CN107328543A - Shock table - Google Patents
Shock table Download PDFInfo
- Publication number
- CN107328543A CN107328543A CN201710743826.0A CN201710743826A CN107328543A CN 107328543 A CN107328543 A CN 107328543A CN 201710743826 A CN201710743826 A CN 201710743826A CN 107328543 A CN107328543 A CN 107328543A
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- China
- Prior art keywords
- shock table
- base
- fixed seat
- mounting groove
- workbench
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of shock table, the slide bar being fixed on including base, the impact fixed seat being fixed on base, the waveform generator being arranged in the mounting groove of base and impact fixed seat, insertion in impact fixed seat, the workbench and driving workbench that are connected with slide bar do the drive device moved up and down and supply unit, and mounting groove is collectively forming by being arranged on the first cavity of base with the second cavity for impacting fixed seat is arranged on.It is vertical stratification that the shock table whole device, which is in, by setting mounting groove in a device, the various types of waveform generator for placing, and the position of waveform generator is adjusted by adjustment seat, so that centering subsized specimen carries out the small big pulsewidth impact test of acceleration.Therefore, the shock table equipment is simple, cost is relatively low, easy to operate, while floor space is smaller.
Description
Technical field
The present invention relates to a kind of shock table.
Background technology
Environmental mechanicses experiment-impact test, is mainly used to simulate power of the Aerospace Products in landing, return capsule recovery
Shock environment is learned, to determine adaptability of the product to various shock environments.By such impact test, one can be evaluated
The integrity of product structure, the reasonability of working parameters index provides rational foundation for the quality of examining the product.It
It is generally used for the impact test of the bump test of falling of Aero-Space class instrument appliance product aviation lifesaving's class product.
Conventional shock table can only typically do the experiment of typical standard pulsewidth at present.The small big pulsewidth type of acceleration,
There is the rocket sled type shock machine for being set up in field using motorcycle track；Also it is satisfied with the valve control of the short track of interior
Damp type.
However, two kinds of shock tables all Shortcomings：
1) the rocket sled type shock machine for being set up in field is typically practically applicable to do the large-scale of big pulsewidth high acceleration
Test specimen, the shortcoming of this testing equipment is that the construction period is long, and use cost and maintenance are high.
Although 2) the valve control damping type of short track being capable of centering System for Large-scale Specimen progress simulated test, the testing equipment
Experiment is wasted time and energy, and experiment adjustment is extremely difficult.
The content of the invention
It is an object of the invention to provide a kind of equipment is simple, cost is relatively low, easy to operate shock table, for pair
Middle-size and small-size test specimen carries out the small big pulsewidth impact test of acceleration.
To reach above-mentioned purpose, the present invention provides following technical scheme：A kind of shock table, including base, impact are admittedly
Reservation, waveform generator, workbench, slide bar, drive device and supply unit；The first cavity is provided with the base, it is described
Impact fixed seat is arranged on the base, and the second cavity is provided with the impact fixed seat, and the first cavity connection is described
Second cavity is to form mounting groove, and the waveform generator is partly or entirely arranged in the mounting groove；The slide bar insertion
It is fixed in the impact fixed seat, the workbench connects the slide bar and relatively described fixed seat of impacting is along the small acceleration
The short transverse of degree shock table is moved up and down；The drive device is additionally provided with the impact fixed seat to drive the work
Moved up and down as platform；The supply unit is arranged on the base side and connects the workbench.
Further, the bottom of the mounting groove is additionally provided with adjustment seat, and the adjustment seat includes bottom plate, expansion link and branch
Fagging, the expansion link connect the bottom plate and supporting plate so that the relatively described impact fixed seat of the supporting plate along described small plus
The short transverse of velocity shock testing stand is moved up and down.
Further, the waveform generator is piston-cylinder generator, and the piston-cylinder generator is arranged on described
In supporting plate
Further, the shock table also includes air pressure adjustment part, and the base has relative left side and right side,
The supply unit is arranged on the left side of the base, and the air pressure adjustment part is arranged on the right side of the base；Or, it is described
Supply unit is arranged on the right side of the base, and the air pressure adjustment part is arranged on the left side of the base.
Further, the waveform generator is air spring type generator, and the air spring type generator is arranged on
In the supporting plate, the air pressure adjustment part connects the air spring type generator.
Further, the waveform generator is elastic material board, and the material that the elastic material board is used is felt
One or more of combinations in plate, rubber slab, sponge plate.
Further, the bottom of the mounting groove is additionally provided with adjustment seat, and the adjustment seat includes bottom plate, expansion link and branch
Fagging, the expansion link connect the bottom plate and supporting plate so that the relatively described impact fixed seat of the supporting plate along described small plus
The short transverse of velocity shock testing stand is moved up and down；The elastic material board is arranged in the supporting plate.
Further, the slide bar is polished rod, and the quantity of the polished rod is two, and two polished rods are oppositely arranged on institute
State the both sides of workbench.
Further, the workbench is provided with two connection through holes, inserted with an institute in each connection through hole
State polished rod.
The beneficial effects of the present invention are：It is vertical stratification that the shock table whole device of the present invention, which is in, by dress
Mounting groove is centered, the various types of waveform generator for placing, and adjust by adjustment seat the position of waveform generator,
So as to which centering subsized specimen carries out the small big pulsewidth impact test of acceleration.Therefore, the shock table equipment is simple, cost is relatively low,
It is easy to operate, while floor space is smaller.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is the complete structural representation of the shock table shown in one embodiment of the invention；
Fig. 2 is the structural representation of the shock table shown in another embodiment of the present invention；
Fig. 3 is the structural representation of the shock table shown in another embodiment of the present invention；
Fig. 4 is the structural representation of the shock table shown in another embodiment of the present invention.
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Fig. 1 is referred to, shock table of the invention includes base 1, impact fixed seat 2, waveform generator 3, workbench
4th, slide bar 5, drive device 6 and supply unit 7.Base 1 has relative left side 11 and right side 12, provided with the in the base 1
One cavity 13, impact fixed seat 2 is arranged on the base 1, and is provided with the second cavity 21 in impact fixed seat 2, and first is empty
Chamber 13 connects second cavity 21 to form mounting groove 10, and the waveform generator 3 is partly or entirely arranged on the installation
In groove 10.In the present embodiment, the mounting groove 10 is square structure, really, and in other embodiments, the mounting groove 10 can be with
It is such as spherical for other shapes.The insertion of slide bar 5 is fixed in impact fixed seat 2, on workbench 4 provided with two connection through holes (not
Label), each connection through hole is interior inserted with a slide bar 5, and workbench 4 connects the slide bar 5 and the edge of relative impact fixed seat 2
The short transverse of the device is moved up and down.In the present embodiment, the slide bar 5 is polished rod, really, in other embodiments, the cunning
Bar 5 can also be other structures.It is additionally provided with supply unit 7 and drive device 6 to drive workbench 4 to exist in impact fixed seat 2
Moved on slide bar 5, drive device 6 is arranged on the both sides of slide bar 5, in the present embodiment, supply unit 7 is arranged at left side 11 simultaneously
It is connected with workbench 4, really, in other embodiments, the supply unit 7 can also be arranged on other positions.
In the present embodiment, the shock table is also additionally provided with adjustment seat 8, the adjustment seat 8 in the bottom of mounting groove 10
Including bottom plate 81, expansion link 82 and supporting plate 83, the expansion link 82 connects the bottom plate 81 and supporting plate 83 so that described
The relative impact fixed seat 2 of supporting plate 83 is moved up and down along the short transverse of the device.
In the present embodiment, the shock table is additionally provided with air pressure adjustment part 9, and air pressure adjustment part 9 is arranged on right side 12, really
So, in other embodiments, the air pressure adjustment part 9 can also be arranged on other positions.
By using the shock table of the present invention, various types of waveform generator can be set on mounting groove 10, such as
Piston-cylinder generator, air spring type generator and elastic material board, the material that elastic material board is used for felt plate,
One or more of combinations in rubber slab, sponge plate.
Fig. 2 is referred to, the shock table shown in one embodiment of the invention is provided with waveform generator in mounting groove 10
3, in the present embodiment, the waveform generator 3 is piston-cylinder generator, really, in other embodiments, piston-cylinder hair
Raw device 3 can also be other types.Piston-cylinder generator 3 is arranged in supporting plate 83, and by adjustment seat 8 come to its position
It is adjusted.
Fig. 3 is referred to, the shock table shown in another embodiment of the present invention is provided with waveform in mounting groove 10
Device 3, in the present embodiment, the waveform generator 3 are air spring generator, really, in other embodiments, the air spring
Generator 3 can also be other types.Air spring generator 3 is arranged in supporting plate 83, and by adjustment seat 8 come to its position
Put and be adjusted.Be provided with air pressure adjustment part 9 at the right side 12, according to different tests the need for, pass through the air pressure adjustment
Part 9 can adjust the blowing pressure of air spring generator 3.
Fig. 4 is referred to, the shock table shown in another embodiment of the present invention is provided with waveform in mounting groove 10
Device 3, in the present embodiment, the waveform generator 3 are elastic material board, and its material used is felt plate, rubber slab, sponge
The combination of plate, really, in other embodiments, the material that the elastic material board 3 is used can also for felt plate, rubber slab,
One kind or other combination of the above in sponge plate.In the present embodiment, because combined material is more, the elastic material board 3 is set
In the bottom of mounting groove 10, really, in other embodiments, according to experiment needs, also adjustment seat can be set in mounting groove 10
(not shown) is adjusted come the position to the elastic material board 3.
In summary：It is vertical stratification that the shock table whole device of the present invention, which is in, by setting installation in a device
Groove, the various types of waveform generator for placing, and the position of waveform generator is adjusted by adjustment seat, so as to middle-size and small-size
Test specimen carries out the small big pulsewidth impact test of acceleration.The shock table is with simple equipment and relatively low cost, it is sufficient to meet
The big pulsewidth impact test of small acceleration of middle-size and small-size test specimen, meanwhile, the shock table floor space is small, tries in use
Test adjustment easy and easy to maintenance.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of shock table, it is characterised in that：Including base, impact fixed seat, waveform generator, workbench, slide bar, drive
Dynamic device and supply unit；The first cavity is provided with the base, the impact fixed seat is arranged on the base, described
Impact and the second cavity is provided with fixed seat, first cavity connects second cavity to form mounting groove, the waveform hair
Raw device is partly or entirely arranged in the mounting groove；The slide bar insertion is fixed in the impact fixed seat, the work
Platform connects the short transverse of the slide bar and relatively described impact fixed seat along the small acceleration shock table and moved up and down；
The drive device is additionally provided with the impact fixed seat to drive the workbench to move up and down；The supply unit is arranged on
The base side simultaneously connects the workbench.
2. shock table as claimed in claim 1, it is characterised in that the bottom of the mounting groove is additionally provided with adjustment seat, institute
Stating adjustment seat includes bottom plate, expansion link and supporting plate, and the expansion link connects the bottom plate and supporting plate so that the support
Short transverse of the relatively described impact fixed seat of plate along the small acceleration shock table is moved up and down.
3. shock table as claimed in claim 2, it is characterised in that the waveform generator is piston-cylinder generator,
The piston-cylinder generator is arranged in the supporting plate.
4. shock table as claimed in claim 2, it is characterised in that the shock table also includes air pressure adjustment part,
The base has relative left side and right side, and the supply unit is arranged on the left side of the base, the air pressure adjustment part
It is arranged on the right side of the base；Or, the supply unit is arranged on the right side of the base, and the air pressure adjustment part is set
In the left side of the base.
5. shock table as claimed in claim 4, it is characterised in that the waveform generator occurs for air spring type
Device, the air spring type generator is arranged in the supporting plate, and the air pressure adjustment part connects the air spring type hair
Raw device.
6. shock table as claimed in claim 1, it is characterised in that the waveform generator is elastic material board, described
The material that elastic material board is used is one or more of combination in felt plate, rubber slab, sponge plate.
7. shock table as claimed in claim 6, it is characterised in that the bottom of the mounting groove is additionally provided with adjustment seat, institute
Stating adjustment seat includes bottom plate, expansion link and supporting plate, and the expansion link connects the bottom plate and supporting plate so that the support
Short transverse of the relatively described impact fixed seat of plate along the small acceleration shock table is moved up and down；The elastic material board
It is arranged in the supporting plate.
8. the shock table as any one of claim 1 to 7, it is characterised in that the slide bar is polished rod, the light
The quantity of bar is two, and two polished rods are oppositely arranged on the both sides of the workbench.
9. shock table as claimed in claim 8, it is characterised in that the workbench connects through holes provided with two, often
Inserted with a polished rod in the individual connection through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710743826.0A CN107328543B (en) | 2017-08-25 | 2017-08-25 | Impact test stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710743826.0A CN107328543B (en) | 2017-08-25 | 2017-08-25 | Impact test stand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107328543A true CN107328543A (en) | 2017-11-07 |
| CN107328543B CN107328543B (en) | 2023-04-25 |
Family
ID=60224749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710743826.0A Active CN107328543B (en) | 2017-08-25 | 2017-08-25 | Impact test stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107328543B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507747A (en) * | 2018-06-21 | 2018-09-07 | 苏州东菱振动试验仪器有限公司 | A kind of semisinusoidal waveform generator |
| CN108827580A (en) * | 2018-06-22 | 2018-11-16 | 张传赛 | A kind of sports equipment impact experiment test device |
| 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 |
| CN111982447A (en) * | 2020-08-04 | 2020-11-24 | 中汽研汽车检验中心（天津）有限公司 | high-G-value half-sinusoidal acceleration crash test bed and test method |
| CN112683480A (en) * | 2020-12-31 | 2021-04-20 | 南京苏试广博环境可靠性实验室有限公司 | Impact test system and method |
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| US20040261493A1 (en) * | 2003-06-25 | 2004-12-30 | Lee Kun Ta | Adjustable cushioning device for impact tester |
| CN200996888Y (en) * | 2006-12-26 | 2007-12-26 | 中国船舶重工集团公司第七一一研究所 | Multifunctional impact experimental instrument |
| CN201293709Y (en) * | 2008-11-18 | 2009-08-19 | 苏州试验仪器总厂 | Shock test machine with energy-adding device |
| CN104458182A (en) * | 2013-09-12 | 2015-03-25 | 西北机器有限公司 | Adjustable-postpeak sawtooth wave waveform generator |
| CN104614143A (en) * | 2015-02-13 | 2015-05-13 | 苏州东菱振动试验仪器有限公司 | Transient impact force implementation method |
| CN105445125A (en) * | 2016-01-18 | 2016-03-30 | 苏州达美特汽车测试技术有限公司 | High-speed tensile testing machine-based part impulse test apparatus and method |
| CN207197770U (en) * | 2017-08-25 | 2018-04-06 | 南京苏试广博环境可靠性实验室有限公司 | Shock table |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040261493A1 (en) * | 2003-06-25 | 2004-12-30 | Lee Kun Ta | Adjustable cushioning device for impact tester |
| CN200996888Y (en) * | 2006-12-26 | 2007-12-26 | 中国船舶重工集团公司第七一一研究所 | Multifunctional impact experimental instrument |
| CN201293709Y (en) * | 2008-11-18 | 2009-08-19 | 苏州试验仪器总厂 | Shock test machine with energy-adding device |
| CN104458182A (en) * | 2013-09-12 | 2015-03-25 | 西北机器有限公司 | Adjustable-postpeak sawtooth wave waveform generator |
| CN104614143A (en) * | 2015-02-13 | 2015-05-13 | 苏州东菱振动试验仪器有限公司 | Transient impact force implementation method |
| CN105445125A (en) * | 2016-01-18 | 2016-03-30 | 苏州达美特汽车测试技术有限公司 | High-speed tensile testing machine-based part impulse test apparatus and method |
| CN207197770U (en) * | 2017-08-25 | 2018-04-06 | 南京苏试广博环境可靠性实验室有限公司 | Shock table |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507747A (en) * | 2018-06-21 | 2018-09-07 | 苏州东菱振动试验仪器有限公司 | A kind of semisinusoidal waveform generator |
| CN108507747B (en) * | 2018-06-21 | 2024-04-05 | 苏州东菱振动试验仪器有限公司 | Half sine waveform generator |
| CN108827580A (en) * | 2018-06-22 | 2018-11-16 | 张传赛 | A kind of sports equipment impact experiment test device |
| CN108827580B (en) * | 2018-06-22 | 2021-01-15 | 张传赛 | Sport equipment strikes experiment testing arrangement |
| 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 |
| CN111982447A (en) * | 2020-08-04 | 2020-11-24 | 中汽研汽车检验中心（天津）有限公司 | high-G-value half-sinusoidal acceleration crash test bed and test method |
| CN112683480A (en) * | 2020-12-31 | 2021-04-20 | 南京苏试广博环境可靠性实验室有限公司 | Impact test system and method |
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| Publication number | Publication date |
|---|---|
| CN107328543B (en) | 2023-04-25 |
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