CN207662586U - High vacuum high/low temperature vibration testing device - Google Patents
High vacuum high/low temperature vibration testing device Download PDFInfo
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- CN207662586U CN207662586U CN201721901452.2U CN201721901452U CN207662586U CN 207662586 U CN207662586 U CN 207662586U CN 201721901452 U CN201721901452 U CN 201721901452U CN 207662586 U CN207662586 U CN 207662586U
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- holder
- vacuum
- bellows
- low temperature
- shake table
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Abstract
The utility model discloses a kind of high vacuum high/low temperature vibration testing devices, including vacuum experiment babinet and shake table, work stage is set in the vacuum laboratory box body, the work stage is equipped with holder, bracket holes are arranged in the vacuum experiment babinet, the bracket holes are equipped with connecting flange, the lower end flange seal of the connecting flange and bellows connects, the flange hole upper end of the upper flanges of the bellows is surrounded by inner slope, the inner slope is equipped with the first sealing ring, the holder is fixedly connected with connection ring, the connection ring and the upper flanges of bellows connect, first sealing ring and inner slope, the lower surface of connection ring and the side wall of holder are in close contact, the holder is fixedly connected across the bellows and the bracket holes shake table external with vacuum laboratory box is set to.The device effectively transmits the sealing that ensure that vacuum experiment babinet while vibration, avoids influence of the shake table to vacuum environment.
Description
Technical field
The utility model is related to a kind of vibration testing device, especially a kind of high vacuum high/low temperature vibration testing device.
Background technology
Vacuum environment experimental box is the important device simulated space high and low temperature environment and carry out related experiment, in simulation space flight production
Product manufacture, assembling transport and using the execution stage in met with various environment when, other than vacuum and temperature change, also need
Simulated environment is wanted to vibrate.Under atmospheric environment, generally use shake table carries out vibration test.But shake table is moved into vacuum ring
Border then generates various problems, and shake table itself first is to be difficult to directly apply to vacuum under atmospheric environment using standard
The all parts of environment, next shake table are directly exposed in vacuum chamber, cause serious influence to vacuum environment, environment is made to join
Number is difficult to reach testing standard.
Utility model content
Defect for the above-mentioned prior art, the task of the utility model are to provide a kind of high vacuum high/low temperature vibration test
Device solves workpiece to be tested and generates vibration problem in vacuum chamber.
Technical solutions of the utility model are as follows：A kind of high vacuum high/low temperature vibration testing device, including vacuum experiment babinet
And shake table, the vacuum laboratory box body is interior to be arranged work stage, and the work stage is equipped with holder, the vacuum experiment babinet setting
Bracket holes, the bracket holes are equipped with connecting flange, the lower end flange seal connection of the connecting flange and bellows, the ripple
The flange hole upper end of the upper flanges of pipe is surrounded by inner slope, and the inner slope is equipped with the first sealing ring, and the holder is solid
Surely connection ring, the upper flanges connection of the connection ring and bellows, first sealing ring and inner slope, connection ring are connected with
Lower surface and the side wall of holder be in close contact, the holder passes through the bellows and bracket holes and is set to vacuum experiment
Shake table outside babinet is fixedly connected.
Further, groove is arranged in the lower surface of the lower end flanges of the bellows, and the second sealing is arranged in the groove
Circle, second sealing ring are in close contact with the upper surface of groove inner surface and connecting flange.
Further, the holder is equipped with gap with connecting flange inner wall.
Further, the shake table is fixedly installed on ground, and the vacuum experiment babinet passes through babinet bearing and ground
Base connects.
Further, the work stage is fixedly connected by screw with the top of holder, and the bottom end of the holder, which is fixed, to be connected
It is connected to round doily, the round doily is fixedly connected with shake table.
The utility model compared with prior art the advantages of be：Shake table is arranged except vacuum experiment babinet, place
In atmospheric environment, can avoid influence of the shake table to vacuum environment, at the same also can directly using the shake table of the prior art and
It is redesigned without being directed to vacuum environment use.Using the sealing of holder and bellows by vacuum experiment babinet and shake table phase
The sealing that ensure that vacuum experiment babinet while vibration is effectively transmitted in isolation.
Description of the drawings
Fig. 1 is the structural schematic diagram of high vacuum high/low temperature vibration testing device.
Fig. 2 is that holder connect partial schematic diagram with bellows.
Specific implementation mode
With reference to embodiment, the utility model is described in further detail, but not as the restriction to the utility model.
Shown in Fig. 1 and Fig. 2, the high vacuum high/low temperature vibration testing device of the utility model, including vacuum experiment
Babinet 1, vacuum experiment babinet 1 use stainless steel making, horizontal arrangement simultaneously to be connect with ground by four babinets bearings 2.Vacuum
1 inside setting heat sink 3, heat sink 3 of experimental box body makees cavity material using copper coin.Heat sink 3 drive end bearing bracket is on gate end socket, with gate
Keying and switch, bottom end heat sink plate is welded on heat sink 3 straight section, it is heat sink 3 composition one optics shielding cold darkness environment.Heat sink 3
Inside spray is pitch-dark to improve the radianting capacity of temperature, installs refrigerator pipes and heater strip on heat sink 3, realizes system temperature control.
Be additionally provided with work stage 4 in vacuum experiment babinet 1, work stage 4 is equipped with four holders 5, work stage 4 by screw with
The top of holder 5 is fixedly connected.Four bracket holes 6 are provided on vacuum experiment babinet 1, on bracket holes 6 setting connecting flange 7 with
Four holders 5 correspond to.Holder 5 is stretched out from bracket holes 6 outside vacuum experiment babinet 1, and is fixedly connected with round doily 8 in bottom end, is led to
It crosses round doily 8 to be fixedly connected with shake table 9, shake table 9 is then directly fixed on ground.Holder 5 and 7 inner wall of connecting flange
Equipped with gap, vibrated by the shake table 9 outside vacuum experiment babinet 1, by holder 5 by conduct vibrations in vacuum experiment babinet 1
Work stage 4, and then make workpiece generate vibration to meet test requirements document.Due to needing to keep vacuum ring in vacuum experiment babinet 1
Border, it is therefore desirable to form effective sealing between connecting flange 7 and holder 5, while the vibration of holder 5 cannot be influenced.Specifically
Structure is, in vacuum experiment babinet 1, a bellows 10 is arranged on each holder 5,10 both ends of bellows are respectively arranged connection and use
Flange.The flange hole upper end of the upper flanges 11 of bellows 10 is surrounded by inner slope 12, and it is close that inner slope 12 is equipped with first
Seal 13 is fixedly connected with connection ring 14 on holder 5.It is connect with the upper flanges 11 of bellows 10 by connection ring 14, makes
One sealing ring 13 and the side wall of inner slope 12, the lower surface of connection ring 14 and holder 5 are in close contact.Holder 5 and bellows 10
Upper end be fixed sealed connection, the upper end of bellows 10 can be vibrated with the vibration of holder 5.The lower hold-carrying of bellows 10
Groove 16 is arranged in the lower surface of orchid 15, and the second sealing ring 17, the lower end flanges 15 and connection method of bellows 10 are arranged in groove 16
After 7 connection of orchid, the second sealing ring 17 is in close contact with the upper surface of 16 inner surface of groove and connecting flange 7.Accordingly, bellows 10
Internal and external environment in upper end is completely cut off by the first sealing ring 13, and internal and external environment of the bellows 10 in lower end passes through the second sealing ring 17
Completely cut off, is connected to atmosphere outside inside bellows 10 by the way that the connecting flange of vacuum experiment babinet 1 is practical, and bellows 10
It is external then be the vacuum environment in the vacuum experiment babinet 1.
Claims (5)
1. a kind of high vacuum high/low temperature vibration testing device, it is characterised in that：It is described true including vacuum experiment babinet and shake table
Work stage is set in empty real tryoff body, and the work stage is equipped with holder, and bracket holes, the holder is arranged in the vacuum experiment babinet
Hole is equipped with connecting flange, and the lower end flange seal of the connecting flange and bellows connects, the upper flanges of the bellows
Flange hole upper end is surrounded by inner slope, and the inner slope is equipped with the first sealing ring, and the holder is fixedly connected with connection ring,
The connection ring and the upper flanges of bellows connect, first sealing ring and inner slope, the lower surface of connection ring and branch
The side wall of frame is in close contact, and the holder passes through the bellows and bracket holes and is set to the external shake table of vacuum laboratory box
It is fixedly connected.
2. high vacuum high/low temperature vibration testing device according to claim 1, which is characterized in that the lower end of the bellows
Groove is arranged in the lower surface of flange, and the second sealing ring, second sealing ring and groove inner surface and company are arranged in the groove
The upper surface of acting flange is in close contact.
3. high vacuum high/low temperature vibration testing device according to claim 1, which is characterized in that the holder and connection method
Blue inner wall is equipped with gap.
4. high vacuum high/low temperature vibration testing device according to claim 1, which is characterized in that the shake table fixation is set
It is placed on ground, the vacuum experiment babinet is supported by babinet and connect with ground.
5. high vacuum high/low temperature vibration testing device according to claim 1, which is characterized in that the work stage passes through spiral shell
Nail is fixedly connected with the top of holder, and the bottom end of the holder is fixedly connected with round doily, and the round doily is fixed with shake table
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721901452.2U CN207662586U (en) | 2017-12-29 | 2017-12-29 | High vacuum high/low temperature vibration testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721901452.2U CN207662586U (en) | 2017-12-29 | 2017-12-29 | High vacuum high/low temperature vibration testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207662586U true CN207662586U (en) | 2018-07-27 |
Family
ID=62944627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721901452.2U Active CN207662586U (en) | 2017-12-29 | 2017-12-29 | High vacuum high/low temperature vibration testing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN207662586U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827735A (en) * | 2019-04-02 | 2019-05-31 | 湘潭大学 | A kind of high-temperature vibrating analog machine |
| CN111751067A (en) * | 2020-05-29 | 2020-10-09 | 重庆银河试验仪器有限公司 | Three combined test case length test piece vibration test structure |
| CN113155391A (en) * | 2020-12-18 | 2021-07-23 | 泉州装备制造研究所 | Comprehensive environment simulation test machine |
| CN114383797A (en) * | 2021-12-16 | 2022-04-22 | 北京航天希尔测试技术有限公司 | Temperature, humidity, height and vibration integrated environment sealing system |
| CN116222950A (en) * | 2023-05-04 | 2023-06-06 | 中国空气动力研究与发展中心高速空气动力研究所 | Dynamic test platform for verifying reliability of low-temperature model |
-
2017
- 2017-12-29 CN CN201721901452.2U patent/CN207662586U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827735A (en) * | 2019-04-02 | 2019-05-31 | 湘潭大学 | A kind of high-temperature vibrating analog machine |
| CN111751067A (en) * | 2020-05-29 | 2020-10-09 | 重庆银河试验仪器有限公司 | Three combined test case length test piece vibration test structure |
| CN113155391A (en) * | 2020-12-18 | 2021-07-23 | 泉州装备制造研究所 | Comprehensive environment simulation test machine |
| CN114383797A (en) * | 2021-12-16 | 2022-04-22 | 北京航天希尔测试技术有限公司 | Temperature, humidity, height and vibration integrated environment sealing system |
| CN114383797B (en) * | 2021-12-16 | 2024-04-09 | 北京航天希尔测试技术有限公司 | Four comprehensive environment sealing systems of warm, wet, high and vibration |
| CN116222950A (en) * | 2023-05-04 | 2023-06-06 | 中国空气动力研究与发展中心高速空气动力研究所 | Dynamic test platform for verifying reliability of low-temperature model |
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