CN108760209A - Multipurpose Highly Accelerated Life Test case - Google Patents
Multipurpose Highly Accelerated Life Test case Download PDFInfo
- Publication number
- CN108760209A CN108760209A CN201810868417.8A CN201810868417A CN108760209A CN 108760209 A CN108760209 A CN 108760209A CN 201810868417 A CN201810868417 A CN 201810868417A CN 108760209 A CN108760209 A CN 108760209A
- Authority
- CN
- China
- Prior art keywords
- humiture
- seal box
- switching mechanism
- test case
- accelerated life
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 230000005284 excitation Effects 0.000 claims abstract description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 40
- 239000007788 liquid Substances 0.000 claims description 26
- 229910052757 nitrogen Inorganic materials 0.000 claims description 20
- 239000007921 spray Substances 0.000 claims description 14
- 238000009423 ventilation Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 2
- 240000002853 Nelumbo nucifera Species 0.000 claims 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims 1
- 238000005406 washing Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- 238000012856 packing Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- G01M7/02—Vibration-testing by means of a shake table
-
- 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
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/027—Specimen mounting arrangements, e.g. table head adapters
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention discloses a kind of multipurpose Highly Accelerated Life Test case, it is provided with humiture seal box, the humiture seal box is connected with fast cut type Cooling and Heat Source and height pneumatic supply, it is provided with shake table in the humiture seal box, it is provided with workpiece grip mechanism on the shake table, the shake table bottom is disposed with switching system, the switching system is matched with vibration switching mechanism rotary switching mechanism, and the shake table is through vibrating switching mechanism matching connection vibration excitation device and/or matching connection rotational actuator through rotary switching mechanism.Advantageous effect：Multipurpose Highly Accelerated Life Test case using the present invention, on the basis of having high/low temperature quick washing, setting can replace exciting device, different physics exciting modes can be met, and rotation mode, realize humiture impact, physical impact and a variety of accelerated life tests, the strong applicability such as be physically rotated have a wide range of application.
Description
Technical field
The present invention relates to mechanical defect detection fields, more particularly to a kind of multipurpose Highly Accelerated Life Test case.
Background technology
Present product is required for carrying out reliability test, the weak link in being designed to exposure, by failure original
The analysis of cause, failure mode.Theoretical foundation is provided for the Curve guide impeller of product, optimization design.Improve product reliability.Traditional
Failtests is the ability that can experimental products complete predetermined function under prescribed conditions, in the defined time.However, now
Requirement of the market to product be that can meet any requirement of user's proposition at any time, this is that traditional failtests meets not
?.Therefore, there is reliability intensifying experiment, Reliability Enhancement Testing is that tested products are applied with single or comprehensive environment
Stress (stress level is far more than normal use environment), quickly to excite product latent defect.Pass through failure cause, failure mode
Analysis and improved structure design.Improve product reliability.Comparatively speaking with other reliability tests.Reliability Enhancement Testing has
Clear superiority efficient, funds in need are few.
The equipment for being currently used for reliability intensifying experiment is known as Highly Accelerated Life Test case, and this chamber is anti-using pneumatic hammer
Multiple impact, generates random vibration, applies stress to experimental products.This chamber uses single mode of vibration, a whole set of exciting
Device is arranged in detection case, cannot replace.So exciting mode is single, applicability is poor, cannot meet some special realities
Requirement, such as mute requirement, violent oscillatory motion requirement are tested, in order to meet these requirements, it is necessary to change other chamber.
Invention content
In order to solve the above technical problems, the present invention provides a kind of multipurpose Highly Accelerated Life Test case, is having high/low temperature
On the basis of quick washing, setting can replace exciting device, can meet different physics exciting modes, strong applicability.
Technical solution is as follows：
A kind of multipurpose Highly Accelerated Life Test case, is provided with humiture seal box, which is connected with soon
Cut type Cooling and Heat Source and height pneumatic supply, key are：It is provided with shake table in the humiture seal box, is arranged on the shake table
There is workpiece grip mechanism, the shake table bottom to be disposed with switching system, the switching system be matched with vibration switching mechanism and/or
Rotary switching mechanism.
Workpiece grip mechanism clamps test device, can switch the vibrational excitation in switching system by vibrating switching mechanism
Device can switch rotational actuator by rotary switching mechanism.To enable chamber to provide experiment or the combination examination of different mode
Test condition.
In order to make chamber that can carry out vibration experiment and carry out rotation test.The shake table is provided with internal vibration
Platform and outer ring turntable, outer ring turntable are placed on the bottom of humiture seal box, and the outer ring turntable is ladder platform,
Outer ladder platform and the bottom of the humiture seal box coordinate, and the internal vibration platform is placed in interior ladder platform.Described this interior shakes
It is provided with sealing structure between moving platform and outer ring turntable.Sealing structure can guarantee the air-tightness of humiture seal box, avoid
Air influences temperature, humidity and the control of air pressure in case into cartonning.
Wherein internal vibration mesa base is matched with vibration excitation device through vibrating switching mechanism.In order to avoid in rotational actuator
When driving the rotation of internal vibration platform, sealing structure is destroyed, and the rotational actuator is flat through rotary switching mechanism driving internal vibration
Platform and outer ring turntable rotate synchronously.
Further, the bottom of the humiture seal box is provided with via, and the outer ladder platform side wall is provided with and the mistake
The matched limit annular groove in hole, the humiture seal box limit the outer ladder platform by limiting annular groove, the temperature
Gap between humidity seal box and outer ring turntable is provided with seal washer.
When carrying out vibration experiment, limit annular groove can prevent outer ring turntable from being vibrated with internal vibration platform, cause
Gap is generated between outer ring turntable and seal washer, influences the air-tightness in humiture seal box.Seal washer can be to outer ring
Gap between turntable and humiture seal box is sealed, and ensures the air-tightness in humiture seal box.
Further, the sealing mechanism is elastic packing covering, which is bonded in the internal vibration
At gap between platform and outer ring turntable.
When carrying out vibration laboratory, vibration excitation device shakes directly through outer ring turntable, and through vibrating switching mechanism with interior
Moving platform connects.Vibration excitation device drives internal vibration Platform Vibration.Elastic packing covering both can guarantee that shake table was rotated with outer ring
Seal box between platform, it is ensured that chamber will not gas leakage.There is certain extension surplus again, internal vibration is driven in vibration excitation device
When Platform Vibration, internal vibration Platform Vibration is not interfered with.
Further, the switching mechanism be either electromagnetic type switching mechanism or be hammer type switching mechanism or
For six degree of freedom switching mechanism.
Wherein electromagnetic type switching mechanism matches electromagnetic vibration platform.
The hammer type switching mechanism matches hammer type shake table.
The six degree of freedom switching mechanism matches 6-dof motion platform.
Further, fast cut type Cooling and Heat Source is provided with temperature control box, which is provided with air outlet and return air inlet, the air-supply
Mouthful and return air inlet be connected to respectively with humiture seal box, be provided with partition board between the air outlet and return air inlet, the partition board is by institute
It states temperature control box and is separated into return zone and blow zones.
It is provided with wind turbine in the blow zones, air outlet described in the air outlet face of the wind turbine, the air inlet face of wind turbine
Ventilation opening on the partition board, the ventilation opening are connected to the return zone and blow zones, having heaters, institute are arranged at the ventilation opening
It states and is provided with evaporator in blow zones, which is located at the lower section of the ventilation opening.
When the heater is on, the air around heater is heated, hot-air by the abundant suction draft area of wind turbine, and by
Wind turbine is blown into humiture seal box, the environment temperature of analog component work, and hot-air returns to return zone from return air inlet, and air is again
It is heated by the heaters, the heat transfer that so cycle constantly generates heater is to humiture seal box, so as to rise rapidly
The temperature of high humility seal box.
Work as evaporator operation, the temperature of the air around evaporator is absorbed, and is formed cold air and is blown by wind turbine warm and humid
Seal box is spent, heat is absorbed, reduces the temperature of humidity seal box.Cold air returns to return zone from return air inlet, and air is steamed again
Device heat absorption is sent out, so cycle is constantly the heat in absorption humiture seal box, so as to reduce rapidly humidity seal box
Temperature.
Further, fast cut type Cooling and Heat Source is additionally provided with liquid nitrogen spray, and liquid nitrogen spray setting is close in the humiture
In joint sealing, the liquid nitrogen spray is connected to the liquid outlet of liquid nitrogen case, and flow control valve is provided at the liquid outlet.
Liquid nitrogen spray sprays into liquid nitrogen in humiture seal box, and liquid nitrogen gasification can absorb a large amount of heat, to drop as quick as thought
Temperature in low temperature humidity seal box.Quick temperature change can shorten experimental period.The time energy that adjusting control valve is opened
The temperature in humiture seal box is controlled, the aperture of adjusting control valve can control the speed of temperature decline.The liquid nitrogen spray
Nozzle for shower nozzle, sprinkle nozzle contributes to the uniform sprinkling of liquid nitrogen, makes entire chamber uniform decrease in temperature.
Some experiments need to carry out in the case of constant pressure, and liquid nitrogen gasification will increase the air pressure in chamber, lead to temperature
Air pressure change in humidity seal box.In order to avoid such case occurs, the humiture seal box is through relief pipeline and the external world
It is connected to, pressure-regulating valve is provided on the relief pipeline.The critical air pressure for setting pressure-regulating valve, when in humiture seal box
When air pressure is more than critical air pressure, pressure-regulating valve is opened, and pressure release is carried out to humiture seal box, and humiture seal box is made to keep permanent
Fixed air pressure.
In order to facilitate vibration excitation device or rotational actuator is replaced, also for entire chamber easy to remove.The temperature
Humidity seal box and fast cut type Cooling and Heat Source are wholely set, and are arranged on lifting platform, which is arranged in walking mechanism
On.
Advantageous effect：Multipurpose Highly Accelerated Life Test case using the present invention, in the base for having high/low temperature quick washing
On plinth, setting can replace exciting device, can meet different physics exciting mode and rotation mode, realize humiture punching
It hits, physical impact and a variety of accelerated life tests, the strong applicability such as be physically rotated and have a wide range of application.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the installation diagram of shake table 3 and humiture seal box 1；
Fig. 3 is the installation diagram of electromagnetic vibration platform 8a and shake table 3；
Fig. 4 is the installation diagram of hammer type shake table 8b and shake table 3；
Fig. 5 is the installation diagram of 6-dof motion platform 8c and shake table 3；
Fig. 6 is the installation diagram of rotary motion exciter 8d and internal vibration platform 3a；
Fig. 7 is the installation diagram of fast cut type Cooling and Heat Source 2 and humiture seal box 1.
Specific implementation mode
With reference to embodiment and attached drawing, the invention will be further described.
As shown in figs. 1-7, a kind of multipurpose Highly Accelerated Life Test case, is provided with humiture seal box 1, and the humiture is close
Joint sealing 1 is connected with fast cut type Cooling and Heat Source 2, and the humiture seal box 1 and fast cut type Cooling and Heat Source 2 are wholely set, wherein cutting soon
Formula Cooling and Heat Source 2 is partially installed on lifting platform 20, which is arranged in walking mechanism 21.The humiture seal box 1
It is in communication with the outside through relief pipeline 18, pressure-regulating valve 19 is provided on the relief pipeline 18.
It is provided with shake table 3 in the humiture seal box 1, which is provided with internal vibration platform 3a and outer ring rotation
Turntable 4.Wherein, outer ring turntable 4 is placed on the bottom of humiture seal box 1, and the outer ring turntable 4 is ladder platform, outside
Ladder platform and the bottom of the humiture seal box 1 coordinate, and the internal vibration platform 3a is placed in interior ladder platform.Internal vibration platform
It is provided on 3a for being clamped by the workpiece grip mechanism of experimental products.
The bottom of the humiture seal box 1 is provided with via, and the outer ladder platform side wall is provided with matched with the via
Annular groove 4a is limited, the humiture seal box 1 limits the outer ladder platform by limiting annular groove 4a, and the humiture is close
Gap between joint sealing 1 and outer ring turntable 4 is provided with seal washer 5.
It is provided with sealing structure between the internal vibration platform 3a and outer ring turntable 4, which is elastic packing
Covering, the elastic packing covering are bonded at the gap between the internal vibration platform 3a and outer ring turntable 4.
The bottoms internal vibration platform 3a are matched with vibration excitation device through vibrating switching mechanism.The vibration switching mechanism is electricity
Magnetic-type switching mechanism 7a is either hammer type switching mechanism 7b or is six degree of freedom switching mechanism 7c.Wherein electromagnetic type switches
The bottom mating of mechanism 7a has electromagnetic vibration platform 8a.The hammer type switching mechanism 7b matching hammer type shake tables 8b.It is described
Six degree of freedom switching mechanism 7c matching 6-dof motion platforms 8c.
The outer ring turntable 4 is stretched out in the lower part of the internal vibration platform 3a, and lower sides are provided with screw hole, and the vibration is cut
It is both provided at the top of converting mechanism and the matched mounting groove in the lower parts internal vibration platform 3a.The lower parts internal vibration platform 3a are inserted into
In mounting groove, and it is bolted.The vibration switching mechanism bottom is provided with the installs fixture that vibration excitation device matches,
The vibration excitation device is fixed on vibration switching mechanism bottom by installs fixture.Vibration excitation device will be vibrated by installs fixture
Pass to internal vibration platform 3a.
Wherein, electromagnetic vibration platform 8a corresponds to electromagnetism platform installs fixture.The hammer type shake table 8b corresponds to pneumatic hammer installation
Fixture.The 6-dof motion platform 8c corresponds to hydraulic cylinder installs fixture.
The bottoms internal vibration platform 3a are also matched with rotational actuator 8d through rotary switching mechanism 7d.The rotation switching machine
Stepped groove is provided at the top of structure 7d, outer ring turntable 4 is inserted into the upper stepped part of the stepped groove, and the internal vibration platform 3a is inserted into should
The downstairs portion of stepped groove.
The upper stepped part of the stepped groove is fixed by bolt and the outer ring turntable 4, and downstairs portion is again by bolt
It is fixed with the internal vibration platform 3a
The bottom of the rotary switching mechanism 7d is provided with rolling clamp, and the rotational actuator is fixed on through rolling clamp
The bottom of rotary switching mechanism 7d.
Fast cut type Cooling and Heat Source 2 is provided with temperature control box 9, which is provided with air outlet 10 and return air inlet 11, the air outlet 10
It is connected to respectively with humiture seal box 1 with return air inlet 11, partition board 9c is provided between the air outlet 10 and return air inlet 11, it should be every
The temperature control box 9 is separated into return zone 9a and blow zones 9b by plate 12.
It is provided with wind turbine 12 in the blow zones 9b, air outlet 10 described in the air outlet face of the wind turbine 12, wind turbine 12
Having heaters 13 is arranged at the ventilation opening for ventilation opening on partition board 12 described in air inlet face, and the ventilation opening connection is described to return
It is provided with evaporator 14 in wind area 9a and blow zones 9b, the blow zones 9b, which is located at the lower section of the ventilation opening.
Fast cut type Cooling and Heat Source 2 is additionally provided with liquid nitrogen spray 15, and the liquid nitrogen spray 15 is shower nozzle.The liquid nitrogen spray 15 is set
It sets in the humiture seal box 1, the liquid nitrogen spray 15 is connected to the liquid outlet of liquid nitrogen case 16, is provided at the liquid outlet
Flow control valve 17.
Finally, it should be noted that foregoing description is only the preferred embodiment of the present invention, the ordinary skill people of this field
Member under the inspiration of the present invention, without prejudice to the purpose of the present invention and the claims, can make table as multiple types
Show, such transformation is each fallen within protection scope of the present invention.
Claims (10)
1. a kind of multipurpose Highly Accelerated Life Test case is provided with humiture seal box (1), the humiture seal box (1) connection
There is fast cut type Cooling and Heat Source (2), it is characterised in that：It is provided with shake table (3) in the humiture seal box (1), on the shake table (3)
It is provided with workpiece grip mechanism, shake table (3) bottom is disposed with switching system, which is matched with vibration switching machine
Structure and/or rotary switching mechanism (7c).
2. multipurpose Highly Accelerated Life Test case according to claim 1, it is characterised in that：The shake table (3) is provided with
Internal vibration platform (3a) and outer ring turntable (4) are provided with sealing knot between the internal vibration platform (3a) and outer ring turntable (4)
Structure, the internal vibration platform bottom (3a) are matched with vibration excitation device through vibrating switching mechanism, and turntable (4) bottom in outer ring is through rotation
Turn switching mechanism (7d) and is matched with rotational actuator (8d)；
The outer ring turntable (4) is placed on the bottom of humiture seal box (1), and the outer ring turntable (4) is ladder platform,
Outer ladder platform and the bottom of the humiture seal box (1) coordinate, and the internal vibration platform (3a) is placed in interior ladder platform.
3. multipurpose Highly Accelerated Life Test case according to claim 2, it is characterised in that：The humiture seal box (1)
Bottom be provided with via, the outer ladder platform side wall of the outer ring turntable (4) is provided with and the matched limit annular groove of the via
The outer ladder platform of (4a), the outer ring turntable (4) are pierced by the humiture seal box (1), the edge of the via along via
Limit annular groove (4a) is stretched into, the gap between the humiture seal box (1) and outer ring turntable (4) is provided with seal washer
(5)。
4. multipurpose Highly Accelerated Life Test case according to claim 2, it is characterised in that：The sealing mechanism is that elasticity is close
Covering is sealed, which is bonded at the gap between the internal vibration platform (3a) and outer ring turntable (4).
5. multipurpose Highly Accelerated Life Test case according to claim 1, it is characterised in that：The vibration switching mechanism or
For electromagnetic type switching mechanism (7a), it is either hammer type switching mechanism (7b) or is six degree of freedom switching mechanism (7c)；
Wherein electromagnetic type switching mechanism (7a) is matched with electromagnetic vibration platform (8a)；
Hammer type switching mechanism (7b) the matching hammer type shake table (8b)；
Six degree of freedom switching mechanism (7c) the matching 6-dof motion platform (8c).
6. multipurpose Highly Accelerated Life Test case according to claim 1, it is characterised in that：Fast cut type Cooling and Heat Source (2) setting
There is temperature control box (9), which is provided with air outlet (10) and return air inlet (11), the air outlet (10) and return air inlet (11) point
It is not connected to humiture seal box (1), partition board (9c), the partition board is provided between the air outlet (10) and return air inlet (11)
(12) temperature control box (9) is separated into return zone (9a) and blow zones (9b)；
It is provided with wind turbine (12) in the blow zones (9b), air outlet (10), wind turbine described in the air outlet face of the wind turbine (12)
(12) ventilation opening on partition board (12) described in air inlet face, setting having heaters (13), the ventilation opening at the ventilation opening
It is connected to the return zone (9a) and blow zones (9b), is provided with evaporator (14) in the blow zones (9b), the evaporator (14)
Positioned at the lower section of the ventilation opening.
7. multipurpose Highly Accelerated Life Test case according to claim 6, it is characterised in that：Fast cut type Cooling and Heat Source (2) is also set
Be equipped with liquid nitrogen spray (15), the liquid nitrogen spray (15) setting in the humiture seal box (1), the liquid nitrogen spray (15) with
The liquid outlet of liquid nitrogen case (16) is connected to, and flow control valve (17) is provided at the liquid outlet.
8. multipurpose Highly Accelerated Life Test case according to claim 7, it is characterised in that：The liquid nitrogen spray (15) is lotus
Fluffy head.
9. multipurpose Highly Accelerated Life Test case according to claim 7, it is characterised in that：The humiture seal box (1)
It is in communication with the outside through relief pipeline (18), pressure-regulating valve (19) is provided on the relief pipeline (18).
10. multipurpose Highly Accelerated Life Test case according to claim 1, it is characterised in that：The humiture seal box (1)
It is wholely set, and is arranged on lifting platform (20) with fast cut type Cooling and Heat Source (2), which is arranged in walking mechanism
(21) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810868417.8A CN108760209A (en) | 2018-08-02 | 2018-08-02 | Multipurpose Highly Accelerated Life Test case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810868417.8A CN108760209A (en) | 2018-08-02 | 2018-08-02 | Multipurpose Highly Accelerated Life Test case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108760209A true CN108760209A (en) | 2018-11-06 |
Family
ID=63968503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810868417.8A Pending CN108760209A (en) | 2018-08-02 | 2018-08-02 | Multipurpose Highly Accelerated Life Test case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108760209A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856475A (en) * | 2018-12-19 | 2019-06-07 | 中国航发控制***研究所 | A kind of combined stress experimental rig |
| CN110208313A (en) * | 2019-06-12 | 2019-09-06 | 北京机电工程研究所 | A kind of forced-convection heat transfer experimental rig for synthetic chemistry laboratory test |
| CN113670603A (en) * | 2021-10-22 | 2021-11-19 | 常州华德机械有限公司 | Ultra-low temperature gearbox testing device for electric locomotive |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101623690A (en) * | 2009-07-29 | 2010-01-13 | 深圳市计量质量检测研究院 | Apparatus and method for reliability screening |
| CN102507170A (en) * | 2011-10-20 | 2012-06-20 | 中国人民解放军装甲兵工程学院 | Contact fatigue life prediction testing machine |
| CN105784516A (en) * | 2016-03-15 | 2016-07-20 | 中国科学院寒区旱区环境与工程研究所 | Indoor simulation vehicle load vibration system |
| CN107991566A (en) * | 2017-12-28 | 2018-05-04 | 天津航天瑞莱科技有限公司 | A kind of strenuous test equipment of electronic product |
-
2018
- 2018-08-02 CN CN201810868417.8A patent/CN108760209A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101623690A (en) * | 2009-07-29 | 2010-01-13 | 深圳市计量质量检测研究院 | Apparatus and method for reliability screening |
| CN102507170A (en) * | 2011-10-20 | 2012-06-20 | 中国人民解放军装甲兵工程学院 | Contact fatigue life prediction testing machine |
| CN105784516A (en) * | 2016-03-15 | 2016-07-20 | 中国科学院寒区旱区环境与工程研究所 | Indoor simulation vehicle load vibration system |
| CN107991566A (en) * | 2017-12-28 | 2018-05-04 | 天津航天瑞莱科技有限公司 | A kind of strenuous test equipment of electronic product |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856475A (en) * | 2018-12-19 | 2019-06-07 | 中国航发控制***研究所 | A kind of combined stress experimental rig |
| CN110208313A (en) * | 2019-06-12 | 2019-09-06 | 北京机电工程研究所 | A kind of forced-convection heat transfer experimental rig for synthetic chemistry laboratory test |
| CN113670603A (en) * | 2021-10-22 | 2021-11-19 | 常州华德机械有限公司 | Ultra-low temperature gearbox testing device for electric locomotive |
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