CN202693249U - Sliding table collision test device - Google Patents
Sliding table collision test device Download PDFInfo
- Publication number
- CN202693249U CN202693249U CN 201220277980 CN201220277980U CN202693249U CN 202693249 U CN202693249 U CN 202693249U CN 201220277980 CN201220277980 CN 201220277980 CN 201220277980 U CN201220277980 U CN 201220277980U CN 202693249 U CN202693249 U CN 202693249U
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- China
- Prior art keywords
- slide unit
- sleeve
- guide rail
- riser
- push rod
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- Expired - Fee Related
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Abstract
The utility model discloses a sliding table collision test device which comprises a sliding table and a guide rail, wherein the sliding table is arranged at the front end of the guide rail; a transmitting device pushing the sliding table to move horizontally on the guide rail is arranged at the rear end of the sliding table; a buffer energy absorption device is fixed at the tail end of the guide rail; and the buffer energy absorption device comprises a base and an elastic energy absorption structure fixed with the base. The device disclosed by the utility model has the beneficial effect that the sliding table can be effectively prevented from sliding out of the guide rail due to the failure of the test of the sliding table, so that the equipment and laboratory and personal injury can be avoided.
Description
Technical field
The utility model relates to a kind of vehicle safety performance test unit, relates in particular to a kind of vehicle impact testing device.
Background technology
High speed development along with automobile industry, traffic safety is the common topic that countries in the world face, in order to strengthen the research of automotive safety, need to do a large amount of vehicle impact testings and analyze the properties of automobile, and the slide unit impact test is a kind of impact test common in the vehicle impact testing, general slide unit test unit comprises the mechanisms such as emitter, slide unit, guide rail, the platform of the rectangle that slide unit is comprised of steel plate is fixed with the vehicle body of test usefulness or dummy and is used for doing the simulating car collision experiment and uses above it.When doing automobile slide unit impact test, slide unit can stop after being subject to sliding a segment distance after the enormous impact power in the guide rail of design in theory, and in the actual tests process slide unit owing to caused the accident by the easy getaway of huge impact.
Chinese patent Granted publication number: CN202008434U; October 12 2011 Granted publication day; a kind of front trolley collision test device is disclosed; it comprises emitter; chassis; track; the chassis rear end is provided with the emitter that promotes the chassis tangential movement; the below of chassis is provided with fixed guide and the movable guiding rail that slides for chassis; the below of movable guiding rail is provided with hydraulic means and the guiding mechanism of control lifting rail; the front-end and back-end of chassis both sides are respectively equipped with carriage; the carriage of chassis both sides front end and movable guiding rail are flexibly connected; rear end, chassis both sides and fixed guide are flexibly connected; this apparatus structure connection and reasonable arrangement; simple to operate; the robotization control ability is strong and can the actual head-on crash process of more accurate simulating vehicle; its weak point is in the actual tests process; because guide rail end does not have protection mechanism, chassis can not cause the accident by getaway when chassis stopped by the expectation situation.
The utility model content
Slide unit skids off the deficiency that guide rail causes the accident to the utility model easily in the prior art in order to overcome, and provides a kind of and can prevent effectively that slide unit from skidding off guide rail, a kind of slide unit collision test device of avoiding accident to occur.
To achieve these goals, the utility model adopts following technical scheme:
A kind of slide unit collision test device, it comprises slide unit and guide rail, and slide unit places the front end of guide rail, and described slide unit rear end is provided with the emitter that promotes slide unit tangential movement on guide rail, and described guide rail end is fixed with crash energy absorption equipment.The energy that the slide unit test discharges is very large, slide unit skids off guide rail and can cause great destruction to equipment itself and laboratory in the process of the test, even the person caused serious infringement, therefore, guide rail end is fixed with the mechanical damping energy absorption device, can prevent effectively that slide unit from skidding off track, can also effectively absorb the kinetic energy of slide unit simultaneously, slide unit is stopped.
As preferably, described crash energy absorption equipment comprises pedestal and the elastic endergonic structure of fixing with pedestal, pedestal comprises base plate and riser, base plate and guide rail end bolt are fixed, the vertical one that is fixed into base plate of riser, described elastic endergonic structure comprises sleeve, push rod and spring, one end of sleeve is vertical with riser fixing, one end of described push rod stretches in the sleeve and forms clearance fit and be provided with each other position limiting structure with sleeve, the other end of push rod stretches out outside the sleeve and end face is fixed with a block, push rod is arranged with spring in the part that it stretches out sleeve, an end of described spring and the end contact of sleeve, and the other end contacts with block.The elastic endergonic structure, when slide unit and block collision, spring is compressed gradually, along with the increase of amount of spring compression, its enhancing gradually of acting force each other is until the slide unit stop motion, whole endergonic process is milder, has strengthened whole stability and the reliability of device.
As preferably, the both sides of described riser are outwards extended two perpendicular side plates in the same way, and the stiff end of described sleeve and riser is between two side plates and is provided with each other reinforcement, is provided with some stiffening rib between the opposite side of described riser and the base plate.Two side plates have been strengthened the intensity of riser, riser more can be resisted impulsive force by slide unit, reinforcement between side plate and the sleeve can be strengthened the effect that sleeve is subject to side force, stiffening rib between side plate and the base plate also is in order to improve the impact resistance of whole buffering energy-absorbing structure, and the stability of whole device and Practical Performance are also significantly strengthened.
As preferably, described sleeve one end is provided with flange, and sleeve is fixed by flange and riser bolt, and sleeve is axially arranged with one section groove from flange end along it, the socket end that stretches into of described push rod is provided with the projection corresponding with groove, and described groove and protruding clearance fit form position limiting structure.
Push rod slides in sleeve, position limiting structure can prevent that throw-out lever deviates from sleeve, also can prevent from causing push rod in sleeve, to rotate owing to discontinuity in the impact process very simple stability and the reliability that has but effectively strengthened whole crash energy absorption equipment of position limiting structure.
As preferably, the opposite face of described block stationary plane is provided with rubber slab.When slide unit and block collision, metal and metal bump are rigid collision, cause easily each other and knock damage, and slide unit to collide with rubber slab in when collision be exactly a kind of flexible impact, the rubber slab compression energy absorbs certain energy on the one hand, the damage of can not colliding with between slide unit and the crash energy absorption equipment in the process of collision on the other hand.
As preferably, described crash energy absorption equipment is a kind of bydraulic buffers.Bydraulic buffers is a kind of viscous damping effect that utilizes Fluid Flow in A, and transforming mechanical energy is interior energy, to prolong the action time of impact load, absorb and conversion impact load energy, so bydraulic buffers can effectively absorb the impulsive force of slide unit.
Therefore, the utility model prodigiosin effectively prevents the slide unit test failure, and slide unit skids off guide rail to equipment, laboratory and personal hurtful beneficial effect.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the utility model crash energy absorption equipment structural representation.
Among the figure: emitter 1 slide unit 2 guide rails 3 energy absorption devices 4 base plates 5 risers 6 stiffening rib 7 sleeves 8 push rods 9 blocks 10 springs 11 rubber slabs 12 grooves 13 projections 14.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described:
A kind of slide unit collision test device as shown in Figure 1, it comprises slide unit 2 and guide rail 3, slide unit places the front end of guide rail, the slide unit rear end is provided with the emitter 1 that promotes slide unit tangential movement on guide rail, guide rail end is fixed with crash energy absorption equipment 4, emitter provides kinetic energy to slide unit, and crash energy absorption equipment 4 comprises pedestal and the elastic endergonic structure of fixing with pedestal; As shown in Figure 2, pedestal comprises base plate 5 and riser 6, base plate and guide rail end bolt are fixed, the vertical one that is fixed into base plate of riser, the elastic endergonic structure comprises sleeve 8, push rod 9 and spring 11, one end of sleeve is vertical with riser fixing, one end of push rod stretches in the sleeve and forms clearance fit and be provided with each other position limiting structure with sleeve, push rod can slide freely in sleeve but can not break away from outside the sleeve, the other end of push rod stretches out outside the sleeve and end face is fixed with a block 10, push rod is arranged with spring 11 in its part of stretching out sleeve, an end of described spring and the end contact of sleeve, and the other end contacts with block.Compression deformation of the spring when block is subject to the impact of slide unit is the kinetic transformation of slide unit the elastic potential energy of spring, and slide unit is stopped, and plays the effect of buffering energy-absorbing; The both sides of riser 6 are outwards extended two perpendicular side plates in the same way, the stiff end of sleeve 8 and riser 6 is between two side plates and is provided with each other reinforcement, be provided with some stiffening rib 7 between the opposite side of described riser and the base plate, reinforcement has been strengthened the intensity between sleeve and the riser, strengthened the effect of the anti-side impacting force of sleeve, stiffening rib has been strengthened the intensity between riser and the base plate, has strengthened the intensity of whole pedestal; Sleeve 8 one ends are provided with flange, sleeve is fixed by flange and riser 6 bolts, sleeve is axially arranged with one section groove 13 from flange end along it, the socket end that stretches into of described push rod 9 is provided with the projection corresponding with groove 14, described groove and protruding clearance fit form position limiting structure, projection can be slided in groove freely, can prevent again when anti-throw-out lever breaks away from sleeve that throw-out lever is hit power section evenly and with respect to sleeve rotating, whole like this mechanism is more stable; Block is provided with rubber slab 12 at the opposing end surface of itself and push rod stiff end.To interact be a kind of flexible impact for slide unit and rubber slab during collision, can prevent from effectively that metal from colliding to cause knocking mutually to decrease or distortion.
Slide unit collision test device as shown in Figure 1, its using method is as follows: be fixed with the test vehicle body above the slide unit, interior of body is provided with the dummy, emitter provides kinetic energy so that slide unit slides at guide rail to slide unit, and the certain of situation on the estimation on guide rail stops, when running into fault and cause slide unit not have according to expectation situation to stop, slide unit just slides along guide rail always, until slide into the block collision of guide rail end and the crash energy absorption equipment front end that is fixed on guide rail end, block is in its fixing push rod retraction sleeve, spring on the push rod is compressed, be the kinetic transformation of slide block the elastic potential energy of spring, thereby make slide block finally stop at guide rail end, crash energy absorption equipment just prevents effectively that the slide unit of high-speed motion from skidding off guide rail and causing the accident like this.Therefore, the utility model prodigiosin effectively prevents the slide unit test failure, and slide unit skids off guide rail to equipment, laboratory and personal hurtful beneficial effect.
Crash energy absorption equipment in the utility model also can adopt bydraulic buffers, comprise pedestal, pedestal and guide rail end are fixed, be fixedly connected with oil cylinder on the pedestal, described oil cylinder comprises cylinder body, piston and throttling axle center, described piston is hollow piston and is sleeved on cylinder body one end and can being free to slide along cylinder body, the other end inside of described cylinder body is fixed with the throttling axle center, the throttling axle center has throttling channel, be provided with back-moving spring between throttling axle center and the piston, piston and throttling axle center are divided into high pressure chest and low pressure chamber to cylinder body, when slide unit slides when colliding piston at guide rail, the impact that fluid in the high pressure chest is subject to piston forms the extruding force effect through the throttling channel between throttling axle center and the piston, because crushing resistance and the viscosity of fluid, the mechanical energy of impacting finally is converted into heat energy and is dissipated in the air, and impulsive force disappearance back piston can automatically reset under the effect of back-moving spring on the piston area.
Claims (6)
1. slide unit collision test device, it comprises slide unit (2) and guide rail (3), and slide unit places the front end of guide rail, and described slide unit rear end is provided with the emitter (1) that promotes slide unit tangential movement on guide rail, it is characterized in that described guide rail end is fixed with crash energy absorption equipment (4).
2. a kind of slide unit collision test device according to claim 1, it is characterized in that, described crash energy absorption equipment (4) comprises pedestal and the elastic endergonic structure of fixing with pedestal, described pedestal comprises base plate (5) and riser (6), base plate and guide rail end bolt are fixed, the vertical one that is fixed into base plate of riser, described elastic endergonic structure comprises sleeve (8), push rod (9) and spring (11), one end of sleeve is vertical with riser fixing, one end of described push rod stretches in the sleeve and forms clearance fit and be provided with each other position limiting structure with sleeve, the other end of push rod stretches out outside the sleeve and end face is fixed with a block (10), push rod is arranged with spring (11) in its part of stretching out sleeve, one end of described spring and the end contact of sleeve, the other end contacts with block.
3. a kind of slide unit collision test device according to claim 2, it is characterized in that, the both sides of described riser (6) are outwards extended two perpendicular side plates in the same way, the stiff end of described sleeve (8) and riser (6) is between two side plates and is provided with each other reinforcement, is provided with some stiffening rib (7) between the opposite side of described riser and the base plate.
4. according to claim 2 or 3 described a kind of slide unit collision test devices, it is characterized in that, described sleeve (8) one ends are provided with flange, sleeve is fixed by flange and riser (6) bolt, sleeve is axially arranged with one section groove (13) from flange end along it, the socket end that stretches into of described push rod (9) is provided with the projection corresponding with groove (14), and described groove and protruding clearance fit form position limiting structure.
5. according to claim 2 or 3 described a kind of slide unit collision test devices, it is characterized in that described block is provided with rubber slab (12) at the opposing end surface of itself and push rod stiff end.
6. a kind of slide unit collision test device according to claim 1 is characterized in that, described crash energy absorption equipment is a kind of bydraulic buffers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220277980 CN202693249U (en) | 2012-06-13 | 2012-06-13 | Sliding table collision test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220277980 CN202693249U (en) | 2012-06-13 | 2012-06-13 | Sliding table collision test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202693249U true CN202693249U (en) | 2013-01-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220277980 Expired - Fee Related CN202693249U (en) | 2012-06-13 | 2012-06-13 | Sliding table collision test device |
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| Country | Link |
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| CN (1) | CN202693249U (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344407A (en) * | 2013-07-02 | 2013-10-09 | 浙江吉利汽车研究院有限公司杭州分公司 | Energy absorption device |
| CN103496568A (en) * | 2013-09-10 | 2014-01-08 | 安徽省银锐玻璃机械有限公司 | Shaft-shaped transfer track |
| CN103616153A (en) * | 2013-12-09 | 2014-03-05 | 重庆长安汽车股份有限公司 | Dynamic performance parameter benchmarking device of automobile thin-wall parts in collision experiment |
| CN105222978A (en) * | 2015-11-05 | 2016-01-06 | 哈尔滨工业大学 | A kind of impulse test weighted platform |
| CN105352694A (en) * | 2015-10-22 | 2016-02-24 | 海南大学 | Drop hammer for impact test for simulating energy consumption of impact body |
| CN105805216A (en) * | 2016-05-31 | 2016-07-27 | 江苏科技大学 | High-speed hydraulic buffering device for automobile crash test |
| CN105952840A (en) * | 2016-06-30 | 2016-09-21 | 苏州博众精工科技有限公司 | Multi-position fixed buffer |
| CN106224712A (en) * | 2016-08-31 | 2016-12-14 | 北京北机机电工业有限责任公司 | A kind of auxiliary support frame |
| CN106441778A (en) * | 2016-11-25 | 2017-02-22 | 陕西千山航空电子有限责任公司 | Collision impact testing system and method of recorder |
| CN106932209A (en) * | 2017-03-31 | 2017-07-07 | 上海机动车检测认证技术研究中心有限公司 | Automotive airbag acts on detection method by mistake |
| CN108168905A (en) * | 2017-12-26 | 2018-06-15 | 重庆旭乾通机械制造有限公司 | A kind of trolley test specimen protective device |
| CN109342074A (en) * | 2018-09-18 | 2019-02-15 | 中国汽车技术研究中心有限公司 | A kind of novel movable stand deceleration buffer device and method |
| CN110611415A (en) * | 2019-07-22 | 2019-12-24 | 航宇救生装备有限公司 | Linear permanent magnet eddy current speed reduction device |
| CN111595545A (en) * | 2017-03-07 | 2020-08-28 | 山东科技大学 | Multifunctional impact experiment method capable of continuously applying axial force |
| CN111929021A (en) * | 2020-09-16 | 2020-11-13 | 苏州世力源科技有限公司 | Method for providing horizontal impact force with extremely small transverse ratio |
| CN112903312A (en) * | 2021-02-01 | 2021-06-04 | 重庆长安汽车股份有限公司 | Braking device and method for automobile crash test |
| CN114720151A (en) * | 2022-04-15 | 2022-07-08 | 湖南大学 | Waveform-adjustable low-speed collision test system based on energy storage device |
-
2012
- 2012-06-13 CN CN 201220277980 patent/CN202693249U/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344407A (en) * | 2013-07-02 | 2013-10-09 | 浙江吉利汽车研究院有限公司杭州分公司 | Energy absorption device |
| CN103496568A (en) * | 2013-09-10 | 2014-01-08 | 安徽省银锐玻璃机械有限公司 | Shaft-shaped transfer track |
| CN103616153A (en) * | 2013-12-09 | 2014-03-05 | 重庆长安汽车股份有限公司 | Dynamic performance parameter benchmarking device of automobile thin-wall parts in collision experiment |
| CN105352694A (en) * | 2015-10-22 | 2016-02-24 | 海南大学 | Drop hammer for impact test for simulating energy consumption of impact body |
| CN105222978A (en) * | 2015-11-05 | 2016-01-06 | 哈尔滨工业大学 | A kind of impulse test weighted platform |
| CN105805216B (en) * | 2016-05-31 | 2017-09-08 | 江苏科技大学 | A kind of vehicle impact testing high-speed hydraulic buffer unit |
| CN105805216A (en) * | 2016-05-31 | 2016-07-27 | 江苏科技大学 | High-speed hydraulic buffering device for automobile crash test |
| CN105952840A (en) * | 2016-06-30 | 2016-09-21 | 苏州博众精工科技有限公司 | Multi-position fixed buffer |
| CN106224712A (en) * | 2016-08-31 | 2016-12-14 | 北京北机机电工业有限责任公司 | A kind of auxiliary support frame |
| CN106224712B (en) * | 2016-08-31 | 2018-03-20 | 北京北机机电工业有限责任公司 | A kind of auxiliary support frame |
| CN106441778A (en) * | 2016-11-25 | 2017-02-22 | 陕西千山航空电子有限责任公司 | Collision impact testing system and method of recorder |
| CN111595545A (en) * | 2017-03-07 | 2020-08-28 | 山东科技大学 | Multifunctional impact experiment method capable of continuously applying axial force |
| CN106932209A (en) * | 2017-03-31 | 2017-07-07 | 上海机动车检测认证技术研究中心有限公司 | Automotive airbag acts on detection method by mistake |
| CN106932209B (en) * | 2017-03-31 | 2019-02-15 | 上海机动车检测认证技术研究中心有限公司 | Automotive airbag accidentally acts on detection method |
| CN108168905A (en) * | 2017-12-26 | 2018-06-15 | 重庆旭乾通机械制造有限公司 | A kind of trolley test specimen protective device |
| CN108168905B (en) * | 2017-12-26 | 2020-08-28 | 重庆旭乾通机械制造有限公司 | Trolley test piece protection device |
| CN109342074A (en) * | 2018-09-18 | 2019-02-15 | 中国汽车技术研究中心有限公司 | A kind of novel movable stand deceleration buffer device and method |
| CN110611415A (en) * | 2019-07-22 | 2019-12-24 | 航宇救生装备有限公司 | Linear permanent magnet eddy current speed reduction device |
| CN111929021A (en) * | 2020-09-16 | 2020-11-13 | 苏州世力源科技有限公司 | Method for providing horizontal impact force with extremely small transverse ratio |
| CN112903312A (en) * | 2021-02-01 | 2021-06-04 | 重庆长安汽车股份有限公司 | Braking device and method for automobile crash test |
| CN114720151A (en) * | 2022-04-15 | 2022-07-08 | 湖南大学 | Waveform-adjustable low-speed collision test system based on energy storage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20200613 |
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| CF01 | Termination of patent right due to non-payment of annual fee |