CN103344402A - Gradation loading impact test device and impact method thereof - Google Patents
Gradation loading impact test device and impact method thereof Download PDFInfo
- Publication number
- CN103344402A CN103344402A CN2013102596537A CN201310259653A CN103344402A CN 103344402 A CN103344402 A CN 103344402A CN 2013102596537 A CN2013102596537 A CN 2013102596537A CN 201310259653 A CN201310259653 A CN 201310259653A CN 103344402 A CN103344402 A CN 103344402A
- Authority
- CN
- China
- Prior art keywords
- energy storage
- node unit
- instruction carriage
- base
- node
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses a gradation loading impact test device and an impact method of the gradation loading impact test device, and relates to the technical field of impact test devices. Two linear guide rails are arranged in parallel on a base. A test vehicle is arranged between the linear guide rails. The test vehicle and the base are connected through a graded energy storage device. The graded energy storage device comprises an elastic element and a plurality of graded energy storage node units. The graded energy storage node units are sequentially connected in series through the elastic element and then arranged on an auxiliary guide rail. Unlocking controllers matched with the graded energy storage node units in number are arranged on the auxiliary guide rail. A motor is arranged on the side, far away from the base, of the test vehicle. A waveform generator is arranged on the side, close to a test machine, of the base. By means of the gradation loading impact test device and the impact method of the gradation loading impact test device, the purposes that the equipment is simple and convenient to use, simple in structure and low in manufacturing cost, and a horizontal impact test can be accelerated continuously are achieved.
Description
Technical field
The present invention relates to the technical field of impact test apparatus.
Background technology
The purpose of impact test is security, reliability and the validity for examining test specimen under certain impact loading.Product will pass through impact test, to examine influence of the impact shock environment to each side such as structural strength, the fatigue properties of product, tolerance of the mechanical structure to shock environment to evaluate product before use of dispatching from the factory.Impact test can provide certain confidence level estimation from the ability for structurally and functionally bearing non-repeatability impact during transport and use to product, determine product to the adaptability of shock environment and the integrity of evaluation product structure.Shock machine is the most frequently used impact test apparatus.
General impact test apparatus is equipped with the clamping bench of test specimen using impact head with certain velocity shock, shock response accelerating curve peak value on test specimen is set to reach technical requirement with pulse width, the impact shock effect that reproduction use environment is produced to product to a certain extent, so that shock environment when simulating actually used.Existing impact test apparatus is mostly that instruction carriage is once loaded using multiple energy-storage travelling wave tubes, makes instruction carriage last with certain velocity shock test specimen.If patent name is linear acceleration and shock machine（ZL 200510041463.3）Disclose a kind of linear acceleration and shock machine, including horizontal linear guide rail and instruction carriage, instruction carriage is located in the experiment bassinet structure constituted in orbit along horizontal linear track motion by roller, the technical scheme of use is to be connected with a kind of stretch cord in the front end of instruction carriage, the other end of stretch cord is fixed on the fixture in front of instruction carriage, the rear end of instruction carriage connects a kind of pull rope, and the other end of pull rope is connected on winch.
Once loading starts after release that energy-storage travelling wave tube is very big to the active force of instruction carriage so that initial acceleration is very big, and not only instruction carriage can be adversely affected, and requires higher to the power of motor of loading, easily causes security incident.
The content of the invention
It is an object of the present invention to provide a kind of simple equipments, simple in construction, cheap, the hierarchical loading impact test apparatus and its impact method of acceleration level impact test can be continued.
A kind of hierarchical loading impact test apparatus, including base, be arranged in parallel two line slideways on base, the instruction carriage being placed between line slideway, connected between instruction carriage and base by being classified energy storage device, the classification energy storage device includes flexible member, several classification energy storage node units, and several classification energy storage node units are placed in auxiliary guide rail after being sequentially connected in series by flexible member, the solution lock controller that arrangement matches with classification energy storage node unit number in auxiliary guide rail；Side arrangement motor away from base on instruction carriage；Close to the side arrangement waveform generator of testing machine on base.
The section of the classification energy storage node unit of the present invention is I-shaped structure, including is classified energy storage node unit side, the classification energy storage node unit end face positioned at classification energy storage node unit side both sides by what connecting plate was connected；The classification energy storage node unit end face that two neighboring classification energy storage node unit passes through is in contact；Classification energy storage node unit is locked in auxiliary guide rail by being classified energy storage node unit side.
The line slideway of the present invention is two-orbit or monorail.
The flexible member of the present invention is spring or elastic string.
Based on the impact method of hierarchical loading impact test apparatus of the present invention, comprise the following steps：
Step one, thermal energy storage process：Instruction carriage is parked in close to the side of base, opens the solution lock controller between first order node unit and base, unlocks first order node unit, start motor, it is for linear motion on horizontal guide rail that motor hauls instruction carriage, while first order energy-storage travelling wave tube is stretched, starts thermal energy storage process；
Behind first order node motion to setting position, first order node and Auxiliary Track are fixed, open the solution lock controller that second level node unit is connected with first order node unit end face, using first order node as new starting point, motor hauls instruction carriage and continues for linear motion on horizontal guide rail, when the second level, node unit is moved to setting position, fixed second level node, open the solution lock controller that third level node unit is connected with second level node unit end face, using second level node as new starting point, motor hauls instruction carriage and continues for linear motion on horizontal guide rail, until the N grades of node units that pull-up is connected with instruction carriage；
The present invention uses above-mentioned technical proposal, has the following advantages that compared with prior art：
The present invention compensate for the shortcoming that normal impact experimental provision is unable to hierarchical loading, persistently accelerated, and major advantage is：Initial acceleration is small, can avoid the adverse effect of big initial acceleration；Classification energy storage can be realized, the power requirement to motor is also just reduced, has saved cost；It is sustainable classification accelerate, overcome the shortcoming that normal impact experimental provision can only be loaded once, with simple equipments, it is simple in construction, cheap the characteristics of.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is Fig. 1 side view.
Fig. 3 is the structural representation that the present invention completes first order energy storage.
Fig. 4 is the structural representation that the present invention completes second level energy storage.
Fig. 5 is the structural representation of release of shock wave shape generator completely of the invention.
Fig. 6 is the structural representation of present invention classification energy storage node unit.
In figure：1st, base；2nd, waveform generator；3rd, line slideway；4th, Auxiliary Track；5th, instruction carriage；6th, motor；7th, it is classified energy storage device；8th, flexible member；8-1, first order energy-storage travelling wave tube；8-2, second level energy-storage travelling wave tube；8-3, third level energy-storage travelling wave tube；9th, it is classified energy storage node unit；9-1, first order node unit；9-2, second level node unit；9-3, third level node unit；10th, it is classified energy storage node unit connecting plate；11st, it is classified energy storage node unit end face；12nd, it is classified energy storage node unit sideways.
Embodiment
Technical scheme is described in detail below in conjunction with the accompanying drawings：
As shown in Figure 1 and Figure 2, a kind of hierarchical loading impact test apparatus, including base 1, be arranged in parallel two line slideways 3 on base 1, the instruction carriage 5 being placed on line slideway 3, connect base 1 and the classification energy storage device 7 of instruction carriage 5, the classification energy storage device 7 includes flexible member 8, several classification energy storage node units 9, several classification energy storage node units 9 are placed in auxiliary guide rail 4 after being sequentially connected in series by flexible member 8, the solution lock controller that arrangement matches with the number of classification energy storage node unit 9 in auxiliary guide rail 4（Not depending on going out in figure）；Side arrangement motor 6 away from base 1 on instruction carriage 5；Close to the side arrangement waveform generator 2 of testing machine 5 on base 1.
As shown in fig. 6, the section of present invention classification energy storage node unit 9 is I-shaped structure, including energy storage node unit side 12, the classification energy storage node unit end face 11 positioned at 12 both sides of classification energy storage node unit side are classified by what connecting plate 10 was connected；Two neighboring classification energy storage node unit 9 can be fixedly connected or separate by being classified energy storage node unit end face 11；Classification energy storage node unit 9 can be locked in auxiliary guide rail 4 by being classified energy storage node unit side 12.
The line slideway 3 of the present invention is two-orbit or monorail.
The flexible member 8 of the present invention is spring or elastic string.
Based on the impact method of hierarchical loading impact test apparatus of the present invention, so that three-level is loaded as an example, comprise the following steps：
Step one, thermal energy storage process:As shown in Figure 3, on-test state, instruction carriage 5 is parked in close to the side of base 1, open the solution lock controller between first order node unit 9-1 and base 1, first order node unit 9-1 is unlocked, starts motor 6, it is for linear motion on horizontal guide rail 3 that motor 6 hauls instruction carriage 5, first order energy-storage travelling wave tube 8-1 is stretched simultaneously, starts thermal energy storage process；
After first order node unit 9-1 is moved to setting position, first order node 9-1 is locked with Auxiliary Track 4, open the solution lock controller that second level node unit 9-2 is connected with first order node unit 9-1 end faces, using first order node 9-1 as new starting point, motor 6 hauls instruction carriage 5 and continues for linear motion on horizontal guide rail 3, when the second level, node unit 9-2 is moved to setting position, fixed second level node 9-2, open the solution lock controller that third level node unit 9-3 is connected with second level node unit 9-2 end faces, using second level node 9-2 as new starting point, motor 6 hauls instruction carriage 5 and continues for linear motion on horizontal guide rail 3, until the third level node unit 9-3 that is connected with instruction carriage of pull-up is to setting position, and lock the unit and auxiliary guide rail, now instruction carriage 5 is in loaded state；
Impact process：As shown in figure 5, after the completion of working as all loading procedures all, instruction carriage 5 reaches that the velocity shock of setting is arranged on the waveform generator 2 on base 1.
As shown in fig. 6, being the classification schematic diagram of energy storage device 7.Including flexible member 8, classification energy storage node unit 9.Node unit is divided into 2 sections by middle connecting plate 10, and both sides connect previous stage flexible member end and next stage flexible member leading portion respectively.Auxiliary guide rail 4 is provided with controller in predeterminated position, and behavior is locked or unlocked in control node unit side 12 with Auxiliary Track, also controls the node unit end face to be locked and unblock behavior with adjacent node unit end face simultaneously.During thermal energy storage process, trigger controller locks node unit side and Auxiliary Track, while by unlocking the node unit end face and next stage node unit end face, the node unit and instruction carriage are unlocked；During loading procedure, trigger controller unlocks the node unit and Auxiliary Track sideways, while by locking the node unit and even higher level of node unit, the node unit and instruction carriage are locked.Control mode can be that travel switch is mechanical, and travel switch is triggered when node unit moves to setting position and realizes control；Can also be the triggering magnetic valve realization control when node unit moves to setting position of magnetic valve electromagnetic type.
Claims (5)
1. a kind of hierarchical loading impact test apparatus, it is characterised in that including base（1）, base（1）Two line slideways of upper parallel arrangement（3）, it is placed in line slideway（3）Between instruction carriage（5）, instruction carriage（5）With base（1）Between by being classified energy storage device（7）Connection, the classification energy storage device（7）Including flexible member（8）, several classification energy storage node units（9）, several classification energy storage node units（9）Pass through flexible member（8）Auxiliary guide rail is placed in after being sequentially connected in series（4）On, auxiliary guide rail（4）Upper arrangement and classification energy storage node unit（9）The solution lock controller that number matches；Instruction carriage（5）Upper remote base（1）Side arrangement motor（6）；Base（1）Upper close testing machine（5）Side arrangement waveform generator（2）.
2. hierarchical loading impact test apparatus according to claim 1, it is characterised in that above-mentioned classification energy storage node unit（9）Section be I-shaped structure, including pass through connecting plate（10）Connected classification energy storage node unit is sideways（12）, positioned at classification energy storage node unit sideways（12）The classification energy storage node unit end face of both sides（11）；Two neighboring classification energy storage node unit（9）The classification energy storage node unit end face passed through（11）It is in contact；It is classified energy storage node unit（9）By being classified energy storage node unit sideways（12）It is locked in auxiliary guide rail（4）On.
3. hierarchical loading impact test apparatus according to claim 1, it is characterised in that above-mentioned line slideway（3）For two-orbit or monorail.
4. hierarchical loading impact test apparatus according to claim 1, it is characterised in that above-mentioned flexible member（8）For spring or elastic string.
5. the impact method based on the hierarchical loading impact test apparatus described in claim 1, it is characterised in that comprise the following steps：
Step one, thermal energy storage process：Instruction carriage（5）It is parked in close to base（1）Side, open the solution lock controller between first order node unit and base, unlock first order node unit, start motor（6）, motor（6）Haul instruction carriage（5）In horizontal guide rail（3）It is upper for linear motion, while first order energy-storage travelling wave tube is stretched, start thermal energy storage process；
Behind first order node motion to setting position, first order node and Auxiliary Track are fixed, the solution lock controller that second level node unit is connected with first order node unit end face is opened, using first order node as new starting point, motor（6）Haul instruction carriage（5）In horizontal guide rail（3）Upper to continue for linear motion, when second level node unit is moved to setting position, fixed second level node opens the solution lock controller that third level node unit is connected with second level node unit end face, using second level node as new starting point, motor（6）Haul instruction carriage（5）In horizontal guide rail（3）It is upper to continue for linear motion, until the N grades of node units that pull-up is connected with instruction carriage；
Step 2, discharges process：N grades of node units are discharged first, give instruction carriage to accelerate, when instruction carriage is moved at N-1 grades of node units, by N-1 grades of node units from Auxiliary Track（4）Unblock, discharges N-1 grades of energy-storage travelling wave tubes, and N-1 grades of node units are passed through into its end face and instruction carriage simultaneously（5）Locking, is continued to instruction carriage by N-1 grades of energy-storage travelling wave tubes（5）Accelerate；So repeatedly, until discharging first order energy-storage travelling wave tube, and second level node unit and instruction carriage are locked；During this, instruction carriage, which is in, continues acceleration mode；
Step 3, impact process：When all release processes all after the completion of, instruction carriage（5）Reach that the velocity shock of setting is arranged on base（1）On waveform generator（2）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310259653.7A CN103344402B (en) | 2013-06-27 | 2013-06-27 | A kind of hierarchical loading impact test apparatus and impact method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310259653.7A CN103344402B (en) | 2013-06-27 | 2013-06-27 | A kind of hierarchical loading impact test apparatus and impact method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103344402A true CN103344402A (en) | 2013-10-09 |
| CN103344402B CN103344402B (en) | 2015-09-09 |
Family
ID=49279216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310259653.7A Expired - Fee Related CN103344402B (en) | 2013-06-27 | 2013-06-27 | A kind of hierarchical loading impact test apparatus and impact method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103344402B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759912A (en) * | 2014-01-07 | 2014-04-30 | 北京卫星环境工程研究所 | Pneumatic type horizontal shock platform |
| CN109186915A (en) * | 2018-08-22 | 2019-01-11 | 中国飞机强度研究所 | A kind of structural features big load impact test loading device and method |
| CN109870286A (en) * | 2017-12-04 | 2019-06-11 | 中国飞机强度研究所 | A kind of big stroke waveshape generating device of tandem |
| CN110631798A (en) * | 2019-11-01 | 2019-12-31 | 北京星航机电装备有限公司 | Flexible universal overload product for impact test |
| CN110686987A (en) * | 2019-10-09 | 2020-01-14 | 南京航空航天大学 | Dynamic load shearing test device and method for emergency disconnection self-sealing structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003139647A (en) * | 2001-10-31 | 2003-05-14 | Honda Motor Co Ltd | Vehicle collision testing apparatus |
| CN1544277A (en) * | 2003-11-11 | 2004-11-10 | 清华大学 | Automobile collision test device |
| CN101608970A (en) * | 2008-06-18 | 2009-12-23 | 上海奇谋能源技术开发有限公司 | The reproducing apparatus of automobile impact curve |
| KR20110013021A (en) * | 2009-07-31 | 2011-02-09 | 주식회사 성우하이텍 | Passive side impact test device for door module of vehicles |
| CN102616383A (en) * | 2012-04-19 | 2012-08-01 | 哈尔滨工业大学 | Multi-stage catapult-launching device |
-
2013
- 2013-06-27 CN CN201310259653.7A patent/CN103344402B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003139647A (en) * | 2001-10-31 | 2003-05-14 | Honda Motor Co Ltd | Vehicle collision testing apparatus |
| CN1544277A (en) * | 2003-11-11 | 2004-11-10 | 清华大学 | Automobile collision test device |
| CN101608970A (en) * | 2008-06-18 | 2009-12-23 | 上海奇谋能源技术开发有限公司 | The reproducing apparatus of automobile impact curve |
| KR20110013021A (en) * | 2009-07-31 | 2011-02-09 | 주식회사 성우하이텍 | Passive side impact test device for door module of vehicles |
| CN102616383A (en) * | 2012-04-19 | 2012-08-01 | 哈尔滨工业大学 | Multi-stage catapult-launching device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759912A (en) * | 2014-01-07 | 2014-04-30 | 北京卫星环境工程研究所 | Pneumatic type horizontal shock platform |
| CN103759912B (en) * | 2014-01-07 | 2017-02-08 | 北京卫星环境工程研究所 | Pneumatic type horizontal shock platform |
| CN109870286A (en) * | 2017-12-04 | 2019-06-11 | 中国飞机强度研究所 | A kind of big stroke waveshape generating device of tandem |
| CN109186915A (en) * | 2018-08-22 | 2019-01-11 | 中国飞机强度研究所 | A kind of structural features big load impact test loading device and method |
| CN110686987A (en) * | 2019-10-09 | 2020-01-14 | 南京航空航天大学 | Dynamic load shearing test device and method for emergency disconnection self-sealing structure |
| CN110631798A (en) * | 2019-11-01 | 2019-12-31 | 北京星航机电装备有限公司 | Flexible universal overload product for impact test |
| CN110631798B (en) * | 2019-11-01 | 2021-07-02 | 北京星航机电装备有限公司 | Flexible universal overload product for impact test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103344402B (en) | 2015-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103344402A (en) | Gradation loading impact test device and impact method thereof | |
| RU2667998C1 (en) | During collision on railway transport energy absorbing telescopic device | |
| US3939691A (en) | Method and apparatus for impact testing railroad cars | |
| US9395264B2 (en) | Blunt impact test apparatus and method | |
| CN100385223C (en) | Linear acceleration and impact testing machine | |
| CN105946755A (en) | Automobile collision buffering and energy absorbing safety device and control method thereof | |
| CN105966417B (en) | Guide type anti-climbing energy-absorbing device used for rail vehicle and the rail vehicle with the device | |
| WO2019233335A1 (en) | Method for carrying out experiment on railway train coupler | |
| CN106596126A (en) | Transmitting device for linear impact equipment | |
| CN104859667A (en) | No-parking connection system for rail traffic | |
| WO2009053412A1 (en) | Testing device for simulating impact on tested objects | |
| KR101306967B1 (en) | Obstruction removal apparatus for train | |
| CN204526891U (en) | A kind of automotive seat and automobile | |
| CN207955662U (en) | A kind of rail vehicle and its front end crash energy absorption equipment | |
| US10401260B2 (en) | Frontal offset impact test system and method | |
| CN206664526U (en) | It is a kind of promptly to open ejection vehicle window device certainly | |
| CN109798038B (en) | Safety protection type subway emergency exit | |
| CN209459911U (en) | A kind of door reinforced structure device for detecting performance | |
| CN109080657B (en) | Railway vehicle and coupler box thereof | |
| CN208441563U (en) | A kind of preposition up-down cross sliding type multi-storied garage of driving | |
| CN206108612U (en) | Prevent goods lift of car incident that unexpected removal causes emergence | |
| CN104527474A (en) | Collision safety chair device with collision threshold induction function and operating method thereof | |
| CN203544022U (en) | Elastic buffer brake | |
| CN107515158A (en) | A kind of tension/compression testing device of mounting unit for passenger air bag | |
| CN211179364U (en) | EPP material testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20170627 |