammer 3 is all at every turn fall along guidepost, so just can effectively avoid dropping hammer and pound inclined problem, make the repeatability of test become better.
In process of the test, due to the reason such as power-off, maloperation, 3 unexpected whereabouts of dropping hammer may be caused again, so just likely the person is damaged, a bracket can be set in frame 1 for this reason, bracket arranges pallet 10, and bracket is rotatable to be fixed in frame, and bracket is positioned at the top that table top 2 installed by test specimen.Pallet 10 can swing back and forth, when this flank rating test device is in the process of installing test specimen or when not using, pallet 10 can be moved to drop hammer 3 below, will drop hammer and 3 to hold, pallet 10 Height Adjustable.Can arrange original screen panel 15 dropping hammer on 3, frame 1 arranges correlation photoelectric sensor 16, and original screen panel 15 is corresponding with correlation photoelectric sensor 16 position.Original screen panel 15 with drop hammer 3 whereabouts time through correlation photoelectric sensor 16, speed when dropping hammer 3 shock dummy rib can be measured like this.
The rib demand of demarcating that this rib calibrating table hits dummy for ES-2 side designs, and can meet latest edition GB20071-2006, the requirement of ECER95 and FMVSS214 related specifications.A whole set of calibration facility comprises rib Calibrating experimental bench and ES-2 rib demarcates auxiliary accessories and data acquisition and analysis system.The impact that rib calibration facility auxiliary accessories comprises the different quality that two can be changed is dropped hammer, and is respectively 7.78kg and 1.0kg, is all and has certain thickness cylindrical structure.
This dummy's flank rating test device arranges hoisting gear in frame, can be regulated the height dropped hammer very easily by hoisting gear, test specimen is installed table top, hoisting gear is fixed in a frame, position is between the two relatively fixing, and both sides are provided with guidepost, only dummy's rib need be arranged on test specimen so at the trial installs on table top, by hoisting gear by drop hammer lifting to specified altitude assignment, without the need to regulating its position, falling just can make its frontal impact on test specimen as long as drop hammer.Adopt this test unit to carry out rating test to dummy's rib convenient, fast, reproducible, effectively can save test period, increase work efficiency.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (5)
1. dummy's flank rating test device, it is characterized in that, it comprises:
Table top installed by test specimen, and described test specimen installs table top for installing dummy's flank, and described test specimen is installed table top and is provided with fixture, and described test specimen is installed table top and is connected with frame;
Hoisting gear, described hoisting gear comprises ratchet, wire rope, pulley blocks and hoisting frame, one end of described wire rope is connected with described ratchet, the other end of described wire rope is connected with described hoisting frame, described pulley blocks is positioned at described hoisting frame on a crossbeam and is positioned at above described test specimen mounting platform, described hoisting gear and a releasing means be connected;
Drop hammer, described in drop hammer and to be connected with described sucker, described in the both sides of dropping hammer be provided with guidepost, described guidepost is connected with described frame, and described hoisting frame, the both sides of dropping hammer are equipped with orienting sleeve, and described hoisting frame, dropping hammer is slidably connected with described guidepost.
2. dummy's flank rating test device according to claim 1, is characterized in that: described ratchet is connected with one handle, described frame is also provided with a scale.
3. dummy's flank rating test device according to claim 1, is characterized in that: described ratchet is connected with a motor, and described frame is also provided with a stay cord scrambler, the stay cord end of described stay cord scrambler is connected with described hoisting frame.
4. dummy's flank rating test device according to claim 1, it is characterized in that: described frame is provided with a bracket, described bracket is provided with pallet, and described bracket is rotatable to be fixed in described frame, and described bracket is positioned at described test specimen and installs above table top.
5. dummy's flank rating test device according to claim 1, is characterized in that: described in drop hammer and be provided with original screen panel, described frame is provided with correlation photoelectric sensor, and described original screen panel is corresponding with described correlation photoelectric sensor position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510557789.5A CN105043708A (en) | 2015-05-29 | 2015-09-06 | Dummy pleural region calibration test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510289942 | 2015-05-29 | ||
| CN201510557789.5A CN105043708A (en) | 2015-05-29 | 2015-09-06 | Dummy pleural region calibration test device |
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| CN105043708A true CN105043708A (en) | 2015-11-11 |
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| CN201510557789.5A Pending CN105043708A (en) | 2015-05-29 | 2015-09-06 | Dummy pleural region calibration test device |
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| CN106197935A (en) * | 2016-08-29 | 2016-12-07 | 苏州方正工程技术开发检测有限公司 | Discharge duct anti-soft impulse testing machine |
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| CN106885675A (en) * | 2017-04-12 | 2017-06-23 | 浙江大学城市学院 | Lumbar vertebrae bone bursting fracture analog machine |
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| CN108287051A (en) * | 2017-12-29 | 2018-07-17 | 宁波宏协承汽车部件有限公司 | A kind of gravity test platform |
| CN109443686A (en) * | 2018-12-30 | 2019-03-08 | 江苏唯侓机器人科技有限公司 | A kind of novel Drop tester |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106197935A (en) * | 2016-08-29 | 2016-12-07 | 苏州方正工程技术开发检测有限公司 | Discharge duct anti-soft impulse testing machine |
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| CN106885675A (en) * | 2017-04-12 | 2017-06-23 | 浙江大学城市学院 | Lumbar vertebrae bone bursting fracture analog machine |
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| CN109443686A (en) * | 2018-12-30 | 2019-03-08 | 江苏唯侓机器人科技有限公司 | A kind of novel Drop tester |
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Application publication date: 20151111 |