CN104594769A - Device and method for mounting high noise resistance quartz window under high temperature environment - Google Patents
Device and method for mounting high noise resistance quartz window under high temperature environment Download PDFInfo
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- CN104594769A CN104594769A CN201310527058.7A CN201310527058A CN104594769A CN 104594769 A CN104594769 A CN 104594769A CN 201310527058 A CN201310527058 A CN 201310527058A CN 104594769 A CN104594769 A CN 104594769A
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Abstract
The invention relates to the technical field of structural thermal noise composite environment tests, in particular to a device and method for mounting a high noise resistance quartz window under a high temperature environment. The mounting device comprises brackets (3), thermal insulation felt (4), metal shock pads (5), fastening bolts (6) and gland nuts (7). The brackets (3) are U-shaped groove components and are arranged on the upper side and the lower side of the window of a mounted object (1), and the two brackets (3) with opposite openings are mounted to be used for constraining the quartz window (2). The thermal insulation felt (4) is arranged between the quartz window (2) and the brackets (3) in a cushioned mode. In the horizontal direction, the metal shock pads (5), the fastening bolts (6) and the gland nuts (7) are used for fixing the quartz window (2). By the adoption of the device and method, the mounting stress caused by thermal deformation of a traveling-wave tube can be relieved, meanwhile, stable pretightening force can be provided under the high temperature environment, and the integrity of the thermal noise test system is guaranteed.
Description
Technical field
The present invention relates to a kind of structure thermal noise combined environment testing technical field, be specifically related to the quartz window of resistance to very noisy erecting device and mounting method under a kind of hot environment.
Background technology
The thermal protection structure, engine suction road etc. of aircraft, in optimal design and Performance Assessment, all need to carry out a large amount of thermal noise combinational environment demonstration tests.Thermal noise test device is the combining form adopting pharoid and travelling-wave tubes system at present more.Due in practical flight process, acoustic loads and Thermal Load are in Flight Vehicle Structure same surface, therefore, in order to realize applying while flight structure surface homonymy thermal force and acoustic loads, it is a kind of feasible solution that pharoid is heated testpieces through travelling-wave tubes.For reaching this target, needing suprasil window to be installed with transmitted radiation energy in travelling-wave tubes nearly heater side, also playing the effect maintaining travelling-wave tubes shape simultaneously.
Due to travelling-wave tubes many employings metal material, pharoid produces serious heat effect by travelling-wave tubes, makes travelling-wave tubes produce thermal deformation, and then produces destruction to fragility quartz glass.The acoustic loads of high-magnitude also can produce fatigue failure to quartz window simultaneously.Therefore how on travelling-wave tubes, to install quartz window, make it high temperature resistant, while anti-very noisy, maintenance is the key issue of thermal noise systems face to the sealing of travelling-wave tubes.
Also there is no good quartz window erecting device at present.
Summary of the invention
The object of the invention is to the problem for prior art, the quartz window of resistance to very noisy erecting device and mounting method under a kind of hot environment are provided.
Realize the technical scheme of the object of the invention:
The quartz window of resistance to very noisy erecting device under a kind of hot environment, for installing quartz window on mounting object, it is characterized in that, described erecting device comprises: bracket, heat insulation felt, metal beam, fastening bolt and clamp nut; Bracket is U-type groove shaped element, and in the both sides up and down of the window of mounting object, opening relatively installs 2 brackets, for retraining quartz window; Heat insulation felt pan is placed between quartz window and bracket; In the horizontal direction, use metal beam, fastening bolt and clamp nut are fixed for quartz window; Fastening bolt is arranged in the screwed hole of bracket, and fastening bolt stretches out from screwed hole, stretches to quartz window, and fastening bolt screws in clamp nut; Metal beam is circulus, and fastening bolt stretches into wherein, and metal beam side contacts with quartz window, and opposite side contacts with clamp nut.
Under hot environment as above, the quartz window of resistance to very noisy erecting device, is characterized in that, described heat insulation felt is the pad adopting ceramic fibre processing.
Under hot environment as above, the quartz window of resistance to very noisy erecting device, is characterized in that, described metal beam is obtained through coiling processing by refractory metal material.
The quartz window of resistance to very noisy mounting method under the present invention or a kind of hot environment, uses the quartz window of resistance to very noisy erecting device under hot environment as above, wherein, comprises following steps:
Step 1,2 brackets are welded on respectively the upper and lower sides of mounting object quartz window installation position, wherein upside U-type groove is inverted, and forms quartz window slot with downside U-type groove;
Step 2, quartz window to be inserted along the length direction of described bracket U-type groove from the side, simultaneously place mat heat insulation felt respectively between quartz window and U-type groove;
Step 3, metal beam and clamp nut are placed in U-type groove, fastening bolt are arranged in the screwed hole of bracket simultaneously, and screw in clamp nut; Fastening bolt does not contact quartz window and can stretch in the ring of metal beam simultaneously;
After step 4, fastening bolt tighten together with bracket, regulate clamp nut, pretightning force is applied to metal beam, and quartz window and mounting object are pressed together.
Effect of the present invention there are provided a kind of the quartz window erecting device and the mounting method that can be used in travelling-wave tubes thermal noise pilot system, both the mount stress that travelling-wave tubes thermal deformation causes can have been alleviated, also can provide stable pretightning force in high temperature environments simultaneously, ensure the integrality of thermal noise pilot system.
Form quartz window mounting groove by U-shaped bracket, maintain the integrality of quartz window, prevent quartz window perforate from causing stress raisers; Adopt refractory metal beam, stable pretightning force can be applied to quartz window, keep travelling-wave tubes shape complete, also there is the effect slowing down noise and vibration, the thermal deformation of buffering travelling-wave tubes, reach the object of high temperature resistant, resistance to very noisy.The invention solves the installation question of quartz window under high temperature, strong noise environment in thermal noise pilot system, for carrying out of thermal noise test provides precondition.
Accompanying drawing explanation
Fig. 1 is schematic cross-section of the present invention;
Fig. 2 is that the present invention assembles schematic diagram;
Fig. 3 use embodiment of the present invention schematic diagram.
In figure, 1-travelling-wave tubes; 2-quartz window; 3-bracket; 4-quartz fiber cloth; 5-metal beam; 6-fastening bolt; 7-clamp nut; 8-heater; 9-testpieces, 10-quartz window system.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
The invention provides a kind of quartz window erecting device for structure thermal noise pilot system, its erecting device as shown in Figure 1, for installing quartz window 2 on travelling-wave tubes 1, mainly comprise: bracket 3, heat insulation felt 4, metal beam 5, fastening bolt 6 and clamp nut 7.Travelling-wave tubes 1 is conventional noise generating device, opens a window install for quartz window in quartz window installation position, and quartz window 2 be the rectangular glass adopting quartz making, and thickness of glass is about 20mm, size and travelling-wave tubes 1 windowing in the same size.Bracket 3 is two identical U-type groove, and width is about 60mm, and material is consistent with travelling-wave tubes, and each bracket has five equally spaced screwed holes.
Heat insulation felt 4 is the pad adopting ceramic fibre processing, to have under high temperature resistant, high temperature the features such as non-volatile thing.Metal beam 5 is circulus, adopts refractory metal material, such as high-temperature steel etc., through coiling processing, namely uses filamentary material to carry out coiling, obtains the structure of spring shape, make it can at high temperature keep good elasticity.
When installing, first two brackets 3 are welded on respectively the upper and lower sides of travelling-wave tubes 1 quartz window installation position, wherein upside U-type groove is inverted, and forms quartz window slot with downside U-type groove type.Quartz window 2 is inserted in mounting groove along U-type groove length direction from the side, simultaneously difference place mat heat insulation felt 4 between quartz window and U-type groove.Metal beam 5 and clamp nut 7 are placed in U-type groove, fastening bolt 6 are arranged in the screwed hole of bracket 3 simultaneously, and screw in clamp nut 7, bolt length with in the ring not contacting quartz window and can stretch into metal beam 5 simultaneously for most preferably.After fastening bolt 6 tightens together with bracket 3, regulate clamp nut 7, pretightning force is applied to metal beam 5, and quartz window 2 and travelling-wave tubes 1 are pressed together.Same method is utilized to complete the installation of other compression point.Quartz window system after having assembled as shown in Figure 2.
Application implementation such as Fig. 3 of the present invention, the quartz window system 10 utilizing the present invention to form, can the radiant energy of preferably transmission heater system 8, realize the high-temperature heating to testpieces 9, simultaneously quartz window also can keep good with travelling-wave tubes 1 and contacts, ensure the sound field quality of travelling-wave tubes noise, for carrying out of thermal noise test provides precondition.
It is to be noted and any distortion made according to the specific embodiment of the present invention all do not depart from the protection domain of spirit of the present invention and claim.
Above embodiments of the invention are explained in detail.Obviously, above-mentioned embodiment is only optimum embodiment of the present invention, but the present invention is not limited to above-described embodiment.In the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.If these amendments and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (4)
1. the quartz window of a resistance to very noisy erecting device under hot environment, for installing quartz window (2) on mounting object (1), is characterized in that, described erecting device comprises: bracket (3), heat insulation felt (4), metal beam (5), fastening bolt (6) and clamp nut (7); Bracket (3) is U-type groove shaped element, and in the both sides up and down of the window of mounting object (1), opening relatively installs 2 brackets (3), for retraining quartz window (2); Heat insulation felt (4) pad is placed between quartz window (2) and bracket (3); In the horizontal direction, use metal beam (5), fastening bolt (6) and clamp nut (7) are fixed for quartz window (2); Fastening bolt (6) is arranged in the screwed hole of bracket (3), and fastening bolt (6) stretches out from screwed hole, stretches to quartz window (2), and fastening bolt (6) screws in clamp nut (7); Metal beam (5) is circulus, and fastening bolt (6) stretches into wherein, and metal beam (5) side contacts with quartz window (2), and opposite side contacts with clamp nut (7).
2. the quartz window of resistance to very noisy erecting device under hot environment as claimed in claim 1, is characterized in that, described heat insulation felt (4) is the pad adopting ceramic fibre processing.
3. the quartz window of resistance to very noisy erecting device under hot environment as claimed in claim 2, is characterized in that, described metal beam (5) is obtained through coiling processing by refractory metal material.
4. the quartz window of a resistance to very noisy mounting method under hot environment, uses the quartz window of resistance to very noisy erecting device under hot environment as claimed in claim 1, it is characterized in that, comprise following steps:
Step 1,2 brackets (3) are welded on respectively the upper and lower sides of mounting object (1) quartz window installation position, wherein upside U-type groove is inverted, and forms quartz window slot with downside U-type groove;
Step 2, quartz window (2) to be inserted along the length direction of described bracket (3) U-type groove from the side, simultaneously place mat heat insulation felt (4) respectively between quartz window (2) and U-type groove;
Step 3, metal beam (5) and clamp nut (7) are placed in U-type groove, fastening bolt (6) are arranged in the screwed hole of bracket (3) simultaneously, and screw in clamp nut (7); Fastening bolt (6) does not contact quartz window and can stretch in the ring of metal beam (5) simultaneously;
After step 4, fastening bolt (6) tighten together with bracket (3), regulate clamp nut (7), pretightning force is applied to metal beam (5), and quartz window (2) and mounting object (1) are pressed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310527058.7A CN104594769B (en) | 2013-10-30 | 2013-10-30 | The quartz window of resistance to very noisy erecting device and installation method under a kind of hot environment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310527058.7A CN104594769B (en) | 2013-10-30 | 2013-10-30 | The quartz window of resistance to very noisy erecting device and installation method under a kind of hot environment |
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| CN104594769A true CN104594769A (en) | 2015-05-06 |
| CN104594769B CN104594769B (en) | 2016-06-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416609A (en) * | 2015-12-08 | 2016-03-23 | 中国飞机强度研究所 | Multi-field coupling testing system and method |
| CN106122198A (en) * | 2016-07-27 | 2016-11-16 | 江西洪都航空工业集团有限责任公司 | A kind of method of attachment with thermal compensation function |
| CN106628243A (en) * | 2016-08-24 | 2017-05-10 | 北京卫星环境工程研究所 | Thermal noise test system heating window based on travelling wave tube |
| CN109629401A (en) * | 2019-01-15 | 2019-04-16 | 洛阳城市建设勘察设计院有限公司 | A kind of novel and multifunctional overpass sound arrester and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105416609A (en) * | 2015-12-08 | 2016-03-23 | 中国飞机强度研究所 | Multi-field coupling testing system and method |
| CN106122198A (en) * | 2016-07-27 | 2016-11-16 | 江西洪都航空工业集团有限责任公司 | A kind of method of attachment with thermal compensation function |
| CN106628243A (en) * | 2016-08-24 | 2017-05-10 | 北京卫星环境工程研究所 | Thermal noise test system heating window based on travelling wave tube |
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| CN109629401A (en) * | 2019-01-15 | 2019-04-16 | 洛阳城市建设勘察设计院有限公司 | A kind of novel and multifunctional overpass sound arrester and method |
| CN109629401B (en) * | 2019-01-15 | 2020-06-19 | 洛阳城市建设勘察设计院有限公司 | Multifunctional viaduct sound insulation device and method |
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| CN104594769B (en) | 2016-06-29 |
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